14 Technical data
Installer reference guide
91
ERLQ004~008CA + 08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
Indoor units
EHVZ04S18CB3V
EHVZ08S18CB3V
Drain valve/fill valve
Yes
(4)
Shut-off valve
Yes
Air purge valve
No
Water circuit
–
space heating side (main zone)
Piping connections diameter
G 1-1/4" (female)
Safety valve
3 bar
Manometer
No
Drain valve/fill valve
Yes
(4)
Shut-off valve
Yes
Air purge valve
No
Water circuit
Total water volume
6.3 l
(5)
6.7 l
(5)
Refrigerant circuit
Gas side diameter
15.9 mm
Liquid side diameter
6.4 mm
Sound power level
Nominal
42 dBA
(6)
Sound pressure level
28 dBA
(7)
Operation range
Heating (water side)
Maximally 55°C
Indoor installation (ambient)
Minimally 5°C DB
Maximally 35°C DB
Domestic hot water (water side)
Maximally 60°C
(10)
Safety devices
Thermal cut out
Electrical specifications
Indoor units
EHVZ04S18CB3V
EHVZ08S18CB3V
Power supply
Name
See note 12
Voltage range
Minimally
–10%
Maximally
+10%
Electric heater
Voltage range
Minimally
–10%
Maximally
+10%
Wiring connections
Communication cable
Quantity
3
Remark
2.5 mm
2
Electric meter
Quantity
2
Remark
Minimum 0.75 mm
2
(5 V DC pulse detection)
Preferential kWh rate power
supply
Quantity
2
Remark
Power 6.3 A. See note 13.
Domestic hot water pump
Quantity
2
Remark
Minimum 0.75 mm
2
(2 A inrush, 1 A continuous)
For power supply backup
heater
Quantity
3G
Remark
See note 13
For connection with R6T
Quantity
2
Remark
Minimum 0.75 mm
2
For connection with A3P
Quantity
Depends on thermostat type, cf. installation manual
Remark
Voltage: 230 V/max. current: 100 mA/min. 0.75 mm
2
. See note 13.
For connection with M2S
Quantity
2
Remark
Voltage: 230 V/max. current: 100 mA/min. 0.75 mm
2
. See note 13.
For connection with bottom
plate heater
Quantity
2
Remark
Voltage: 230 V/min. 0.75 mm
2
. See note 13.
