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64
Unit Maintenance
!
WARNING
!
Risk of electric shock, can cause injury and death.
Disconnect all power sources before inspecting the fan.
Disconnect all electrical power sources when working inside
the unit. Potentially lethal voltages exist within the equipment
during operation.
Review all cautions and WARNINGs contained in this
manual. Only qualified personnel should service this unit.
Maintenance consists mainly of removing dirt and debris from
the outer surface of the fins and repairing any damage to them.
For units installed in corrosive environments, cleaning of the fins
should be part of the regular maintenance program.
In this type of installation, dust and debris should be removed
promptly to avoid build-up that will interfere with the regular
operation of the unit.
CONDENSER
FILTER DRIER
Any particles from the condenser piping, compressor or various
components are swept by the refrigerant into the liquid line and
trapped by the filter drier.
It is recommended that the filter drier be replaced each time a
refrigerant line repair is performed.
!
WARNING
!
Risk of electric shock, may cause injury and death.
Risk of serious injury. Fan may start up and cause injury.
Disconnect all power sources before inspecting the fan.
EXPANSION VALVE
The function of the expansion valve is to maintain adequate
supply of refrigerant to the evaporator. This is in order to satisfy
the charge conditions.
Before adjusting the superheat, verify that the unit charge is
correct and that the liquid line is completely full and free of bubbles,
and that the circuit is operating under stable load conditions The
superheat suction for the evaporator suction discharge is factory
set for 10°F.
!
WARNING
!
Risk of explosive discharge of refrigerant at high pressure.
This can cause personal injury or equipment damage.
Never loosen refrigerant or electrical line connections until
the compressor has been depressurized on both sides.
ANNUAL MAINTENANCE SCHEDULE
Before performing any work on the unit, make sure you have
the proper Personal Safety Equipment (EPS), and that the unit
is turned off and idle. It is also recommended that the unit be
turned on 24 hours prior to first start-up to begin warming up the
compressor crankcase.
HYDRAULIC MAINTENANCE
Jan Feb
Mar
Apr
May Jun
Jul
Aug
Sep
Oct
Nov
Dec
Cleaning of the hydronic circuit filter,
if present.
Plan
x
x
x
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Real
Visual inspection of all water pipes
for leaks.
Plan
x
x
x
x
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x
x
x
x
x
Real
Replacing the water in the hydronic
circuit.
Plan
x
x
x
x
x
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x
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x
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Real
Содержание Comfort Flex CLIV Series
Страница 13: ...iom cliv eng www comfort flex com 13 Figure 7 Refrigeration Schematics cooling only Refrigeration Schematics...
Страница 14: ...iom cliv eng www comfort flex com 14 Refrigeration Schematics Figure 8 Refrigeration Schematics heat pump...
Страница 23: ...iom cliv eng www comfort flex com 23 Electrical Data...
Страница 24: ...iom cliv eng www comfort flex com 24 Electrical Data Figure 14 Typical field wiring diagram of 440V unit son...
Страница 25: ...iom cliv eng www comfort flex com 25 Electrical Data...
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