Wiring Diagram: Outdoor Unit - Daikin altherma 3 R Instrucciones De Instalación

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6.2

Wiring diagram: Outdoor unit

See the internal wiring diagram supplied with the unit (on the inside of the top plate). The abbreviations used are listed below.
(1) Connection diagram
English
Connection diagram
(2) Notes
English
Notes
X1M
NOTES:
1
When operating, do not short-circuit protection device S1PH.
2
Refer to the combination table and the option manual for how
to connect the wiring to X6A, X28A and X77A.
3
Colours: BLK: black; RED: red; BLU: blue; WHT: white; GRN:
green; YLW: yellow
(3) Legend
AL*
Connector
C*
Capacitor
DB*
Rectifier bridge
DC*
Connector
DP*
Connector
E*
Connector
F1U
Fuse T 6.3 A 250 V
FU1, FU2
Fuse T 3.15 A 250 V
FU3
Fuse T 30 A 250 V
H*
Connector
IPM*
Intelligent power module
L
Connector
LED 1~5
Indication lamp
LED A
Pilot lamp
L*
Reactor
M1C
Compressor motor
M1F
Fan motor
MR*
Magnetic relay
N
Connector
PCB1
Printed circuit board (main)
PCB2
Printed circuit board (service)
PS
Switching power supply
Q1L
Thermal protector
Q1DI
# Earth leakage circuit breaker
Q*
Insulated gate bipolar transistor (IGBT)
R1T
Thermistor (air)
R2T
Thermistor (heat exchanger)
R3T
Thermistor (discharge)
ERGA04DAV37
Daikin Altherma 3 R
4P618926-1 – 2020.03
Translation
Connection diagram
Translation
Notes
Connection
Main terminal
Earth wiring
Field supply
Option
Switch box
PCB
Wiring depending on model
Protective earth
Field wire
RTH2
Resistor
S
Connector
S1PH
High pressure switch
S20~502
Connector
SA1
Surge arrestor
SHM
Terminal strip fixed plate
SW*
Push button
U, V, W
Connector
V3, V4, V401
Varistor
X*A
Connector
X*M
Terminal strip
Y1E
Electronic expansion valve
Y1S
Solenoid valve (4-way valve)
Z*C
Noise filter (ferrite core)
Z*F
Noise filter
#
Field supply
6 Technical data
Installation manual
13

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