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Technical data
Installer reference guide
282
K5M
K*R (A1P-A4P)
M2P
M2S
M3S
PC (A15P)
PHC1 (A4P)
Q4L
Q*DI
R1H (A2P)
R1T (A2P)
R2T (A2P)
R5T
R6T
S1S
S2S
S3S
S4S
S6S~S9S
S10S-S11S
SS1 (A4P)
TR1
X6M
X6M
X7M, X8M
X10M
X*, X*A, J*, X*Y*, Y*
X*M
* Optional
# Field supply
Translation of text on wiring diagram
English
(1) Main power connection
For HP tariff
Indoor unit supplied from outdoor
Normal kWh rate power supply
Only for normal power supply
(standard)
Safety contactor backup heater
Relay on PCB
# Domestic hot water pump
# 2-way valve for cooling mode
* 3-way valve for floorheating/domestic hot water
* Power circuit
* Optocoupler input circuit
# Safety thermostat
# Earth leakage circuit breaker
* Humidity sensor
* Ambient sensor ON/OFF thermostat
* External sensor (floor or ambient)
* Domestic hot water thermistor
* External indoor or outdoor ambient thermistor
# Preferential kWh rate power supply contact
# Electrical meter pulse input 1
# Electrical meter pulse input 2
# Smart Grid feed-in
* Digital power limitation inputs
# Low voltage Smart Grid contact
* Selector switch
Power supply transformer
# Backup heater power supply terminal strip
* Booster heater power supply connector
Booster heater power supply terminal strip
* Smart Grid power supply terminal strip
Connector
Terminal strip
(1) Main power connection
For heat pump tariff
Indoor unit supplied from outdoor
Normal kWh rate power supply
Only for normal power supply
(standard)
Translation
EPRA14~18D + ETBH/X16E
Daikin Altherma 3 H HT W
4P644736-1D – 2023.10
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