Air Source Heat Pump Water Heater
28
11
Commissioning
After
the main unit, water tank, wired controller, waterway system, fluorine
circulation system, and electrical wiring are installed, check the unit based on the
following checklist.
Table 11-1 Checklist for the installation
Check Item
Possible Symptoms Caused by
Improper Installation
Are the main unit and water tank
securely fastened?
The main unit and the water tank may
fall, or vibration or noise may be caused.
Are there any obstructions to the air
outlet and inlet of the main unit?
The unit does not work properly.
Is the connection pipe of the water tank
properly insulated?
Potential hazards may exist.
Are thermal insulation measures taken
on the waterway pipes?
The performance of the unit may be
affected or the pipes may be frozen and
damaged.
Is the power voltage consistent with the
voltage indicated in the nameplate?
The unit may become faulty or the parts
may be burnt.
Does the wire model comply with
specifications?
The unit may become faulty or the parts
may be burnt.
Is a safety check valve installed for
the water inlet pipe?
If the water tank bears high pressure,
safety hazards exist. The water may be
returned if water supply stops.
Is the tap water replenishment pressure
too high?
If the water tank bears high pressure, the
safety check valve discharges water and
abnormal noise is caused.
Is a pressure reduction valve installed
for the water inlet pipe when the water
replenishment pressure is too high?
If the water tank bears high pressure, the
safety check valve discharges water and
abnormal noise is caused.
Is the ground wire of the water tank
reliable?
Potential hazards may exist.
