Disassembly; Disassembly Procedures - Trane PTEC-070 Operation & Maintenance Manual

WARNING!
To avoid possible electrical shock,
personal injury or death, disconnect
the power before servicing.
40

Disassembly

Procedures
Front Cover
Front Removal
1. Remove the two screws securing
the front to the chassis.
Note: Not all installations will use
these screws.
Holes to
secure front
2. Grasp the cabinet front as shown.
3. Pull the bottom of the cabinet front
away from the chassis until the
retaining clips disengage.
4. Lift the cabinet front off the
chassis. Reverse this procedure to
reinstall the cabinet front.
Chassis
1. Disconnect power to the unit.
2. Remove the front cover.
3. Remove three screws on each side
of the chassis, securing the
chassis to the wall sleeve.
4. Carefully slide chassis out of wall
sleeve, placing on floor or
protected cart.
Escutcheon, Control Board, Control
Panel
1. Remove front cover.
2. Remove control knobs by pulling
straight up away from the
escutcheon.
3. Remove the escutcheon by lifting
front of escutcheon up and pulling
top tabs from holes.
4. Remove the two mounting
screws, one on each side of the
control board cover. Tilting the
control panel out, remove the
cover.
5. Disconnect all wiring to the control
board. Label the wires to ensure
proper reassembly.
6. Remove the thermistor in front of
the evaporator.
7. Remove the four control board
mounting screws and remove the
control board.
PTEC-M-1A