Mains Power/Electrical Installation; Electrical Connections; How To Connect Main Power - Sanden GS3-45HPA-US Owner's Manual

Mains Power/Electrical Installation


All Electrical Wiring should be done in accordance with the latest edition of the
National Electrical Code (NEC) and all local State/Province and Municipality codes.

The power requirement for the system is a dedicated 15 amp circuit fitted with a
circuit breaker. This circuit may be connected to constant power or off-peak power.

A local disconnect should be installed adjacent to the Heat Pump unit in
accordance to NEC and local codes.

Installation of this system must be carried out only by a qualified installation
technician (electrical or plumbing).

Electrical connections

 Breaker size and wiring must be sized per NEC rules for the rating plate amperage,
MCA and MOP or Max Circuit Breaker.
 Power Supply is 208/230V-1Ph-60Hz
 Verify that the tank unit is full of water and the
water shut off valves are open before turning on the
power.

How to connect Main Power


Remove the terminal block cover (Philips head screwdriver required)

Connect the power wiring to the terminal block per the wiring diagram/manual.

Ensure ground wire is connected.

Secure the power supply wiring below the terminal block with the screw clamp
fitting.

Attach the terminal block cover and piping cover back on the heat pump unit.
Sanden Heat Pump – Owner's Manual
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