16 | Technical data
Installer reference guide
273
EPRA08~12EAV3+W1 + ETVH12SU18+23EA6V
Daikin Altherma 3 H MT F
4P644482-1 – 2021.03
R10T Thermistor (leaving water)
R11T Thermistor (fin)
RC (A2P) Signal receiver circuit
S1NPH High pressure sensor
S1PH, S2PH High 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, X2M 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
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