Daikin RXYQ96PATJ [89/108] 3 leading wire procedure
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Daikin RXYQ96PATJ [89/108] 3 leading wire procedure

Daikin RXYQ96PATJ [89/108] 3 leading wire procedure
Installation EDUS391000-N_a
88 Installation of Outdoor Units
7-3 Leading wire Procedure
• The power wiring and ground wiring are passed out from the power
wiring hole on the sides, the front (knock hole) or the bottom frame
(knock hole) .
• The transmission wiring is passed out from the wiring hole (knock
hole) on the front of the unit or from a piping hole.
(Refer to figure 18-1)
1. Electric wiring diagram
Printed on the back of the electrical components box lid.
2. Knockout hole
3. Power line
4. Transmission line
(Refer to figure 18-2)
1. electrical components box lid
2. Service lid
3. [Service precautions] Label location
NOTE
• Open the knock holes with a hammer or the like.
• After knocking out the holes, we recommend you remove any burrs
and paint them using the repair paint to prevent rusting.
(Refer to figure 18-1, 2)
• When passing wiring through the knock holes, remove burrs
around the knock holes and protect the wiring with protective tape.
(Refer to figure 18-1, 2)
• If small animals might enter the unit, block off any gaps (hatching
parts in figure 18-1, 2) with material (field supply).
7-4 Transmission Wiring Connection Procedure
• Referring to figure 19 connect the transmission wiring between
outside unit and indoor unit, outside unit and outside unit of other
system, outside unit and outside unit of same system.
(Refer to figure 19)
1. Master unit (*)
2. Sub unit (*)
3. Outside unit A
4. Outside unit B
5. electrical components box (1)
6. (Only REYQ~PAYD)
electrical components box (2)
7. (Only REYQ~PAYD)
Do not open the electrical components box (2) lid.
(There are no work when installation)
8. Never connect the power wire.
9. To outside unit of other system
10. Use 2-conductor, stranded non-shield copper cable/PVC
or vinyl jacket AWG-2 wiring,
11. Branch Selector unit
12. Indoor unit
13. Indoor unit (Cooling only)
(*) : The Outside unit that connect the transmission wiring to
Branch Selector unit is Master unit of the multi system.
And the other units are Sub unit. (In this figure, Outside unit
A is the Master unit.)
Check operation in installation work, Onsite settings and so
on are done by operating the PC-board (A1P) of Master unit.
• Do not connect the power wiring to terminals for the transmission
wiring. Doing so would destroy the entire system.
• When connecting wires to the terminal block on the PC-board, too
much heat or tightening could damage the PC-board. Attach with
care.
See the table below for the tightening torque of the transmission
wiring terminals.
• Transmission wiring (About the symbol ~ , see figure 19)
should be done within the following limitations.
If they are exceeded, transmission problems may occur.
Between outside unit and Branch Selector (or indoor) unit
Between Branch Selector unit and indoor unit
Between outside unit and outside unit of other systems
Max. wiring length : 3280 ft
Max. total wiring length : 6560 ft
Max. no. of branches : 16
[Note]
No branch is allowed after branch (See figure 20)
Max. no. of outside units of other system
that can be connected : 10
(Refer to figure 20)
1. Branch
2. Branch after branch
Between outside unit and outside unit of same system
Max. wiring length : 100 ft
• The transmission wiring inside the electrical components box
should be secured using the clamp (1) as shown in figure 21.
(Refer to figure 21)
1. In the electrical components box
2. Retain to the electrical components box with the acces-
sory clamp (1).
3. Vinyl tube (accessory)
• Outside the units, the transmission wiring must be finished
simultaneously with the local refrigerant piping, and wound with
tape (field supply) as shown in figure 22.
(Refer to figure 22)
1. Suction gas pipe
2. HP/LP gas pipe
3. Liquid pipe
4. Insulation material
5. Finishing tape
6. Transmission wiring
• Transmission wiring between outside units in the outside multi
system must be connected to terminals Q1 and Q2 (TO MULTI
UNIT).
Connecting the wires to the F1, F2 (TO OUT/D UNIT) terminals
results in system malfunction.
• Wiring to other systems should be connected to terminals F1 and
F2 (TO OUT/D UNIT) on the PC-board of the master unit. The
outside unit that connected transmission wiring to Branch Selector
(or indoor) unit is the master unit. The others are sub unit.
7-5 Power Wiring Connection Procedure
• Be sure to connect the power supply wiring to the power supply
terminal block and hold it in place using the included clamp as
shown in the figure 23.
• The L1, L2, L3 and N phases of the power wiring should be
secured separately to the hook using the included clamp (1).
• The ground wiring should be bound to the power wiring using the
included clamp (1) to prevent outside force from being applied to
the terminal area.
(Refer to figure 23)
1. Power supply
(MODEL PAYD: 3 ~ 460V 60Hz)
(MODEL PATJ: 3 ~ 208-230V 60Hz)
2. Ground leakage circuit breaker
3. Branch switch, ground leakage circuit breaker
4. Ground wire
5. Electrical components box (1)
6. (Only REYQ~PAYD)
Electrical components box(2)
7. (Only REYQ~PAYD)
Do not open the Electrical components box (2) lid.
(There are no work when installation)
Screw size Tightening torque (ft · lbf)
M3.5 (A1P) 0.59 ~ 0.71
1
2
1
2

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