Original User Manual – AREBOS Mini Heat Pump
16
Maintenance
1. You should check the water supply system regularly to avoid the air entering the system and
occurrence of low water flow, because it would reduce the performance and reliability of HP
unit.
2. Clean your pools and filtration system regularly to avoid the damage of the unit as a result of
the dirty of clogged filter.
3. You should discharge the water from bottom of water pump if HP unit will stop running for a
long time (especially during the winter season).
4. In another way, you should check the unit is water fully before the unit start to run again.
5. After the unit is conditioned for the winter season, it is recommended to cover the heat
pump with special winter heat pump.
6. When the unit is running, there is all the time a little water discharge under the unit
12 Service manual
WARNING!
Disposal, maintenance and repair work of the refrigerant circuit shall only be carried out in
accordance with the manufacturer's specifications and by persons who possess a
certificate of qualification.
1 Checks to the area
Prior to beginning work on systems containing flammable refrigerants or repairing to the
refrigerating system, safety checks are necessary to ensure that the risk of ignition is minimised.
2 Work procedure
Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas
or vapor being present while the work is being performed.
3 General work area
All maintenance staff and others working in the local area shall be instructed on the nature of work
being carried out. Work in confined spaces shall be avoided. The area around the workspace shall be
sectioned off. Ensure that the conditions within the area have been made
safe by control of flammable material.
4 Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant detector prior to and during work, to
ensure the technician is aware of potentially toxic or flammable atmospheres. Ensure that the leak
detection equipment being used is suitable for use with all applicable refrigerants, i.e. non-sparking,
adequately sealed or intrinsically safe.
5 Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration equipment or any associated parts,
appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO2 fire
extinguisher adjacent to the charging area.
6 No ignition sources
No person carrying out work in relation to a refrigeration system which involves exposing any pipe
work shall use any sources of ignition in such a manner that it may lead to the risk of fire or
explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far
away from the site of installation, repairing, removing and disposal, during which refrigerant can
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