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SiUS281811EA
Basic Control
Part 4 Functions and Control
109
2.4 Cooling Operation Fan Control
In cooling operation with low outdoor air temperature, this control is used to provide an adequate
amount of circulation air with liquid pressure secured by high pressure control from the outdoor fan.
Furthermore, when outdoor temperature
≥
20°C (68°F), the compressor will run in Step 7 or higher.
When outdoor temperature
≥
18°C (64.4°F), it will run in Step 5 or higher.
When outdoor temperature
≥
12°C (53.6°F), it will run in Step 1 or higher.
Upper limit of fan
revolutions: Step 8
Upper limit of outdoor fan
revolutions
Step 7
–1 step on
outdoor fan
+1 step on
outdoor fan
Pc
< 2.75 MPa
(399 psi)
PI control
Pc
> 3.24 MPa
(470 psi)
Lapse of 20 seconds
PI control
PI control
Lapse of 20 seconds
Hold the
current step on
outdoor fan
Pc: High pressure sensor detection value
Fan Steps
Step
Fan speed (rpm)
18/24 class
30/36/42/48 class
M1F
M2F
1
200
250
0
2
250
400
0
3
300
285
250
4
480
360
325
5
515
445
410
6
620
580
545
7
830
715
680
8
920
850
815
Содержание SkyAir RZR-TA Series
Страница 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Страница 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Страница 321: ...SiUS281811EA 315 Part 7 Appendix 1 Wiring Diagrams 316 1 1 Outdoor Unit 316 1 2 Indoor Unit 320 Part 7 Appendix...
Страница 322: ...Wiring Diagrams SiUS281811EA 316 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RZR18 24TAVJU RZQ18 24TAVJU 3D115455...
Страница 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Страница 324: ...Wiring Diagrams SiUS281811EA 318 Part 7 Appendix RZR30 36 42 48TAVJU RZQ30 36 42 48TAVJU 3D115456...
Страница 325: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 319 RZR30 36 42 48TAVJUA RZQ30 36 42 48TAVJUA 3D124500...
Страница 326: ...Wiring Diagrams SiUS281811EA 320 Part 7 Appendix 1 2 Indoor Unit FCQ18 24 30 36 42 48TAVJU 3D115647A...
Страница 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Страница 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Страница 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...