McQuay M5WM 007G, Manual

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6) Wiring
Electrical Connection
•
Wiring regulation on wire diameters differ from country to country. Please refer to your LOCAL ELECTRICAL
CODES for field wiring rules. Be sure that installation comply with such 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 disconnect 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 firmly connected.
•
All wiring must not touch the hot refrigerant piping, compressor or any moving parts of fan motors.
•
The field wires from the indoor unit must be clamped on the wire clamp as per shown in the figure.
7) Refrigerant Piping
Maximum Pipe Length And Maximum Number Of Bends
Always choose the shortest path for refrigerant piping and follow the recommendations as tabulated below:
Flare Connection
•
Cut the pipe stages by stages, advancing the blade of pipe cutter slowly.
Model
Data
Max. Length, L (m)
12 12 12 12
15 15
Max. Elevation, H (m) 5 5 5 5
8 8
Max. No. of Bends 10 10 10 10
10 10
MWM/M5WM
007G/GR
MWM/M5WM
009G/GR
MWM/M5WM
010G/GR
MWM/M5WM
015G/GR
MWM/M5WM
020G/GR
MWM/M5WM
025G/GR