Wiring Diagram: Outdoor Unit - Daikin ERGA04DAV3A Installer's Reference Manual

14.3

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)
Final English - Tanslations in progress
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA
Daikin Altherma – Low temperature split
4P495248-1 – 2017.12
Translation
Connection diagram
Translation
Notes
Connection
Main terminal
Earth wiring
Field supply
Option
Switch box
PCB
Wiring depending on model
Protective earth
Field wire
R3T Thermistor (discharge)
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
* Optional
# Field supply
14 Technical data
Installer reference guide
91