Wiring Diagram - Daikin REQ71B7V3B Technical Data Manual

7

Wiring diagram

7 - 1 Wiring diagram
37
7
REQ71-100B7V3B
A1P Printed circuit board
BS1 Push button (forced defrost-pump down)
C1R Capacitor (M1F)
C3R Capacitor (M1C)
DS1 DIP switch
E1HC Crankcase heater
F1U Fuse (T6.3/250V)
HAP Light emitting diode (service monitor green)
K1M Magnetic contactor (M1C)
K1R Magnetic relay (K1M)
K2R Magnetic relay (Y2S)
K3R Magnetic relay (E1HC)
K4R Magnetic relay (Y1S)
K5R,K6R,K7R Magnetic relay (M1F)
M1C Motor compressor
M1F Motor fan
PC Power circuit
Q1DI Earth leakage breaker (30mA)
Q1M Thermo switch (M1F)
R1T Thermistor (air)
R2T Thermistor (coil)
R3T Thermistor (discharge pipe)
RC Signal receiver circuit
S1PH Pressure switch (high)
S1LP Pressure switch (low)
SD Safety devices input
T1A Current transformer
TC Signal transmission circuit
X1M,X2M Terminal strip
Y1E Expansion valve (electronic type)
Y1S 4-way valve
Y2S Solenoid valve
CT Current transformer
Note:
Confirm the method of setting the DIP switch (DS1) by
service manual when the unit is shipped by factory all
switches are set to be off.
REQ71-100B7W1B
Switch box
(Outdoor)
Note:
Confirm the method of setting the DIP switch (DS1) by
service manual when the unit is shipped by factory all
switches are set to be off.
g Field wiring
D
: Terminal
F : Connector
b
: Protective earth (screw)
L : Live
N : Neutral
: Terminal
Colours
BLK: Black/ BLU: Blue/ WHT: White/
RED: Red/ ORG: Orange/ YLW:Yellow
A1P Printed circuit board
BS1 Push button (forced defrost-pump down)
C1 Capacitor (M1F)
DS1 DIP switch
E1HC Crankcase heater
F1U, F2U Fuse (T6.3/250V)
HAP Light emitting diode (service monitor green)
K1M Magnetic contactor (M1C)
K1R Magnetic relay (K1M)
24
• Outdoor Units • R-410A • REQ-B7
Power supply
1∼50Hz
230V
Switch box
(Outdoor)
Power supply
3N∼50Hz
400V
Position of
compressor
terminal
Wire
entrance
K2R Magnetic relay (Y2S) Q1RP
K3R Magnetic relay (E1HC) R1T
K4R Magnetic relay (Y1S) R2T
K5R,K6R,K7R Magnetic relay (M1F) R3T
M1C Motor compressor RC
M1F Motor fan S1HP
PC Power circuit S1LP
Q1DI Earth leakage breaker (30mA) SD
Q1M Thermo switch (M1F) T1A
• Split Sky Air • Outdoor Units
Indoor
Position of
compressor
terminal
Wire
entrance
Indoor
Phase reverse circuit TC Signal transmission circuit
Thermistor (air) X1M,X2M Terminal strip
Thermistor (coil) Y1E Expansion valve (electronic type)
Thermistor (discharge pipe) Y1S 4-way valve
Signal receiver circuit Y2S Solenoid valve
Pressure switch (high) CT Current transformer
Pressure switch (low)
Safety devices input
Current transformer
Outdoor
ON
OFF
g Field wiring
D : Terminal
F
: Connector
b
: Protective earth (screw)
L : Live
N : Neutral
: Terminal
Colours
BLK: Black/ BLU: Blue/ WHT: White/
RED: Red/ ORG: Orange/ YLW:Yellow
ON
OFF
2TW26326-1B
Outdoor
2TW26336-1B