Daikin Altherma HT Service Manual

ESIE09-08B Wiring Diagrams
Appendix 231
Legend
Part number Description
B1PH High pressure sensor
B1PL Low pressure sensor
BS1 - BS4 (A9P) Push button
C1 Capacitor
C2 - C3 Filter capacitor
C1 - C3 (A4P) PCB capacitor
DS1 (A*P) Dipswitch
E7H * Bottom plate heater (only in combinatio
n with ER
RQ* outdoor unit or
ERSQ* outdoor unit with option EKBPHTH16A)
E1HC Crankcase heater
F1U (A1P, A3P) Fuse (T, 3.15A, 250V)
F1U (A6P) Fuse (T, 6.3A, 250V)
F1U - F2U (A7P) * Fuse (5A, 250V)
F3U - F4U Fuse (T, 6.3A, 250V)
H1P - H7P (A9P) PCB LED
HAP (A*P) PCB LED
IPM1 Integrated power module
K1A Interface relay
K1E Electronic expansion valve
K2E Electronic expansion valve
K*R (A*P) PCB relay
K1S * 3-way valve
K2S 2-way valve
M1C Compressor
M1F - M2F Switchbox cooling fan
M1P DC inverter pump
PC (A11P) * Power circuit
PHC1 Optocoupler input circuit
PS (A*P) Switching power supply
Q1DI - Q2DI # Earth leakage protector
Q2L Thermal protector water piping
R1 - R2 (A4P) Resistance
R1L Reactor
RC (A*P) Receiver circuit
S1PH High pressure switch
S1S # Benefit kWh rate power supply contact
S3S # Mixing station input 1
S4S # Mixing station input 2
SS1 (A1P) Selector switch (emergency)
SS1 (A2P) Selector switch (ma
st
er slave)
SS1 (A7P) * Selector switch
TC (A*P) Transmitter circuit
T1R - T2R (A*P) Diode bridge
T3R Power module
V1C - V8C Ferrite core noise filter
X1M - X3M Terminal strip
X*M (A*P) * Terminal strip on PCB

Daikin Altherma HT Specifications

General

Type	Air-to-water heat pump
Refrigerant	R-410A
Water Outlet Temperature	Up to 80°C
Operating Temperature Range	-20°C to 35°C
Power Supply	3-phase, 400V
Energy Efficiency Class (Heating)	A++