Content
2
Content
1. Precaution 2
1.1 Safety Precaution 2
1.2 Warning 2
2. Function 3
3. Dimension 5
3.1 Indoor unit 5
3.2 Outdoor unit 5
4. Refrigerant cycle diagram 6
5. Operation limits 7
5.1 Cooling operation 7
5.2 Heating operation 7
6. Wiring diagram 8
7. Installation details 10
7.1 Wrench torque sheet for installation 10
7.2 Connecting the cables 10
7.3 Pipe length and the elevation 10
7.4 Air purging of the piping and indoor unit 11
7.5 Pumping down (Re-installation) 12
7.6 Re-air purging (Re-installation) 13
7.7 Balance refrigerant of the 2-way, 3-way valves 14
7.8 Evacuation 15
7.9 Gas charging 16
8. Electronic function 17
9. Model and Parameters 24
10. Troubleshooting 25
10.1 Display board 25
10.2 Troubleshooting 25
10.3 Diagnostic chart 26
10.4 Resetting phenomenon often occurs during operation. 27
11. Characteristic of temperature sensor 29
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