11 Technical data
Installation manual
39
EWAA004~008D2 + EWYA004~008D2
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688014-1A – 2022.05
11.2
Wiring diagram: Outdoor unit
Compressor module
See the internal wiring diagram supplied with the unit (on the inside
of the top plate). The abbreviations used are listed below.
Translation of text on wiring diagram:
English
Translation
(1) Connection diagram
(1) Connection diagram
Outdoor
Outdoor
Hydro
Hydro module
(2) Notes
(2) Notes
Connection
X1M
Main terminal
Earth wiring
Field supply
Option
Wiring depending on model
Switch box
PCB
Protective earth
Field wire
(3) Legend
(3) Legend
*: Optional; #: Field supply
A1P
Hydro kit main PCB
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 A
Pilot lamp
L*
Reactor
M1C
Compressor motor
M1F
Fan motor
MR*
Magnetic relay
N
Connector
PCB1
Printed circuit board (main)
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)
RTH2
Resistor
S
Connector
S1PH
High pressure switch
S2~80
Connector
English
Translation
SA1
Surge arrestor
SHM
Terminal strip fixed plate
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
NOTES:
1
When operating, do not short-circuit protection device(s)
S1PH and Q1L.
2
Colours: BLK: black; RED: red; BLU: blue; WHT: white; GRN:
green; YLW: yellow
Hydro module
The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Translation of text on wiring diagram:
English
Translation
(1) Connection diagram
(1) Connection diagram
Hydro
Hydro module
Outdoor
Outdoor
1N~, 230 V, 3/6 kW
1N~, 230 V, 3 kW or 6 kW
3N~, 400 V, 6/9 kW
3N~, 400 V, 6 kW or 9 kW
2-point SPST valve
2-point SPST valve
Booster heater power supply
Booster heater power supply
Compressor switch box
Compressor switch box
External BUH
External backup heater
For DHW tank option (only *** )
For DHW tank option (only ***)
For external BUH option
For external backup heater
option
For normal power supply
(standard)
For normal power supply
(standard)
For preferential kWh rate power
supply (outdoor)
For preferential kWh rate power
supply (outdoor)
Hydro SWB power supplied from
compressor SWB
Hydro switch box power supplied
from compressor switch box
Normal kWh rate power supply
Normal kWh rate power supply
SWB
Switch box
Use normal kWh rate power
supply for hydro SWB
Use normal kWh rate power
supply for hydro switch box
(2) Hydro SWB layout
(2) Hydro switch box layout
For external BUH model
For external backup heater
model
For internal BUH model
For internal backup heater model
Rear
Rear
(3) Notes
(3) Notes
X1M
Main terminal
X2M
Field wiring terminal for AC
X3M
External backup heater terminal
X4M
Booster heater power supply
terminal
X5M
Field wiring terminal for DC
Содержание EWAA004D2V3P
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