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Calorex AW550 Owners And Installation Manual
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Page 21 SD092750 ISSUE 34Variheat CommissioningHEALTH & SAFETY WARNINGAs the Heat Pump embodies electrical and rotational equipment it is recommended that ONLY competentpersons carry out any work on this type of machine (see Guarantee).PEAK LOAD EXHAUSTFAN AVAILABLEFROM CALOREXDISTRIBUTORSAIR THERMOSTATPOOLWATERTHERMOSTATFILTERPOOLCIRCULATINGPUMP*CALOREX LPHW AIRHEATER BATTERYMOTORISED VALVEPUMPBOILERMOTORISED VALVEPOOL WATER HEATEXCHANGER(CALORIFIER)CALOREXVARIHEATMOIST POOL HALL AIRWARM DRY AIRWATER FLOWNOTE: LPHW FEED AND EXPANSION SYSTEM OMITTED FOR CLARITY* SOME BOILERS REQUIRE A BYPASS- CONSULTBOILER MANUFACTURERS INSTRUCTIONS† LPHW - LOW PRESSURE HOT WATERCALOREX VARIHEAT INSTALLATION WITH FUEL BOILERMOTORISED VALVE BOILER SYSTEMPre-commissioning-all models.Check installation, electrical, water and ductingservices are in accordance with Calorexrecommendations, i.e.:Ensure water flow and rate are within designlimits.Condensate drain connected.Check interlock to water circulating circuit hasbeen installed, via voltage free contacts in waterpump starter or flow switch.Ensure electric supply and fuses are to correctcapacity.Ensure pool hall air temperature is 20°Cminimum.Ensure pool water calorifier thermostat is setslightly lower than variheat water thermostatModels up to and including 1200Main electrical supply OFF.Humidistat to 80%. Pool thermostat to belowrequired temperature.1. Switch on main electrical supply-mains lampON-fan runs.2. Turn down humidistat towards 20%,compressor operates after 8 minute delay.NOTE: Machine will only operate correctlywhen all service panels are in place.3. Tum or switch off water circuit, interlockshould operate, unit compressor stops. Faultlamp ON.4. Restore water circuit and set humidistat torequired control position; normally 60%.5. Alter pool thermostat to below pool watertemperature-check unit switches over to airheating.6. Set water thermostat to required temperature.7. Heat pump will not operate correctly withservice panels removed.Models AW 1400, 1800, 4000Main electrical supply OFF.Humidistat to 80%. Pool thermostat to belowrequired temperature. Remove compressor fuses.1. Check fan and drive for foreign bodies or transitdamage.2. Mains supply ON-mains lamp ON.3. Fan operates-check correct fan rotation; if incorrect onthree phase unit switch off supply-change over twophases on mains input terminal block-switch on,recheck fan operation.LEAVE ON FOR 12 HOURS.4. Switch off-replace compressor fuses.5. Switch ON-fan operates correctly.6. Turn humidistat towards 20%, compressor will startapprox. 8 mins later.7. Turn or switch off water circuit to prove interlockcircuit operates, unit compressor stops. Fault lampON.8. Restore water circuit and all switches to normaloperation. Humidistat at normal, say 60%. Compressorwill start up after time delay.9. Alter pool thermostat to below pool water temperature-check unit switches over to air heating.10 Set water thermostat to required temperature.11. Check operation of any additional features Le. IndoorControl Panel, LPHW heater batteries etc. See pages24-28.Models with A/C Feature1. After completing all of above alter air temp thermostat(in RCU controller located in VH unit) to below poolhall air temperature-ehecking unit switches onexternal RCU machine. |
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