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Daikin RXYQ5PY1 Service Manual Page 296

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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SiEN34-705
2.7.4 Transmission Wiring Connection Procedure
! Referring to figure 21, 22 connect the transmission wiring between outdoor unit and indoor
Installation Manual
unit, outdoor unit and outdoor unit of other system, outdoor unit and outdoor unit of same
system (only multi system) or to COOL/HEAT selector.
COOL/HEAT selector
A B C
COOL/HEAT selector
Connection example for single system
Outdoor unit
A5P
A1P
TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT
A
B C
F1 F2 F1 F2 Q1 Q2
3
1
1
To outdoor unit of
other system
Match up
terminal symbols.
F1 F2
(Has polarity)
Indoor unit
figure 21
Connection example for multi system
Outdoor unit A
(Master unit)
A5P
A1P
TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT
A
B C
F1 F2 F1 F2 Q1 Q2
2
3
1
1
To outdoor unit of
other system
To indoor unit
figure 22
Heat Pump 60Hz (RXYQ5~54P)
Never connect
the power wire
Use duplex
wires
F1 F2
F1 F2
Outdoor unit B
(Sub unit)
A1P
TO MULTI UNIT
Q1 Q2
289

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