Wiring Diagram: Indoor Unit - Daikin R32 Split Series Installer's Reference Manual

15.2 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.
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680077-1 – 2021.11
Legend
A1P
F2B
FU1 (A1P)
K3M
Q1DI
TR1
X4M
X8M
X*, X*A, X*B
X*M
* Optional
# Field supply
Translation of text on wiring diagram
English
(1) Connection diagram
Compressor switch box
Multi+DHW Tank switch box
Indoor
Outdoor
SWB
(2) Legend
A1P
F2B
FU1 (A1P)
K3M
Q1DI
TR1
X4M
X8M
X*, X*A, X*B
Main PCB
# Overcurrent fuse booster heater
Fuse (5 A 250 V for PCB)
Contactor booster heater
# Earth leakage circuit breaker
Power supply transformer
# Booster heater power supply terminal strip client
Booster heater power supply terminal strip
Connector
Terminal strip
(1) Connection diagram
Compressor switch box
Multi domestic hot water tank switch
box
Indoor
Outdoor
Switch box
(2) Legend
Main PCB
Overcurrent fuse booster heater
fuse (5 A 250 V for PCB)
Contactor booster heater
Earth leakage circuit breaker
Power supply transformer
Booster heater power supply terminal
strip client
Booster heater power supply terminal
strip
Connector
15 Technical data
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Translation
Installer reference guide
109