Weil-McLain EGH-85 with float-typelow water cutoff, Checkout procedure, Anticipator settings

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

10, and Figure 4.		Figure 4
a.	Attach junction box inside left jacket panel with
	#8-32 x ½" machine screws and green ground
	nuts provided.
b.	Install transformer with plug-in relay receptacle
	and relay. In Canada, use chain and hook strain
	relief.
c.	Operating and limit circuit wiring must be 18
	gauge or heavier (as supplied with the boiler).

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

Anticipator settings

Water — 0.40 amps, single zone systems only. For multiple zones using zone valves or circulators, refer to component manufacturer’s instructions for application, wiring and thermostat heat anticipator setting.

Steam — 0.20 amps.

Checkout procedure

1.Follow all instructions in the boiler manual, including the Checkout procedure, before proceeding.

2.See page 12 for “Lighting instructions”. Raise room thermostat to call for heat.

3.Gas valve will open and main burners will ignite.

4.Lower thermostat setting. Main burner flames will go out.

5.Repeat steps 1 through 3 several times to verify operation.

6.Return thermostat to normal setting.

Part Number 550-110-031/0605 11