EHVZ04S18CB3V EHVZ08S18CB3V EHVZ16S18CB3V
Heater capacity Step 1 kW 3 3 3
Power input Nom. kW 0.14 0.14 0.20
Casing Colour   White White White
  Material   Precoated sheet metal Precoated sheet metal Precoated sheet metal
Dimensions Unit Height mm 1,732 1,732 1,732
    Width mm 600 600 600
    Depth mm 728 728 728
  Packed unit Height mm 1,922 1,922 1,922
    Width mm 690 690 690
    Depth mm 818 818 818
Weight Unit kg 121 122 121
  Packed unit kg 138 139 138
Packing Material   Wood, Carton, PE wrapping foil Wood, Carton, PE wrapping foil Wood, Carton, PE wrapping foil
  Weight kg 17 17 17
PED Category   Art3§3, See note 1 Category I, See note 1 Art3§3, See note 1
  Most critical part Name   Plate heat exchanger  
    Ps*V Bar*l   51  
Pump Additional Zone Nr of speeds   Inverter controlled Inverter controlled Inverter controlled
  Power input W 46 46 70
  Type   DC motor DC motor DC motor
Pump Main Zone Nr of speeds   Inverter controlled Inverter controlled Inverter controlled
  Power input W 46 46 70
  Type   DC motor DC motor DC motor
Water side Heat exchanger Type   Brazed plate Brazed plate Brazed plate
  Quantity   1 1 1
  Water volume l 0.90 1.30 1.00
  Water flow rate Min. l/min 13.0 (2) 13.0 (2) 16.0 (2)
    Heating Nom. l/min 13.0 21.5 46.0
  Insulation material   Elastomeric foam Elastomeric foam Elastomeric foam
Expansion vessel Volume l 10 10 10
  Max. water pressure bar 3 3 3
  Pre pressure bar 1 1 1
Water Filter Additional Zone Diameter perforations mm 1.0 1.0 1.0
  Material   Copper - brass - stainless steel Copper - brass - stainless steel Copper - brass - stainless steel
Water filter Main Zone Diameter perforations mm 1.0 1.0 1.0
  Material   Copper - brass - stainless steel Copper - brass - stainless steel Copper - brass - stainless steel
Tank Name   Stainless steel domestic hot water tank 180 l Stainless steel domestic hot water tank 180 l Stainless steel domestic hot water tank 180 l
  Water volume l 180 180 180
  Material   Stainless steel (EN 1.4521) Stainless steel (EN 1.4521) Stainless steel (EN 1.4521)
  Maximum water temperature °C 65 65 65
  Maximum water pressure bar 10 10 10
  Insulation Material   White polyester White polyester White polyester
    Heat loss kWh/24h 1.4 (3) 1.4 (3) 1.4 (3)
  Corrosion protection   Anode Anode Anode
  Energy efficiency class   B B B
  Standing heat loss W 58 58 58
  Storage volume l 166 166 166
  Storage volume 0 0 0
Heat exchanger Domestic hot water Face area 1.900 1.900 1.900
    Internal coil volume l 8.9 8.9 8.9
    Quantity   1 1 1
    Tube material   Stainless steel Stainless steel Stainless steel
3-way valve Coefficient of flow (kV) Space heating m³/h 13 13 13
    Domestic hot water tank m³/h 8 8 8
3-way valve mixing Coefficient of flow (kV) Bypass m³/h 13 13 13
    Main zone only m³/h 8 8 8
Water circuit Total water volume l 6.3 (5) 6.7 (5) 6.4 (5)
Water circuit - space heating side (additional zone) Air purge valve   Yes Yes Yes
  Drain valve / fill valve   Yes, See note 4 Yes, See note 4 Yes, See note 4
  Manometer   Yes Yes Yes
  Piping connections diameter inch G 1-1/4 (FEMALE) G 1-1/4 (FEMALE) G 1-1/4 (FEMALE)
  Safety valve bar 3 3 3
  Shut off valve   Yes Yes Yes
Water circuit - space heating side (main zone) Air purge valve   No No No
  Drain valve / fill valve   Yes, See note 4 Yes, See note 4 Yes, See note 4
  Manometer   No No No
  Piping connections diameter inch G 1-1/4 (FEMALE) G 1-1/4 (FEMALE) G 1-1/4 (FEMALE)
  Safety valve bar Yes Yes Yes
  Shut off valve   Yes Yes Yes
Water circuit - Domestic hot water side Piping connections Cold water in / Hot water out inch G 3/4" FEMALE G 3/4" FEMALE G 3/4" FEMALE
    Recirculation connection inch G 1/2" FEMALE G 1/2" FEMALE G 1/2" FEMALE
Refrigerant circuit Gas side diameter mm 15.9 15.9 15.9
  Liquid side diameter mm 6.4 6.4 9.5
Sound power level Nom. dBA 42 (6) 42 (6) 44 (6)
Sound pressure level Nom. dBA 28 (7) 28 (7) 30 (7)
Operation range Heating Water side Min. °C 15 (8) 15 (8) 15 (8)
      Max. °C 55 55 55 (9)
  Indoor installation Ambient Min. °CDB 5 5 5
      Max. °CDB 35 35 35
  Domestic hot water Water side Min. °C 25 25 25
      Max. °C 60 (10) 60 (10) 60 (10), 60 (11)
Safety devices Item 01   Thermal cut out Thermal cut out Thermal cut out
Power supply Name   See note 12 See note 12 See note 12
  Voltage range Min. % -10 -10 -10
    Max. % 10 10 10
Class IP   IP X0B IP X0B IP X0B
Electric heater Power supply Name   3V3 3V3 3V3
    Phase   1~ 1~ 1~
    Frequency Hz 50 50 50
    Voltage V 230 230 230
  Current Running current A 13.0 13.0 13.0
  Voltage range Min. % -10 -10 -10
    Max. % 10 10 10
Wiring connections Communication cable Quantity   3 3 3
    Remark   2.5 mm² 2.5 mm² 2.5 mm²
  Electric meter Quantity   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)
  Preferential kWh rate power supply Quantity   Power: 2 Power: 2 Power: 2
    Remark   Power 6.3A, See note 13 Power 6.3A, See note 13 Power 6.3A, See note 13
  Domestic hot water pump Quantity   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)
  For power supply back-up heater Quantity   3G 3G 3G
    Remark   See note 13 See note 13 See note 13
  For connection with R6T Quantity   2 2 2
    Remark   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
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13 Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13 Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13
  For connection with M2S Quantity   2 2 2
    Remark   Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13 Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13 Voltage: 230V / Max. current: 100mA / Min. 0.75mm², See note 13
  For connection with bottom plate heater Quantity   2 2 2
    Remark   Voltage: 230V / Min. 0.75mm², See note 13 Voltage: 230V / Min. 0.75mm², See note 13 Voltage: 230V / Min. 0.75mm², See note 13
  For connection with user interface Quantity   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)
  For connection with optional FWXV* (demand input and output) Quantity   4 4 4
    Remark   100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm² 100 mA, minimum 0.75 mm²
  For connection with safety thermostat Quantity   2 2 2
    Remark   Minimum 0.75 mm² Minimum 0.75 mm² Minimum 0.75 mm²
Notes (1) - PED unit category: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC (1) - PED unit category: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC (1) - PED unit category: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC
  (2) - 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). (2) - 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). (2) - 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).
  (3) - Heatloss according to EN12897 (3) - Heatloss according to EN12897 (3) - Heatloss according to EN12897
  (4) - Drain/Fill valve only available on water inlet connection. (4) - Drain/Fill valve only available on water inlet connection. (4) - Drain/Fill valve only available on water inlet connection.
  (5) - Including piping + PHE + back-up heater; excluding expansion vessel (5) - Including piping + PHE + back-up heater; excluding expansion vessel (5) - Including piping + PHE + back-up heater; excluding expansion vessel
  (6) - DB/WB 7°C/6°C - LWC 35°C (DT=5°C) (6) - DB/WB 7°C/6°C - LWC 35°C (DT=5°C) (6) - DB/WB 7°C/6°C - LWC 35°C (DT=5°C)
  (7) - 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. (7) - 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. (7) - 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.
  (8) - 15°C-25°C: BUH only, no heat pump operation = during commissioning (8) - 15°C-25°C: BUH only, no heat pump operation = during commissioning (8) - 15°C-25°C: BUH only, no heat pump operation = during commissioning
  (9) - Refer to operation range for detail for differences between *RHQ* and *RLQ* models (9) - Refer to operation range for detail for differences between *RHQ* and *RLQ* models (9) - Refer to operation range for detail for differences between *RHQ* and *RLQ* models
  (10) - For *RLQ* outdoor units >55°C BUH only, no heatpump operation (10) - For *RLQ* outdoor units >55°C BUH only, no heatpump operation (10) - For *RLQ* outdoor units >55°C BUH only, no heatpump operation
  (11) - For *RHQ* outdoor units >50°C BUH only, no heatpump operation (11) - For *RHQ* outdoor units >50°C BUH only, no heatpump operation (11) - For *RHQ* outdoor units >50°C BUH only, no heatpump operation
  (12) - Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the outdoor unit. (12) - Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the outdoor unit. (12) - Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the outdoor unit.
  (13) - Select diameter and type according to national and local regulations (13) - Select diameter and type according to national and local regulations (13) - Select diameter and type according to national and local regulations