Daikin R32 Split Series - Wiring Diagram: Indoor Unit

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