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EGH-85 & 95 Series 4
PFG-6 & 7 Series 6 & 7
Control Supplement
Standing Pilot Boilers
Controls must only be installed by a Weil-McLain distributor or other
qualified installer/service technician in accordance with this Supplement and
all applicable codes and requirements of the authority having jurisdiction.
Read this Control Supplement completely before beginning the installation.
If the information in this Supplement is not followed exactly, a fire, explosion,
carbon monoxide emission or other
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Please read this page first! Hazard definitions The following defined terms are used throughout these instructions to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. Indicates presence of hazards that will cause severe personal injury, death or substantial property damage. Indicates presence of hazards that can cause severe personal injury, death or substantial proper
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Control Supplement — Standing Pilot Boilers Table of contents Hazard definitions and Note to the installer ....................................................................................2 Control installation — EGH-85 & 95 water boilers........................................................................ 4-5 Control installation — PFG-6 & 7 water boilers ............................................................................ 6-7 Control installation — EGH-85 & 95 steam boilers with
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Control installation — EGH-85 & 95 water boilers Part Number 550-110-031/0605 4
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Control Supplement — Standing Pilot Boilers Control installation — EGH-85 & 95 water boilers For your safety, turn off electrical power supply and turn off external gas supply valve before attempting to work on the boiler. Failure to comply can cause severe personal injury, death or substantial property damage. 1. Mount and wire controls per wiring diagram, page Figure 1 4, and Figure 1. a. Attach junction box inside left jacket panel with #8-32 x ½" machine screws and green ground nuts provided
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Control installation — PFG-6 & 7 water boilers Part Number 550-110-031/0605 6
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Control Supplement — Standing Pilot Boilers Control installation — PFG-6 & 7 water boilers For your safety, turn off electrical power supply and turn off external gas supply valve before attempting to work on the boiler. Failure to comply can cause severe personal injury, death or substantial property damage. 1. Mount and wire controls per wiring diagram, page Figure 2 6, and Figure 2. 2. Operating and limit circuit wiring must be 18 gauge or heavier (as supplied with the boiler). 3. Bring suppl
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Control installation — EGH-85 & 95 steam boilers Part Number 550-110-031/0605 8
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Control Supplement — Standing Pilot Boilers with probe-type low water cutoff For your safety, turn off electrical power supply and turn off external gas supply valve before attempting to work on the boiler. Failure to comply can cause severe personal injury, death or substantial property damage. 1. Mount and wire controls per wiring diagram, page Figure 3 8, and Figure 3. a. Attach junction box inside left jacket panel with #8-32 x ½" machine screws and green ground nuts provided. b. Install tra
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Control installation — EGH-85 & 95 steam boilers Part Number 550-110-031/0605 10
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Control Supplement — Standing Pilot Boilers with float-type low water cutoff For your safety, turn off electrical power supply and turn off external gas supply valve before attempting to work on the boiler. Failure to comply can cause severe personal injury, death or substantial property damage. 1. Mount and wire controls per wiring diagram, page Figure 4 10, and Figure 4. a. Attach junction box inside left jacket panel with #8-32 x ½" machine screws and green ground nuts provided. b. Install tr
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Lighting instructions — Robertshaw 7000ERHC FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot, which must be lighted C. Use only your hand to depress or turn the gas control knob. Never use by hand. When lighting the pilot, follow these tools. If the selector arm will not depress or move by hand,
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Control Supplement — Standing Pilot Boilers Troubleshooting have checked the thermopile per step 1 above, Verify proper operation after servicing replace the thermopile lead wire assembly. Never jumper (bypass) any device except for momentary f. If reading on TOP thermopile lead wire is around testing as outlined in troubleshooting chart below. 400 millivolts, move the multimeter alligator clip Substantial property damage and/or severe personal to the BOTTOM thermopile lead wire terminal injury
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Troubleshooting continued Chart 1: Boiler will not fire — water boilers without tankless Is damper harness securely plugged in at both ends? Secure connections. No Yes Check for loose wire connections or bad relay on Is 24VAC present across transformer terminals C & Y? transformer. No Yes Check for open thermostat, LWCO, high limit, spill switch or rollout thermal fuse element contacts or check for loose Is 24VAC present across transformer terminal
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Control Supplement — Standing Pilot Boilers Troubleshooting continued Chart 2: Boiler will not fire — water boilers with tankless Is damper harness securely plugged in at both ends? Secure connections. No Yes Is 24VAC present across combination control terminals V Check for loose wire connections or bad combination 2 & Z? control. No Yes Check for open thermostat, LWCO, high limit, spill switch or rollout thermal fuse element contacts or check for loose Is 24VAC present across transformer termin
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EGH-85 & 95 Series 4 and PFG-6 & 7 Series 6 & 7 Parts Part Number 550-110-031/0605 16
