Wiring Diagram: Indoor Unit - Daikin Altherma 3 GEO Series Installer's Reference Manual

16.2

Wiring diagram: Indoor unit

See the internal wiring diagram supplied with the unit (on the inside of the front panel). The abbreviations used are listed below.
Notes to go through before starting the unit
English
Notes to go through before
starting the unit
X1M
X2M
X5M
15
** /12.2
1
Backup heater power supply
1N~, 230 V, 3/6 kW
3N~, 400 V, 6/9 kW
User installed options
Remote user interface
Ext. indoor thermistor
Digital I/O PCB
Demand PCB
Brine low pressure switch
Main LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Add LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Position in switch box
English
Position in switch box
Legend
A1P Main PCB (hydro)
A2P * User interface PCB
A3P * On/OFF thermostat
A3P * Heat pump convector
A4P * Digital I/O PCB
A4P * Receiver PCB (Wireless On/OFF
thermostat, PC=power circuit)
A6P Backup heater control PCB
A7P Inverter PCB
A8P * Demand PCB
EGSAH/X06+10DA9W(G)
Daikin Altherma 3 GEO
4P569820-1A – 2019.09
Translation
Notes to go through before
starting the unit
Main terminal
Field wiring terminal for AC
Field wiring terminal for DC
Earth wiring
Wire number 15
Field supply
Connection ** continues on page
12 column 2
Several wiring possibilities
Option
Mounted in switch box
Wiring depending on model
PCB
Backup heater power supply
1N~, 230 V, 3/6 kW
3N~, 400 V, 6/9 kW
User installed options
Remote user interface (Human
Comfort Interface)
External indoor thermistor
Digital I/O PCB
Demand PCB
Brine low pressure switch
Main leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor
Heat pump convector
Additional leaving water
temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor
Heat pump convector
Translation
Position in switch box
A15P LAN adapter
A16P ACS digital I/O PCB
CN* (A4P) * Connector
CT* * Current sensor
DS1 (A8P) * DIP switch
F1B # Overcurrent fuse
F1U~F2U(A4P) * Fuse (5 A, 250 V)
F2B # Overcurrent fuse compressor
K*R (A4P) Relay on PCB
K9M Thermal protector backup heater relay
M2P # Domestic hot water pump
M2S # Shut-off valve
M3P # Drain pump
PC (A4P) * Power circuit
PHC1 (A4P) * Optocoupler input circuit
Q*DI # Earth leakage circuit breaker
Q1L Thermal protector backup heater
Q4L # Safety thermostat
R1T (A2P) * Thermistor (ambient temperature of the user
interface (Human Comfort Interface))
R1T (A3P) * Thermistor (ambient temperature of the On/
OFF thermostat)
R1T (A7P) Thermistor (outdoor ambient temperature)
R2T (A3P) * Thermistor (floor temperature or indoor
ambient temperature)
(in case of wireless On/OFF thermostat)
R6T (A1P) * Thermistor (indoor ambient temperature)
(in case of external indoor ambient
thermistor)
R1H (A3P) * Humidity sensor
S1L # Low level switch
S1PL # Brine low pressure switch
S1S # Preferential kWh rate power supply contact
S2S # Electricity meter pulse input 1
S3S # Electricity meter pulse input 2
S6S~S9S # Digital power limitation inputs
SS1 (A4P) * Selector switch
TR1, TR2 Power supply transformer
X*A Connector
X*M Terminal strip
X*Y Connector
Z*C Noise filter (ferrite core)
* Optional
# Field supply
Translation of text on wiring diagram
English
(1) Main power connection
For preferential kWh rate power
supply
Normal kWh rate power supply
Only for preferential kWh rate
power supply with separate
normal kWh rate power supply
16 Technical data
Translation
(1) Main power connection
For preferential kWh rate power
supply
Normal kWh rate power supply
Only for preferential kWh rate
power supply with separate
normal kWh rate power supply
Installer reference guide
99