Installation manual
50
RKHBH/X016BB
Indoor unit for air to water heat pump system
4PW62576-1 – 10.2010
12. TECHNICAL SPECIFICATIONS
12.1. General
12.2. 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 48 kg 48 kg
• operation weight 61 kg 61 kg
Connections
• water inlet/outlet 1-1/4" MBSP
(a)
(a) MBSP = Male British Standard Pipe
1-1/4" MBSP
(a)
• water drain hose nipple hose nipple
• refrigerant liquid side Ø9.5 mm (3/8 inch) Ø9.5 mm (3/8 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 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~+55°C +15~+55°C
• cooling +5~+22°C —
Operation range - air side
• heating –20~+35°C –20~+35°C
• cooling +10~+46°C —
• domestic hot water by heat pump –20~+35°C –20~+35°C
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 20
• maximum running current See "Connection of the backup heater power supply" on page 20