Johnson Controls YVAHP0721CW Series, Service Manual

Page: 299 / 416

SM-16007
4-15
MAINTENANCE
4.1.12 Removing Compressor
Recover the refrigerant using standard EPA procedures and external equipment.
In other instances, recover the refrigerant before starting the work, and turn OFF the power source of the
unit.
NOTE:
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stopping the unit because of the high temperature.
When removing the wiring or reassembling the compressor, be aware not to let the wiring come in contact
with the compressor or the refrigerant piping.
(1) Remove the front service cover according to Section 4.1.1 “Removing Front Service Cover”.
If the outdoor unit is installed close to the wall, remove the refrigerant piping and move the outdoor unit
away from the wall.
(2) Release the tack for the soundproof cover of the compressor and remove the soundproof cover.
(3) Remove the Td thermistor on top of the compressor.
NOTE:
The thermistor holder, thermistor securing plate, and the RC cover are used again when reassembling.
Keep them in a container so that the parts are stored correctly.
TURN OFF all power source switches.
Tool Long-nose Pliers
Soundproof Cover
RC Cover
Tack
Bind Lace
Waterproof Rubber Cap
for Td Thermistor
Thermistor
Holder
Holder
Td
Thermistor
Thermistor
Securing Plate
NOTE:
When removing the compressor, the electrical box located above the compressor may be disturbed
when removing the RC cover. So the electrical box should be removed before starting work.
If not, the inner aluminum sheet may be damaged when removing the RC cover.