Midea ClimaCreator Series, Technical & Service Manual

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Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC-RTT6S-201701
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Regulating belt of tension
Refer to the following figure, loose 2 bolts, and move the electric motor to adjust belt tension. These
two bolts are used for precision adjustment.
Belt tension is measured by belt tension indicator

Calculate the deflection, deflection (L) = A/64.
Notes: L=A/64
Model A (mm)
MRCT-100CWN1-D(C) 380
MRCT-150CWN1-D(C) 560
MRCT-200CWN1-D(C) 580
MRCT-250CWN1-D(C)
480

Measure the belt deflection force, the force should be between the values shown in the
following lists.

The belt which is too tight or too loose may generate noise and be harmful to the unit.
Belt section
For required to deflection
Small pulley diameter Newton Kilogram-force
SPA 80mm~132mm 25N~35N 2.5kg.f~3.6kg.f