Mitsubishi Electric ECOV-X37VA Manuel D'installation page 2

Contents
Safety Precautions .............................................................................................................5
Installation process and safety precautions for use with R744 ...................................12
1. Precautions for the handling of R744 ....................................................................13
1-1. Characteristics of R744 .................................................................................................. 13
1-2. Notes for the handling of R744 ....................................................................................... 13
1-3. Precautions for working with R744 ................................................................................. 13
2. Usage conditions/environment...............................................................................14
2-1. Usage conditions ............................................................................................................ 14
2-2. Usage conditions/environment ....................................................................................... 14
3. Unit components and parts list ..............................................................................15
3-1. Unit components ............................................................................................................. 15
3-1-1. ECOV-X37VA, ECOV-X55VA ......................................................................... 15
3-2. Package contents ........................................................................................................... 15
3-3. Transporting and unpacking the unit .............................................................................. 16
4. Precautions for installation .....................................................................................17
4-1. Precautions for installing the unit .................................................................................... 17
4-2. Specifications of general commercial parts .................................................................... 18
4-2-1. Refrigerant pipes............................................................................................. 18
5. Selecting the installation site..................................................................................19
5-1. Statutory compliance ...................................................................................................... 19
5-2. Consideration for pollution prevention and environment protection................................ 19
5-3. Selecting the installation site .......................................................................................... 19
5-3-1. Installation environment and restrictions......................................................... 19
5-4. Height difference between devices ................................................................................. 19
5-4-1. Height difference between the condensing unit and the evaporator ............... 19
5-5. Required space............................................................................................................... 20
5-5-1. Installation examples: Maximum ambient operating temperature of 43°C...... 20
5-5-2. Minimum servicing space................................................................................ 20
5-6. Measures against strong winds ...................................................................................... 21
5-7. Measures against snow .................................................................................................. 21
5-7-1. Installing the unit in a winter snow area .......................................................... 21
6. Installation work.......................................................................................................22
6-1. Progress of construction of building and construction conditions ................................... 22
6-1-1. Installation on the foundation .......................................................................... 22
6-1-2. Installation bolt ................................................................................................ 22
6-1-3. Anti-vibration measures .................................................................................. 22
6-1-4. Sound insulation work ..................................................................................... 23
6-1-5. Removing protection materials for transportation ........................................... 23
6-1-6. Fixing the top of the unit to the wall................................................................. 24
WT09614X03_GB
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