Installation Manual

NOTE: If the system match requires an HFC-410A check/
expansion valve is installed.
1. Remove the coil access and plumbing panels.
2. Remove any shipping clamps that secure the liquid
line and distributor assembly.
3. Using two wrenches, disconnect the liquid line stub
damage the distributor tubes during this process.
4.
Figure 4.
5. Retain brass nut to be used later with the liquid line
assembly.
O-RING
REMOVE AND DISCARD
WHITE TEFLON SEAL
STRAINER
DISTRIBUTOR
TUBES
LIQUID LINE
STUB
ORIFICE HOUSING
(REMOVE ORIFICE
FROM INSIDE OF
HOUSING)
Figure 4.
Some system matches for the MCVP* and MCHP* coil
installation of the valve and sensing bulb.
See the MCVP* and MCHP* product specifications for
approved expansion valve match-ups and application
information.
1.
bulb have been installed per the kit instructions,
braze the properly sized refrigerant piping into place.
Carefully follow brazing guidelines and use wet rags to
prevent heat damage.
2. Do not remove the water-saturated rags from the
cabinet and piping until the piping has cooled
completely.
NOTE: To prevent any possibility of water damage,
properly insulate all parts of the expansion valve assembly
the valve and its surrounding ambient temperatures.
Leak Testing, Evacuating and Charging
Refer to the outdoor unit instruction for leak testing,
evacuating and charging procedures. Always leak check
entire system before charging.
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require a check/expansion valve. The expansion valve must
be installed external to the indoor coil cabinet. Refer to the
instructions provided with the expansion valve kit for proper