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Daikin RXYQ5PY1 Service Manual Page 248

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
! All transmission wiring is to be procured on site. All wiring should use sheathed vinyl cord
! Transmission wiring (About the symbol 1 ~ 3, see figure 21, 22) should be done within the
242
2
0.75-1.25 mm
or cable (duplex). (Triplex only for the COOL/HEAT selector.)
following limitations.
If they are exceeded, transmission problems may occur.
1 Between outdoor unit and indoor unit
Between outdoor unit and outdoor unit of other systems
Max. wiring length
Max. total wiring length
Max. no. of branches
Max. no. of outdoor units of other system
that can be connected
Outdoor
unit
Transmission
Indoor unit
wiring between
outdoor unit and
indoor unit
Indoor unit
No branch
is allowed
after branch
Indoor unit
Outdoor
unit
Transmission
Transmission
wiring between
wiring
outdoor unit
between
and indoor unit
outdoor unit
and outdoor
unit
Indoor unit
Indoor unit
2 Between outdoor unit and outdoor unit of same system (Only for multi system)
Max. wiring length
3 Transmission wiring to COOL/HEAT selector
Max. wiring length
: 1,000 m
: 2,000 m
: 16
[Note]
No branch is allowed after branch (See figure 23)
: 10
Branch line 1
Indoor unit
Indoor unit
Branch line 2
Indoor unit
Indoor unit
Indoor unit
Main line
Indoor unit
Outdoor
Outdoor
unit
unit
No branch is
allowed
Indoor unit
after branch
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Branch line 3
Indoor unit
Main line
Indoor unit
figure 23
: 30 m
: 500 m
Central remote control, etc.
Branch line 1
Indoor unit
Branch line 2
Installation Manual
SiEN34-705

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