Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual page 92

14 Technical data
English
Outdoor unit
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Use normal kWh rate power
supply for indoor unit
(2) Backup heater power supply
(3) User interface
Only for remote user interface
option
Switch box
(4) Ext. thermistor
Switch box
(5) Field supplied options
230 V AC supplied by PCB
5 V DC pulse detection (voltage
supplied by PCB)
Continuous
DHW pump
DHW pump output
Electrical meters
For safety thermostat
Inrush
Max. load
Normally closed
Normally open
Safety thermostat contact: 16 V
DC detection (voltage supplied
by PCB)
Shut-off valve
Switch box
(6) Booster heater power supply (6) Booster heater power supply
Installer reference guide
92
Translation
Outdoor unit
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Use normal kWh rate power
supply for indoor unit
(2) Backup heater power supply
(3) User interface
Only for remote user interface
option
Switch box
(4) External thermistor
Switch box
(5) Field supplied options
230 V AC supplied by PCB
5 V DC pulse detection (voltage
supplied by PCB)
Continuous current
Domestic hot water pump
Domestic hot water pump output
Electrical meters
For safety thermostat
Inrush current
Maximum load
Normally closed
Normally open
Safety thermostat contact:
16 V DC detection (voltage
supplied by PCB)
Shut-off valve
Switch box
English
(7) Option PCBs
Alarm output
Changeover to ext. heat source
Max. load
Min. load
Only for ***
Only for demand PCB option
Only for digital I/O PCB option
Only if no ***
Options: boiler output, alarm
output
Options: bottom plate heater OR
On/OFF output
Outdoor unit
Power limitation digital inputs: 12
V DC / 12 mA detection (voltage
supplied by PCB)
Space C/H On/OFF output
Switch box
To bottom plate heater
(8) External On/OFF thermostats
and heat pump convector
Additional LWT zone
Main LWT zone
Only for external sensor (floor/
ambient)
Only for heat pump convector
Only for wired thermostat
Only for wireless thermostat
ERLQ004~008CA + EHVH04+08SU18+26CB6W
Translation
(7) Option PCBs
Alarm output
Changeover to external heat
source
Maximum load
Minimum load
Only for ***
Only for demand PCB option
Only for digital I/O PCB option
Only if no ***
Options: boiler output, alarm
output
Options: bottom plate heater OR
On/OFF output
Outdoor unit
Power limitation digital inputs:
12 V DC / 12 mA detection
(voltage supplied by PCB)
Space cooling/heating On/OFF
output
Switch box
To bottom plate heater
(8) External On/OFF thermostats
and heat pump convector
Additional leaving water
temperature zone
Main leaving water temperature
zone
Only for external sensor (floor or
ambient)
Only for heat pump convector
Only for wired thermostat
Only for wireless thermostat
Daikin Altherma – Low temperature split
4P449978-1B – 2018.07