Maintenance and Service
28 Air-to-Water Heat Pump
Maintenance and Service
Maintenance Activities
In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and
the field wiring have to be carried out at regular intervals, preferably yearly. This maintenance should
be carried out by your local agreed technician.
Call the service immediately in the following situations
1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the
breaker off. Never try to repair by yourself or restart the system in such cases.
2. Main power cord is too hot or damaged.
3. Error code is generated by self diagnosis.
4. Water leaks from unit.
5. Any switch, breaker (safety, earth) or fuse fails to work properly.
User must carry routine checkup & cleaning to avoid unit’s poor performance.
In case of special situation, the job must be carried out by the only service person.
When the unit is not going....
• If the product is not used for long time, we strongly
recommend NOT TO SWITCH OFF THE POWER
SUPPLY
to the product.
• If power is not supplied, some special product-protecting
actions
(such as water pump anti-locking) will not performed.
• In the case of water with added brine, the drain valve of shut-off valve must be connected to a
recovery container.
• Do not touch the water stirred with the brine.
• When the brine in the pipe is leaked, do not operate the unit and contact dealer, seller or an
authorized service center.
