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WC-IOM-7 • Packaged Heat Pump 25
Installation
2. Provide proper grounding for the unit in accordance with local and national
codes.
Field Installed Control Wiring
An overall layout of the various control options available with the required
number of conductors for each control device is illustrated in Figure 8.
Note: All field wiring must conform to NEC guidelines as well as state and local
codes.
Control Power Transformer
The 24 volt control power transformers are to be used only with the accessories
called out in this manual. Transformers rated greater than 50 VA are equipped
with internal circuit breakers. If a circuit breaker trips, turn “Off” all power to the
unit before attempting to reset it.
ƽWARNING
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the power can not be
inadvertently energized. Failure to disconnect power before servicing could
result in death or serious injury.
Figure 10.