62
SERVICING
Control
Panel
Power
Incoming
Power
Opening
Right Side
Of Unit
Power Cord Clamp
5. On
115 volt or 230/208 volt
units disconnect the white
lead from the LINE 1 terminal on the control board
and the black lead from LINE 2 terminal on the con-
trol board and the green ground wire from the parti-
tion panel.
On
265 volt
units disconnect the ribbed lead from the
LINE 1 terminal on the control board and the smooth
lead from the fuse holder and the green ground wire
from the partition panel.
HEATER 2
LINE 1
HEATER 2
LINE 2
COMPRESSOR
EVAPORATOR
1. Remove front cover.
2. Remove the two mounting screws, one on each side
of the control board cover. Tilting the control panel
out, disconnect ribbon connector from control board.
DO NOT PULL ON RIBBON. GRASP THE BLACK RIBBON
CONNECTOR AND PULL GENTLY.
3. Remove the two screws securing the top screen to
the evaporator assembly. (Be sure to slide the top
of the screen between the top flange and chassis
when reassembling.)
4. Remove screws on mid partition panel and shift out
of the way.
5. Remove the two screws securing the heater assem-
bly to the evaporator.
6. Pull heater assembly up and out of the chassis.
7. Disconnect all wiring to the heater assembly and re-
move the assembly.
8. Remove the floodback protector or thermistor from the
evaporator discharge tube.
9. Remove screws holding evaporator to basepan and par-
tition panel.
10. After recapturing the refrigerant charge (see Refrig-
eration Service section), debraze the tubes into the
evaporator. Be sure to protect all chassis components,
especially foam parts, from excessive heat.
11. Lift the evaporator up over the basepan edge and re-
move.
OUTDOOR COIL
1. Remove the chassis from the wall sleeve.
2. After capturing the refrigerant from the system, debraze
the inlet and discharge tubing from the outdoor coil.
3. Remove all screws from the sides of the outdoor coil
securing the shroud to the coil.
4. Pressing the tabs on the right side of the shroud sepa-
rate the shroud from the outdoor coil.
5. The "E-K" models have a four piece condenser shroud
where the top, sides and shroud will come apart sepa-
rately.
6. Remove the two screw securing the outdoor coil to the
base pan.
7. Carefully lift the outdoor coil over the basepan lip.
VENT DOOR
1. Remove Chassis from wall sleeve.
2. Remove P clamp securing vent door control cable to
center partition and disconnect cable from vent door.
3. Remove vent door by opening door and pulling hinge
tabs out of slots in center partition.
4. Remove the door by pulling hinge tabs out away from
the center partition.