Wiring Diagram: Indoor Unit - Daikin Altherma ERLQ004-006-008CA Reference Manual

14.6.2

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.
Position in switch box
Q1L
TR1
A1P
X5M
X6Y
A6P
A8P
A5P
A4P
User installed options:
Bottom plate heater
Remote user interface
External indoor thermistor
External outdoor thermistor
Digital I/O PCB
Demand PCB
Main leaving water temperature:
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor on On/OFF thermostat (wireless)
Heat pump convector
Safety thermostat
Additional leaving water temperature:
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor on On/OFF thermostat (wireless)
Heat pump convector
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
K1M
F1B
X2M
K2M K3M
X1M
14 Technical data
Installer reference guide
81