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McQuay MWM009J User Manual

McQuay MWM009J
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18
MWM-J-2009 Application Information
Wiring
Electrical Connections
Wiring regulations on wire diameters differ from country to country. Please refer to your LOCAL
ELECTRICAL CODES for eld wiring rules. Be sure that installations comply with the rules and regulations.
General Precautions
Ensure that the rated voltage of the unit corresponds to the name plate before carrying out proper wiring
according to the wiring diagram.
Provide a power outlet to be used exclusively for each unit. A power supply disconnects and a circuit
breaker for over-current protection should be provided in the exclusive line.
The unit must be GROUNDED to prevent possible hazards due to insulation failures.
All wiring must be rmly connected.
All wiring must not touch the hot refrigerant piping, compressor or any moving parts of fan motors.
Refrigerant Piping
Piping Length and Elevation
When the pipe length becomes too long, both the capacity and reliability drop. As the number of bends increases,
system piping resistance to the refrigerant ow increases, thus lowering the cooling capacity, and as the result
the compressor may become defective. Always choose the shortest path and follow the recommendation as
tabulated below:
Outdoor Unit
Indoor Unit
LH
Model
Indoor
MWM009J/JR
M5WM010J/JR
MWM015J/JR
M5WM015J/JR
Outdoor
MLC009C/CR
M5LC010C/CR
MLC015C/CR
M5LC015C/CR
Min. Allowable Length, m (L) 3 3
Max. Allowable Length, m (L) 15 15
Max. Allowable Height, m (H) 10 10
Liquid, mm/in 6.35 / 1/4 6.35 / 1/4
Suction, mm/in 9.52 / 3/8 12.70 / 1/2
* Be sure to add the proper amount of additional refrigerant. Failure to do so may result in reduced performance
Remark: The refrigerant pre-charged in the outdoor unit is for piping length up to 7.6m/25ft.
Catalog.indb 18Catalog.indb 18 3/2/2009 4:41:07 PM3/2/2009 4:41:07 PM

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McQuay MWM009J Specifications

General IconGeneral
BrandMcQuay
ModelMWM009J
CategoryAir Conditioner
LanguageEnglish

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