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BOILER SYSTEMS AND OPERATION
CONTROLLER MANUAL – SFC/SFB SERIES BOILERS
REMOVING & WIRING THE
CONTROLLER
The unit ships with an optional eld-wiring junction box. This box provides wiring
connections for a space-heating pump, a DHW pump, and an outlet for unit
power. A certied harness from the wiring box connects to the movable controller
tray.
You do not require a junction box if: 1. the unit’s integral pump provides
adequate ow through the space-heating heat emitters and 2. there is no DHW
tank.
REMOVING THE CONTROLLER
The gure below shows you how to pull out the controller.
Figure 2: Pulling out the controller tray
Figure 1: Junction box
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