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17.1.2
Wiring diagram: Outdoor unit
See the internal wiring diagram supplied with the unit (on the inside of the front plate). The abbreviations used are listed below.
Outdoor unit: hydro module
(1) Connection diagram
English
Connection diagram
Bivalent
Boiler box
Bottom plate heater option
Continuous
DHW pump
DHW pump output
External outdoor ambient sensor
option
Hydro switch box
Indoor
Inrush
LAN adapter
Max. load
Normal kWh rate power supply
Only for dedicated gas boiler
Only for third-party gas boiler
Outdoor
Remote user interface
(2) Hydro switch box layout
English
Hydro switch box layout
(3) Notes
English
Notes
User installed options
LAN adapter
Main supply pump
Ext outdoor thermistor
Bottom plate heater
X2M
15
1
1
Colours: BLK: black; RED: red; BLU: blue; WHT: white; GRN:
green; ORG: orange; YLW: yellow; GRY: grey; BRN: brown
(4) Legend
Legend
Legend
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
Translation
Connection diagram
Bivalent signal
Boiler box
Bottom plate heater
Continuous current
Domestic hot water pump
Domestic hot water pump output
External outdoor temperature
sensor
Hydro switch box
Indoor
Inrush current
LAN adapter
Maximum load
Normal kWh rate power supply
Only in case of
NHY2KOMB28+32AA gas boiler
Only in case of third-party gas
boiler
Outdoor
User interface
Translation
Hydro switch box layout
Translation
Notes
User installed options
LAN adapter
Main supply pump (= external
pump)
External outdoor temperature
sensor
Bottom plate heater
Main terminal
Earth wiring
Wire number 15
Field supply
Several wiring possibilities
Option
Wiring depending on model
Switch box
PCB
A1P
Main PCB
A13P
* LAN adapter
A14P
# User interface PCB
E2H
* Bottom plate heater
FU3
* Fuse
M1P
* Main supply pump (= external pump)
M2P
# Domestic hot water pump
Q1DI
# Earth leakage circuit breaker
R6T
* External outdoor temperature sensor
X*A
Connector
X*M
Terminal strip
*
Optional
#
Field supply
Outdoor unit: compressor module
(1) Connection diagram
English
Connection diagram
Hydro switch box
Outdoor
(2) Layout
English
Layout
(3) Notes
English
Notes
X1M
NOTES:
1
When operating, do not short-circuit protection device S1PH.
2
Colours: BLK: black; RED: red; BLU: blue; WHT: white; GRN:
green; ORG: orange; YLW: yellow; GRY: grey; BRN: brown
(4) Legend
Legend
Legend
C7 (PCB1)
Capacitor
DB1 (PCB1)
Rectifier bridge
E1, E2 (PCB1)
Connector
FU1 (PCB1)
Fuse T 3.15 A 250 V
FU2 (PCB1)
Fuse T 3.15 A 250 V
FU3 (PCB1)
Fuse T 20 A 250 V
H*1 (PCB1)
Connector
IPM1 (PCB1)
Intelligent power module
MRCW (PCB1)
Magnetic relay (Y1S)
17 Technical data
Translation
Connection diagram
Hydro switch box
Outdoor
Translation
Layout
Translation
Notes
Connection
Main terminal
Earth wiring
Field supply
Protective earth
Option
Switch box
PCB
Wiring depending on model
Earth
Installer reference guide
95
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