Si39-406
Test Operation
General Information
87
4.4.2.3 Setting of Low Noise Operation and Demand Operation
Setting of Low Noise Operation
By connecting the external contact input to the low noise input of the outdoor unit external control
adapter (optional), you can lower operating noise by 2-3 dB.
A. When the low noise operation is carried out by external instructions (with the use of
the outdoor unit external control adapter)
1. Set “External low noise / Demand YES/NO setting” to “External low noise / Demand YES”. (Set
by Setting Mode 2)
2. Set “External low noise level setting” on the outdoor unit PC board, as the need arises.
(Lower noise operation can be carried out by “Mode 2” than by “Mode 1”, and by “Mode 3” than
by “Mode 2”.)
3. Set “Capacity precedence setting” on the outdoor unit PC board, as the need arises.
(If set to “ON”, when air conditioning load gets higher, the low noise instructions are neglected
to switch to normal operation.) (Set by Setting Mode 2)
B. When the low noise operation is carried out automatically at night (The outdoor unit
external control adapter is not required)
1. Set “Night-time low noise setting” on the outdoor unit PC board. (Set by Setting Mode 2)
(Lower noise operation can be carried out by “Mode 2” than by “Mode 1”, and by “Mode 3” than
by “Mode 2”.)
2. Set “Night-time low noise start setting” on the outdoor unit PC board, as the need arises. (Set by
Setting Mode 2)
(Since the time is presumed in accordance with the outdoor temperature, the starting time is a
target only.)
3. Set “Night-time low noise end setting” on the outdoor unit PC board, as the need arises.
(Set by Setting Mode 2)
(Since the time is presumed in accordance with the outdoor temperature, the ending time is a
target only.)
4. Set “Capacity precedence setting” on the outdoor unit PC board, as the need arises.
(Set by Setting Mode 2)
(If set to “ON”, when air conditioning load gets higher, the status is switched to normal operation
even at night.)
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Страница 1: ...Design Installation Testing Instruction R410A Heat Recovery 60Hz REYQ96MTJU Si39 406...
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Страница 68: ...Installation Si39 406 62 General Information Caution Caution label 3P124617 4P124614...
Страница 114: ...Appendix Si39 406 108 General Information 3P135887 1...
Страница 124: ...Appendix Si39 406 118 General Information 7 8 Piping System Diagrams 7 8 1 Outdoor Unit REYQ96MTJU 4D045329...
Страница 126: ...Appendix Si39 406 120 General Information 7 8 3 BS Unit BSVQ36MVJ BSVQ60MVJ 4D045338...
Страница 127: ...Si39 406 Appendix General Information 121 7 9 Wiring Diagrams 7 9 1 Outdoor Unit REYQ96MTJU 3D044892A...
Страница 128: ...Appendix Si39 406 122 General Information 7 9 2 Field Wiring REYQ96MTJU 3D042647A...
Страница 156: ...Refrigerant Piping Si39 406 150 Installation Manual REYQ96MTJU...
Страница 158: ...Refrigerant Piping Si39 406 152 Installation Manual REYQ96MTJU...
Страница 230: ...Precautions for New Refrigerant R410A Si39 406 224 Precautions for New Refrigerant R410...
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