MCAC-UTSM-2012--05 R407C MCCU Technical Manual
1
Content
Part 1 General information.........................................................................................................................................2
1. MCCU introduction.................................................................................................................................................2
2. Features...................................................................................................................................................................2
3. Product lineup..........................................................................................................................................................3
4. Nomenclature..........................................................................................................................................................4
5. External appearance..............................................................................................................................................5
6. Refrigerant cycle diagram......................................................................................................................................6
7. Connection accessory list....................................................................................................................................12
8. Specifications........................................................................................................................................................13
9. Dimensions............................................................................................................................................................17
10. Wiring diagram- cooling only...........................................................................................................................20
11. Exploded view- cooling only............................................................................................................................
36
Part 2 Installation..........................................................................................................................................................58
1. Note.........................................................................................................................................................................58
2. Installation steps...................................................................................................................................................59
3. Unit location...........................................................................................................................................................60
4. Installation of refrigerant pipes............................................................................................................................63
5. Piping between outdoor unit and indoor unit....................................................................................................66
6. Field wiring.............................................................................................................................................................70
Part 3 Trouble shooting..............................................................................................................................................71
1. Malfunctions...........................................................................................................................................................71
2. Trouble shooting...................................................................................................................................................72
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