Daikin Altherma EHYKOMB33AA - Page 239

17 | Technical data
Installer reference guide
239
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
A3P * Heat pump convector
A3P * Solar pump station PCB
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 # 2-way valve for cooling mode
M3S 3-way 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 gas boiler thermistor
R2T (A4P) * External sensor (floor or ambient)
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
S4S # Safety thermostat
S6S~S9S # Digital power limitation inputs
SS1 (A4P) * Selector switch
TR1, TR2 Power supply transformer
X*M Terminal strip
X*Y Connector