Daikin EKHWET90BAV3, Installation Manual

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10 Technical data
Installation manual
21
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680074-1 – 2021.11
10.2 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
X*M Terminal strip
(3) Notes (3) Notes
X1M, X2M Field wiring terminal for AC
X4M Booster heater power supply
terminal strip client
X5M Field wiring terminal for DC
X8M Booster heater power supply
terminal strip
Earth wiring
Field supply
Option
Not mounted in switch box
Wiring depending on model
PCB
Note 1: Connection point of the
power supply for the BSH should
be foreseen outside the unit Note 1: Connection point of the
power supply for the booster
heater should be foreseen
outside the unit.
(4) Switch box layout (4) Switch box layout
SWB Switch box