SAHP 130, Installation And Maintenance Instructions Manual

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SAHP - Installation Manual
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V3 June 2021US - SD667052
SECTION 11
REPLACEMENT
OF PARTS continued
10.2 Replacement of heat pump
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manufacturer the heat pump is beyond repair. Once this has
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under warranty’ forms that will be supplied by SAHP upon
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Heat Pump will subsequently be couriered to you.
The steps to replace the heat pump are outlined below.
10.3 Recover Refrigerant
R134a / 513a, as well as other refrigerants, should always be
recovered and never be released directly into the environment.
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gases.
(a) Collect the refrigerant using a refrigerant recovery unit
and recovery bottle. Use R134a / 513a refrigerant
recovery equipment, refrigerant recovery equipment for
other refrigerants may damage the equipment or the
unit.
(b) When carrying out the refrigerant collection on site, unit
operation is prohibited, ensure the unit is turned off at
the fused switch.
(c) Connect a recovery machine to the suction line service
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respective suction line and liquid line service valves to
facilitate removal of refrigerant within the evaporator
during recovery.
(d) Actuate recovery equipment to begin recovery of
refrigerant gas within the system. Continue to recover
refrigerant down to 0 psi. At this point cease operation
of the recovery refrigerant, do not create a vacuum
within the unit as this may damage the equipment or unit.
(e) Please note where recovery machines withdraw liquid
refrigerant and not vapor , the quantity recovered may
not match what the system was charged with.
(f) Remove recovery equipment and dispose of recovered
refrigerant appropriately.