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PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
WINTERISING PROCEDURE
WARNING. Isolate machine before opening! As the heat pump
embodies electrical and rotational equipment, it is recommended for
your own safety that a competent person carries out the following
procedure
(Drain Down Procedure)
ALL MODELS
Objective
To provide frost protection
To eliminate corrosion problems
To inhibit electrical components
1.
Switch off electric supply to heat pump
2.
Remove external fuses and keep in safe place away from heat
pump to prevent accidental operation of heat pump.
3.
Ensure water circulation pump is switched off.
4.
Drain water from heat pump by
a
drain valve if fitted
b
disconnecting pipework to and from heat pump
c
Note that on units fitted with more than one condenser there
are also multiple drain down points. Each condenser water circuit will
need to be drained when the winterisation process is carried out.
If this procedure is not adopted and frost or corrosion damage results then
START UP PROCEDURE AFTER WINTERISATION
1.
Replace covers (if not fitted).
2.
Remove front grille -- using soft brush clean finned surfaces of
heat pump. Replace panel.
3.
Remove plastic covers on water connections and reconnect water
piping or close drain valve.
4.
Start up water circulating pump and leave running for at least 1/4
hour to establish flow and enable any air in piping to escape.
5.
Replace fuses to heat pump circuit.
ANY SIGNIFICANT PERIODS OF NON USE NEED TO BE RECORDED ON THE MACHINE RECORD
36
5.
Flush through water circuit in heat pump by using CLEAN TAP
WATER via hose into outlet connection – run for 10 minutes
minimum; use spray nozzle if available.
6.
Allow to drain, after draining fit plastic bags secured by elastic
bands over water connections.
7.
Uncover electrical enclosure (see page 10) and liberally spray
interior of unit with moisture-repellant aerosol WD40 or similar;
reseal enclosure.
8.
If heat pump located outside, protect from weather by covering
with VENTILATED cover. Do not use plastic sheet as condensation
can occur within unit.
the warranty will become invalid.
6.
Switch on heat pump.
7.
Check control thermostat is set to required pool temperature.
8.
Check daily to ensure water is at correct pH (if applicable) and has
correct chemical balance. See Warranty conditions.
LOG ON PAGE 40
SD566251 ISSUE 36
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