Bulletin 8663B Page 2
8663B- Manifold
Pneumatic
Control
Reference Manifold Schematic
Logic
Valve
Designation
Description
Configuration
13-E
Both burners cycling
B,C,D, and E
MS13
Both burners in stop cycle Both burners in direct fire Either burner in direct fire with its twin in stop cycle Both burners in stop cycle Both burners in direct fire Either burner in direct fire with its twin in stop cycle Both burners cycling
13-P
A,B,C,D,E, and F
MS13
Manifold Schematic for 8663B- -E and -P
(MS12) Basic cycle control plus direct fi ring of both burners--burner 'A' fi ring, burner 'B' exhausting
(MS11) Basic cycle control-- burner 'A' fi ring, burner 'B' exhausting
A OPT. 'B'G 'B'E 'A'A 'A'G 'A'E OPT. F
Field piping by customer (typical)
Plugged
E
CACV ECV GCV 'A' GCV 'A' 'B' 'B'
'B'A 'A'E 'A'G 'A'A
GCV ECV CACV 'A' CACV 'A' 'A' 'B' 'B' 'B' GCV ECV
F
OPT.
B
C
C
Compressed air supply P
Compressed air supply
P
B
'B'A
A
OPT.
'B'E 'B'G
CACV
'B'
Muf fl er
Muf fl er
ECV 'A' Field piping by customer (typical)
Manifold port identi fi cation
Manifold port identi fi cation
LEGEND: A & F - Fuel Cycle Control Solenoid Valve B & E - Air Exhaust Cycle Control Solenoid Valve C & D - Cycle Permissive Solenoid Valve GCV - Gas Cycle Valve Actuator CACV - Combustion Air Cycle Valve Actuator ECV - Exhaust Cycle Valve Actuator Solid line indicates pressurized --------- Dashed line indicates venting 'A' & 'B' Letter in quotes indicates burner designation
(MS13) Basic cycle control plus direct fi ring either one or both burners--burner 'A' fi ring, burner 'B' exhausting
Field piping by customer (typical)
E
'A'E 'A'G 'A'A OPT.
GCV ECV 'A' CACV 'A' 'A'
F
D
Compressed air supply P
B
'B'A
Indicates energized solenoid valve Indicates de-energized solenoid valve Indicates piping connection
CACV GCV ECV
'B' 'B' 'B'
A
'B'E 'B'G OPT.
C
Muf fl er
OPT - Optional
Manifold port identi fi cation
For Dimensions, see Dimensions 8663B For Trouble-Shooting, see Trouble-Shooting 8663B For Installation, Operation, and Maintenance Instructions, see Installation 8663B For Recommended Spare Parts, see Spare Parts 8663B
WARNING: Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
CONTACT fna.sales@fivesgroup.com T +1 800 626 3477 - F +1 216 373 4237
Fives North American Combustion, Inc. 4455 East 71st Street - Cleveland, OH 44105 - USA www.fivesgroup.com
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