RKHBH/X008AA
Indoor unit for air to water heat pump system
4PW50203-1A
Installation manual
29
T
ECHNICAL
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
50 kg
50 kg
• operation weight
65 kg
65 kg
Connections
• water inlet/outlet
G 1 (male)
G 1 (male)
• 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
3
3
Sound pressure level
(a)
28 dBA
28 dBA
Internal water volume
5.5 l
5.5 l
Pressure relief valve water circuit
3 bar
3 bar
Operation range - water side
• heating
+25~+50°C
+25~+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) At 1 m in front of the unit (free field condition)
Heating/cooling models (RKHBX)
Heating only models (RKHBH)
Standard unit (power supply via outdoor unit)
• power supply
230 V 50 Hz 1P
• nominal running current
See outdoor unit installation manual
Backup heater
• power supply
See "Connection of the backup heater power supply" on page 13
• maximum running current
See "Connection of the backup heater power supply" on page 13
1D_IM_4PW50203-1A.book Page 29 Thursday, January 29, 2009 10:51 AM
