CONTROLLER MANUAL
1-18
CONTROLLER MANUAL – SFC/SFB SERIES BOILERS
WIRING THE CONTROLLER
Electrical wiring to the unit (including grounding) must conform to local electrical
codes and/or National Electrical Code, ANS/NFPA No. 70 – latest edition, or The
Canadian Electrical Code, C22.1 - Part 1.
If using an external electrical source, the unit, when installed, must be electrically
bonded to ground in accordance with the requirements of the authority having
jurisdiction or, in the absence of such requirements, with the National Electrical
Code, ANSI/NFPA 70, and/or the Canadian Electrical Code Part I, CSA C22.1,
Electrical Code.
Figure 3: Junction box schematic
120VAC LINE VOLTAGE HOOK-UP
Connect the unit to the grid power, using the supplied appliance plug in a
separate, fused circuit and on/off switch within sight of the unit.
The unit is equipped with 3 x 1/2” electrical knock-outs for control wiring located
behind the power supply terminal strip.
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