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Daikin RQYQ18PY1 [18/20] 1 onsite settings with the power off
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13 English
(Refer to figure 33)
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. Field piping
13. Refrigerant flow
14. To indoor unit
15. In case of multi system if you need to speedup.
[Remote controller displays malfunction code]
If any malfunction codes other than the above are displayed, check
the service manual for how to respond.
12. ONSITE SETTINGS
Note
In the case of a multi system, all onsite settings should be made
on the master unit. Settings made on sub units are invalid.
The outdoor unit to which the indoor unit transmission wire are
connected is the master unit, and all other units are sub units.
12-1 Onsite Settings With the Power Off
If the COOL/HEAT selector was
connected to the outdoor unit in
“7. FIELD WIRING”, set the dip
switch (DS1) on the outdoor unit
PC-board (A1P) to “ON” (it is set
to “OFF” when shipped from the
factory).
For the position of the dip switch
(DS1), see the “Service Precau-
tions” label (see at right) which is attached to the EL. COMPO. BOX
lid.
WARNING ELECTRIC SHOCK WARNING
Never perform with the power on.
There is a serious risk of electric shock if any live part is touched.
12-2 Onsite Settings With the Power On
Use the push button switches (BS1 through BS5) on the outdoor unit
PC-board (A1P) to make the necessary onsite settings.
See the “Service Precautions” label on the EL. CONPO. BOX lid for
details on the positions and operating method of the push button
switches and on the onsite setting.
Make sure to record the setting on the accessory “REQUEST FOR
THE INDICATION” label.
WARNING ELECTRIC SHOCK WARNING
Use an insulated rod to operate the push buttons via the inspection
door of EL. COMPO. BOX lid.
There is a risk of electric shock if you touch any live parts, since this
operation must be performed with the power on.
13. TEST RUN
13-1 Before test run
• Make sure the following works are completed in accordance with
the installation manual.
Piping work
Wiring work
Air tight test
Vacuum drying
Additional refrigerant charge
• Check that all work for the indoor unit are finished and there are
no danger to operate.
13-2 Test Run
After check operation is completed, operate the unit normally and check the
following.
(1)
Make sure the indoor and outdoor units are operating normally.
(2)
Operate each indoor unit one by one and make sure the corre-
sponding outdoor unit is also operating.
(3)
Check to see if cold (or hot) air is coming out from the indoor unit.
(4)
Push the fan direction and strength buttons on the remote control-
ler to see if they operate properly.
Note
• Heating is not possible if the outdoor temperature is 24°C or
higher. Refer to the Operation manual.
• If a knocking sound can be heard in the liquid compression of the
compressor, stop the unit immediately and then energize the
crank case heater for a sufficient length of time before restarting
the operation.
• Once stopping, the compressor will not restart in about 5 minutes
even if the On/Off button of the remote controller is pushed.
• When the system operation is stopped by the remote controller,
the outdoor units may continue operating for further 5 minutes at
maximum.
• The outdoor unit fan may rotate at low speeds if the Night-time low
noise setting or the External low noise level setting is made, but
this is not a malfunction.
13-3 Checks After Test Run
Perform the following checks after the test run is complete.
• Record the contents of field setting.
→ Record them on the accessory “REQUEST FOR THE INDI-
CATION” label.
And attach the label on the back side of the front panel.
• Record the installation date.
→ Record the installation date on the accessory “REQUEST
FOR THE INDICATION” label in accordance with the
IEC60335-2-40.
And attach the label on the back side of the front panel.
Note
After the test run, when handing the unit over to the customer, make
sure the EL.COMPO.BOX lid, the inspection door, and the unit casing
are all attached.
14. CAUTION FOR REFRIGERANT LEAKS
(Points to note in connection with refrigerant leaks)
Introduction
The installer and system specialist shall secure safety against
leakage according to local regulations or standards. The following
standards may be applicable if local regulations are not available.
The VRV System, like other air conditioning systems, uses R410A as
refrigerant. R410A itself is an entirely safe non-toxic, non-combusti-
ble refrigerant. Nevertheless care must be taken to ensure that air
conditioning facilities are installed in a room which is sufficiently
Malfunc-
tion code
Installation error Remedial action
E3, E4
F3, F6
UF
The shutoff valve of the out-
door unit is left closed.
Open the shutoff valve.
U1
The phases of the power to the
outdoor unit is reversed.
Exchange two of the three phases (L1,
L2, L3) to make a proper connection.
U1
U4
LC
No power is supplied to an out-
door or indoor unit (including
phase interruption).
Make sure the power source wire is prop-
erly connected to the outdoor unit and
revise if necessary.
UF
There is conflict on the con-
nection of transmission wiring
in the system.
Check if the refrigerant piping line and the
transmission wiring are consistent with
each other.
E3
F6
UF
Refrigerant overcharge.
Recalculate the additional amount refrig-
erant from the piping length and correct
the refrigerant charge level by recovering
any excessive refrigerant with a refriger-
ant recovery machine.
E4
F3
Insufficient refrigerant.
•
Check if the additional refrigerant
charge has been finished correctly.
•
Recalculate the additional amount
refrigerant from the piping length and
add the adequate amount.
U7, U4
UF, UH
If the outdoor unit terminal is
connected when there is one
outdoor unit installed.
Remove the line from the outdoor multi
terminals (Q1 and Q2).
UA R22 indoor unit is connected.
Set necessary setting for R22 indoor
unit. Refer to “11. ADDITIONAL
REFRIGERANT CHARGE AND CHECK
OPERATION”.
Inspection
door
[Service Precautions]
label
EL.COMPO.
BOX lid
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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