Daikin EHYHBH05AA Installation Manual page 23

A1P Main PCB (hydrobox)
A2P User interface PCB
A3P * Solar pump station PCB
A3P * On/OFF thermostat
A3P * Heat pump convector
A4P * Digital I/O PCB
A4P * Receiver PCB (Wireless On/OFF
thermostat, PC=power circuit)
A8P * Demand PCB
B1L Flow sensor
DS1 (A8P) * DIP switch
F1U, F2U * Fuse 5 A 250 V for digital I/O PCB (A4P)
FU1 Fuse T 6.3 A 250 V for main PCB (A1P)
K*R Relay on PCB
M1P Main water supply pump
M2P # Domestic hot water pump
M2S # 2­way valve for cooling mode
M3S 3­way valve for floor heating/domestic hot
water tank
M4S Bypass valve for gas boiler
PHC1 * Optocoupler input circuit
PS Switching power supply
Q*DI # Earth leakage circuit breaker
R1T (A1P) Outlet water heat exchanger thermistor
R1T (A2P) Ambient sensor user interface
R1T (A3P) * Ambient sensor On/OFF thermostat
R2T (A1P) Outlet gasboiler thermistor
R3T (A1P) Refrigerant liquid side thermistor
R4T (A1P) Inlet water thermistor
R5T (A1P) * Domestic hot water thermistor
R6T (A1P) * External indoor or outdoor ambient
thermistor
R1H (A3P) * Humidity sensor
S1S # Preferential kWh rate power supply contact
S2S # Electrical meter pulse input
S3S # Gas meter pulse input
S6S~S9S # Digital power limitation inputs
SS1 (A4P) * Selector switch
TR1, TR2 Power supply transformer
X*M Terminal strip
X*Y Connector
* = Optional
# = Field supply
EHYHBH05AAV3 + EHYHBH/X08AAV3
Daikin Altherma hybrid heat pump – heat pump module
4P349587­1C – 2013.10
Notes to go through before starting the unit
X1M
X2M
X5M
/12.2
**
1
8 Technical data
Indoor/outdoor communication
Field wiring terminal for AC
Field wiring terminal for DC
Earth wiring
Field supply
Connection ** continues on page
12 column 2
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Installation manual
23