Electronic Expansion Valve Details - Carrier AQUASNAP 30RAP010-150 Controls, Start-Up, Operation, Service, And Troubleshooting

Air-cooled chillers with puron refrigerant (r-410a)
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6. Manually depress the valve piston before installing the
motor assembly. This will allow for the lead screw to en-
gage the piston as the motor is installed.
7. Lightly oil the threads and gasket on the new motor.
Carefully seat the motor on the valve body. Using a
wrench and back-up wrench as described above, tighten
the motor assembly as follows: Tighten the motor to
36 ft-lb (50 N-m) and then tighten an additional 30 de-
grees as indicated in Fig. 33.
a30-4971
INCLUDED IN CABLE KIT
CABLE
CABLE RETAINER
MOTOR ADAPTER
ASSEMBLY
GASKET
SIGHTGLASS
SPORLAN
FLOW
DIRECTION
Fig. 32 — Electronic Expansion Valve Details (010-060)
8. After the motor is tightened, the cable should be replaced
on the valve. Care should be taken to ensure engagement
of the alignment key. Pressurize the system and check for
leaks.
9. Reapply control power and test the operation using Ser-
vice Test operation listed above.
CABLE
MOTOR AND
ADAPTER
ASSEMBLY
NORMAL
FLOW
DIRECTION
51
CABLE
RETAINER
CLIP
MOTOR ADAPTER
ASSEMBLY

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