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Daikin RQYQ18PY1 [13/20] 5 power wiring connection procedure
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English 8
(Refer to figure 20)
1. Electrical wiring diagram
2. On the back of the EL .COMPO. BOX lid.
3. Power wiring, ground wiring (inside conduit)
4. (When the wiring is routed out through the side panel.)
5. Transmission wiring
6. Pipe opening
7. Conduit
8. For power wiring and ground wiring
9. Through cover
10. Cut off the shaded zones before use.
11. Burr
12. Knockout hole
13. For transmission wiring
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.
• When passing wiring through the knock holes, remove burrs
around the knock holes and protect the wiring with protective
tape. (Refer to figure 20)
• If small animals might enter the unit, block off any gaps (hatching
parts in figure 20) with material (field supply).
7-4 Transmission Wiring Connection Procedure
• Referring to figure 21, 22 connect the transmission wiring
between outdoor unit and indoor unit, outdoor unit and outdoor
unit of other system, outdoor unit and outdoor unit of same sys-
tem (only multi system) or to COOL/HEAT selector.
(Refer to figure 21)
1. Connection example for single system
2. Outdoor unit
3. COOL/HEAT selector
4. To outdoor unit of other system
5. Match up terminal symbols. (Has polarity)
6. Use duplex wires
7. Indoor unit
8. Never connect the power wire
(Refer to figure 22)
1. Connection example for multi system
2. Outdoor unit A (Master unit)
3. Outdoor unit B (Sub unit)
4. COOL/HEAT selector
5. To indoor unit
6. To outdoor unit of other system
• All transmission wiring is to be procured on site. All wiring should
use sheathed vinyl cord 0.75-1.25 mm
2
or cable (duplex). (Triplex
only for the COOL/HEAT selector.)
• Transmission wiring (About the symbol ~ , see figure 21, 22)
should be done within the following limitations.
If they are exceeded, transmission problems may occur.
Between outdoor unit and indoor unit
Between outdoor unit and outdoor unit of other systems
Max. wiring length : 1,000 m
Max. total wiring length : 2,000 m
Max. no. of branches : 16
[Note]
No branch is allowed
after branch
(See figure 23)
Max. no. of outdoor units of other system
that can be connected : 10
(Refer to figure 23)
1. Outdoor unit
2. Indoor unit
3. Branch line 1
4. Branch line 2
5. No branch is allowed after branch
6. Main line
7. Central remote controller, etc.
8. Branch line 3
9.
Transmission wiring between outdoor unit and indoor unit
10.
Transmission wiring between outdoor unit and outdoor unit
Between outdoor unit and outdoor unit of same system
(Only for multi system)
Max. wiring length : 30 m
Transmission wiring to COOL/HEAT selector
Max. wiring length : 500 m
• The transmission wiring inside the EL.COMPO.BOX should be
secured using the clamp (1) as shown in figure 24.
(Refer to figure 24)
1. In the EL.COMPO.BOX
2. Retain to the EL.COMPO.BOX with the accessory clamp
(1).
• Outside the units, the transmission wiring must be finished simul-
taneously with the local refrigerant piping, and wound with tape
(field supply) as shown in figure 25.
(Refer to figure 25)
1. Liquid pipe
2. Gas pipe
3. Transmission wiring
4. Insulation material
5. Finishing tape
• For multi system:
1. Transmission wiring between outdoor units in the same piping
system must be connected to terminals Q1 and Q2 (TO MULTI
UNIT).
Connecting the wires to the F1, F2 (TO OUT/D UNIT) termi-
nals results in system malfunction.
2. 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 outdoor unit that connected transmission wiring to indoor
unit is the master unit. The others are sub unit.
CAUTION
• 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.
7-5 Power Wiring Connection Procedure
Be sure to connect the power supply wiring to the power supply ter-
minal block and hold it in place using the included clamp as shown in
the figure 26.
(Refer to figure 26)
1. Power supply (3N~50Hz 380-415V)
2. Earth leakage circuit breaker
3. Branch switch, Overcurrent breaker
4. Ground wire
5. Attach insulation sleeves
6. Power supply terminal block
7. Ground terminal
8. Clamp (1) (accessory)
• 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.
• Wire so that the ground wiring does not come into contact with the
compressor lead wiring. If they touch, this may have an adverse
effect on other devices.
CAUTION
• Be sure to use crimp-style terminal with insulating sleeves for
connections. (See the figure below.)
• For wiring, use the designated power wire and connect firmly,
then secure to prevent outside pressure being exerted on the ter-
minal board.
• Use an appropriate screwdriver for tightening the terminal screws.
A screwdriver with a small head will strip the head and make
proper tightening impossible.
• Over-tightening the terminal screws may break them.
See the following table for the tightening torque of the terminal
screws.
1
3
1
2
2
33
Screw size Tightening torque (N·m)
M3 ABC I/P 0.53 - 0.63
M3.5 (A1P) 0.80 - 0.96
Power wire
Crimp-style terminal
Insulating sleeve
Содержание
- Installation manual 1 1
- System air conditioner 1
- Ve upq series 1
- Figure 1 3
- Figure 10 figure 11 figure 12 figure 13 3
- Figure 14 3
- Figure 15 3
- Figure 2 3
- Figure 3 3
- Figure 4 3
- Figure 5 3
- Figure 6 3
- Figure 7 3
- Figure 8 3
- Figure 9 3
- Figure 16 4
- Figure 17 4
- Figure 18 4
- Figure 19 figure 20 4
- Figure 21 4
- Figure 22 4
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 4
- Figure 27 5
- Figure 28 5
- Figure 29 figure 30 5
- Figure 31 figure 32 5
- Figure 33 5
- Figure 34 5
- 1 safety precautions 6
- Contents 6
- English 6
- First of all 6
- Installation manual 6
- 1 combination 7
- 2 special notice of product 7
- 3 disposal requirements 7
- English 2 7
- Introduction 7
- 2 standard supplied accessories 8
- 3 option accessory 8
- 4 technical and electrical specifications 8
- 5 main components 8
- 6 installation process 8
- English 8
- Selection of location 8
- 1 selection of piping material and refrigerant branching kit 9
- English 4 9
- Inspecting and handling the unit 9
- Placing the unit 9
- Refrigerant piping 9
- 2 protection against contamination when installing pipes 10
- 3 pipe connection 10
- 4 connecting the refrigerant piping 10
- A b 25 10
- Cutting location 10
- English 10
- Gas side accessory pipe 2 10
- Gas side piping field supply 10
- Change as shown in the figure below rising height 200 mm or more 11
- Change to pattern 1 or pattern 2 11
- English 6 11
- Front connections 11
- If 2 m or more 11
- If less than 2m 11
- Less than 2m 11
- M or more 11
- Oil remains in the stopping outdoor unit 11
- Outdoor unit gas pipe 11
- Pattern 1 11
- Pattern 2 11
- Prohibited pattern 11
- To indoor unit 11
- Unit a 11
- Unit b 11
- 1 power circuit safety device and cable requirements 12
- 2 wiring connection example for whole system 12
- 3 leading wire procedure 12
- English 12
- Field wiring 12
- 4 transmission wiring connection procedure 13
- 5 power wiring connection procedure 13
- English 8 13
- Power wire crimp style terminal 13
- 1 preparations 14
- 2 air tight test and vacuum drying method 14
- 6 procedure for wiring inside units 14
- Air tight test and vacuum dry ing 14
- Air tight test and vacuum drying 14
- Crimp style terminal 14
- Cup washer 14
- Cut out section 14
- English 14
- R410a label 14
- Resin hook 14
- Terminal block crip style terminal wire narrow wire thick 14
- 1 before working 15
- Additional refrigerant charge and check operation 15
- Checking of device and instal lation conditions 15
- Checking of device and installation conditions 15
- English 10 15
- Pipe insulation 15
- 2 procedure of adding refrigerant charging and check operation 17
- English 12 17
- 1 before test run 18
- 1 onsite settings with the power off 18
- 2 onsite settings with the power on 18
- 2 test run 18
- 3 checks after test run 18
- Caution for refrigerant leaks 18
- English 18
- Onsite settings 18
- Test run 18
- English 14 19
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