Mains Power/Electrical Installation; Electrical Connections; How To Connect Main Power - ECO2 Systems SANCO2 GS4-45HPC-D Installation 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, HVAC or plumbing).

Electrical connections

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

How to Connect Main Power
Remove the terminal block cover (Philips head screwdriver required)

Remove the power box cover (Philips head screwdriver required).
Connect the power wiring to the terminal block per the wiring diagram/manual.

Connect the power wiring to the terminal block per the wiring diagram/manual.
Ensure ground wire is connected.
 Ensure ground wire is connected.
Secure the field power supply wiring below the terminal block with the screw
Secure the field power supply wiring below the terminal block with the screw clamp

fitting.
clamp fitting.
Re attach the terminal block cover to the heat pump unit.
Re attach the power box cover to the heat pump unit.

Sanden Heat Pump – Installation Manual
SANCO Heat Pump – Installation Manual
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