Fire Chief FC2500 Furnace Operator Manual

Installation and operating instructions for the FC2500 WOOD FURNACES (SF00206 models)

HY-C Company 10950 Linpage Place St. Louis, MO 63132

After-sale service: 1-8 33-612-7860 E-mail: tech@sbi-international.com

WRITE THE SERIAL NUMBER HERE:

Verified and tested for Canada and the United States by an accredited laboratory

Please keep this document! This manual is available for free download on the manufacturer’s web site. It is a copyrighted document. Re-sale is strictly prohibited. The manufacturer may update this manual from time to time and cannot be responsible for problems, injuries, or damages arising out of the use of information contained in any manual obtained from unauthorized sources. READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLING AND OPERATING YOUR FURNACE.

46454A 2026-08-11

FC2500 Furnace Installation and Operation Manual

THANK YOU FOR CHOOSING THIS FIRE CHIEF WOOD FURNACE FIRE CHIEF takes pride in the quality and performance of all its products. We want to help you get maximum satisfaction as you use this product. In the pages that follow you will find general advice on wood heating, detailed instructions for safe and effective installation, and guidance on how to get the best performance from this furnace as you build and maintain fires and maintain your wood heating system. Congratulations on making a wise purchase. When this furnace is not properly installed, a house fire may result. To reduce the risk of fire, follow the installation instructions. Contact local building or fire officials about restrictions and installation inspection requirements in your area. Please read this entire manual before you install and use your new furnace. Failure to follow instructions may result in property damage, bodily injury, or even death. It is important that you follow the installations guidelines exactly. You may need to obtain a building permit for the installation of this furnace and the chimney that it is connected to. Consult your municipal building department or fire department before installation to determine the need to obtain one. We recommend that you also inform your home insurance company to find out if the installation will affect your policy.

REGISTER YOUR WARRANTY ONLINE To receive full warranty coverage, you will need to show evidence of the date you purchased your furnace. Keep your sales invoice. We also recommend that you register your warranty online at: https://www.hy-c.com/warranties

Registering your warranty online will help us to quickly track the information we need about your furnace.

Table of contents PART A – INSTALLATION ............................................................................6 INTRODUCTION ............................................................................................6 1 Regulations and safety warnings covering installation .......................7 1.1 Regulations covering furnace installation.................................................................... 7 1.2 Cautions and warnings covering installation ............................................................... 7 1.3 Cautions and warnings covering installation of your pipe connector........................... 8 2 Authorized and non-authorized configuration ......................................9 2.1 Authorized configurations in Canada and United States............................................. 9 2.2 Authorized configurations in United States only.......................................................... 9 2.3 Not approved for installation in series with another furnace...................................... 10 3 Setting up the unit and clearances ......................................................10 3.1 Unit location .............................................................................................................. 10 3.2 Certification label ...................................................................................................... 10 3.3 Clearances to combustible material .......................................................................... 11 4 The venting system...............................................................................15 4.1 The chimney ............................................................................................................. 15 4.2 The connector pipe ................................................................................................... 17 5 Hot air distribution and air return system ...........................................20 5.1 Hot air distribution plenum height according to ceiling height ................................... 20 5.2 Assembling the hot air distribution plenum (A and B). .............................................. 22 5.3 Installation of the assembled plenum on the furnace ................................................ 26 5.4 Configuration and restrictions of hot air distribution system ...................................... 27 5.5 Air return system and filter ........................................................................................ 31 6 Air Supply in Conventional Houses.....................................................32 7 Electrical connection and calibration of the draw ..............................34 7.1 Electrical connections ............................................................................................... 34 7.2 Furnace terminals identification ................................................................................ 36 7.3 Installation and connection of the “RTD” thermal probe............................................ 36 7.4 Thermostat installation .............................................................................................. 37 7.5 Blower technical Data ............................................................................................... 40 7.6 Draft Calibration ........................................................................................................ 40 8 Tool Holder Installation ........................................................................42 Appendix 1: Optional air filters (SFA0250, SFA0251)...............................43

FC2500 Furnace Installation and Operation Manual

Appendix 2: Optional air return adapter (SFA0252) .................................44 PART B – OPERATION, MAINTENANCE AND TROUBLESHOOTING .....45 8.1 How to prepare or buy good firewood ....................................................................... 45 9 Operating your furnace.........................................................................48 9.1 How it works.............................................................................................................. 48 9.2 How Reload Button Works ........................................................................................ 49 9.3 How to light and reload the furnace .......................................................................... 50 9.4 Your first fires............................................................................................................ 53 9.5 Lighting fires.............................................................................................................. 53 9.6 Maintaining wood fires .............................................................................................. 54 9.7 Additional fresh air supply ......................................................................................... 57 9.8 Ash drawer................................................................................................................ 58 9.9 Prolonged power outage ........................................................................................... 58 10 Maintaining your wood heating system...............................................59 10.1 Furnace maintenance ............................................................................................... 59 10.2 Chimney maintenance .............................................................................................. 69 10.3 Firebricks inspection ................................................................................................. 70 10.4 Smoke pipe inspection .............................................................................................. 70 10.5 Blower motor maintenance ....................................................................................... 70 11 Troubleshooting ....................................................................................71 11.1 Installation of secondary air tubes and baffle ............................................................ 72 12 Exploded diagram and parts list – FC2500..........................................73 PART C – FEATURES AND SAFETY .........................................................83 13 General information ..............................................................................83 13.1 Certification plate ...................................................................................................... 83 13.2 Appliance performance (1) ......................................................................................... 85 13.3 General Features ...................................................................................................... 86 13.4 The benefits of low emissions and high efficiency .................................................... 89 13.5 The SBI commitment to you and the environment .................................................... 89 14 Safety information.................................................................................90 14.1 Cautions and warnings ............................................................................................. 90 14.2 Smoke detector......................................................................................................... 91 FIRE CHIEF WARRANTY ............................................................................92

PART A – INSTALLATION INTRODUCTION

Your furnaces use the Dual Fire© technology with a two-stage electronic combustion control. Find peace of mind with a self-regulated combustion that allows easy ignition. Its automated air supply and self regulated systems synchronize with your thermostat to offer additional safety, optimize comfort and reduce emissions with minimal maintenance. This model meets the emissions limits of CSA B415.1-10 Standard and EPA 40CFR Part 60, subpart QQQQ (2020 limit). • We recommend that our woodburning hearth products be installed and serviced by professionals who are certified in the United States by NFI (National Fireplace Institute ® ) or in Canada by WETT (Wood Energy Technical Training) or in Quebec by APC (Association des Professionnels du Chauffage). BEFORE STARTING THE INSTALLATION, READ ALL THE INSTRUCTIONS BELOW AND MAKE SURE YOU UNDERSTAND THEM. (IF IN DOUBT, CONTACT OUR CUSTOMER SERVICE AT TECH@SBI-INTERNATIONAL.COM). FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN HAZARD TO YOUR SAFETY AND WILL AUTOMATICALLY VOID THE WARRANTY. Inspect the furnace to make sure that nothing has been damaged in the shipping. Pull out the tools from the flue pipe and/or exchangers and firebox of the furnace. IMPORTANT NOTE FOR, INSTALLATION OF A CENTRAL HEATING VENTILATION SYSTEM, IT IS HIGHLY RECOMMENDED TO CONSULT A HEATING SYSTEM VENTILATION SPECIALIST. N.B.: FIRE CHIEF IS NOT RESPONSIBLE FOR POOR APPLIANCE PERFORMANCES, DUE TO IMPROPER INSTALLATION OF EXHAUST SYSTEM OR DUCTING.

FC2500 Furnace Installation and Operation Manual

1 Regulations and safety warnings covering installation 1.1 Regulations covering furnace installation CAUTION FOLLOW LOCAL CODES (IF IN DOUBT, CONTACT YOUR LOCAL HEATING APPLIANCE RETAILER, YOUR MUNICIPALITY OR YOUR FIRE DEPARTMENT. Installation must be made in accordance with the following standards; Canada : CSA-B365 - Installation code for solid-fuel-burning appliances and equipment. CSA C22.1 - Canadian electrical code. United-States : NFPA 90B - Standard for the installation of warm air heating and air- • THE INFORMATION GIVEN ON THE CERTIFICATION LABEL AFFIXED TO THE APPLIANCE ALWAYS OVERRIDES THE INFORMATION PUBLISHED, IN ANY OTHER MEDIA (OWNER’S MANUAL, CATALOGUES, FLYERS, MAGAZINES AND/OR WEB SITES). • AIR DUCTS SERVING A GARAGE SHOULD NOT BE CONNECTED TO OTHER PARTS OF A HOUSE AND THE DUCTING SERVING A HOUSE SHOULD NOT BE CONNECTED TO A GARAGE. conditioning systems. NFPA 70 - National Electrical Code. 1.2 Cautions and warnings covering installation • MIXING OF CHIMNEY COMPONENTS FROM DIFFERENT SOURCES OR MODIFYING FURNACE COMPONENTS MAY RESULT IN HAZARDOUS CONDTIONS. WHERE ANY SUCH CHANGES ARE PLANNED, FIRE CHIEF SHOULD BE CONTACTED IN ADVANCE. • ANY MODIFICATION OF THE APPLIANCE THAT HAS NOT BEEN APPROVED IN WRITING BY THE TESTING AUTHORITY VIOLATES CSA B365 (CANADA), AND NFPA 90B (USA). • CONNECT THIS FURNACE ONLY TO A LISTED UL 103 HT OR ULC S629 FACTORY- BUILT CHIMNEY FOR USE WITH SOLID FUEL OR TO A LINED MASONRY CHIMNEY CONFORMING TO NATIONAL AND LOCAL BUILDING CODES. • IF REQUIRED, A SUPPLY OF COMBUSTION AIR SHALL BE PROVIDED TO THE ROOM OR SPACE. • DO NOT STORE NEAR WOOD FURNACE. RESPECT THE PRESCRIBED CLEARANCE BETWEEN COMBUSTIBLES AND HEAT. • DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE. • DO NOT INSTALL IN A MOBILE HOME. • DO NOT INSTALL IN ALCOVE.

1.3 Cautions and warnings covering installation of your pipe connector Please note that any high-efficiency wood heater like your furnace can accumulate gas and ignite suddenly, creating in rare occasions a burst that can put pressure on the system when it is released. This burst could be powerful enough to detach the pipe connector at the back of the unit if it is not properly secured, causing smoke to spill into the room. For this reason, IT IS CRUCIAL THAT YOUR PIPE CONNECTOR BE PROPERLY SECURED WITH AT LEAST 3 METAL SCREWS as indicated in the installation section. Furthermore, to prevent this rare situation from occurring, it is always recommended that you follow these simple loading rules: Hot ember bed (reload button light is ON or slowly blinking): 1. Make sure you do not have more than 4 inches (100 mm) of embers and ash accumulation at the bottom of the firebox. If so, increase the target temperature on the thermostat to burn the embers or remove ash when the unit has cooled down; 2. Empty your ash pan on a weekly basis to prevent the ash grate to plug; 3. Bring some hot embers to the front of the firebox before loading; 4. Load wood at the back of the firebox to leave approximately 4 to 5 inches (100 to 125 mm) of free space between the front of the firebox and the wood logs. Cold ember bed (reload button light is turned OFF). This condition indicates the furnace is cold and needs to be re-ignited: 1. Press the reload button; 2. Put crumbled sheets of paper and kindling on top of ash grate; 3. Put two logs in a North-South orientation, one on each side of the ash grate;

4. Crisscross additional logs on top of the first two logs; 5. Leave door ajar at a 45° angle from the closed position; 6. Wait for the paper and kindling ignition and close the door.

FC2500 Furnace Installation and Operation Manual

2 Authorized and non-authorized configuration 2.1 Authorized configurations in Canada and United States

The wood furnace is the only appliance connected to the hot air distribution duct system and air return duct system.

2.2 Authorized configurations in United States only Parallel add-on installation: - (A) represents the wood furnace. - (B) represents the gas, oil or electric existing furnace. - Power input (B) should be equal to or greater than (A) . - Each furnace must have its own air return duct system. - The highest clearances of

(A and B) and hot air distribution and air return ducts of must be respected. - Static pressure of (A) must be adjusted to 0.20 in. W.C. (50 Pa).

2.3 Not approved for installation in series with another furnace - The hot air duct (A) must not be installed in the air return of (B) . - The hot air duct (B) must not be installed in the air return of (A) .

3 Setting up the unit and clearances To reduce the risk of vibration, the furnace must be leveled in both directions and supported evenly to ensure stability. 3.1 Unit location The furnace must be installed in a location: - Where outside air supply will be sufficient for proper combustion, otherwise install the optional fresh air supply; - Where connector is as short as possible in order to minimize the use of 90 o elbows and horizontal lengths; - That ensure a proper installation and safe operation of the appliance; - Where the owner can ensure cleanliness of the room in the event of negative pressure or temporarily negative; - Where room to perform maintenance is sufficient and safe. 3.2 Certification label N.B.: THIS APPLIANCE MUST BE INSTALLED IN ACCORDANCE WITH THE INSTRUCTIONS ON THE CERTIFICATION LABEL APPLIED ON THE UNIT. Location: You will find the certification label on the back of the appliance. Information found on the certification label always overrides the information published in any other publication. Content of certification label: Model number, serial number, certification agency, Standards, clearances to combustible material, as well as the main safety cautions.

FC2500 Furnace Installation and Operation Manual

3.3 Clearances to combustible material The clearances shown in this section have been determined by safety tests under normal and even abnormal operating conditions according to procedures set out in standards CSA B366.1 (Canada) and UL 391 (USA). Respecting the minimum clearances is mandatory to prevent risk of fire.

3.3.1 Clearances with single wall pipe CANADA

USA

14.25" (362 mm) (from the back of the blower box)

A B C D E F G

18" (457 mm) 5" (127 mm)

1" (25 mm)

69" (175 cm) minimum

12’’ (305 mm) 5" (127 mm)

H¹

24" (610 mm) minimum

11" (279 mm)

¹ A minimum clearance to the left is required for maintenance or replacement of components, however, a larger clearance is suggested. 3.3.2 Clearances with double wall connector (The use of a single wall pipe assembly with a heat shield certified to 6 "combustible materials, can be used. Only in this case, the same clearances apply as with a certified double pipe.) CANADA USA A

6.75" (171 mm) (from the back of the blower box)

B¹

11.5" (292 mm)

C D E F G

5" (127 mm) 1" (25 mm)

69" (175 cm) minimum

12’’ (305 mm) 5" (127 mm)

H²

24" (610 mm) minimum

11" (279 mm) 11" (279 mm) ¹ Recommended clearance, otherwise use the clearance provided by the double wall black pipe manufacturer. ² A minimum clearance to the left is required for maintenance or replacement of components, however, a larger clearance is suggested.

FC2500 Furnace Installation and Operation Manual

3.3.3 Cold air return ductwork clearances The cold air return system can be connected to a new or to an existing cold air return ductwork. In both cases, the minimum clearance to combustible material is 0" (0 mm).

3.3.4 Floor protection - If the floor is made of non- combustible material, no floor protector is required. - If the floor is made of combustible material, a floor protector is required (see table below).

FLOOR PROTECTION*

CANADA

USA

A B C D E F

18" (457 mm) From door opening

16" (406 mm) From door opening

8" (203 mm) From door opening N/A (Canada only) N/A (Canada only) 2” (51 MM) - Note 2

N/A (USA only)

8" (203 mm)

8" (203 mm) – Note 1

N/A (USA only) 74’’ (1880 mm) 43 ¾’’ (1111 mm)

64’’ (1626 mm)

G 30 ¼’’ (769 mm) *Steel with a minimum thickness of 0.015" (0.38 mm) or ceramic tiles sealed together with grout. No protection is required if the unit is installed on a non-combustible floor (ex: concrete). Note 1: The floor protection at the back of the furnace is limited to the furnace’s required clearance (see (A) 3.3 Clearances to combustible material) if such clearance is smaller than 8" (203 mm). Note 2: Only required under the horizontal section of the connector. Must exceed each side of the connector pipe by at least 2" (51 mm).

FC2500 Furnace Installation and Operation Manual

4 The venting system

WARNING: DO NOT INSTALL A MANUAL DAMPER ON THIS FURNACE.

CAUTION: BEFORE THE CONNECTOR PIPES ARE INSTALLED, MAKE SURE THAT THE EXHAUST PIPE AND / OR THE EXCHANGERS OF THE FURNACE ARE FREE OF ALL ITEMS. 4.1 The chimney - The furnace must be connected to a factory-built metal chimney that complies with UL 103 HT (USA) or ULC S629 (Canada). o Strongly recommended inner diameter : 6" (152 mm). o A chimney having a diameter of 7" (178 mm) is permitted, if it allows the proper venting of combustion gases and that such application is verified and authorized by a qualified installer. Otherwise, the diameter of the flue must be reduced to 6" (152 mm) by the use of a stainless steel liner made for this purpose. 4.1.1 Factory-built metal chimneys To be suitable, a factory-built metal chimney also called “high temp” chimney, must comply

with UL 103 HT (USA) or ULC S629 (Canada). - Use only components intended for the brand and model of chimney you are using. - Never substitute parts from other chimney brands. - Never fabricate your own components. - The chimney must be a type suitable for solid fuel. - To be safe and effective, the chimney must be installed exactly in accordance with the manufacturer’s instructions.

Good system design Inside chimneys are preferred because even when no fire is burning, there is normally upward flow in the system.

Inferior system design Outside chimney may be a problem if there are long periods of inactivity or low fire temperatures. A cold chimney may down draft making start up difficult.

4.1.2 Masonry chimneys The furnace may also be connected to a masonry chimney, provided the chimney complies with the construction rules found in the building code enforced locally. - The chimney must have a clay liner.

- If the masonry chimney has a square or rectangular liner that is larger in cross sectional area than a round 6" (152 mm) flue, it should be relined with a suitably listed 6" (152 mm) stainless steel liner. - When passing through a combustible wall, the use of an insulated listed thimble is required. - If a stainless steel liner is installed, it is recommended to extend the liner 12" (305 mm) to 18" (457 mm) above the top of the masonry chimney to favor the draw.

FC2500 Furnace Installation and Operation Manual

4.1.3 Minimum chimney height The top of the chimney should be tall enough to be above the air turbulence caused when wind blows against the house and its roof. - The chimney must

extend at least 3 ft. (1 m) above the highest point of contact with the roof. - Extend at least 2 ft. (61 cm) higher than any roof line or obstacle within a horizontal distance of 10 ft. (3 m).

4.2 The connector pipe

o Recommended inner diameter: 6" (152 mm) • If an increaser must be used (max 6" (152 mm) to 7" (178 mm)), it must be installed as close as possible to the chimney. 4.2.1 Best practices and requirements of the installation code o Where passage through a wall or partition of combustible construction is desired, the installation shall conform to CAN/CSA-B365, Installation Code for Solid-Fuel- Burning Appliances and Equipment; o A flue pipe must never pass through a combustible floor or ceiling or through an attic, roof space, closet or concealed space; o Minimum upward slope towards the chimney: 1/4 in/ft. (20 mm/m); o The maximum horizontal run is 10’ (3 m). Do not count the starting elbow; o All flue pipe joints must be secured with three screws. Failure to secure them to each other may allow for separation and leaks;

CAUSES RESTRICTION

Proper installation

improper installation

o Maximum unsupported horizontal length: 3 feet (1 m); o Galvanized flue pipes must not be used because the coatings vaporize at high temperatures and release dangerous gases; o Flue pipes must be at least 24 gauge in thickness; o The chimney connector must be in good condition; o Flue pipe joints should overlap 1 1/4". (30 mm); o Straight up installations need to have either a connector where one end has no fastener or a telescopic/adjustable length; o Removal of the assembly for cleaning should not require that the furnace be moved; o The male ends of the sections must be oriented towards the appliance so that falling dust and condensation stay inside the pipe; o A straight flue pipe assembly offers the least restriction to gas flow and results in stronger draft. Straight assemblies also need less maintenance as there are is less restrictions from corners to collect creosote; o The use of 45° elbows is strongly recommended; o Elbow added resistance is equivalent to : a 90° elbow = 5’ (152 cm), a 45° elbow = 2.5’ (76 cm); o Never use more than two 90° elbows.

FC2500 Furnace Installation and Operation Manual

Use 45° elbows where possible, rather than 90° elbows.

Alternative installations with 90° elbow or tee.

5 Hot air distribution and air return system Your furnace is designed and equipped with a hot air distribution plenum that may receive 6 to 10, 6" (152 mm) diameter round ducts. The installer is responsible of the performance of the distribution ducts and the air return system. It will have a direct effect on the ability of the blower to distribute heat efficiently throughout the house. The number, size and length of the ducts of the distribution system and return air will vary depending on the configuration and characteristics of each house. N.B.: The furnace air jacket is not totally airtight. It is normal to detect some air leaks at the jacket’s joints. Components provided with the furnace to assemble the hot air distribution plenum:

10 start-off adapter (A)

4 block-off cap (B)

44 Type A #10 black screws (C)

25 #8 selt- taping black screws (D)

4 corners reinforcem ent ( E)

1 reload button sticker reminder (F)

5.1 Hot air distribution plenum height according to ceiling height Remember to take into account the 5" (127 mm) clearance to combustibles above the plenum.

5.1.1 Plenum’s minimum height (63 ½’’ (1613mm) from the furnace base) For a minimum ceiling height of 69" (1750 mm).

FC2500 Furnace Installation and Operation Manual

5.1.2 Adjustable height of the plenum When the ceiling height, measured from the floor, is lower than 78 1/4’’ (1990 mm), it will be possible to cut the plenum extension (A) of at most 10" (254 mm). The plenum extension (A) must therefore have a minimum height of 15 1/2'' (393 mm). Warning : The plenum extension (A) should not obstruct the openings for the hot air distribution of the plenum (B) . The shaded area represents the maximum cutting of plenum extension (A) .

5.1.3 Adjustable height of the plenum (A and B); without cutting 73 1/4" to 88" (1860 to 2240 mm). For ceiling height from 78 1/4" (1990 mm) to 93’’ (2362mm) and more.

5.2 Assembling the hot air distribution plenum (A and B). 5.2.1 Assembling the plenum extension (A) by means of 12 screws (C) and corner reinforcements (E)

FC2500 Furnace Installation and Operation Manual

5.2.2 Assembling the plenum (B) Insert the male end of each panel in the female part of the adjacent panel.

Secure the assembly by bending the two metal tabs in the center of each corner.

Install the cover on the part (B) of the assembly and secure it with 16 screws (C) .

FC2500 Furnace Installation and Operation Manual

5.2.3 Assembling the plenum extension (A) to the plenum (B) Slide plenum (B) over the plenum extension (A) to the extent determined in Section 5.1 .

Using 13 self-drilling screws (D) , secure the plenum (B) to the plenum extension (A) .

5.3 Installation of the assembled plenum on the furnace Identify the left side of the plenum, it is provided with holes for the installation of the “RTD” thermal probe.

Also, 5 holes are aligned with the fold of the top of the furnace on the left side and three holes on the other sides. This allows you to secure the plenum properly.

Install the assembly on the furnace, taking care to insert the 4 folds on top of the furnace inside the plenum.

Using 14 screws (C) , secure the plenum to the furnace.

FC2500 Furnace Installation and Operation Manual

Apply the reload button operation reminder sticker (G) on the front of the plenum. The sticker is provided with the owner’s manual kit.

5.4 Configuration and restrictions of hot air distribution system 5.4.1 Start-off plenum - The plenum can be adjusted from 63 1/2" (1610 mm) to 88" (2240 mm) depending on ceiling height. See Section 5.1: Hot air distribution plenum height according to ceiling height. - The plenum has a minimum height of 22 1/2" (571 mm) and a maximum height of 47’’ (1194mm) from the top of the furnace (X) . - The minimum clearance (C) between the top of the plenum and the ceiling is 5" (127 mm). - The ducts minimum clearance (D) to combustible materials is 1" (25 mm). - The minimum clearance (G) of the ducts to combustible materials is 1" (25 mm) along the length (F) 12" (305mm). - The ducts may pass through a combustible wall maintaining a clearance of 0" (0 mm) around ducts. - The minimum clearance of the register boot to combustible materials is 0" (0 mm).

5.4.2 Installing the start-off adapters After choosing your output configuration, do the following to install the start-off adapters. Warning: Use gloves to complete the following steps because the start-off adapters and caps can be sharp. 1- Position the start-off adapters in the selected distribution hole.

2- Fold each tab of the adapter from the inside of the plenum to immobilize the adapter on the plenum. 3- Repeat 2 steps above to install other adapters.

FC2500 Furnace Installation and Operation Manual

5.4.3 Minimum number of outlets and maximum lengths of ducts - A minimum of 6 start-off adapters must be installed on the start-off plenum. The location of the adapters has no impact on the distribution of air.

- Block the unused outlets with the block-off caps (B) and provided screws (D) . Insert the block-off under the plenum top.

FAVOUR THE USE OF RIGID DUCTS BECAUSE THERE ARE LESS RESTRICTIVE TO AIR FLOW. - The maximum run of a main duct is 35’ (10.7 m). It must be reduced from 6" (152 mm) to 5" (127 mm) after 20' (6.1 m) or reduce the main duct by 1" (25 mm) at every two secondary duct outputs. - The maximum length of all the main ducts is 180’ (54.9 m). - The maximum run of a secondary duct is 10’ (3 m). - The maximum length of all the secondary ducts is 100’ (30 m). - The finishing grill at the output of a secondary pipe must be made of metal. - Have a maximum of three secondary outputs per duct. Note: figure for illustrative purposes only

For proper static pressure and heat distribution; the total area of secondary duct outlets must be equal or slightly less than the total area of the outlets used on the distribution plenum (B) .

FC2500 Furnace Installation and Operation Manual

Example of surface calculation according to the number of outlets used in the plenum:

Total surface of plenum outlets used (in 2 )

Diameter of plenum outlet (in)

Surface of plenum outlet (in 2 )

Number of outlets on the plenum

6 170 The acceptable total area of secondary outlets would therefore be: 28 6

Surface of secondary outlet (in 2 )

Total surface of secondary outlets used (in 2 )

Diameter of secondary outlet (in)

Number of secondary outlets

4 5 6

12.5 19.5

9 1 1

112.5

19.5

The total area of the secondary outlets of this system would be acceptable because it is equal to or slightly less than the total area of the plenum outlets.

160

ACORDING TO THE NATIONAL BUILDING CODE, THE BTU/H PROVIDED BY AT REGISTER MUST NOT EXCEED 10,250 BTU/H (3kW) AND THE HOT AIR TEMPERATURE AT THE OUTLET OF A SECONDARY DUCT SHOULD NOT EXCEED 158 °F (70 °C). Once your hot air distribution system is installed, make sure to measure the static pressure in the start-off plenum. Adjust the opening at the end of each of distribution duct with a shutter until you get a minimum static pressure 0.2” W.C. (50 Pa) at the plenum. The recommended air velocity exiting the register should be between 500 and 750 feet per minute. ( Static Pressure Measurement: Drill a hole on the side of the plenum, directly above the furnace, ensuring it is centered both horizontally and vertically. Insert a measurement tube into the hole and connect it to a manometer to read the static pressure inside the plenum.) 5.5 Air return system and filter The installation of an optional air return system connected to the blower housing will improve the air circulation throughout the house (see Appendix 3: Optional Fresh air return adapter (SFA0252) ). The use of the air filter option is recommended. The filter option will significantly reduce dust circulation within the hot air duct and will prevent obstruction of the blower (see Appendix 2: Optional air filters (SFA0250, SFA0251) ). NOTE: TO ENSURE ADEQUATE STATIC PRESSURE, THE SYSTEM SHOULD BE BUILT IN A WAY THAT THE VOLUME OF COLD AIR RETURN IS AT LEAST EQUAL OR SLIGHTLY HIGHER THAN THE VOLUME OF THE HOT AIR DISTRIBUTION.

6 Air Supply in Conventional Houses The safest and most reliable supply of combustion air for a wood furnace is from the room in which it is installed. Room air is already preheated so it will not chill the fire, and its availability is not affected by wind pressures on the house. Unlike commonly expressed concerns, almost all tightly sealed new houses have enough natural leakage to provide a small amount of air needed by the furnace. The only case in which the furnace may not have adequate access to combustion air is if the operation of a powerful exhaust device (such as a kitchen range exhaust or air exchangers) causes the pressure in the house to become negative relative to outdoors.

If an air fresh air supply is installed through the wall of the house, its pressure can vary during windy weather. If there are changes in wood stove performance in windy weather, and particularly if smoke puffs from the furnace, the air duct should be disconnected from the stove to determine if it is the cause of the problem. In some windy conditions, negative pressure at the duct weather hood outside the house wall may draw hot exhaust gases from the furnace backwards through the duct to outdoors. Check the outdoor air duct for soot deposits when the full system is cleaned and inspected at least once each year. Additional combustion air can be provided following the following methods, provided that they satisfy chapter 4 of the CSA B365 standard for Canada : - Direct combustion air supply: Heating units requires specific certification to be connected directly with fresh air supply. Your furnace have been tested and is certified to be connected with direct combustion air.

FC2500 Furnace Installation and Operation Manual

The fresh air supply adapter can be mounted on either side of the unit (left or right) to allows you to choose the most convenient side. Component provided with the furnace for the installation of a fresh air supply

1 Fresh air supply adapter 5’’ (13 mm) (A)

1 Fresh air cover (B)

12 Type A #10 black screws (C)

- Indirect combustion air supply: o New combustion air can be brought into a pipe located within approximately 12" (305 mm) of the unit. If the pipe is too close to the furnace, it may interfere with its operation; o The recommended diameter of the outside air intake pipe is 5" (127 mm); o Mechanical ventilation system: if the house is equipped with a ventilation system (air exchanger or heat recovery), the ventilation system may provide sufficient auxiliary air to the furnace. Otherwise, the owner should be informed that the ventilation system may have to be rebalanced by a ventilation technician after the installation of the furnace.

7 Electrical connection and calibration of the draw The furnace is fully assembled at the factory and no electrical connection is required other than plugging the power cord into an outlet. 7.1 Electrical connections The following instructions do not replace those of the local code. Installation and verification of this appliance must be done by a qualified person. All wiring from the service panel to the heating unit must comply with the electrical code in force and all local regulations. It is recommended to feed the furnace with its own electrical circuit of 15 amps at 120 volts with a breaker (see wiring diagram). WARNING ONLY USE WIRES SUITABLE FOR 167 °F (75 °C) OR MORE.

FC2500 Furnace Installation and Operation Manual

7.1.1 Electrical Diagram

7.2 Furnace terminals identification The furnace is equipped with three terminal blocks located on the left rear of the furnace. They are identified by the following three letters: T, R and I. T : Thermostat

R : RTD (plenum thermal probe) I : Relais Interlock (parallel add-on)

7.3 Installation and connection of the “RTD” thermal probe IMPORTANT : The proper positioning of the “RTD” thermal probe is essential to the proper functioning of the furnace. Install it in the opening provided for this purpose on the start-off plenum. Install the RTD probe in the plenum extension . Secure the RTD probe with the two screws provided (C) . Connect the RTD probe to the furnace block terminal identified with a “R”.

Use the wire grommets (F) supplied with the manual to attach the wires from the RTD to the furnace. Depending on the height of your ceiling and the plenum adjustment, the clearance hole in the top of the plenum might create an air opening in the plenum. In this case, install the plate (A) provided with your plenum kit and secure it with 4 self-drilling screws (D) to seal the opening.

FC2500 Furnace Installation and Operation Manual

7.4 Thermostat installation Thermostat use will help you maintain a constant temperature throughout the house. A fixed wall mounted 24v thermostat is required. Note: Thermostat manufacturer’s instruction always overrides the information published in the following section. Thermostat location - Must be installed on an inside wall of the house;

- Where it will be the least affected by affected by air currents from a hot air outlet or cold outside walls; - Must be installed at a minimum of 55" (140 cm) above the floor; - Must be installed at a minimum of 15’ (4.57 m) from the furnace and must not receive radiation heat from the glass door. Thermostat wiring Before installing the thermostat, disconnect the furnace from the outlet. Use an 18 AWG 2 strand wire. The terminal block is located at the back on the left side of the furnace when facing it. It is identified with the letter “T”. Loosen the two screws in the middle of the terminal block and insert the wires in the terminal. Tighten the two screws. Open the thermostat housing and connect the wires following the manufacturer's instructions.

Example of thermostat wiring:

Connect one wire to "RH" and the other wire to "W". The red jumper can be left in place. For more information, refer to the manufacturer's instructions. This furnace may be installed in parallel as an add-on to an existing furnace in the USA only. Such an installation requires that the furnace’s controls be interlocked to prevent both furnaces from heating at maximum rate simultaneously. There are two ways to connect the existing thermostat to your device: 1- From the terminal of the existing furnace, connect 2 new wires (B) to the existing wire (A) and fix them to the terminal identified "I" (interlock) of the parallel Add-On furnace.

PARALLEL ADD-ON FURNACE

EXISTING FURNACE

FC2500 Furnace Installation and Operation Manual

2- From the thermostat connected to the existing furnace, connect 2 new wire (B) on the R and W terminals of your thermostat and fix them to the terminal identified "I" (interlock) of the parallel Add-On furnace.

PARALLEL ADD-ON FURNACE

EXISTING FURNACE

When the wood furnace receives the signal from the existing furnace thermostat calls for heat, combustion air controls will close slowly, the wood furnace burn rate will reduce to is minimum. After the existing furnace thermostat is satisfied, the wood furnace will return under the control of its own thermostat.

7.5 Blower technical Data The blower speed must conform to the recommendations of the Warm Air Heating and Air Conditioning National Association and should respect the static pressure ranges in the warm air plenum of the furnace .

TEMP VAR*.

STATIC PRESSURE

OPTIONAL FILTER

MODEL

(DIRECT DRIVE)

FLOW*

BTU/ H

INCH OF W.C. / Pa

VENT

MOT.

VIT.

(CFM)

(°F)

(WOOD)

(IN)

FC2500

DD-10

1/3

875

55 000

0,2 / 50

20" x 15" x 1"

Volts

Max Amps

Hertz

120 60 * These values may vary depending on installation, fuel, static pressure and use. 7.6 Draft Calibration The draft: The measurement is taken in the exhaust pipe 18" (457 mm) above the furnace's flue collar with a tube and a pressure gauge (manometer). - Poor : -0.03" W.C. (7.5 Pa) and under : ignition problems, risk of smoke spillage, low performance of heat exchangers. - Ideal : from -0.04" to -0.06" W.C. (10 to 15 Pa) : to obtain the optimum performance of the furnace. o A barometric draft control is not required. - Excessive : -0.08" W.C. (20 Pa) : WARNING 5 This leads to premature wear of the furnace, a situation that is not covered by warranty. o A draft greater than -0.08" W.C. (20 Pa) leads to uncontrollable fire even if the air control is in closed position. o The self-regulating furnace control system reduces the risk of excessive draft. If necessary, a barometric control must be installed to control excessive draft. It must be adjusted to limit the maximum draft to -0.06 in W.C. (15 Pa).

FC2500 Furnace Installation and Operation Manual

7.6.1 The use of a stove thermometer The first use of a thermometer is to inform the user about the discharge temperature of flue gases. Without accurate measurement of the draft using a pressure gauge (manometer), the thermometer will indicate if the temperature is ideal, too low or too high. The use of e thermometer is therefore an acceptable alternative that can tell if the chimney is hot enough to generate an adequate draft.

- Use a magnetic thermometer for Single wall connector pipe. - Use a probe thermometer for Double wall connector pipe.

8 Tool Holder Installation Components supplied with the device for the installation of the holder:

Poker (D)

Type A #10 black screws (A)

Heat Exchanger Scraper (C)

Tool Holder (B)

The tool holder can be installed on the right side of the furnace ( 1 ) or on a wall ( 2 ) near your furnace. For installation on a wall, use two E screws appropriate for the material to which the holder will be attached.

FC2500 Furnace Installation and Operation Manual

Appendix 1: Optional air filters (SFA0250, SFA0251) The filter option (SFA0250 – cardboard frame or SFA0251 – washable aluminum) allows filtrating dirt before distribution warm air in your installation in addition of protecting your blower. This system can be installed on either sides of the blower box located behind the furnace on the most convenient of your installation. This option includes the filter, the filter holder, two caps and the screws necessary for the installation. Clean and replace filters as often as required. Note: The operation cost is higher and the overall efficiency is reduced when using a dirty filter.

1 filter holder

2 caps

1 filter (15" x 20" x 1")

WARNING: IT IS NOT RECOMMENDED TO OPERATE THE FURNACE WITHOUT FILTERS. THIS APPLIES ESPECIALLY TO TEMPORARY HEATING DURING CONSTRUCTION PERIOD. OPERATING THE FURNACE WITHOUT FILTERS WOULD ALLOW DUST AND OTHER PARTICLES IN THE AIR TO CIRCULATE FREELY AND TO

PENETRATE INTO THE BLOWER AND MOTOR CARTERS, CAUSING SOME DEFECTS. Appendix 2: Optional air return adapter (SFA0252) The optional air return adapter (SFA0252) can be added to the furnace blower box to increase the efficiency of your system. This option allows you to take in the fresh air from the rooms connected to the return system and bring it back towards the furnace to be heated. This option can be installed on either sides of the blower box. Complete installation instruction can be found in the instruction booklet provided when purchasing this option.

1 air return adapter

2 caps

1 filter

N.B.: TO ENSURE ADEQUATE STATIC PRESSURE, THE SYSTEM SHOULD BE BUILT IN A WAY THAT THE VOLUME OF COLD AIR RETURN IS AT LEAST EQUAL OR SLIGHTLY HIGHER THAN THE VOLUME OF THE HOT AIR DISTRIBUTION.

FC2500 Furnace Installation and Operation Manual

PART B – OPERATION, MAINTENANCE AND TROUBLESHOOTING 8.1 How to prepare or buy good firewood 8.1.1 What is good firewood? Good firewood has been cut to the correct length for the furnace, split to a range of sizes and stacked in the open until its moisture content is reduced to 15% to 20%. 8.1.2 Tree species The tree species the firewood is produced from is less important than its moisture content. The main difference in firewood from various tree species is the density of the wood. Hardwoods are denser than softwoods. People who live in the coldest regions of North America usually have only spruce, birch and poplar, other low-density species to burn and yet they can heat their homes successfully. Homeowners with access to both hardwood and softwood fuel sometimes use both types for different purposes. For example, softer woods make good fuel for relatively mild weather in spring and fall because they light quickly and produce less heat Softwoods are not as dense as hardwoods, so a given volume of wood contains less energy. Using softwoods avoids overheating the house, which can be a common problem with wood heating in moderate weather. Harder woods are best for colder winter weather when more heat and longer burn cycles are desirable. Note that hardwood trees like oak, maple, ash and beech are slower growing and longer lived than softer woods like poplar and birch. That makes hardwood trees more valuable. The advice that only hardwoods are good to burn is outdated. Old, leaky cast iron furnaces would not hold a fire overnight unless they were fed large pieces of hardwood. That is no longer true. You can successfully heat your home by using the less desirable tree species and give the forest a break at the same time. 8.1.3 Log length

Logs should be cut about 1" (25 mm) shorter than the firebox so they fit in easily. Pieces that are too long make loading the furnace very difficult. The most common standard length of firewood is 16" (406 mm). The pieces should be a consistent length, with a maximum of 1" (25 mm) variation from piece to piece.

8.1.4 Piece size Firewood dries more quickly when it is split. Large unsplit rounds can take years to dry enough to burn. Even when dried, unsplit logs are difficult to ignite because they don’t have the sharp edges where the flames first catch. Logs as small as 3 " (76 mm) should be split to encourage drying.

Wood should be split to a range of sizes, from about 3 " to 6 " (76 mm to 152 mm) in cross section. Having a range of sizes makes starting and rekindling fires much easier. Often, the firewood purchased from commercial suppliers is not split finely enough for convenient stoking. It is sometimes advisable to re-split the wood before stacking to dry. 8.1.5 How to dry firewood Firewood that is not dry enough to burn is the cause of most complaints about wood burning appliances. Continually burning green or unseasoned wood produces more creosote and involves lack of heat and dirty glass door. See Section 10: Maintaining your wood heating system for concerns about creosote.

FC2500 Furnace Installation and Operation Manual

Here are some things to consider in estimating drying time: • firewood takes a long time to dry • firewood bought from a dealer is rarely dry enough to burn, so it is advisable to buy the wood in spring and dry it yourself • drying happens faster in dry weather than in damp, maritime climates • drying happens faster in warm summer weather than in winter weather • small pieces dry more quickly than large pieces • split pieces dry more quickly than unsplit rounds • softwoods take less time to dry than hardwoods • softwoods like pine, spruce, and poplar/aspen can be dry enough to burn after being stacked in the open for only the summer months • hardwoods like oak, maple and ash can take one, or even two years to dry fully, especially if the pieces are big • firewood dries more quickly when stacked in the open where it is exposed to sun and wind; it takes much longer to dry when stacked in a woodshed • firewood that is ready to burn has a moisture content between15 and 20% by weight and will allow your furnace to produce its highest possible efficiency 8.1.6 Judging firewood moisture content You can find out if some firewood is dry enough to burn by using these guidelines: • Use the wood moisture meter provided with your furnace to test your firewood. Testing the middle of a freshly split piece of wood is the most accurate test point, • cracks form at the ends of logs as they dry, • as it dries in the sun, the wood turns from white or cream colored to grey or yellow, • bang two pieces of wood together; seasoned wood sounds hollow and wet wood sounds dull, • dry wood is much lighter in weight than wet wood, • split a piece, and if the fresh face feels warm and dry it is dry enough to burn; if it feels damp, it is too wet, • burn a piece; wet wood hisses and sizzles in the fire and dry wood does not.

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