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Daikin RXYQ96PATJ [21/25] 2 1 procedure of adding refrigerant charging
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English 16
• Use an insulated rod to operate the push buttons via the EL.
COMPO. BOX’s inspection door.
There is a risk of electric shock if you touch any live parts, since this
operation must be performed with the power on.
CAUTION
• Make sure to use the protect tool (protective groves and goggles)
when charging the refrigerant.
• Due to a danger of liquid hammer, the refrigerant must not be charged
over the allowable maximum amount when charging the refrigerant.
• Do not perform the refrigerant charging operation under working for
the indoor unit.
• When opening the front panel, make sure to take caution to the fan
rotation during the working.
After the outside unit stops operating, the fan may keep rotation for a
while.
NOTE
• If operation is performed within 12 minutes after the indoor and out-
side units are turned on, H2P will be lit on and the compressor will
not operate.
Check the LED display indicate as shown below.
• In order to ensure uniform refrigerant distribution, it may take up to
around 10 minutes for the compressor to start up after the unit start-
ing operating. This is not a malfunction.
• The refrigerant charge port is connected to the piping inside the unit.
When the unit is shipped from the factory, the unit’s internal piping is
already charged with refrigerant, so be careful when connecting the
charge hose.
• After adding the refrigerant, make sure to close the lid of the refrig-
erant charging port.
The tightening torque for the lid is 8.48 to 10.3 ft · lbf.
• See [Shutoff valve operation procedure] in chapter 11-1 for details
on how to handle shutoff valves.
•
When done or when pausing the refrigerant charging operation, close
the valve of the refrigerant tank immediately.
The refrigerant charge port of this product have electric expansion valve.
The valve will be closed at end of refrigerant charging. However the valve
will be opened on operation after refrigerant charging (check operation,
nomal operation, etc.).
If the tank is left with the valve open, the amount of refrigerant which is
properly charged may be off the point.
• Make sure to perform the check operation after installation. Other-
wise, the malfunction code “U3” will be displayed and normal opera-
tion cannot be performed.
And the failure of “Check of miswiring” may also cause abnormal
operation. Performance may drop due to the failure of “Judgment of
piping length”.
• Check operation must be performed for each refrigerant piping system.
Checking is impossible if plural systems are being done at once.
• The individual problems of indoor units can not be checked.
About these problems check by test run after the check operation is
completed. (See chapter 13)
• The check operation cannot be performed in recovery or other ser-
vice modes.
11-2-1 Procedure of Adding Refrigerant charging
1.
Make sure the following works are complete in accordance with the
installation manual.
Piping work
Wiring work
Air tight test
Vacuum drying
Installation work for indoor unit
2.
Calculate the “additional charging amount” using “How to calculate the
additional refrigerant to be charged” in “6-5 Example of connection”.
3.
Open the valve B (See the figure 30. The valve A,C and the liquid
pipe, gas pipe, equalizer pipe shutoff valves must be left closed), and
charge the refrigerant of the “additional charging amount” from the
liquid side shutout valve service port.
(Refer to figure 30)
1. Measuring device
2. R410A tank (with siphon)
3. Charge hose
4. High side equalizer pipe shutoff valve
5. Gas pipe shutoff valve
6. Low side equalizer pipe shutoff valve
7. Liquid pipe shutoff valve
8. Refrigerant charge port
9. Valve A
10. Valve B
11. Valve C
12. Outside unit A
13. Outside unit B
14. Indoor unit
15. Field pipings
16. Refrigerant flow
17. Shutoff valve
18. Service port
4.
If the “additional charging amount” was charged fully, close the valve
B and go to step 6.
If the “additional charging amount” was not charged fully, close the
valve B and go to step 5.
5.
Perform the refrigerant charging following [Automatic refrigerant
charging operation procedure] as shown below. And charge the
remaining refrigerant of the “additional charging amount”.
NOTE
• For performing the automatic refrigerant charging operation, the push
button on the PC-bord (A1) of outside unit are used. (See figure 29.)
And the refrigerant are charged from the refrigerant charge port via
the valve A. (See figure 31.) For operating the push button and open-
ing or closing the valves, follow the procedure.
• During Automatic refrigerant charging operation, the system will
select charging mode (cooling mode or heating mode) by the tem-
perature condition as follows.
When charging in cooling mode, the system will stop operation when
the required amount of refrigerant is charged.
During charging in heating mode, a person must manually close
valve A and stop operation.
Beforehand, check the remaining refrigerant that is needed to
charge based on the “additional charging amount” in step 2 and the
charged amount in step 3.
• The refrigerant will be charged about 66 lb in one hour at outdoor
temp. 86°F DB (about 26 lb at outdoor temp. 32°F DB).
• During Automatic refrigerant charging operation, you can stop the
operation forcedly by pushing MODE button (BS1).
(Refer to figure 31)
1. Measuring device
2. R410A tank (with siphon)
3. Charge hose
4. High side equalizer pipe shutoff valve
5. Gas pipe shutoff valve
6. Low side equalizer pipe shutoff valve
7. Liquid pipe shutoff valve
8. Refrigerant charge port
9. Valve A
10. Valve B
11. Valve C
12. Outside unit A
13. Outside unit B
14. Indoor unit
15. Field pipings
16. Refrigerant flow when charging
17. Shutoff valve
18. Service port
19. The refrigerant will be charged about 66 lb in one hour at out-
door temp. 86°FDB (26 lb at 32°FDB). (According to outdoor
temp. or the refrigerant amount in the tank, the charging rate
may speed up). If you need to speed up in case of multi sys-
tem, connect the refrigerant tanks to each outside unit.
H1PH2PH3PH4PH5PH6PH7P
hhihhhh
Outdoor temp. : 32˚F DB ~ 109˚F DB
Indoor temp. : 50˚F DB ~ 90˚F DB
Less than above range
Cooling mode
Heating mode
Содержание
- Installation manual 1
- System air conditioner 1
- Figure 1 figure 3 figure 2 2
- Figure 10 figure 11 figure 12 1 2
- Figure 4 2
- Figure 5 figure 7 figure 8 2
- Figure 6 2
- Figure 9 2
- Figure 12 2 3
- Figure 14 3
- Figure 15 figure 13 3
- Figure 17 3
- Figure 18 1 3
- Figure 18 2 figure 16 3
- Figure 19 3
- Figure 20 4
- Figure 21 4
- Figure 22 4
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 5
- Figure 27 figure 28 5
- Figure 29 figure 30 5
- Figure 31 5
- Figure 32 5
- 1 safety considerations 6
- Contents 6
- English 6
- First of all 6
- 2 special notice of product 7
- English 2 7
- When wiring position the wires so that the terminal box lid can be securely fastened improper positioning of the terminal box lid may result in electric shocks fire or the terminals overheating 7
- 1 combination 8
- 2 standard supplied accessories 8
- 3 disposal requirements 8
- 3 option accessory 8
- 4 technical and electrical specifications 8
- 5 main components 8
- English 8
- Introduction 8
- Selection of location 8
- English 4 9
- Inspecting and handling the unit 9
- Placing the unit 9
- 1 selection of piping material and refrigerant branching kit 10
- 1 selection of piping material and refrigerantbranching kit 10
- 2 protection against contamination when installing pipes 10
- 2 protection against contaminationwhen installing pipes 10
- 3 pipe connection 10
- 4 connecting the refrigerant piping 10
- English 10
- Refrigerant piping 10
- Change to pattern 1 or pattern 2 11
- Downward inclination 11
- English 6 11
- Front connections side bottom connections 11
- Pattern 1 11
- Pattern 2 11
- Prohibited pattern 11
- To indoor unit 11
- 4 if the piping length between the outside units exceeds 80 in cre ate a rise of 8 in or more in the gas piping under a length of 80 in from the outside unit multi connection piping kit 12
- Branching the refrigerant piping heed the restrictions below when installing the refrigerant branching kit and read the installation instruction manual with the kit improper installation could lead to malfunctioning or breakdown of the outside unit 12
- English 12
- Gas pipe between outside units 12
- If 80 in or more 12
- If less than 80 in 12
- Install the refnet header so it splits horizontally 12
- Install the refnet joint so it splits horizontally or vertically 12
- Oil remains in the stopping outside unit change to pattern 1 or pattern 2 12
- Oil remains in the unit a when system stops 12
- Prohibited pattern 12
- Refer to figure 14 1 horizontal 2 a arrow view 3 horizontal surface 4 30 or less 5 vertical 12
- Refer to figure 15 1 horizontal surface 2 b arrow view 12
- To indoor unit 12
- 5 example of connection 13
- English 8 13
- Example of connection connection of 8 indoor units 13
- English 14
- Outside unit multi connection piping kit and refrigerant branch kit selection 14
- Pipe size selection 14
- 0 75 1 0 21 1 0 81 75 0 40 10 0 15 2 1 15
- 11 27 11 lb 15
- A b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 3280 ft 15
- A b u r c n s t o p 15
- English 10 15
- How to calculate the additional refrigerant to be charged 15
- If available on the site use this size otherwise it can not be increased 15
- Increase the pipe size as follows 15
- Indoor units 1 8 15
- Outside unit refnet joint a g 15
- Required conditions example drawings 15
- Round off in units of 0 lb 15
- The farthest indoor unit 8 the nearest indoor unit 1 15
- Φ 3 8 φ 1 2 φ 1 2 φ 5 8 φ 5 8 φ 3 4 φ 3 4 φ 7 8 φ 7 8 φ 1 φ 1 1 8 φ 1 1 4 φ 1 3 8 φ 1 1 2 15
- 1 power circuit safety device and cable requirements 16
- 1 power circuit safety device and cablerequirements 16
- 2 wiring connection example for whole system 16
- 3 leading wire procedure 16
- English 16
- Field wiring 16
- 4 transmission wiring connection procedure 17
- 5 power wiring connection procedure 17
- Crimp style terminal 17
- Cup washer 17
- Cut out section 17
- English 12 17
- Power wire crimp style terminal 17
- 6 procedure for wiring inside units 18
- Air tight test and vacuum drying 18
- English 18
- R410a label 18
- Resin hook 18
- Terminal block crip style terminal wire narrow wire thick 18
- 1 before working 19
- Additional refrigerant charge and check operation 19
- Additional refrigerant chargeand check operation 19
- Checking of device and installa tion conditions 19
- Checking of device and installationconditions 19
- English 14 19
- Pipe insulation 19
- 2 procedure of adding refrigerant charging and check operation 20
- 2 procedure of adding refrigerant charging andcheck operation 20
- English 20
- H h i h h h h 20
- J h h h h h h 20
- J h h h i h i 20
- J h h i h h h 20
- J h j h j j h 20
- 2 1 procedure of adding refrigerant charging 21
- Cooling mode 21
- English 16 21
- H h i h h h h 21
- Heating mode 21
- Less than above range 21
- Outdoor temp 32 f db 109 f db indoor temp 50 f db 90 f db 21
- English 22
- 1 before test run 23
- 2 2 procedure of check operation 23
- 2 test run 23
- English 18 23
- Onsite settings 23
- Test run 23
- 3 checks after test run 24
- Caution for refrigerant leaks 24
- English 24
- P215731 6m em09a060a 25
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