Mitsubishi Electric CITY MULTI PQRY-P250YMF-B Manuals

Manuals and User Guides for Mitsubishi Electric CITY MULTI PQRY-P250YMF-B. We have 1 Mitsubishi Electric CITY MULTI PQRY-P250YMF-B manual available for free PDF download: Service Handbook

Mitsubishi Electric CITY MULTI PQRY-P250YMF-B Service Handbook

Mitsubishi Electric CITY MULTI PQRY-P250YMF-B Service Handbook (154 pages)

AIR CONDITIONERS CITY MULTI

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 6.8 MB

Table of Contents

Table of Contents
2
Before Installation and Electric Work
3
Safety Precautions
3
1 Precautions for Devices that Use R407C Refrigerant

4
- Storage of Piping Material
  5
- Piping Machining
  6
- Necessary Apparatus and Materials and Notes on Their Handling
  7
- Brazing
  8
- Airtightness Test
  9
- Vacuuming
  9
- Charging of Refrigerant
  10
- Dryer
  10
2 Component of Equipment

11
3 Test Run

36
- Before Test Run
  36
- Address Setting
  41
- Test Run Method
  46
4 Grouping Registration of Indoor Units with Remote Controller

47
5 Control

53
6 Refrigerant Amount Adjustment

69
- Refrigerant Amount and Operating Characteristics
  69
- Adjustment and Judgement of Refrigerant Amount
  69
7 Troubleshooting

78
8 Preparation, Repairs and Refrigerant Refilling When Repairing Leaks

144
9 Check the Composition of the Refrigerant

146
- Differences between the Previous Refrigerant and the New Refrigerant
  148
- Chemical Characteristics
  148
- Chances in Composition
  148
- Pressure Characteristics
  149
- Refrigerator Oil
  150
  - Refrigerator Oil with HFC Based Refrigerants
    150
  - Influence of Contaminants
    150

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