Haier MRV II - 14. Transfer to user

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Part 2 Commissioning and Maintenance
for R22 System
1. Working preparation before commissioning
1.1 Outdoor checking--------------------------------------------------------------------25
1.2 Indoor checking----------------------------------------------------------------------31
2. Cooling commissioning
2.1 Commissioning flowchart--------------------------------------------------------42
2.2 Outdoor checking--------------------------------------------------------------------43
2.3 Indoor checking----------------------------------------------------------------------47
3. Heating commissioning
3.1 Commissioning flowchart--------------------------------------------------------48
3.2 Indoor and outdoor checking ---------------------------------------------------49
4. Trouble diagnose and trouble shooting
4.1 Indoor trouble diagnose and trouble shooting ---------------------------49
4.2 Outdoor trouble diagnose and trouble shooting ------------------------53
4.3 Problems during installation----------------------------------------------------54
4.4 Diagnose method for damaged main parts--------------------------------56
5. Attached tables
5.1 Table 1: Additional refrigerant charging table-----------------------------58
5.2 Table 2: Relative settings---------------------------------------------------------59
5.3 Table 3: Setting state of PC board when leaving factory and function
definition--------------------------------------------------------------------61
5.5 Table 4: System running technical data display--------------------------65
5.5 Table 5:Failure code ----------------------------------------------------------------70
5.6 Table 6: MRV system running data tracking list -----------------------77
5.7Table7:Analyse of MRV system debugging running data------------78
5.8 Data checking for MRV outdoor unit----------------------------------------79
Part 2