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SiME341909EA
Servicing Items to be Confirmed
Part 6 Service Diagnosis
137
(4) Precautions for outdoor unit multi system
All the settings should be made in the master unit. Settings in the slave units are deemed
unavailable.
Differentiation of Master/Slave Units
1. The outdoor unit master unit is the unit which has the connecting wires to the indoor unit. All
the other units are slave units.
2. You may also differentiate the master/slave units by the 7-segment display.
(5) Precautions for piping work and refrigerant charging:
This unit uses R-410A refrigerant. Pay attention to the following conditions.
1. The charging pipe and the manifold tube use R-410A products for pressure maintenance
and avoiding contamination by impurities (SUNISO oil, etc.).
2. Be sure to purge with nitrogen when brazing.
Properly perform airtightness test and vacuum drying. (Airtight test pressure: 4.0 MPa)
Charge refrigerant in liquid state.
(6) Precautions for operating in servicing mode (field setting):
When a test operation is interrupted or after exiting service mode, please wait for at least one
minute before entering service mode again. In case of continuous execution, the outdoor unit
PCB may sometimes display an error code. If any error codes are displayed, press the
RETURN
button (BS3). If performing the above operation still does not eliminate the error,
reconnect the unit to the power supply.
7-segment display
In normal mode, press the BS1 button once, and in
the confirmation mode, check if the 7-segment
display shows the code on the right.
SEG1
SEG2
SEG3
1.
0
0
Press the confirmation button (BS3)
to check for the master/slave units
Master
0
Slave 1
1
Slave 2
2
Содержание VRV X RXQ6-48ANR Series
Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...
Страница 287: ...SiME341909EA Part 7 Appendix 281 1 Wiring Diagrams 282 1 1 Outdoor Unit 282 1 2 Indoor Unit 285 Part 7 Appendix...
Страница 288: ...Wiring Diagrams SiME341909EA 282 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXQ6 8ARYFK 3D124186A...
Страница 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...
Страница 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...
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Страница 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...
Страница 296: ...Wiring Diagrams SiME341909EA 290 Part 7 Appendix 1 2 4 Wall Mounted Type FXAQ20 25 32 40 50 63ARVM 3D118250D...