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WSYG/WSYK SHP • A2W Super High Power heat pumps <60°C

Air/water DC inverter controlled heat pump. The outside air is the energy source for this heat pump. This energy is transferred by the heat pump to the water in the heating circuit(s). Thanks to the "Liquid injection technology" it is possible to reach a water temperature of 60°C even at an outside temperature of -20°C. The fan and compressor speeds are modulated according to the heat requirements.

Brand

  • Fujitsu - Airstage

Application

  • Heating for residential and commercial applications
  • Heating by means of radiators, convectors, floor, wall and ceiling heating
  • Production of domestic hot water
  • Ideal for the renovation market

Composition

  • High-quality coaxial heat exchanger that ensures efficient defrosting (even at extreme outdoor temperatures)
  • Buffer tank (25 litres)
  • User-friendly Siemens controller
  • Energy-efficient circulation pump
  • Expansion vessel (10 litres)
  • Safety valve (3 bar)
  • Electrical back-up resistance hydro unit (2 x 3 kW for WSYG /3 x 3 kW for WSYK)
  • Outside temperature sensor
  • Water pressure gauge

Refrigerant

  • R410A

Specifications

  • Split system
  • Single-phase and three-phase
  • 1 device for 2 applications: heating and domestic hot water
    • Heating assured to -20°C outside temperature
    • Water temperature up to 60°C at -20°C outside temperature (without using a electrical resistance)
  • Liquid Injection Technology: thanks to this technology, it is possible to maintain power and increase efficiency to an unprecedented height of A++
  • Intelligent heating curve (adjustment)
  • Control of 2 heating circuits
  • Can be connected to the PC via an optional web server for remote control of the heat pump
  • Approved according to EN 14511-2 and EN 14511-3
  • Integrated user-friendly controller, also available in Dutch and French aong others

Accessories

  • Room thermostat, type UTW-C55XA
  • Room thermostat RF, type UTW-C58XD + UTW-MRCXD
  • Remote control with room temperature sensor, type UTW-C74TXF
  • Remote control with room temperature and humidity sensor, type UTW-C74HXF
  • Kit for 2nd external circuit WSYA/WSYG/WSYK, type UTW-KZSXJ
  • External boiler connection kit WSYA/WSYG/WSYK, type UTW-KBSXJ + UTW-KREXD
  • Low Noise kit, type UTW-KLNXE
  • Integrated web server, type UTW-KW1XD
  • External heater kit, type UTW-KDWXD
  • Outdoor sensor RF, type UTW-MOSXD + UTW-MRCXD
  • RF module, type UTW-MRCXD
  • Insulation kit for cooling, type UTW-KCLXD
  • Hydraulic decoupling bottle, type UTW-TEVXA
  • External control kit, type UTW-KREXD
  • External control kit, type UTY-XWZXZ2
  • Pump high head, type PHFXG

Applicable outdoor units

Waterstage Comfort Fujitsu outdoor unit
  • Type WOYG 160 LJL (single-phase)
  • Type WOYK 150 LJL (three-phase)
  • Type WOYK 170 LJL (three-phase)

Applicable boiler

  • Warm water heater 300 liter, type SANI+ 300
  • Warm water heater 500 liter, type SANI+ 500

Startup

  • Start-up by CAIROX BELGIUM is strongly recommended

Technical data

Indoor unit* WSYG 160 DJ6WSYK 170 DJ9WSYK 170 DJ9
Associated outdoor unit* WOYG 160 LJLWOYK 150 LJLWOYK 170 LJL
CapacityHeating (-10°C/+35°C)*kW14.814.0515.04
Heating (-10°C/+55°C)*kW11.4312.5513.44
HeatingNom. capacity (+7°C/+35°C)*kW161517
Min - Max capacity (+7°C/+35°C)kW(6,59-22,93)(6,63-22,7)(6,78-24,27)
Absorbed electric powerkW3.863.464.1
COP 4.144.334.15
Nom. capacity (+2°C/+35°C)*kW13.313.213.5
Absorbed electric powerkW4.254.064.27
COP 3.133.253.16
Nom. capacity (+7°C/+55°C)*kW14.513.215
Absorbed electric powerkW5.584.775.49
COP 2.62.772.73
Liquid injection (compressor) Yes
Backup heating resistance Yes (2 x 3kW)Yes (3 x 3kW)
Cooling  Optional
Seasonal efficiency ηs heat pump35°C/55°C163/125164/130161/130
Annual consumption heat pumpkWh 35°C/55°C8014/87578606/99159059/10232
Ecolabel heat pump35°C/55°CA++/A++A++/A++A++/A++
Refrigerant (GWP) R410A (2088)R410A (2088)R410A (2088)
Indoor unitMaximum water flow ratel/min57.854.261.4
Minimum water flow ratel/min26.42427.3
Max. operational working pressure (heating)Bar3
Max. operational working pressure (DHW tank)Bar5.5
Min/Max. water output°C+8 / +60°C
Water volumeL25
Expansion vessel***L10
Sound level @ 1mdB46
Dimensions (H x W x D)mm805x450x471
Weightkg52.5
Colour White (RAL 9003)
Hydraulic connection diameterinch2 x 1"
Main pipe diameterinch1"
Condensate drain pipe diametermm32
Relative humidity limit%15~95
Type of heat exchanger Coaxial heat exchanger
Electrical - Hydraulic modulePower supply hydraulic moduleV230V/1Ph400V/3Ph+N400V/3Ph+N
Max. absorbed power (backup resistance)A281414
Automatic fuse (slow)A322020
Power supply cable section of backup resistancemm²3G65G2,55G2,5
Section between indoor unit and outdoor unitmm²4G1,54G1,54G1,5
TechnicalRefrigerant pipes indoor/outdoorinch3/8 - 5/83/8 - 5/83/8 - 5/8
Standard prefilled refrigerantg (CO2eq-T)2500 (5,2)2500 (5,2)2500 (5,2)
Prefilled piping lengthm151515
Additionnal refrigerant R410Ag/m505050
Min./max. piping lengthm5/305/305/30
Max. height difference (Outdoor unit above/under)m25/1525/1525/15
Expansion Outdoor unitOutdoor unitOutdoor unit
* Specifications and design can be modified for further improvement without prior notice
** Capacities measured according to EN14511 measuring method
*** The size of the expansion vessel has to be determined in accordance with the total water volume of the system
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