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swimming pools > swimming pool heaters > swimming pool Calorex heat pumps

Calorex Heat Pump

Calorex Heat PumpHeating your swimming pool with a Calorex Heat Pump could not be more straightforward and economical. At a cost that won't spoil the enjoyment, you not the weather, will be in control and with your Calorex Heat Pump you can ensure your pool will always be at just the right temperature without costing the Earth.

Heat pumps are by no means a strange invention. Similar in operation to a refrigerator, Swimming Pool Heat Pumps absorb energy in the form of heat and moisture from outside air, upgrading this energy to a usable form of heat through the unique ability of their refrigeration circuit. By careful design Calorex Heat Pumps are capable of providing your pool with up to five units of absorbed heat for every one unit paid for. Even on a cloudy cold day when the temperature may only be 10 degrees C the Calorex Heat Pumps will still give three units for every one consumed.

All Calorex heat pumps contain a fully sealed non-CFC refrigeration circuit that is specifically designed to operate as a swimming pool heat pump. This means that all Calorex Heat Pump components are designed to give maximum efficiency at typical swimming pool temperatures. Furthermore, the choice of material and construction will give you years of trouble free service from you Calorex Heat Pump.

Calorex is the world's leading manufacturer of swimming pool heat pumps and is renowned for it's innovation, range and quality of product. A proud claim, backed by over twenty years of design, manufacture and operational experience with thousands of Calorex Heat Pumps operating in hundreds of countries worldwide.

  1. Calorex heat pumps can provide up to five units of energy to the pool for every one unit paid for.
  2. Calorex heat pumps require no complicated gas supply, oil tanks or flues.
  3. Calorex heat pumps will operate from small capacity electrical supplies.
  4. Calorex heat pumps are easy to install, quiet in operation and as a result of their design, inherently reliable.
  5. Calorex heat pumps are fully automatic - all you have to do is set the thermostat to your required pool temperature.

The Calorex 31 Range Heat Pumps will successfully heat the swimming pool water throughout a typical UK summer season, which for arguments sake we would suggest being May to September (approx 24 weeks), operating efficiently at an outside temperature down to 7° C.

The diagram below illustrates the way in which a Calorex heat pump absorbs, upgrades and transfers heat from outside air to swimming pool water.

a Calorex Heat Pump
Product Name RRP Price £  
Calorex 31 Range 631Y Heat Pump 1 Phase 4,748.78 3,989.00
Calorex 31 Range 631Y Heat Pump 3 Phase 4,777.50 4,114.00
Calorex 31 Range 831Y Heat Pump 1 Phase 4,900.75 4,364.00
Calorex 31 Range 831Y Heat Pump 3 Phase 5,041.00 4,4484.00
Calorex 31 Range 1231Y Heat Pump 1 Phase 6,186.00 5,397.00
Calorex 31 Range 1231Y Heat Pump 3 Phase 6,226.00 5,527.00
Calorex 31 Range 1231Y Heat Pump 1 Phase + Soft Start 6,830.00 5,788.00
Calorex 31 Range 1531Y Heat Pump 3 Phase 6,998.75 6,184.00
Calorex 31 Range 1531Y Heat Pump 3 Phase 6,998.75 6,184.00
Calorex 10 Range

Click to enlargeCalorex Heat Pumps are built to the highest quality levels and the exceptionally long experience makes the Calorex Heat Pump an excellent choice. Calorex Heat Pumps are manufactured to suit a large variety of applications. The 10X Calorex Heat Pump Range, with a more comprehensive design, offers an extended season usage, normally March to November (approx 40 weeks). The Calorex 10X Heat Pump provides pool water heating when the outside air temperature is as low as 0° C. The 10X Heat Pump Range also incorporates an internal by-pass system that allows for a range of pool water flow rates. The 10X range can also be used for a shorter extended season, April to October (approx 32 weeks) and a smaller unit can be used. See Sizing Graph

Calorex 20 Range

Air to water Calorex heat pumps for swimming pool water heating during ambient temperatures above 7°c 3020, 7020 have operating option to -15°c

Model Single Phase   AW320AM AW620AM AW820AM AW1220AM      
Model Three Phase     AW620BM AW820BM AW1220BM AW1520BM AW3020BM AW7020BM
DUTY- Ambient Air 10C
Output to Water kW 3.7 7.3 9.5 12.6 17 31 53
Electrical Input kW 0.8 2 2.4 3.4 4.6 8.6 12
DUTY- Ambient Air 20C
Output to Water kW 4.8 9.3 12.15 16.1 22 41 66
Electrical Input kW 0.9 2.1 2.5 3.6 5.1 9.1 13.4
ELECTRICAL DATA
Electrical Supply Spec 1 Phase v/ph/Hz 230v -- 1N-50Hz
Electrical Supply Spec 3 Phase v/ph/Hz 400v -- 3N-50Hz
Supply Fuse 1 Phase amps 10 20 25 33 - - -
Supply Fuse 3 Phase amps n/a 11 13 15 30 35 50
Starting Amps - Std 1 Phase amps 32 60 72 90 - - -
Starting Amps - Std 3 Phase amps n/a 30 30 39 52 127 198
AIR DATA
Nominal Air Flow m3/hr 835 1500 2500 3000 4000 9000 13000
Fan External Resistance mm WG n/a 4 4 4 4 4 4
Fan/Drive Centrifugal - Direct Belt
WATER DATA
Pool Water Flow l/min 16 33 33 33 33 83 130
Pressure Drop Pool Water m hd 4.9 2.1 3.2 3.9 4.3 2.5 4.5
Pool Water Connections inches 3/4" BSPM Stub 11/2" BSPM
Condensate Water Connection mm 22mm 11/2" BSPM
GENERAL DATA
Refrigerant type - R407C
Noise Level @ 3m dB A 53 55 57 59 61 69 73
Compressor - Hermetic Suction Gas Cooled
DIMENSION DATA
Width (unpacked) mm 817 820 1080 1080 1210 1700 1950
Depth (unpacked) mm 605 705 705 705 755 1090 1340
Height (unpacked) mm 640 760 802 802 807 1212 1212
Weight (unpacked) kg 66 92 119 130 145 400 480
NOTES
Performance Design Limitations: Ambient = 7C min, 38C max. Water = 10C min, 38C max
Pool water to have correct balance pH 7.4 0.4. Free Chlorine 1 - 30 ppm.
Sea water acceptable.
Calorex reserve the right to change or modify models without prior notice.
AW320-AW1520 have built in water flow meter.
 
Calorex 31 Range
  1. Key features include:
  2. Full flow Titanium heat exchanger with five year guarantee
  3. Scroll compressor located within an insulated, sealed housing
  4. Epoxy coated evaporator
  5. R407c zero ozone depleting refrigerant
  6. Plastisol coated cabinet
  7. Super quiet operation
  8. Digital thermostat
  9. Water flow switch with flow status indication
  10. Flexible design for ease of installation
Model Single Phase   AW631AL AW831AL AW1231AL N/A
Model Three Phase   AW631BL AW831BL AW1231BL AW1531BL
HEATING
Heat Output @ 20°C, 70% RH kW 9.3 12.5 16.2 21.8
Electrical Input kW 2.0 2.7 3.5 4.5
Heat Output @ 10°C, 80% RH kW 7.2 9.8 9.8 17.1
Electrical Input kW 1.8 2.4 2.4 4.1
ELECTRICAL DATA
Electrical Supply Spec 1 Phase v/ph/Hz 230v /  1N / 50Hz
Electrical Supply Spec 3 Phase v/ph/Hz 400v /  3N / 50Hz
Minimum Supply Capacity 1 Phase amps 12 16 21 n/a
Minimum Supply Capacity 3 Phase amps 7 8 10 11
Maximum Supply Fuse 1 Phase amps 20 25 30 n/a
Maximum Supply Fuse 3 Phase amps 10 13 15 18
Max Starting Current STD (LRA) 1ph  amps 61 76 100 n/a
Max Starting Current Soft Start (LRA) 1pht amps 29 31 34 n/a
Max Starting Current STD (LRA) 3ph  amps 32 40 46 66
Max Starting Current Soft Start (LRA) 3ph amps 13 15 17 27
AIR DATA
Air Flow m³/hr 1800 2500 3000 3950
Fan External Resistance STD mm WG 0 0 0 0
Fan External Resistance “F” mm WG 6 6 6 6
WATER DATA
Pool Water Flow + or – 20% l/min 115 115 160 160
Pressure Drop Pool Water m hd 1.1 1.0 2.0 2.0
Pool Water Connections inches 11/2" BSPM  PVC
Condensate Water Connection mm ¾” BSPM Stub
GENERAL DATA
Gas Charge (R407C) kg 1.2 1.8 2.0 2.3
Noise Level @ 3m dB (A) 49 50 52 55
DIMENSION DATA
Width (unpacked) inc water connections mm 1075 1075 1075 1180
Depth (unpacked) mm 485 485 485 485
Height (unpacked) mm 1255 1255 1355 1355
Weight (unpacked) kg 126 134 144 158
NOTES:
Performance Design Limitations: Ambient = 7C min, 38C max. Water = 10C min, 38C max
Pool water to have correct balance pH 7.4 0.4. Free Chlorine 1 - 30 ppm.
Sea water acceptable.
Calorex reserve the right to change or modify models without prior notice.
AW320-AW1520 have built in water flow meter.

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