Weil-McLain 4 Series Manual page 5

Universal control systems — Control supplement
Control installation
EG-30 through EG-75 water boilers without tankless heaters
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.
Figure 1
EG-30 through EG-75 water boilers without tankless heaters
Part Number 550-110-646/0607
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.