Daikin ALTHERMA HT Service Manual page 235

ESIE09-08B
Legend
A1P Printed circuit board (main)
A2P Printed circuit board (service)
A3P Printed circuit board (noise filter)
BS1~BS5 Push button switch (mode, set, return, test,
reset)
C1~C4 Capacitor
DS1 Dip switch
E1HC Crankcase heater
E7H Bottom plate heater
F1U, F4U Fuse (T 6.3A / 250V)
F6U Fuse (T 5.0A / 250V)
F7U, F8U Fuse (F 1.0A / 250V)
FINTH Thermistor (fin)
H1P~H8P Light emit. diode (serv. monitor-orange)
[H2P] prepare. test --------- flickering
malfunction detection -- light up
HAP Light emitting diode
(A1P) (service monitor green)
K1M Magnetic contactor (M1C)
K1R Magnetic relay (Y1S)
K2R Magnetic relay (Y2S)
K3R Magnetic relay (Y3S)
K4R Magnetic relay (E1HC)
K5R Magnetic relay
L1R Reactor
M1C Motor (compressor)
M1F Motor (fan) (upper)
M2F Motor (fan) (lower)
PS Switching power supply
Notes
1 This wiring diagram only applies to the outdoor unit
2 L: live, N: neutral
3
4 Refer to the "Wiring diagram sticker" (on back of front plate)
5 Do not operate the unit by short-circuiting protection device
6 Colors: BLU = Blue, BRN = Brown, GRN = Green, RED =
7 Refer to the installation manual, for connection wiring to
8
Appendix
Field wiring
Terminal strip
Connection
Relay connector
Terminal
on how to use BS1~BS5 and DS1, DS2 switch
S1PH
Red, WHT = White, YLW = Yellow, ORG = Orange
indoor - outdoor transmission F1-F2
Option
Q1DI Field earth leakage breaker (300 mA)
R1 Resistor
R2 Resistor
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (heat exchanger)
R5T Thermistor (suction 2)
R6T Thermistor (subcooling h. ex)
R7T Thermistor (liquid pipe 1)
R8T Thermistor (liquid pipe 2)
S1NPH Pressure sensor (high)
S1NPL Pressure sensor (low)
S1PH Pressure switch (high)
V1R Power module
V2R, V3R Diode module
V1T IGBT
X1M Terminal strip (power supply)
X2M Terminal strip (control)
X1M Terminal strip (C/H selector) (A4P)
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool)
Y1S Solenoid valve (4 way valve)
Y2S Solenoid valve (hot gas)
Y3S Solenoid valve (U/L circuit)
Z1C~Z8C Noise filter (ferrity core)
Z1F~Z4F Noise filter
Connector
Protective earth (screw)
Noiseless earth
Wiring Diagrams
COMPONENT
LOCATION L1R
X37A
A2P
A3P
C4
A4P
HAP
X2M
A1P
(BACK)
(FRONT)
X1M
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