Sheet 1597-2 Page 4
Filter • Inspect the filter at least once a year. • Replace the filter if the pressure between ports A and B is more than 4"wc. • Replace the filter if the pressure between ports A and B is more than twice as high as the first installation inspection. Filter Change • Remove the regulator. • Follow the mounting instructions in reverse order.
Protective Cap Aluminum Cap Adjustment Spindel
Spring
Port B
Port A
Strainer Filter Insert Support Ring
• Remove the support ring. • Remove the filter insert. • Insert a new filter insert. • Press in the support ring.
Regulator
Filter
designation
Part Number
• Install regulator in the gas line. • Follow the mounting instructions. • Perform a function and leak test.
R690 - 2910 R690 - 2905
R690-2970 R690-2972
DIMENSIONS & FLANGES
Size G ¼ " ISO connection
E
D
C
F
A B
H
G
dimensions in inches
Flange
NPT
part number
pipe size
A
B
C
D
E
F
G
H
lb
R690-2910 R690-2905
35⁄8 47⁄8
59⁄16
15⁄16
6 9 /
711⁄16
311⁄16 415⁄16
41⁄8
5 ½ 65⁄8
2.0 3.5
R947-3100 R947-3102 R947-3104 R947-3106 R947-3108 R947-3110
½ " ¾"
1
7 9 /
1 ¾
67⁄8
9 ¼
55⁄16
16
1"
1 ¼" 1 ½"
2"
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL .
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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