Daikin Altherma EJHA04AAV3 Installation Manual page 31
Hybrid monobloc heat pump module
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Also See for Altherma EJHA04AAV3:
- Installer's reference manual (112 pages) ,
- Operation manual (16 pages) ,
- User reference manual (60 pages)
Table of Contents
H*1 (PCB1)
Connector
IPM1 (PCB1)
Intelligent power module
MRCW (PCB1)
Magnetic relay (Y1S)
MRM*, MR30
Magnetic relay
(PCB1)
M1C
Compressor motor
M1F
Fan motor
PAM (PCB1)
Pulse-amplitude modulation
PCB1
Printed circuit board (main)
PS (PCB1)
Switching power supply
Q1L
Thermal protector
R1T
Thermistor (outdoor air)
R2T
Thermistor (heat exchanger)
Electrical connection diagram in case of *HY2KOMB28+32AA gas boiler
For more details, please check the unit wiring.
TYPICAL CONFIGURATION
OUTDOOR
INDOOR
Boiler
Power supply
unit power supply:
230 V + earth
FIELD SUPPLY
DHW PUMP
OPTIONAL PART
Bottom plate heater
Power supply
3 core
unit power supply:
230 V + earth
OPTIONAL PART
DOMESTIC HOT WATER TANK
R5T - thermistor water temperature
3-WAY VALVE
M3S (when tank is installed)
selection domestic hot water–floor heating
EJHA04AAV3
Daikin Altherma hybrid monobloc – Heat pump module
4P530607-1B – 2018.10
Notes:
- In case of signal cable: keep minimum distance to power cables >5 cm
- Available heaters: see combination table
-
- Field setting: [C-02]=0
Standard: 2 low voltage wires
2 low voltage wires
STANDARD PART
OUTDOOR UNIT - HYDRO
3 core
X2M: 1-2-3
3 core
X2M: 1-5-6
230V
A1P: X14A-earth
BOILER BOX
INDOOR
X2: 2-4-earth
X4: 9-10
signal
X2: 3-5-6
230 V
R3T
Thermistor (compressor discharge)
S1PH
High pressure switch
SA1 (PCB1)
Surge arrestor
S* (PCB1)
Connector
U, V, W (PCB1)
Connector
V* (PCB1)
Varistor
X11A
Connector
X*M
Terminal strip
Y1E
Electronic expansion valve
Y1S
Solenoid valve (4‑way valve)
Z*C
Noise filter (ferrite core)
Z1F (PCB1)
Noise filter
: field supplied
Only for EKRSCA1
X5M: 5-6
External outdoor temperature sensor
2 core
Only for EKRUHML*
2×0.75
X5M: 1-2
A14P: P1-P2 user interface
communication
2 core
2×0.75
communication
Only for BRP069*
A13P: P1-P2 LAN adapter
1
Only for EKRTW
(wired room thermostat)
2 core
A3P: X1M:
X4: 6-7
C-com-H
230 V
1
Only for EKRTR
(wireless room thermostat)
2 core
A4P:
X4: 6-7
X1M: H-com
230 V
1
Only for
(heat pump convector)
2 core
X4: 6-7
X11M: 5-6
230 V
9 Technical data
OPTIONAL PART
OPTIONAL PART
OPTIONAL PART
Only for EKRTETS
R2T External sensor
(floor or ambient)
A3P:
2 core
(3m included)
X1M: 1-3
signal
4D115768A
Installation manual
31
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