Connecting the outdoor and indoor units

The refrigerant circuit must be connected by a suitably qualified refrigeration engineer in conjunction with the installation manual supplied with the unit.

The electrical connections must be made by a qualified electrician using the latest IEE Wiring Regulations and the installation manual.

Only refrigerant grade copper pipe suitable for refrigerant R410A should be used. BS EN 12735-1:2001 copper and copper alloys. Seamless, round copper tubes for air conditioning and refrigeration. Tubes for piping systems.

Refrigerants

The Worcester Greensource air to air heat pump system uses R410A, a non-ozone depleting pre-charged refrigerant.