Daikin Altherma EHVZ04S18DA6V, Installation Manual

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8 Technical data
Installation manual
28
08S18+23DA
Daikin Altherma – Low temperature split
4P495245-1B – 2017.12
R2T (A1P) Outlet backup heater thermistor
R2T (A2P) * External sensor (floor or ambient)
R3T Refrigerant liquid side thermistor
R4T Inlet water thermistor
R5T, R8T Domestic hot water thermistor
R6T * External indoor or outdoor ambient
thermistor
R7T Mixed leaving water thermistor
S1S # Preferential kWh rate power supply contact
S2S # Electrical meter pulse input 1
S3S # Electrical meter pulse input 2
S6S~S9S * Digital power limitation inputs
SS1 (A4P) * Selector switch
SW1~2 (A12P) Turn buttons
SW3~5 (A12P) Push buttons
TR1 Power supply transformer
X6M # Backup heater power supply terminal strip
X*, X*A, X*Y, Y* Connector
X*M Terminal strip
* Optional
# Field supply
Translation of text on wiring diagram
English Translation
(1) Main power connection (1) Main power connection
For preferential kWh rate power
supply For preferential kWh rate power
supply
Indoor unit supplied from outdoor Indoor unit supplied from outdoor
Normal kWh rate power supply Normal kWh rate power supply
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)
Outdoor unit Outdoor unit
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)
SWB Switch box
Use normal kWh rate power
supply for indoor unit Use normal kWh rate power
supply for indoor unit
(2) Backup heater power supply (2) Backup heater power supply
Only for *** Only for ***
(3) User interface (3) User interface
Only for LAN adapter Only for the LAN adapter
Only for remote user interface
EKRUDAS Only for the user interface used
as room thermostat (EKRUDAS)
(5) Ext. thermistor (5) External thermistor
SWB Switch box
English Translation
(6) Field supplied options (6) Field supplied options
12 V DC pulse detection (voltage
supplied by PCB) 12 V DC pulse detection (voltage
supplied by PCB)
230 V AC supplied by PCB 230 V AC supplied by PCB
Continuous Continuous current
DHW pump output Domestic hot water pump output
DHW pump Domestic hot water pump
Electrical meters Electrical meters
For safety thermostat For safety thermostat
Inrush Inrush current
Max. load Maximum load
Normally closed Normally closed
Normally open Normally open
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
SWB Switch box
(7) Option PCBs (7) Option PCBs
Alarm output Alarm output
Changeover to ext. heat source Changeover to external heat
source
Max. load Maximum load
Min. load Minimum load
Only for demand PCB option Only for demand PCB option
Only for digital I/O PCB option Only for digital I/O PCB option
Options: ext. heat source output,
alarm output Options: external heat source
output, alarm output
Options: On/OFF output Options: On/OFF output
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)
Space C/H On/OFF output Space cooling/heating On/OFF
output
SWB Switch box
(8) External On/OFF thermostats
and heat pump convector (8) External On/OFF thermostats
and heat pump convector
Additional LWT zone Additional leaving water
temperature zone
Main LWT zone Main leaving water temperature
zone
Only for external sensor (floor/
ambient) Only for external sensor (floor or
ambient)
Only for heat pump convector Only for heat pump convector
Only for wired On/OFF
thermostat Only for wired On/OFF
thermostat
Only for wireless On/OFF
thermostat Only for wireless On/OFF
thermostat