RKHBH/X008BA
Indoor unit for air to water heat pump system
4PW54224-1A
Installation manual
38
TECHNICAL SPECIFICATIONS
General
Electrical specifications
Heating/cooling models (RKHBX) Heating only models (RKHBH)
Nominal capacity
• cooling
Refer to the Technical Data
• heating
Refer to the Technical Data
Dimensions H x W x D 922 x 502 x 361 922 x 502 x 361
Weight
• machine weight
46 kg 46 kg
• operation weight
59 kg 59 kg
Connections
• water inlet/outlet
1" MBSP
(a)
1" MBSP
(a)
• water drain
hose nipple hose nipple
• refrigerant liquid side
Ø6.4 mm (1/4 inch) Ø6.4 mm (1/4 inch)
• refrigerant gas side
Ø15.9 mm (5/8 inch) Ø15.9 mm (5/8 inch)
Expansion vessel
• volume
10 l 10 l
• maximum working pressure (MWP)
3 bar 3 bar
Pump
• type
water cooled water cooled
• no. of speed
33
Sound pressure level Refer to technical data Refer to technical data
Internal water volume 5.5 l 5.5 l
Pressure relief valve water circuit 3 bar 3 bar
Operation range - water side
• heating
+15~+50°C +15~+50°C
• cooling
+5~+22°C —
Operation range - air side
• heating
–20~+25°C –20~+25°C
• cooling
+10~+43°C —
• domestic hot water by heat pump
–15~+35°C –15~+35°C
(a) MBSP = Male British Standard Pipe
Heating/cooling models (RKHBX) Heating only models (RKHBH)
Standard unit (power supply via outdoor unit)
• power supply
230 V 50 Hz 1P
Backup heater
• power supply
See "Connection of the backup heater power supply" on page 18
• maximum running current
See "Connection of the backup heater power supply" on page 18
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