9 Technical data
Installation manual
18
ERRA08~12E
Daikin Altherma 3 R MT
4P708481-1 – 2023.02
H1P~H7P (A1P) Light-emitting diode (service monitor is
orange)
HAP (A1P) Light-emitting diode (service monitor is
green)
K1R (A1P) Magnetic relay (Y1S)
K2R (A1P) Magnetic relay (Y2S)
K3R (A1P) Magnetic relay (Y3S)
K4R (A1P) Magnetic relay (Y4S)
K10R (A1P) Magnetic relay
K11M (A1P) Magnetic contactor
K13R~K15R (A1P,
A2P)
Magnetic relay
L1R~L3R (A1P) Reactor
M1C Compressor motor
M1F Fan motor
PS (A1P) Switching power supply
Q1DI Earth leakage circuit breaker (30mA) (field
supply)
R1~R5 (A1P, A2P) Resistor
R1T Thermistor (outdoor air)
R2T Thermistor (compressor discharge)
R3T Thermistor (compressor suction)
R4T Thermistor (air heat exchanger, liquid pipe)
R5T Thermistor (air heat exchanger, middle)
R7T Thermistor (injection)
R11T Thermistor (fin)
RC (A2P) Signal receiver circuit
S1NPH High pressure sensor
S1PH, S2PH High pressure switch
S1PL Low pressure switch
TC (A2P) Signal transmission circuit
V1D~V4D (A1P) Diode
V1R (A1P) IGBT power module
V2R (A1P) Diode module
V1T~V3T (A1P) Insulated Gate Bipolar Transistor (IGBT)
X1M Terminal strip
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
Y1S Solenoid valve (4‑way valve)
Y2S Solenoid valve (low pressure bypass)
Y3S Solenoid valve (hot gas bypass)
Y4S Solenoid valve (liquid injection)
Z1C~Z11C Noise filter (ferrite core)
Z1F~Z6F (A1P, A2P) Noise filter