Daikin Altherma EHVZ04S18CB, Installation Manual

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8 Technical data
Installation manual
24
EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1D – 2017.04
X*M Terminal strip
* = Optional
# = Field supply
Translation of text on wiring diagram
English Translation
3 wire type SPST 3 wire type SPST
Add. LWT zone Additional leaving water
temperature zone
Alarm output Alarm output
Anode Anode
Continuous Continuous current
Demand PCB Demand PCB
DHW pump Domestic hot water pump
DHW pump output Domestic hot water pump output
Digital I/O PCB Digital I/O PCB
Electric pulse meter inputs: 12 V
DC pulse detection (voltage
supplied by PCB) Electric pulse meter inputs: 12 V
DC pulse detection (voltage
supplied by PCB)
Ext. ambient sensor option
(indoor or outdoor) External ambient sensor option
(indoor or outdoor)
Ext. heat source External heat source
For preferential kWh rate power
supply For preferential kWh rate power
supply
For safety thermostat For safety thermostat
Heat pump convector Heat pump convector
Indoor unit supplied from outdoor Indoor unit supplied from outdoor
Inrush Inrush current
Main LWT zone Main leaving water temperature
zone
Max. load Maximum load
Min. load Minimum load
NC valve Normal closed valve
NO valve Normal open valve
Normal kWh rate power supply Normal kWh rate power supply
Only for *** Only for ***
Only for demand PCB option Only for demand PCB option
English Translation
Only for digital I/O PCB option Only for digital I/O PCB option
Only for ext. sensor (floor or
ambient) Only for external sensor (floor or
ambient)
Only for normal power supply
(standard) Only for normal power supply
(standard)
Only for preferential kWh rate
power supply (outdoor) Only for preferential kWh rate
power supply (outdoor)
Only for wired On/OFF
thermostat Only for wired On/OFF
thermostat
Only for wireless On/OFF
thermostat Only for wireless On/OFF
thermostat
Only if no *** Only if no ***
Options: boiler output, alarm
output Options: boiler output, alarm
output
Options: bottom plate heater OR
On/OFF output Options: bottom plate heater OR
On/OFF output
Outdoor unit Outdoor unit
Power limitation digital inputs: 12
V DC / 12 mA detection (voltage
supplied by PCB) Power limitation digital inputs:
12 V DC / 12 mA detection
(voltage supplied by PCB)
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB) Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Remote user interface Remote user interface
Safety thermostat Safety thermostat
Safety thermostat contact: 16 V
DC detection (voltage supplied
by PCB) Safety thermostat contact:
16 V DC detection (voltage
supplied by PCB)
Shut-off valve Shut-off valve
Space C/H On/OFF output Space cooling/heating On/OFF
output
Switch box Switch box
To bottom plate heater To bottom plate heater
Use normal kWh rate power
supply for indoor unit Use normal kWh rate power
supply for indoor unit
User interface User interface