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W-2WAY ECO-i SYSTEM
Control Functions
Contents
1. CONTROL FUNCTIONS
1. Introduction ........................................................... 1-2
2. Selecting Outdoor Unit for Operation ......................................
1-3
3. Compressor Control ....................................................
1-4
4. Special Controls .......................................................
1-9
5. Other Controls .......................................................
1-14
6. Operation of Solenoid Valves ...........................................
1-15
7.
Outdoor Unit Electronic Thermostatic Expansion Valves [MOV1, MOV2 & MOV4]
... 1-17
8. Outdoor Fan Control ..................................................
1-19
9. Demand Control ......................................................
1-20
10. Indoor Unit Control of the Electronic Control Valve .........................
1-21
11. Rap Valve Kit Control ..................................................
1-23
12. Indoor Unit Refrigerant Oil Self Recovery Control ..........................
1-24
13. Discharge Temperature ................................................
1-25
14. Current Protection ....................................................
1-26
15. Pressure Sensor Failure ...............................................
1-27
16. Backup Operation .....................................................
1-28
17. Service Maintenance Functions .........................................
1-30
18. Other Functions ......................................................
1-32
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