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Weil-McLain SERIES 7 PFG - page 1
Part No. 550-110-643/0605 T o complete boiler installation, follow: • General Information 2 • Boiler Wiring 3-5 • V ent Damper Installation 6 • Check-out Procedur e 7 • Operating Instructions 8-10 For additional help, see: • T roubleshooting 11-15 • Parts List 16 Contr ols must onl y be installed by and Contr ol Supplement used by a q ...
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Weil-McLain SERIES 7 PFG - page 2
2 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 GENERAL INFORMA TION: PLEASE GIVE THE MODEL listed on the boiler rating label AND THE CP NUMBER found next to the rating label. The following dened terms are used throughout this manual. They bring attention to the presence of hazards of v ...
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Weil-McLain SERIES 7 PFG - page 3
3 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 Section A: Installation 1. Bring supply wiring to boiler. Must be 14 ga. or heavier. See pages listed below each Figure for appropriate wiring diagram. 2. Proceed to page 6. PFG 5 Boiler Figure 1, see page 4 PFG 6 thru 8 Boilers Figure 2, see ...
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Weil-McLain SERIES 7 PFG - page 4
4 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 PFG-5 ...
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Weil-McLain SERIES 7 PFG - page 5
5 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 PFG 6 thru 8 ...
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Weil-McLain SERIES 7 PFG - page 6
6 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 These boiler s mus t have vent damper s: • PFG 5 (U.S . onl y) These boiler s may have vent d ampers : • PFG 6-8 (U .S. o nly) • PFG 5-7 (C anadi an) These boiler s mus t not have v ent da mper: • PFG 8 (Can adian ) If not insta lling ...
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Weil-McLain SERIES 7 PFG - page 7
7 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 1. See Figure 5 for operating instructions page numbers. Raise room thermostat to call for heat. Damper actuator will slowly open damper (if provided). 2. When damper (if provided) is fully open, ignition control powers spark generator and op ...
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Weil-McLain SERIES 7 PFG - page 8
8 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 PFG-5 WITH HONEYWELL VR8204/VR8304 GAS V AL VE ...
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Weil-McLain SERIES 7 PFG - page 9
9 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 PFG-5 WITH WHITE-RODGERS 36C GAS V AL VE ...
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Weil-McLain SERIES 7 PFG - page 10
10 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 PFG 6-8 WITH ROBER TSHAW 7000 DERHC GAS V AL VE ...
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Weil-McLain SERIES 7 PFG - page 11
11 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 VERIFY PROPER OPERA TION AFTER SERVICING Nev er jumpe r (by pas s) any devi ce excep t for momentary testing as outlined in Troubleshooting Charts. Substantial property damage and/or severe personal injury could occur. Label all wires prior ...
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Weil-McLain SERIES 7 PFG - page 12
12 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 Check for open thermostat or circ. relay (where used) or check for loose wire connections, defective spill switch or rollout thermal fuse element, or open LWCO or limit c ontacts. If LWCO, spill sw itch or rollout thermal fuse element contac ...
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Weil-McLain SERIES 7 PFG - page 13
13 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 Check for open thermostat or circ. relay (where used) or check for loose wire connections, defective spill switch or rollout thermal fuse element, or open LWCO or hight limit contacts. If LWCO, spill switch or rollout thermal fuse element co ...
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Weil-McLain SERIES 7 PFG - page 14
14 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 T ABLE III: Pilot Lights, Main V alve Will Not Come On With or Without V ent Damper Correct wiring. Make sure sense wire is not wrapped around any pipe or accessories. Is sense wire securely attached to sense terminal and pilot assembly? No ...
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Weil-McLain SERIES 7 PFG - page 15
15 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 T ABLE IV: Spark is Present, Pilot Will Not Light With or Without V ent Damper Connect securely to T er minals PV and MV/PV on ignition control. Are pilot valve connections CORRECT and securely fastened? No Y es Open manual hand valve. Is ma ...
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Weil-McLain SERIES 7 PFG - page 16
16 PFG S erieS 7 G aS - Fired W a ter B oiler – U niverSal C ontrol S y StemS Part Number 550-110-643/0605 Section E: Parts **Not for use on Canadian PFG-8 boilers. Only dampers listed above are approved for use on and PFG Series 6 & 7 boilers. Any other damper installed can cause severe personal injury or death. Part Description V endor Part ...
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