McQuay MWSC 010 Series Manual page 29

Installation of MCK unit
Preliminary site survey
ó Electrical supply and installation is to conform to local authorityʼs (e.g. National Electrical Board) codes and
regulations.
ó Voltage supply fl uctuation must not exceed ±10% of rated voltage. Electricity supply lines must be independent of
welding transformers, which can cause high supply fl uctuation.
ó Ensure that the location is convenient for wiring, piping and drainage.
ó The indoor unit must be installed in such that free from any obstacles in path of cool air discharge and warm air
return, and must allow spreading of air throughout the room (near the center of the room).
ó Must be provided clearance for the indoor unit from the wall and obstacles as show in the fi gure.
ó The installation place must be strong enough to support a load 4 times the indoor unit weight to avoid amplifying
noise and vibration.
ó The installation place (handing ceiling surface) must be assured the levelness and height in the ceiling is 350 mm
or more.
ó The indoor unit must be away from heat and steam sources (avoid installing it near an entrance).
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