CVH8, HVH8, TVH8, VA9, HVA9, TVA9: APPLICATION GUIDELINE & SERVICE MANUAL
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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8. Remove top two screws holding control box and remove
compressor harness (highlighted in yellow below).
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9. Cut double loop wire tie on suction tube holding compressor
harness, replace with new one provided; do not fasten at this time.
Note how the compressor harness is routed to suction tube
(highlighted in yellow below).
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10. Remove compressor mounting hardware.
11. Cut both suction and discharge lines with tubing cutter. Do not use
brazing torch for compressor removal as oil vapor may ignite when
compressor is disconnected.
12. Using caution and the appropriate lifting devices, remove
compressor from the unit.
13. Scratch matching marks on stubs in old compressor. Make
corresponding marks on replacement compressor.
14. Use torch to remove stubs from old compressor and install them in
replacement compressor.
NOTE: Use appropriate protection to avoid damage to compressor
terminal cover and/or terminal box sealant with torch flame. It is
intended that terminal cover remain installed during compressor
installation.
15. Using caution and the appropriate lifting device, place replacement
compressor in unit and secure with appropriate mounting hardware.
NOTE: Use of existing or new OEM mounting hardware is
recommended.
NOTE: Compressor grommet and sleeve supplied with the
compressor should be evaluated versus OEM hardware before
assembling in unit.
16. Use copper couplings to tie compressor back into system.
NOTE: Use appropriate protection to avoid damage to compressor
terminal cover and/or terminal box sealant with torch flame. It is
intended that terminal cover remain installed during compressor
installation.
17. Remove and discard liquid line strainer and filter drier. Replace
with filter drier one size larger in capacity than the unit being
worked on (use bi-flow) type on heat pump. See Recommended
Filter/Drier Sizes table below for appropriate size.
18. Reinstall compressor sound blanket making sure discharge
thermistor and compressor power harness are routed as they were
from the factory.
19. Route compressor power harness to new double loop wire tie and
then to the wire retainers in tube sheet (route as they were originally
to make sure they will not contact fan blade) and then route into
control box and reinstall two control box screws. (See image
below)
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20. Reinstall service panel.
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