![Daikin REYQ96PAYD [18/22] 2 1 procedure of adding refrigerant charging](/img/pdf.png)
Daikin REYQ96PAYD [18/22] 2 1 procedure of adding refrigerant charging
![Daikin REYQ96PAYD [18/22] 2 1 procedure of adding refrigerant charging](/views2/1718197/page18/bg12.png)
14 English
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 BS and indoor unit.
•
When opening the front panel, make sure to take caution to the fan rota-
tion 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 BS, indoor and
outside 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 BS, 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 29. The valve A,C and the liquid
pipe, suction gas pipe, HP/LP 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 29)
1. Measuring device
2. R410A tank (with siphon)
3. Charge hose
4. Refrigerant charge port
5. HP/LP gas pipe shutoff valve
6. Suction gas shutoff valve
7. Liquid pipe shutoff valve
8. Valve A
9. Valve B
10. Valve C
11. Outside unit
12. To BS, indoor unit
13. Field pipings
14. Refrigerant flow
15. Shutoff valve
16. 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 28.)
And the refrigerant are charged from the refrigerant charge port via
the valve A. (See figure 30.) For operating the push button and open-
ing or closeing 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 30)
1. Measuring device
2. R410A tank (with siphon)
3. Charge hose
4. Refrigerant charge port
5. HP/LP gas pipe shutoff valve
6. Suction pipe shutoff valve
7. Liquid pipe shutoff valve
8. Valve A
9. Valve B
10. Valve C
11. Outside unit
12. To BS, indoor unit
13. Field pipings
14. Refrigerant flow when charging
15. Shutoff valve
16. Service port
[Automatic refirgerant charging operation procedure]
NOTE
• The marks of LED mean as follows.
h : OFF i : ON j : Blinking ∗ : OFF, ON or Brinking
(1) Open the liquid pipe, suction gas pipe and HP/LP gas pipe shutoff
valves. (The valve A~C must be closed. See figure 30.)
(2) • Close the EL. COMPO. BOX (1) lid and all front panel except on the
EL. COMPO. BOX (1) side. (*1) And turn the power to the outdoor
unit and all connected BS, indoor units. (*2)
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 11 2
- Figure 12 2
- Figure 4 figure 6 figure 5 2
- Figure 7 figure 8 figure 9 figure 10 2
- Figure 13 figure 14 3
- Figure 15 3
- Figure 16 figure 17 2 3
- Figure 17 1 3
- Figure 18 3
- Figure 19 3
- Figure 20 figure 22 3
- Figure 21 3
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 4
- Figure 27 figure 29 4
- Figure 28 4
- Figure 30 4
- Figure 31 4
- 1 safety considerations 5
- Contents 5
- English 1 5
- First of all 5
- 2 special notice of product 6
- English 6
- 1 combination 7
- 2 standard supplied accessories 7
- 3 disposal requirements 7
- 3 option accessory 7
- 4 technical and electrical specifications 7
- 5 main components 7
- English 3 7
- Introduction 7
- Selection of location 7
- 1 selection of piping material and refrigerant branching kit 8
- 1 selection of piping material and refrigerantbranching kit 8
- English 8
- Inspecting and handling the unit 8
- Placing the unit 8
- Refrigerant piping 8
- 2 protection against contamination when installing pipes 9
- 2 protection against contaminationwhen installing pipes 9
- 3 pipe connection 9
- 4 connecting the refrigerant piping 9
- English 5 9
- 1 indicate the outside unit multi connection piping kit 2 in case of multi outdoor system re read outside unit to the first outside unit multi connection piping kit as seen from the indoor unit 10
- 5 example of connection 10
- Actual and equivalent pipe length 10
- Actual pipe length 10
- Actual pipe length equivalent length 10
- Actual pipe length from first refrigerant branch kit either refnet joint or refnet header to indoor unit 130 ft note 2 example 8 b c d e s 130 ft 10
- Allowable length after the branch 10
- Between outside unit 2 and indoor unit 10
- Bold 3 pipes 10
- Branch with refnet joint branch with refnet joint and header branch with refnet header 10
- Bs unit 10
- Difference in height between outside unit and indoor unit h1 164 ft max 130 ft if the outside unit is below difference in height between adjacent indoor units h2 49 ft difference in height between adjacent outside units h3 16 ft 10
- English 10
- Example 6 b 130 ft 8 m n p 130 ft example 8 o 10
- Example 8 a o 10
- Example of connection connection of 8 indoor units 10
- First outside unit multi connection piping kit 10
- Ft equivalent pipe length between outside unit 2 and indoor unit 620 ft note 1 10
- Indoor unit cool heat selection possible 10
- Indoor unit cooling only 10
- Indoor unit side 2 pipes 10
- Multi outside system 10
- Outside unit 10
- Outside unit outside unit 10
- Outside unit side 3 pipes 10
- Pipe length between outside unit 2 and indoor unit 540 ft example 8 a b c d e 540 ft 10
- Piping from bs unit to indoor unit or piping from refrigerant branch kit to indoor unit used as cooling only 10
- Piping from outside unit to bs unit 10
- Single outside system 10
- Suction gas pipe hp lp gas pipe liquid pipe 10
- Suction gas pipe liquid pipe 10
- Thin 2 pipes 10
- Total piping length from outside unit 2 to all indoor unit 3280 ft actual pipe length from first outside unit multi connection piping kit to outside unit 33 ft equivalent pipe length from first outside unit multi connection piping kit to outside unit 43 ft 10
- English 7 11
- Outside unit multi connection piping kit and refrigerant branch kit selection 11
- Pipe size selection 11
- 0 75 1 0 21 1 0 81 75 0 40 10 0 15 1 2 2 1 12
- 11 82 11 lb 12
- A b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 3280 ft 12
- A b u r c n s t o p 12
- English 12
- How to calculate the additional refrigerant to be charged 12
- If available on the site use this size otherwise it can not be increased 12
- Increase the pipe size as follows 12
- Indoor units 1 8 12
- Outside unit refnet joint a g 12
- Required conditions example drawings 12
- Round off in units of 0 lb 12
- The farthest indoor unit 8 the nearest indoor unit 1 12
- 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 12
- 1 power circuit safety device and cable requirements 13
- 1 power circuit safety device and cablerequirements 13
- 2 wiring connection example for whole system 13
- 3 leading wire procedure 13
- English 9 13
- Field wiring 13
- 4 transmission wiring connection procedure 14
- 5 power wiring connection procedure 14
- Crimp style terminal 14
- Cup washer 14
- Cut out section 14
- English 14
- Power wire crimp style terminal 14
- 6 procedure for wiring inside units 15
- Air tight test and vacuum drying 15
- English 11 15
- R410a label 15
- Resin hook 15
- Terminal block crip style terminal wire narrow wire thick 15
- 1 before working 16
- Additional refrigerant charge and check operation 16
- Additional refrigerant chargeand check operation 16
- Checking of device and installa tion conditions 16
- Checking of device and installationconditions 16
- English 16
- Pipe insulation 16
- 2 procedure of adding refrigerant charging and check operation 17
- 2 procedure of adding refrigerant charging andcheck operation 17
- English 13 17
- H h i h h h h 17
- J h h h h h h 17
- J h h h i h i 17
- J h h i h h h 17
- J h j h j j h 17
- 2 1 procedure of adding refrigerant charging 18
- Cooling mode 18
- English 18
- H h i h h h h 18
- Heating mode 18
- Less than above range 18
- Outdoor temp 32 f db 109 f db indoor temp 50 f db 90 f db 18
- English 15 19
- 1 before test run 20
- 2 2 procedure of check operation 20
- 2 test run 20
- English 20
- Onsite settings 20
- Test run 20
- 3 checks after test run 21
- Caution for refrigerant leaks 21
- English 17 21
- P215731 8m em09a062a 22
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