Wiring Diagram: Indoor Unit - Daikin ERLA14D V3 Series Installer's Reference Manual

17.5 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.
ERLA11~16D + EBSH/X(B)11+16P30+50D
Daikin Altherma 3 R ECH₂O
4P663482-1C – 2023.05
Notes to go through before starting the unit
English
Notes to go through before starting
the unit
X1M
X12M
X15M
X6M
1
Backup heater power supply
3V (1N~, 230 V, 3 kW)
6V (1N~, 230 V, 6 kW)
6WN/9WN (3N~, 400 V, 6/9 kW)
User installed options
Backup heater
Remote user interface
Ext. indoor thermistor
Ext outdoor thermistor
Demand PCB
Smartgrid kit
WLAN adapter module
WLAN cartridge
Bizone mixing kit
Safety thermostat
Main LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
17
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Translation
Notes to go through before starting the
unit
Main terminal
Field wiring terminal for AC
Field wiring terminal for DC
Backup heater power supply terminal
Earth wiring
Field supply
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Backup heater power supply
3V (1N~, 230 V, 3 kW)
6V (1N~, 230 V, 6 kW)
6WN/9WN (3N~, 400 V, 6/9 kW)
User installed options
Backup heater
Dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat)
External indoor thermistor
External outdoor thermistor
Demand PCB
Smart grid kit
WLAN adapter module
WLAN cartridge
Bizone mixing kit
Safety thermostat
Main leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor
Technical data
Installer reference guide
293