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Technical data
Installer reference guide
197
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
16.4 Wiring diagram: Indoor unit
See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The
abbreviations used are listed below.
Notes to go through before starting the unit
English
Translation
Notes to go through before starting
the unit
Notes to go through before starting the
unit
X1M
Main terminal
X2M
Field wiring terminal for AC
X5M
Field wiring terminal for DC
X6M
Backup heater power supply terminal
Earth wiring
Field supply
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Note 1: Connection point of the power
supply for the BUH should be foreseen
outside the unit.
Note 1: Connection point of the power
supply for the backup heater should be
foreseen outside the unit.
Backup heater power supply
Backup heater power supply
3V (1N~, 230 V, 3 kW)
3V (1N~, 230 V, 3 kW)
User installed options
User installed options
LAN adapter
LAN adapter
Remote user interface
Optional user interface
Ext. indoor thermistor
External indoor thermistor
Ext outdoor thermistor
External outdoor thermistor
Digital I/O PCB
Digital I/O PCB
Demand PCB
Demand PCB
Safety thermostat
Safety thermostat
Main LWT
Main leaving water temperature
On/OFF thermostat (wired)
ON/OFF thermostat (wired)
On/OFF thermostat (wireless)
ON/OFF thermostat (wireless)
Ext. thermistor
External thermistor
Heat pump convector
Heat pump convector
Add LWT
Additional leaving water temperature
On/OFF thermostat (wired)
ON/OFF thermostat (wired)
Содержание EHFZ03S18DJ3V
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