Daikin Sky Air Advance Series, Installation Manual

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7 Technical data
Installation manual
18
250D7Y1B
Sky Air Advance-series
4P573384-1 – 2019.04
7.3 Wiring diagram: Outdoor unit
The wiring diagram is delivered with the unit, located at the inside of
the service cover.
(1) Connection diagram
English Translation
Connection diagram Connection diagram
Only for *** Only for ***
See note *** See note ***
Outdoor Outdoor
Indoor Indoor
Upper EEV Upper electronic expansion valve
Lower EEV Lower electronic expansion valve
Fan Fan
ON ON
OFF OFF
(2) Layout
English Translation
Layout Layout
Front Front
Left Left
Back Back
Position of compressor terminal Position of compressor terminal
(3) Notes
English Translation
Notes Notes
Connection
X1M Indoor/outdoor communication
Earth wiring
Field supply
Protective earth
Field wire
Wiring depending on model
Option
Switch box
PCB
NOTES:
1 Refer to the wiring diagram sticker (on the back of the front
plate) for how to use the BS1~BS3 and DS1+DS2 switches.
2 When operating, do not short-circuit protective devices S1PH
and S1PL.
3 Refer to the combination table and the option manual for how
to connect the wiring to X6A, X15A and X77A.
4 Colours: BLK: black, RED: red, BLU: blue, WHT: white, GRN:
green
(4) Legend
English Translation
Legend Legend
Optional Optional
Part n° Part n°
Description Description
A1P Printed circuit board (main)
A2P Printed circuit board (noise filter)
A3P Printed circuit board (inverter)
A4P Printed circuit board (fan)
A5P * Printed circuit board (demand)
C503, C506 C507
(A3P) Capacitor
DS1,DS2 (A1P) DIP switch
E1H * Bottom plate heater
E1HC Crankcase heater
F1U (A1P) Fuse (T 3.15 A 250 V)
F8U, F9U * Fuse (F)
F101U (A4P) Fuse
F101U, F102U (A2P) Fuse
F601U (A3P) Fuse
HAP (A1P, A3P,
A4P) LED (service monitor is green)
K1R (A1P) Magnetic relay (Y2S)
K3R (A3P) Magnetic relay
K3R (A1P) Magnetic relay (Y3S)
K5R (A1P) Magnetic relay (E1HC)
K7R (A1P) Magnetic relay (E1H)
L1R Reactor
M1C Compressor motor
M1F Fan motor
PS (A1P,A3P) Switching power supply
Q1DI Earth leakage circuit breaker
Q1LD (A1P) Earth current detector
R1T (A1P) Thermistor (air)
R2T Thermistor (discharge pipe)
R3T Thermistor (suction pipe)
R4T Thermistor (heat exchanger exit)
R5T Thermistor (heat exchanger branch)
R6T Thermistor (liquid pipe)
R7T Thermistor (M1C body)
R24 (A4P) Resistor (current sensor)
R300 (A3P) Resistor (current sensor)
S1PH High pressure switch
S1PL Low pressure switch
SEG1~SEG3 (A1P) 7‑segment display
T1A Current sensor
V1D (A3P) Diode
V1R (A3P, A4P) Diode module
X*A Connector
X*M Terminal block
Y1E Electronic expansion valve (main)
Y2E Electronic expansion valve (injection)
Y2S Solenoid valve (4‑way valve)
Y3S Solenoid valve (pressure equalization)
Z*C Noise filter (ferrite core)
Z1F Noise filter