2.6 Electrical connections
All electrical wiring to the boiler (including grounding) must conform to local electrical codes and/or the
National Electrical Code, ANS/NFPA No. 70 – latest edition, or the Canadian Electrical Code, C22.1 - Part
1. In addition, you should refer to the boiler's installation manual.
The air handling unit control board diagram below shows the various wiring connections such as the
thermostat, accessories, heat pump, and external pump.
Figure 21 Air handling unit electrical wiring diagram
To Next Page
Loading...
