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Daikin RQYQ16PY1 [17/20] 2 procedure of adding refrigerant charging and check operation
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English 12
11-2 Procedure of Adding Refrigerant charging
and check operation
WARNING ELECTRIC SHOCK WARNING
• Make sure to close the EL. COMPO. BOX lid before turning on
the power when performing the refrigerant charging operation.
• Perform the setting on the PC-board (A1P) of the outdoor unit and
check the LED display after the power is on via the inspection
door which is in the EL. COMPO. BOX lid.
• 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 gog-
gles) 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 outdoor unit stops operating, the fan may keep rotation
for a while.
Note
• If operation is performed within 12 minutes after the indoor and
outdoor units are turned on, H2P will be lit on and the compressor
will not operate.
• In order to ensure uniform refrigerant distribution, it may take up to
around 10 minutes for the compressor to start up after the unit
starting operating. This is not a malfunction.
<About refrigerant charging>
• 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
refrigerant charging port.
The tightening torque for the lid is 11.5 to 13.9 N·m.
• 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. If the tank is
left with the valve open, the amount of refrigerant which is prop-
erly charged may be off the point. More refrigerant may be
charged by any remaining pressure after the machine is stopped.
<About check operation>
• Make sure to perform the check operation after installation.
Otherwise, the malfunction code “U3” will be displayed and
normal operation 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
service modes.
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” from the following.
3.
Open the valve C (See the figure 31. The valve A, B and the liquid
and gas side shutout valve must be left closed), and charge the
refrigerant of the “additional charging amount” from the liquid side
shutout valve service port.
If the “additional charging amount” was charged fully, close the
valve C and go to step 5.
If the “additional charging amount” was not charged fully, go to
step 4.
(Refer to figure 31)
1. Measuring device
2. R410A tank (with siphon)
3. Charge hose
4. Liquid side shutoff valve
5. Gas side shutoff valve
6. Shutoff valve service port
7. Valve B
8. Valve C
9. Valve A
10. Outdoor unit
11. Refrigerant charge port
12. To indoor unit
13. Field pipings
14. Refrigerant flow
4.
Perform the refrigerant charging operation according to “INSTAL-
LATION MANUAL (2)”, and charge the remaining refrigerant of
the “additional charging amount”. For performing the refrigerant
charging operation the push button on the PC-board (A1P) of out-
door unit (Incase of multi system master unit) are use. (See the
figure 32) In addition, the refrigerant are charged from the refrig-
erant charge port via the valve A. (See the figure 33)
For operating the push button and opening and closing the valve,
follow the work procedure.
Note
The refrigerant will be charged about 22kg in one hour at outdoor
temp. 30°C DB (6kg at 0°C DB).
If you need to speedup in case of multi system, connect the refriger-
ant tanks to each outdoor unit as shown in the figure 33.
(Refer to figure 32)
1. EL.COMPO.BOX lid
2. Pipe intake
3. Inspection door
4. Label “Service Precaution”
5. LED (H1~8P)
6. Push button (BS1-5)
7. Lift the protruding part to open the cover
additional
charge amount
RQYQ8PY1
0.0kg
RQYQ10PY1
0.7kg
RQYQ12PY1
2.1kg
RQYQ14PY1
1.7kg
RQYQ16PY1
2.0kg
RQYQ18PY1
0.7kg
RQYQ20PY1
2.1kg
RQYQ22PY1
2.8kg
RQYQ24PY1
4.2kg
RQYQ26PY1
2.7kg
RQYQ28PY1
4.1kg
RQYQ30PY1
3.7kg
RQYQ32PY1
4.0kg
RQYQ34PY1
2.7kg
RQYQ36PY1
4.1kg
RQYQ38PY1
4.8kg
RQYQ40PY1
6.2kg
RQYQ42PY1
4.7kg
RQYQ44PY1
6.1kg
RQYQ46PY1
5.7kg
RQYQ48PY1
6.0kg
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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