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R410a tropical air-cooled scroll chiller unit 60Hz MCAC-ATSM-2014-09
152 Maintenance
2. Periodical check
Electrical checks
Inspection checks and actions
Remark
Check that all electrical wiring is properly connected
and securely tightened.
Check the electrical components for damage or
loss.
Check if the power supply corresponds with the
identification label of the unit.
Check the operation of the circuit breaker and the
earth leak detector of the local supply panel.
Check the operation of the safety devices.
No operation can cause damage of
the unit.
Refrigerant
checks
Inspection checks and actions
Remark
Check the refrigerant system. If the unit leaks,
please contact your supplier.
Water checks
Inspection checks and actions
Remark
Check the water condition. Drain the water from the
air release plug. If the water is dirty, please replace
all water in the system.
Dirty water causes a cooling
capacity drop as well as corrosion
of the water heat exchanger and
pipe.
Check the water connection.
Check the water velocity.
Check the function of the flow switch.
The evaporator probably freeze up
if the flow switch cannot operate.
Make sure that there is no air mixed in water pipes.
Even if air is removed at the
beginning, sometimes air can enter
later.
Check the water filter.
If dirty and is stopped.
Noise checks
Inspection checks and actions
Remark
Check for any abnormal noise.
Locate the noise producing section and search the
cause.
If the cause of the noise cannot be
located, contact your supplier.
Summary of Contents for MGBT-D25W/DN1
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