Control Specification
SiUS12-928_A
51
Function and Control
3.8
Outdoor Fan Control
1. Fan OFF delay when stopped
The outdoor fan is turned OFF 60 seconds after the compressor stops.
2. Fan ON control to cool down the electrical box
The outdoor fan is turned ON when the electrical box temperature is high while the compressor is
OFF.
3. Fan OFF control while defrosting
The outdoor fan is turned OFF while defrosting.
4. Fan ON/OFF control when operation starts / stops
The outdoor fan is turned ON when the operation starts. The outdoor fan is turned OFF when the
operation stops.
5. Fan control during forced operation
The outdoor fan is controlled as well as normal operation during forced operation.
6. Fan speed control during indoor / outdoor quiet operation
The rotation speed of the outdoor fan is reduced by the command of indoor / outdoor quiet
operation.
7. Fan control when the number of heating rooms decreases
When the outdoor temperature is more than 10°C (50°F), the fan is turned off for 30 seconds.
8. Fan speed control for pressure difference upkeep
The rotation speed of the outdoor fan is controlled to keep the pressure difference while cooling
with low outdoor temperature.
♦
When the pressure difference is small, the rotation speed of the outdoor fan is reduced.
♦
When the pressure difference is large, the rotation speed of the outdoor fan is increased.
3.9
Liquid Compression Protection Function
Outline
In order to maintain the dependability of the compressor, the compressor is stopped according to
the outdoor temperature and temperature of the outdoor heat exchanger.
Detail
Operation stops depending on the outdoor temperature
Compressor turns off under the conditions that the system is in cooling operation and outdoor
temperature is below –12°C (10.4°F).
Summary of Contents for SUPER MULTI NX G Series
Page 1: ...SiUS12 928_A Applied Models Inverter Multi Heat Pump G Series J Series...
Page 7: ...SiUS12 928_A Table of Contents vi...
Page 10: ...SiUS12 928_A 1 List of Functions Part 1 List of Functions 1 Functions 3...
Page 11: ...SiUS12 928_A List of Functions 2...
Page 17: ...SiUS12 928_A Specifications 8...
Page 23: ...SiUS12 928_A Specifications Specifications 14...
Page 25: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram 16...
Page 37: ...SiUS12 928_A Function and Control 28...
Page 69: ...SiUS12 928_A Control Specification Function and Control 60...
Page 71: ...SiUS12 928_A Operation Manual 62...
Page 73: ...SiUS12 928_A Duct Free System Operation Manual 64 2 Duct Free System 2 1 Remote Controller...
Page 84: ...Duct Free System SiUS12 928_A 75 Operation Manual...
Page 85: ...SiUS12 928_A Duct Free System Operation Manual 76 2 8 TIMER Operation...
Page 86: ...Duct Free System SiUS12 928_A 77 Operation Manual...
Page 87: ...SiUS12 928_A Duct Free System Operation Manual 78 2 9 Note for Multi System...
Page 88: ...Duct Free System SiUS12 928_A 79 Operation Manual...
Page 97: ...SiUS12 928_A Slim Duct Built In System Operation Manual 88...
Page 99: ...SiUS12 928_A Service Diagnosis 90...
Page 169: ...SiUS12 928_A Removal Procedure 160...
Page 225: ...SiUS12 928_A Trial Operation and Field Settings 216...
Page 235: ...SiUS12 928_A Appendix 226...