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 (30 mA) (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
