Daikin EHYHBH05AAV3 Service Manual page 37

ESIE13-02A
For the description of each part number, refer to the table below (note that the options that go together
with the hybrid are the same options as those for Altherma LT):
Part number
A1P
A2P
A3P
A3P
A3P
A4P
A4P
A8P
B1L
DS1 (A8P)
F1U, F2U
FU1
K*R
M1P
M2P
M2S
M3S
M4S
PHC1
PS
Q*DI
R1T (A1P)
R1T (A2P)
R1T (A3P)
R2T (A1P)
R2T (A4P)
R3T (A1P)
R4T (A1P)
R5T (A1P)
R6T (A1P)
R1H (A3P)
S1S
S2S
S3S
S6S-S9S
SS1 (A4P)
TR1, TR2
X*M
X*Y
*: optional
#: field supply
Description
Main PCB (hydro)
User interface PCB
* ON/OFF thermostat
* Heat pump convector
* Solar pumpstation PCB
* Digital I/O PCB
* Receiver PCB (wireless ON/OFF thermostat, PC= power circuit)
* Demand PCB
Flow sensor
* Dipswitch
* Fuse 5 A 250 V for digital I/O PCB (A4P)
Fuse T 6.3 A 250 V for main PCB (A1P)
Relay on PCB
Main water supply pump
# Domestic hot water pump
# 2-way valve for cooling mode
3-way valve for floor heating / domestic hot water tank
Bypass valve gas boiler
* Optocoupler input circuit
Switching power supply
# Earth leakage circuit breaker
Outlet water heat exchanger thermistor
Ambient sensor user interface
* Ambient sensor ON/OFF thermostat
Outlet gas boiler thermistor
* External sensor (floor or ambient)
Refrigerant liquid side thermistor
Inlet water thermistor
* Domestic hot water thermistor
* External indoor or outdoor ambient thermistor
* Humidity sensor
# Preferential kWh rate PS contact
# Electrical meter pulse input
# Gas meter pulse input
# Digital power limitation inputs
* Selector switch
Power supply transformer
Terminal strip
Connector
37
Wiring Diagrams
Part 1 – System Outline
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5