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Calorex HRD 30
Calorex HRD 30

HRD 15-20-25-30

Swimming pool air handling units

The sophisticated HRD air handling units incorporate hybrid heat pump and fresh air dehumidification technology. With dynamic heat recovery to swimming pool water and air using a heat pump, an HRD is the ultimate solution for a leisure centre swimming pool.

 

Key features

  • Dynamic heat pump heat recovery to pool and air
  • Self-regulating fresh air control
  • Automatic control of exhaust air volume to match pool usage
  • Free-cooling (HRD 15-20)
  • Air-conditioning (HRD 25-30)
  • Integral LPHW heat exchanger for air heating
  • Double skinned insulated cabinet
  • Bespoke fan specifications
  • For correct sizing of the HRD please contact our dedicated sales team who can assist in tailoring the selection for your swimming pool project

Options

  • Upgraded LPHW heat exchanger for air heating
  • Left-hand or right-hand orientation
  • Choice of supply fan outlet orientations
  • Choice of fan static pressures
  • BMS interface

Product specifications

Exhaust/fresh air flow (stepped control)

12,000
m³/h
 

Dehumidification @ 28°C/60% RH by heat pump

6,000
m³/h
 

Total by heat pump and maximum fresh air

31
l/h
 

Heat to air

 

Via heat pump (Mode B)

63
l/h
 

Via standard LPHW @ 80°C

37
kW
 

Maximum available (Mode B + standard LPHW)

70
kW
 

Heat to water

107
kW
 

Via heat pump (Mode A)

 

Cooling duty

40
kW
 

Sensible Mode A

-20
kW
 

Sensible Mode B

kW
 

Nominal power consumed (dependent upon main fan duty)

17
kW
 
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