Wiring Diagram: Outdoor Unit - Daikin Altherma 3 H HT Series Installation Manual

8.2

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the switch box cover.
English
Electronic component assembly
Front side view
Indoor
OFF
ON
Outdoor
Position of compressor terminal
Position of elements
Rear side view
Right side view
See note ***
Notes:
1 Symbols:
L Live
N Neutral
Protective earth
Noiseless earth
Field wiring
Option
Terminal strip
Terminal
Connector
Connection
2 Colours:
BLK Black
RED Red
BLU Blue
WHT White
GRN Green
YLW Yellow
PNK Pink
ORG Orange
GRY Grey
BRN Brown
3 This wiring diagram applies only to the outdoor unit.
4 When operating, do not short-circuit protective devices S1PH,
S2PH and S1PL.
5 Refer to the combination table and the option manual for how
to connect the wiring to X6A, X41A and X2M.
6 The factory setting of all switches is OFF, do not change the
setting of the selector switch (DS1).
7 (only for W1 models)
Ferrite core Z8C consists of 2 separate core parts.
Legend in case of V3 models:
A1P Printed circuit board (main)
A2P Printed circuit board (noise filter)
A3P Printed circuit board (leakage current)
A4P Printed circuit board (ACS)
A5P Printed circuit board (flash)
EPRA14~18DAV3+W1
Daikin Altherma 3 H HT
4P586100-1B – 2019.09
Translation
Electronic component assembly
Front side view
Indoor
OFF
ON
Outdoor
Position of compressor terminal
Position of elements
(only for W1 models)
Rear side view
Right side view
See note ***
BS1~BS4 (A1P) Push button switch
C1~C4 (A1P, A2P) Capacitor
DS1 (A1P) DIP switch
E1H Drain tube heater (field supply)
E1HHEX~E3HHEX Plate heat exchanger heaters
F1U Field fuse (field supply)
F1U~F4U (A2P) Fuse
F6U (A1P) Fuse (T 5.0 A / 250 V)
H1P~H7P (A1P) Light-emitting diode (service monitor is
orange)
HAP (A1P) Light-emitting diode (service monitor is
green)
K1R (A1P) Magnetic relay (Y1S)
K1R (A4P) Magnetic relay (E1HHEX~E3HHEX)
K2R (A1P) Magnetic relay (Y2S)
K2R (A4P) Magnetic relay (E1H)
K3R (A1P) Magnetic relay (Y3S)
K4R (A1P) Magnetic relay (E1HC)
K10R (A1P) Magnetic relay
K11M (A1P) Magnetic contactor
K13R~K15R (A1P, Magnetic relay
A2P)
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, distributor)
R5T Thermistor (air heat exchanger, middle)
R6T Thermistor (refrigerant liquid)
R7T Thermistor (compressor shell)
R8T Thermistor (compressor port)
R9T Thermistor (entering water)
R10T Thermistor (leaving water)
R11T Thermistor (fin)
RC (A2P) Signal receiver circuit
S1NPH High pressure sensor
S1PH, S2PH High pressure switch
S1PL Low pressure switch
T1A Current transfo
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)
8 Technical data
Installation manual
17