Multi Summit Wall Mounted

Hitachi R32 Summit REF/WEF Indoor Unit for Connection to SUMMIT Multi System only

Compact, cost effective, stylish wall units with high seasonal efficiency and low noise. Our Summit models from the Room Air Conditioning range are designed to complement the interior of any residential or commercial space.

The Hitachi Summit units feature benefits such as Cooling Only and Heating Only functions. 7-Day Hard Wired controller does not require an additional adapter and remote contacts for Fire Alarm Shut Down and Fault Output are also available.

NEW FROST WASH feature. Keep the heat exchanger clean by freezing and melting, thus improving Air Quality

Model Reference
Nom.
Cool/Sens
(kW)

Nom.
Heat
(kW)

Max
Pipe

Pipe
Gas

Pipe
Liquid

Electrical
Supply

WiFi
Control
Indoor UnitOutdoor Unit
RAK-15REF



Select Condenser from SUMMIT Multi Table

1.502.00



Refer to SUMMIT Multi Table

3/81/4SingleOptional
RAK-18REF2.00 2.503/81/4SingleOptional
RAK-25REF2.50 3.403/81/4SingleOptional
RAK-35REF3.50 4.203/81/4SingleOptional
RAK-50REF5.00 6.001/21/4SingleOptional

  • 12 hour programmable Infra Red Controller.
  • Pre-charged to maximum pipe run of 20 meters.
  • Lockable into Heating or Cooling only.
  • NEW Frost wash. Keep the heat exchanger clean by freezing and melting, thus improving Air Quality

 

Frost Wash Feature

  • Optional SPX-WKT3 Hard-Wired Controller with 7-Day Timer.
  • Optional SPX-WFG01 “Hi-Kumo” Wif-Fi Adapter.
  • Group Control and remote operation and fault integration for BMS application.

 

 

 

 

 

 

Features and Benefits

  • Seasonal Efficiency: All Hitachi’s RAC units offer high seasonal efficiencies, with models in the Summit range achieving up to SEER A++/SCOP A+
  • Volt Free Contact: Volt Free control of the air conditioning system – can be used to turn the unit on/off remotely after receiving a signal such as key-card, door or window switch, specifically useful in hotel rooms to prevent unnecessary use Accessory SPX WDC3 is required
  • Super Quiet: Low noise levels courtesy of Super Low fan speed
  • Heating at low temperatures: Guaranteed efficiency in heating mode up to -15°C
  • Heating mode lock: Suitable for BREEAM assessed buildings where cooling mode might not be accepted or simply where cooling is not required
  • Compact: The compact dimensions of the Summit model (280 x 780 x 218) are common across the entire range and allow for easier integration
  • DC Inverter Outdoor Unit: As the pioneer of DC Inverter driven room air conditioners our units boast the significant advantage of all DC Inverter driven compressors and fans allowing precise control of capacity and temperature.

 

Power/Wiring: 

Power supply to Outdoor Unit with 3C + E interconnecting cable per indoor unit. Note that this is 240vAC plus Comms.

 

Product Images

Advanced Technical Data

Indoor Unit Technical DataModel Reference
RAK-18REFRAK-25REFRAK-35REFRAK-50REF
Cooling (kW) - Nominal22.53.55
Heating (kW) - Nominal2.53.44.26
Cooling (kW) - UK ConditionPendingPendingPendingPending
Heating (kW) - UK ConditionPendingPendingPendingPending
Sensible Heat Ratio (SHR)95.00%88.00%80.00%68.00%
Sound Pressure - Cooling (dBA)37-24/2140-24/2243-26/2547-30/28
Sound Pressure - Heating (dBA)38-22/1941-23/2044-27/2647-30/25
Height (mm)280280280280
Width (mm)780780780780
Depth (mm)215215215215
Weight (kG)7.77.77.78.2
Air Flow - Cooling (m³/hr)440-350/312510-370/333600-400/333700-450/333
Air Flow - Heating (m³/hr)480-350/312570-400/333660-520/333770-510/433
Model Reference
Nom.
Cool
(kW)

Nom.
Heat
(kW)

Max
Pipe
(m)
EuP Lot 10
Energy Rating

Fuse
(Amps)

Pipe
Sizes

Pipe Max
Per Leg
(m)

Electrical
Supply
CombinationsOutdoor UnitSCOPSEER
2 min, 2 maxRAM-40NE2F4.005.10354.308.2516

3/8 Gas + 1/4 Liquid
25Single
2 min, 2 maxRAM-53NE2F5.306.30354.108.101625Single
2 min, 3 maxRAM-53NE3F5.306.30354.108.101625Single
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