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Delta 4

Delta 1-2-4-6-8

Swimming pool air handling units

The sophisticated Delta 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, a Delta solution is the ultimate choice for a commercial or public indoor swimming pool.

 

Key features

  • Dynamic heat pump heat recovery to pool and air
  • Self-regulating fresh air control with heat recovery
  • Automatic control of exhaust air volume to match pool usage
  • Free-cooling (Delta 1-2)
  • Free-cooling and heat pump air cooling (Delta 4-8)
  • Integral LPHW heat exchangers for pool and air
  • Speed controllable EC/inverter fans in all models
  • PLC control with 5.7" touchscreen user interface
  • Remote monitoring/control​

Remote monitoring/control​

  • Screen mirroring to Android/iOS mobile devices using third-party app
  • Screen mirroring to web browser with ActiveX
  • BMS interfaces for Modbus, BACnet IP and BACnet MS/TP
  • Wired remote control interfaces

Options

  • Delta 1-6 single or three phase
  • Delta 8 three phase only
  • Upgraded LPHW heat exchanger for air heating
  • Left-hand or right-hand orientation (Delta 4-8)
  • Top, side or bottom supply fan outlet

Product specifications

Nominal recirculation air flow

2,500
m³/h
 

Exhaust/fresh air flow (stepped control)

120-1,200
m³/h
 

Total dehumidification @ 28°C/60% RH by heat pump and maximum fresh air

9.8
l/h
 

Heat to air

 

Via heat pump (Mode B)

3.8
kW
 

Via standard LPHW @ 80°C

20
kW
 

Via upgraded LPHW @ 55°C

17
kW
 

Total Mode B + standard LPHW

23.8
kW
 

Heat to pool water

 

Via heat pump (Mode A)

4.0
kW
 

Via LPHW @ 80°C

23
kW
 

Via LPHW @ 55°C

11
kW
 

Total Mode A + LPHW

27.0
kW
 

Cooling duty

 

Total

kW
 

Sensible

kW
 

Nominal power consumed

2.6
kW
 

Width

1740
mm
 

Depth

654
mm
 

Height

1685
mm
 

Weight

300
kg
 

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