Service Manual 213
Function
3.1 Pressure protection control
3.1.1 Pressure control on cooling mode
■
High pressure control
■
Low pressure control(above -10˚C)
• Hot gas bypass off condition : if hot gas bypass valve is on, the valve turn off above 399 kPa
3. Protection control
2284kPa <Pc ≤ 2422kPa
No frequency up
5 Hz down/sec
High pressure
control
10 Hz up/sec
System stop
2441kPa <Pc ≤ 2657 kPa
Pc>2657kPa
Pc ≤ 2284kPa
Low pressure
control
High pressure
control
Pressure range
Compressor
Fan
-
-
-
Hot gas
bypass
49 kPa< Pe ≤ 62kPa
5 Hz down/sec
Low pressure
control
5 Hz down/sec
No frequency up
System stop
62 kPa< Pe ≤ 101kPa
Pe >101kPa
Pe ≤ 49 kPa
Low pressure
control
High pressure
control
Pressure range
Compressor
Fan
On
On
-
Hot gas
bypass
Summary of Contents for multi V PLUS
Page 21: ...Service Manual 21 Indoor Unit Indoor Units ...
Page 74: ...74 Indoor Unit ...
Page 86: ...86 Indoor Unit ...
Page 142: ...142 Indoor Unit ...
Page 160: ...160 Indoor Unit ...
Page 179: ...Service Manual 179 Outdoor unit ...
Page 239: ...Service Manual 239 Wiring Diagrams 5 8 60Hz 220V Main Outdoor Unit 8HP 10HP 12HP ...
Page 245: ...Service Manual 245 Trouble shooting guide ...
Page 296: ...296 Trouble Shooting Guide ...
Page 297: ...Service Manual 297 Appendix ...
Page 303: ...Service Manual 303 Exploded View Replacement Parts List ...