9
R
2. Each part connected to unit needs to be connected with method of loose joint and
installed with intermediate valve.
3. Ensure that all plumbing has been properly completed and then proceed to do a water
leakage and pressure test.
4. All the pipelines and pipe fittings must be insulated to prevent heat loss.
5. Install a
pressure release valve
at the highest point of the system of heat preservation
tank, and it is
advised to be installed outside.
6. Install a drain valve at the lowest point of the system to enable the system to be drained
during
cleaning
.
7. In order to reduce the back pressure, the pipes should be installed horizontally.
8. And minimize the elbows (90 degrees connections).
Electrical Connections
WARNING
—Risk of electrical shock or electrocution.
Ensure that all high voltage circuits are disconnected before commencing heat
pump installation. Contact with these circuits could result in death or serious
injury to users, installers or others, due to electrical shock and may also cause
damage to property.
CAUTION
— Label all wires prior to disconnection when servicing the heat pump.
Wiring errors can cause improper and dangerous operation. Check and ensure proper
operation after servicing.
General Information
Wiring connections must be done according to the wiring diagram found on the inside of the
heat pump access panel or see addendum A.
The heat pump must be grounded / earthed. A ground
Terminal
is provided on the inside
of the
heat pump electrical compartment. (See Figure 3)
Single System Single Phase
(Figure 3)
