Daikin Clima-Flex CLIC STAND ALONE Series, Installation, Operation And Maintenance Manual

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51
Unit Maintenance
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.
!
WARNING
!
Risk of explosive discharge of refrigerant at high pressure.
This can cause personal injury or equipment damage. Nev-
er 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 x x x x x x x x x
Real
Visual inspection of all water
pipes for leaks.
Plan x x x x x x x x x x x x
Real
Replacing the water in the
hydronic circuit.
Plan x x x x x x x x x x x x
Real
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.
ELECTRICAL MAINTENANCE
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Re-tighten electrical panel connectors
and terminals, control parts, power
and junction boxes (quarterly)
Plan x x x x
Real
Physical inspection of all electrical
panel connectors and relays (monthly)
Plan x x x x x x x x x x x x
Real
Check amperage of all electric
motors, compare them according
to the nameplate for anomalies
(quarterly)
Plan x x x x
Real
Physically check for false
contacts (Twice a month)
Plan x x x x x x x x x x x x
Real
Cleaning of the electrical
panel (monthly)
Plan x x x x x x x x x x x x
Real