T
ECHNICAL SPECIFICATIONS
General
Nominal capacity
• cooling
• heating
Dimensions H x W x D
Weight
• machine weight
• operation weight
Connections
• water inlet/outlet
• water drain
• refrigerant liquid side
• refrigerant gas side
Expansion vessel
• volume
• maximum working pressure (MWP)
Pump
• type
• no. of speed
(a)
Sound pressure level
Internal water volume
Pressure relief valve water circuit
Operation range - water side
• heating
• cooling
Operation range - air side
• heating
• cooling
• domestic hot water by heat pump
(a) At 1 m in front of the unit (free field condition)
Electrical specifications
Standard unit (power supply via outdoor unit)
• power supply
• nominal running current
Backup heater
• power supply
• maximum running current
RKHBH/X008AA
Indoor unit for air to water heat pump system
4PW50203-1A
Heating/cooling models (RKHBX)
Refer to the Technical Data
Refer to the Technical Data
922 x 502 x 361
50 kg
65 kg
G 1 (male)
hose nipple
Ø6.4 mm (1/4 inch)
Ø15.9 mm (5/8 inch)
10 l
3 bar
water cooled
3
28 dBA
5.5 l
3 bar
+25~+50°C
+5~+22°C
–20~+25°C
+10~+43°C
–15~+35°C
Heating/cooling models (RKHBX)
See outdoor unit installation manual
See "Connection of the backup heater power supply" on page 13
See "Connection of the backup heater power supply" on page 13
Heating only models (RKHBH)
922 x 502 x 361
50 kg
65 kg
G 1 (male)
hose nipple
Ø6.4 mm (1/4 inch)
Ø15.9 mm (5/8 inch)
10 l
3 bar
water cooled
28 dBA
5.5 l
3 bar
+25~+50°C
–20~+25°C
–15~+35°C
Heating only models (RKHBH)
230 V 50 Hz 1P
3
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Installation manual
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