RHBH04CB3V RHBH08CB9W RHBH11CB9W RHBH16CB9W
Heater capacity Step 1 kW 3 3 3 3
  Step 2 kW   max. 6 kW max. 6 kW max. 6 kW
Power input Nom. kW 0.08 0.08 0.11 0.17
Casing Colour   White White White White
  Material   Precoated sheet metal Precoated sheet metal Precoated sheet metal Precoated sheet metal
Dimensions Unit Height mm 890 890 890 890
    Width mm 480 480 480 480
    Depth mm 344 344 344 344
  Packed unit Height mm 415 415 415 415
    Width mm 650 650 650 650
    Depth mm 1,016 1,016 1,016 1,016
Weight Unit kg 41 45 44 45
  Packed unit kg 45 48 47 48
Packing Material   Carton, EPS, PP (Straps) Carton, EPS, PP (Straps) Carton, EPS, PP (Straps) Carton, EPS, PP (Straps)
  Weight kg 3 3 3 3
PED Category   Art3§3, Excluded from scope of PED due to article 1, item 3.6 of 97/23/EC Category I, Excluded from scope of PED due to article 1, item 3.6 of 97/23/EC Art3§3, Excluded from scope of PED due to article 1, item 3.6 of 97/23/EC Art3§3, Excluded from scope of PED due to article 1, item 3.6 of 97/23/EC
  Most critical part Name   Plate heat exchanger    
    Ps*V Bar*l   51    
Pump Type   DC motor DC motor DC motor DC motor
  Nr of speeds   Inverter controlled Inverter controlled Inverter controlled Inverter controlled
  Power input W 45 45 76 140
Water side Heat exchanger Type   Brazed plate Brazed plate Brazed plate Brazed plate
  Quantity   1 1 1 1
  Water volume l 0.90 1.30 1.00 1.00
  Water flow rate Min. l/min 13.0 (1) 13.0 (1) 16.0 (1) 16.0 (1)
    Max. l/min 13.0 21.5 46.0 52.0
  Insulation material   Elastomeric foam Elastomeric foam Elastomeric foam Elastomeric foam
Expansion vessel Volume l 10 10 10 10
  Max. water pressure bar 3 3 3 3
  Pre pressure bar 1 1 1 1
Water filter Diameter perforations mm 1.0 1.0 1.0 1.0
  Material   Copper - brass - stainless steel Copper - brass - stainless steel Copper - brass - stainless steel Copper - brass - stainless steel
Water circuit Piping connections diameter inch G 1"1/4 (female) G 1"1/4 (female) G 1"1/4 (female) G 1"1/4 (female)
  Safety valve bar 3 3 3 3
  Manometer   Yes Yes Yes Yes
  Drain valve / fill valve   Yes Yes Yes Yes
  Shut off valve   Yes Yes Yes Yes
  Air purge valve   Yes Yes Yes Yes
  Total water volume l 3.0 (2) 4.0 (2) 4.0 (2) 4.0 (2)
Refrigerant circuit Gas side diameter mm 15.9 15.9 15.9 15.9
  Liquid side diameter mm 6.4 6.4 9.5 9.5
Sound power level Nom. dBA 40 (3) 40 (3) 41 (3) 44 (3)
Sound pressure level Nom. dBA 26 (4) 26 (4) 27 (4) 30 (4)
Operation range Heating Water side Min. °C 15 (5) 15 (5) 15 (5) 15 (5)
      Max. °C 55 55 55 (6) 55 (6)
  Indoor installation Ambient Min. °CDB 5 5 5 5
      Max. °CDB 35 35 35 35
  Domestic hot water Water side Min. °C 25 25 25 25
      Max. °C 80 (6) 80 (6) 80 (7) 80 (7)
Safety devices Item 01   Thermal cut out Thermal cut out Thermal cut out Thermal cut out
Power supply Name   Power supply of the hydrobox mentioned here is for the backup heater only., The switch box and the pump of the hydrobox are supplied via the outdoor unit normally, The optional domestic hot water tank has a separate power supply Power supply of the hydrobox mentioned here is for the backup heater only., The switch box and the pump of the hydrobox are supplied via the outdoor unit normally, The optional domestic hot water tank has a separate power supply Power supply of the hydrobox mentioned here is for the backup heater only., The switch box and the pump of the hydrobox are supplied via the outdoor unit normally, The optional domestic hot water tank has a separate power supply Power supply of the hydrobox mentioned here is for the backup heater only., The switch box and the pump of the hydrobox are supplied via the outdoor unit normally, The optional domestic hot water tank has a separate power supply
  Voltage range Min. % -10 -10 -10 -10
    Max. % 10 10 10 10
Class IP   IP X0B IP X0B IP X0B IP X0B
Electric heater Power supply Name   3V3 9WN 9WN 9WN
    Phase   1~ Refer to installation manual or drawing 4D097266 Refer to installation manual or drawing 4D097266 Refer to installation manual or drawing 4D097266
    Frequency Hz 50 50 50 50
    Voltage V 230      
  Current Running current A 13.0      
    Minimum Ssc value   Equipment complying with EN/IEC 61000-3-12 Equipment complying with EN/IEC 61000-3-12 Equipment complying with EN/IEC 61000-3-12
  Current back-up heater + booster heater (EKHW* models) Running current *V3 A 26 (13+13)      
    Minimum Ssc value *V3   Equipment complying with EN/IEC 61000-3-12 **, European/International Technical Standard, Setting the limits for harmonic currents produced by equipment connected to public low-voltage systems, with input current > 16A and <=75A per phase Equipment complying with EN/IEC 61000-3-12 **, European/International Technical Standard, Setting the limits for harmonic currents produced by equipment connected to public low-voltage systems, with input current > 16A and <=75A per phase Equipment complying with EN/IEC 61000-3-12 **, European/International Technical Standard, Setting the limits for harmonic currents produced by equipment connected to public low-voltage systems, with input current > 16A and <=75A per phase Equipment complying with EN/IEC 61000-3-12 **, European/International Technical Standard, Setting the limits for harmonic currents produced by equipment connected to public low-voltage systems, with input current > 16A and <=75A per phase
  Voltage range Min. % -10 -10 -10 -10
    Max. % 10 10 10 10
Wiring connections Communication cable Quantity   3 3 3 3
    Remark   2.5 mm² 2.5 mm² 2.5 mm² 2.5 mm²
  Electric meter Quantity   2 2 2 2
    Remark   Minimum 0.75 mm² (5VDC pulse detection) Minimum 0.75 mm² (5VDC pulse detection) Minimum 0.75 mm² (5VDC pulse detection) Minimum 0.75 mm² (5VDC pulse detection)
  Preferential kWh rate power supply Quantity   Power: 2 Power: 2 Power: 2 Power: 2
    Remark   Power 6.3A (Select diameter and type according to national and local regulations) Power 6.3A (Select diameter and type according to national and local regulations) Power 6.3A (Select diameter and type according to national and local regulations) Power 6.3A (Select diameter and type according to national and local regulations)
  Domestic hot water pump Quantity   2 2 2 2
    Remark   Minimum 0.75 mm² (2A inrush, 1A continuous) Minimum 0.75 mm² (2A inrush, 1A continuous) Minimum 0.75 mm² (2A inrush, 1A continuous) Minimum 0.75 mm² (2A inrush, 1A continuous)
  For power supply back-up heater Quantity   3G Refer to installation manual or drawing 4D093592 Refer to installation manual or drawing 4D093592 Refer to installation manual or drawing 4D093592
    Remark   Select diameter & type according to national & local regulations Select diameter & type according to national & local regulations Select diameter & type according to national & local regulations Select diameter & type according to national & local regulations
  For power supply connection to optional *KHW* Quantity   3G 3G 3G 3G
    Remark   13A (Select diameter and type according to national and local regulations) 13A (Select diameter and type according to national and local regulations) 13A (Select diameter and type according to national and local regulations) 13A (Select diameter and type according to national and local regulations)
  For connection to optional *KHW* model + Q2L Quantity   5G 5G 5G 5G
    Remark   For more details of the voltage range and current, refer to installation manual, Select diameter and type according to national and local regulations For more details of the voltage range and current, refer to installation manual, Select diameter and type according to national and local regulations For more details of the voltage range and current, refer to installation manual, Select diameter and type according to national and local regulations For more details of the voltage range and current, refer to installation manual, Select diameter and type according to national and local regulations
  For connection with R5T Quantity   Wire included in option *KHW* Wire included in option *KHW* Wire included in option *KHW* Wire included in option *KHW*
    Remark   Wire included in option *KHW* Wire included in option *KHW* Wire included in option *KHW* Wire included in option *KHW*
  For connection with R6T Quantity   2 2 2 2
    Remark   Minimum 0.75 mm² Minimum 0.75 mm² Minimum 0.75 mm² Minimum 0.75 mm²
  For connection with A3P Quantity   Depends on thermostat type, cf. installation manual Depends on thermostat type, cf. installation manual Depends on thermostat type, cf. installation manual Depends on thermostat type, cf. installation manual
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations
  For connection with M2S Quantity   2 2 2 2
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations
  For connection with M3S Quantity   3 3 3 3
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter & type according to national & local regulations
  For connection with bottom plate heater Quantity   2 2 2 2
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter and type according to national and local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter and type according to national and local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter and type according to national and local regulations Voltage: 230V / Max. current: 100mA / Min. 0.75mm², Select diameter and type according to national and local regulations
  For connection with user interface Quantity   2 2 2 2
    Remark   0.75 mm² till 1,25 mm² (max length 500m) 0.75 mm² till 1,25 mm² (max length 500m) 0.75 mm² till 1,25 mm² (max length 500m) 0.75 mm² till 1,25 mm² (max length 500m)
  For connection with optional FWXV* (demand input and output) Quantity   4 4 4 4
    Remark   100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm²
Notes Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation). Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation). Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation). Operation area is extended to lower flow rates only in case the unit operates with heat pump only. (Not in startup, no BUH operation, no defrost operation).
  Including piping + PHE + back-up heater; excluding expansion vessel Including piping + PHE + back-up heater; excluding expansion vessel Including piping + PHE + back-up heater; excluding expansion vessel Including piping + PHE + back-up heater; excluding expansion vessel
  DB/WB 7°C/6°C - LWC 35°C (DT=5°C) DB/WB 7°C/6°C - LWC 35°C (DT=5°C) DB/WB 7°C/6°C - LWC 35°C (DT=5°C) DB/WB 7°C/6°C - LWC 35°C (DT=5°C)
  The sound pressure level is measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment.The sound pressure level mentioned is maximum possible value inside operation range of unit. The sound pressure level is measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment.The sound pressure level mentioned is maximum possible value inside operation range of unit. The sound pressure level is measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment.The sound pressure level mentioned is maximum possible value inside operation range of unit. The sound pressure level is measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and acoustic environment.The sound pressure level mentioned is maximum possible value inside operation range of unit.
  15°C-25°C: BUH only, no heat pump operation = during commissioning 15°C-25°C: BUH only, no heat pump operation = during commissioning 15°C-25°C: BUH only, no heat pump operation = during commissioning 15°C-25°C: BUH only, no heat pump operation = during commissioning
  > 50°C BSH only, no heatpump operation > 50°C BSH only, no heatpump operation Refer to operation range for detail for differences between *RHQ* and *RLQ* models Refer to operation range for detail for differences between *RHQ* and *RLQ* models
      > 50°C BSH only, no heatpump operation > 50°C BSH only, no heatpump operation