Johnson Controls YVAHP0721CW Series, Service Manual

Page: 307 / 416

SM-16007
4-23
MAINTENANCE
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NOTE:
Ensure that all wires do not come in contact with the compressor, piping or plate edges. If there are
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TURN OFF all power source switches.
U V
W
Remove Td thermistor and
PSH from slotted part of RC cover right side.
Td Thermistor
PSH (High Pressure Switch)
RC Cover
Tack
Fix the soundproof cover firmly
to protect the compressor from
entering water.
Wind all the bind lace
at the tack more than
four times.
W
Power Line for Compressor
Crankcase Heater Lead Line
Remove the power line and
the crankcase heater lead line
from the dent part of RC cover.
Do not contact the wiring with the piping.
Fix the power line for the compressor
and the crankcase heater lead line together
when winding the bind lace at the tack.
Do not contact the discharge oil pipe
with the crankcase heater lead wire
and the power line for the compressor.
Cover outside of the discharge oil pipe
when winding RC cover.
RC Cover
Crankcase Heater
(Wind the crankcase heater
firmly around the compressor
bottom part.)
Crankcase Heater
Crankcase Heater Position
Keep Distance Approximately 13/16 inches (20mm)
13/16 in (20mm)
Detailed View from W
RC Cover
Aluminum Sheet
Compressor
Keep the distance between
the crankcase heaters at a minimum
of 13/16 inches (20mm).
13/16in
（
20
ｍｍ
）
Remove the crankcase heater from
slotted part of RC cover without contacting
the bolts, nuts and piping of the compressor.
Wind the crankcase heater
firmly around the compressor
bottom part.
Fix the compressor power
line and the crankcase heater
lead wires together
with the bind lace.