Daikin EPRA16DAW1 Installer's Reference Manual page 247

EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
M3S
PC (A15P)
PHC1 (A4P)
Q4L
Q*DI
R1H (A2P)
R1T (A2P)
R2T (A2P)
R5T
R6T
S1S
S2S
S3S
S6S~S9S
SS1 (A4P)
TR1
X6M
X7M, X8M
X*, X*A, X*Y, Y*
X*M
* Optional
# Field supply
Translation of text on wiring diagram
English
(1) Main power connection
For preferential kWh rate power supply For preferential kWh rate power supply
Indoor unit supplied from outdoor
Normal kWh rate power supply
Only for normal power supply
(standard)
Only for preferential kWh rate power
supply (outdoor)
Outdoor unit
Preferential kWh rate power supply
contact: 16 V DC detection (voltage
supplied by PCB)
SWB
Use normal kWh rate power supply for
indoor unit
(2) Backup heater power supply
# 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
# Electricity meter pulse input 1
# Electricity meter pulse input 2
* Digital power limitation inputs
* Selector switch
Power supply transformer
# Backup heater power supply terminal strip
# Booster heater power supply terminal strip
Connector
Terminal strip
(1) Main power connection
Indoor unit supplied from outdoor
Normal kWh rate power supply
Only for normal power supply
(standard)
Only for preferential kWh rate power
supply (outdoor)
Outdoor unit
Preferential kWh rate power supply
contact: 16 V DC detection (voltage
supplied by PCB)
Switch box
Use normal kWh rate power supply for
indoor unit
(2) Backup heater power supply
15 Technical data
|
Translation
Installer reference guide
247