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2.
Recover the refrigerant from the system
and transfer it in a container so to reclaim or
recycle it.
3.
Unsolder the refrigerant lines from the hot
gas valve body and remove it from the unit.
NOTE. Always install a replacement drier
whenever the sealed refrigeration system is
open.
Do not replace the drier until all other repairs
or replacements have been completed.
4.
To install the replacement hot gas valve
body follow the above steps in reverse.
NOTE. Thoroughly evacuate the system to
remove moisture and non condensables after
hot gas valve replacement.
O.
REPLACEMENT OF EVAPORATOR
PLATEN
1.
Remove front top and rear panels.
2.
Remove the plastic cover from the upper
part of the evaporator platen.
3.
Remove the evaporator sensor probe taking
off the two metal clips securing it to the evaporator
serpentine.
4.
Recover the refrigerant from the system
and transfer it in a container so to reclaim or
recycle it.
5.
Remove the water inlet copper tube from
the evaporator chamber after unloosing the
appropriate screws.
6.
Unsolder and disconnect the capillary tube
and hot gas line from one serpentine of evaporator
and the suction discharge line from the other
serpentine.
7.
Lift the evaporator platen assembly out of
its seat.
NOTE. Always install a replacement drier
whenever the sealed refrigeration system is
open.
Do not replace the drier until all other repairs
or replacements have been completed.
8.
To install the replacement evaporator follow
the above steps in reverse.
NOTE. Thoroughly evacuate the system to
remove moisture and non condensables after
evaporator replacement.
P.
REPLACEMENT OF AIR COOLED
CONDENSER
1.
Remove front and rear panels.
2.
Remove the two bolts attaching the
condenser to the base.
3.
Recover the refrigerant from the system
and transfer it in a container so to reclaim or
recycle it.
4.
Unsolder the refrigerant lines from the
condenser and remove it from the unit.
NOTE. Always install a replacement drier
whenever the sealed refrigeration system is
open.
Do not replace the drier until all other repairs
or replacements have been completed.
5.
To install the replacement condenser follow
the above steps in reverse.
NOTE. Thoroughly evacuate the system to
remove moisture and non condensables after
condenser replacement.
Q.
REPLACEMENT OF HI PRESSURE
CONTROL (Water cooled models)
1.
Remove front and rear panels.
2.
Remove screws which secure the hi
pressure control to the unit frame.
3.
Disconnect the terminal wires from the hi
pressure control.
4.
Recover the refrigerant from the system
and transfer it in a container so to reclaim or
recycle it.
5.
Trace the hi pressure control capillary tube
and unsolder and disconnect it from the refrigerant
system.
NOTE. Always install a replacement drier
whenever the sealed refrigeration system is
open.
Do not replace the drier until all other repairs
or replacements have been completed.
6.
To install the replacement hi pressure control
follow the above steps in reverse.
NOTE. Thoroughly evacuate the system to
remove moisture and non condensables after
hi pressure control replacement.
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