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Daikin RQYQ14PY1 [11/20] If 2 m or more
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English 6
13. Knockout hole
14. Punch the knock hole.
Note
<Connecting Refrigerant Piping>
• When connecting the piping on site, be sure to use the accessory
piping.
• Make sure the onsite piping does not come into contact with other
piping or the bottom frame or side panels of the unit.
<Multi Systems>
• The Outdoor unit multi connection piping kit (sold separately) is
needed when connecting piping between outdoor units.
Refer to the installation manual that comes with the kit when
doing this piping work.
4.
Precautions when connecting piping between outdoor units (In
case of multi system)
The Outdoor unit multi connection piping kit (sold separately) is
needed to connect piping between outdoor units in multi system.
Only proceed with piping work after considering the limitations on
installation listed here and in “5. Branching the refrigerant piping”,
always referring to the kit’s installation manual.
(1) The piping between outdoor units must be installed level
(Pattern 1) or with a rise (Pattern 2). Otherwise oil may pool
in the pipes.
(2) To avoid the risk of oil detention in the stopping unit, always
connect the shutoff valve and the piping between outdoor
units as shown in the figure A or figure B.
(3) If the piping length between the outdoor units exceeds 2 m,
create a rise of 200 mm or more in the gas line under a length
of 2 m from the outdoor unit multi connection piping kit.
5.
Branching the refrigerant piping
Heed the restrictions below when installing the refrigerant branch-
ing kit and read the installation instruction manual with the kit.
(Improper installation could lead to malfunctioning or breakdown
of the outdoor unit.)
<REFNET joint>
Install the REFNET joint so it splits horizontally or vertically.
(Refer to figure 16)
1. Horizontal surface
2. ±30° or less
3. Horizontal
4. Vertical
<REFNET header>
Install the REFNET header so it splits horizontally.
(Refer to figure 17)
1. Horizontal surface
<Outdoor unit multi connection piping kit>
•
Install the joint horizontally so that the attached warning label
faces strait up, and the tilt is within ±15°.
(Refer to figure 18-1)
Do not install vertically. (Refer to figure 18-2)
Pattern 1
Pattern 2
Prohibited pattern
Change to pattern 1 or pattern 2
to indoor unit
to indoor unit
to indoor unit
to indoor unit
to indoor unit
to indoor unit
Piping between outdoor units
Piping between outdoor units
Downward inclination
Downward inclination
Oil remains in piping
Front connections
Side (bottom) connections
Front connections
Side (bottom) connections
Front connections
Side (bottom) connections
Level
Rise
Downward inclination
A
B
A
B
Front connections
Side (bottom) connections
Prohibited pattern
Oil remains in the stopping outdoor unit.
Change to pattern 1 or pattern 2
Front connections
Side (bottom) connections
to indoor unit
to indoor unit
Oil remains in the outdoor unit B when the system stops
.
Unit A
Unit B
Unit A
Unit B
Change as shown in the figure below.
Rising height:
200 mm or more
to indoor
unit
to indoor
unit
to indoor unit
to indoor unit
to indoor unit
to indoor unit
If less than 2m
If 2 m or more
2m or more
Rising height:
200 mm or more
less than 2m
less than 2m
Outdoor unit gas pipe
Outdoor unit gas pipe
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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