Weil-McLain Boiler - Manual (Page 5)

 Part Number 550-110-646/0607
Universal control systems — Control supplement
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 prop-
erty damage.
Control installation
EG-30 through EG-75 water boilers without tankless heaters
1. Mount and wire controls per wiring diagram, page , and Figure 1.
a. Attach junction box inside left jacket panel with #8- x ½” machine screws
provided.
b. Install transformer with plug-in relay receptacle and relay.
c. Operating and limit circuit wiring must be 18 gauge or heavier.
. Bring supply wiring to boiler. Must be 1 gauge or heavier.
. Proceed to page 0.
Figure 1 EG-30 through EG-75 water boilers without tankless heaters