Other Control
SiBE37-701
138
Function
5.
Other Control
5.1
Backup Operation
If any of the compressors goes wrong, disable the relevant compressor or the relevant outdoor
unit from operating, and then conduct emergency operation only with operational compressors
or outdoor units.
"Emergency operation with remote controller reset" and "Emergency operation with outdoor unit
PC board setting" are available
(1) Emergency operation with remote controller reset
[Operating method]
Reset the remote controller. (Press the RUN/STOP button for 4 seconds or more.)
[Details of operation]
Disable the defective outdoor unit from operating, and then only operate other outdoor
units.
(On systems with 1 outdoor unit, this emergency operation is not available.)
(2) Emergency operation with outdoor unit PC board setting
[Setting method]
Make setting of the compressor, "the operation of which is to be disabled", in field setting
mode (setting mode 2).
(For detail of the setting method, refer to page 226.)
[Details of operation]
Disable the compressor with "operation disable setting" made from operating and only
operate other compressors.
(On the system with 1 compressor "REYQ8PY1", this emergency operation is not
available.)
5.2
Demand Operation
In order to save the power consumption, the capacity of outdoor unit is saved with control
forcibly by using “Demand 1 Setting” or “Demand 2 Setting”.
To operate the unit with this mode, additional setting of “Continuous Demand Setting” or
external input by external control adapter is required.
5.3
Heating Operation Prohibition
Heating operation is prohibited above 24°C ambient temperature.
Operating method
Applicable model
(1) Emergency operation with
remote controller reset
(Auto backup operation)
(2) Emergency operation with
outdoor unit PC board setting
(Manual backup operation)
REYQ8 ~ 16PY1
–
Backup operation by the
compressor
REYQ18 ~ 48PY1
Backup operation by the
indoor unit
Backup operation by the
outdoor unit
Set item
Condition
Content
Demand 1
Mode 1
The compressor operates at approx. 60% or less of rating.
Mode 2
The compressor operates at approx. 70% or less of rating.
Mode 3
The compressor operates at approx. 80% or less of rating.
Demand 2
The compressor operates at approx. 40% or less of rating.
Summary of Contents for VRV III REYQ8PY1B
Page 1: ...REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701...
Page 111: ...Refrigerant Flow for Each Operation Mode SiBE37 701 100 Refrigerant Circuit...
Page 252: ...SiBE37 701 Troubleshooting by Remote Controller Troubleshooting 241...
Page 396: ...SiBE37 701 Piping Diagrams Appendix 385 REYQ14P 16P 3D058153B S2NPL S1NPH...
Page 397: ...Piping Diagrams SiBE37 701 386 Appendix REMQ8P 3D057743...
Page 398: ...SiBE37 701 Piping Diagrams Appendix 387 REMQ10P 12P 3D057742...
Page 399: ...Piping Diagrams SiBE37 701 388 Appendix REMQ14P 16P 3D057741...
Page 400: ...SiBE37 701 Piping Diagrams Appendix 389 1 2 Indoor Unit FXFQ P...
Page 405: ...Piping Diagrams SiBE37 701 394 Appendix 1 3 BS Unit 4D057985A...
Page 415: ...Wiring Diagrams for Reference SiBE37 701 404 Appendix FXZQ20M 25M 32M 40M 50MV1...
Page 416: ...SiBE37 701 Wiring Diagrams for Reference Appendix 405 FXCQ20M 25M 32M 63MV3...
Page 417: ...Wiring Diagrams for Reference SiBE37 701 406 Appendix FXCQ40M 50M 80M 125MV3...
Page 420: ...SiBE37 701 Wiring Diagrams for Reference Appendix 409 FXDQ20M 25MV3...
Page 421: ...Wiring Diagrams for Reference SiBE37 701 410 Appendix FXSQ20M 25M 32M 40M 50M 63MV3...
Page 422: ...SiBE37 701 Wiring Diagrams for Reference Appendix 411 FXSQ80M 100M 125MV3...
Page 447: ...Example of connection SiBE37 701 436 Appendix...
Page 453: ...Method of Checking the Inverter s Power Transistors and Diode Modules SiBE37 701 442 Appendix...
Page 467: ...SiBE37 701 iv Index...
