Winterisation Procedure - Calorex PPT8 Installation Manual

Installation Manual
PPT8/12/16/22L/LY

12.0 Winterisation Procedure

WARNING. Isolate machine before removing covers! The heat pump embodies
electrical and rotational equipment, it is recommended for your own safety that a
Calorex Heat Pumps Ltd. · The Causeway, Maldon, Essex CM9 4XD, UK · Tel: +44 (0)1621 857 171
competent person carries out the following 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
5. Flush through water circuit in heat pump by using CLEAN TAP WATER
(NOT POOL WATER) via hose into outlet connection - run the hose for 10
minutes minimum; use spray nozzle if available.
6. Allow to drain - when drained, fit plastic bags secured by elastic bands
over water connections.
7. Uncover electrical enclosure (see section 4.2) 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 could occur
within unit.
N.B. If this procedure is not adopted and frost or corrosion
damage results then the warranty will become invalid.
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