Calorex 29 Series, Owners & Installation Manual

Page: 23 / 136

Page 23
WINTERISING 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
inlet 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 page 7) 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.
WARNING. Isolate machine before removing covers! The heat pump
embodies electrical and rotational equipment, it is recommended for your
own safety that a competent person carries out the following procedure
N.B . If this procedure is not adopted and frost or corrosion damage results then the
warranty will become invalid.