Airmark GBW Series, Руководство по установке

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7
III-4. Inspect the TXV box to confirm that the valve is compatible
with the refrigerant in the system.
Male
(Inlet)
Female
(Outlet)
III-5.
Remove the valve from
the box and note the loca-
tion of the inlet side (threaded
male port) and the outlet side
(female swivel nut port).
III-8. Braze the stub-out portion to the liquid line and let cool.
III-7. Slide attachment the nut onto the liquid line stub out
(See 8A, I-3)
Do not attempt to touch brazed joints
while hot. Severe burns may result.
!
WARNING
O-ring
III-6. After ensuring that the
Teflon O-ring seal is still in place
inside the flowrator body, screw
the female swivel nut onto the
flowrator body.
O-ring
III-9. Remove the additional Tef-
lon O-ring seal from the box and
place on the shoulder just inside
the TXV inlet port. Screw the nut
attached to the stub-out portion of
the flowrator body onto the inlet
port of the TXV.
A.
Remove the valve stem from
the Schrader port mounted on the
suction line.
B. Screw flare nut on TXV equal -
ization tube on to the Schrader
valve stem.
III-10.
Tighten all connections taking care to use proper back up.
III-12a. Some Airmark coils come with a Schrader valve on the suc-
tion line. If a Schrader port is present:
III-12b. In some cases, a suction line schrader port may not be
present. If a Schrader port is NOT present:
When handling or manipulating the equal-
izer tube, take great care not to kink or
make extreme bends in the tubing.
CAUTION
!
III-11. Remove the valve identification sticker from the valve and
place it adjacent to the Airmark model number on unit name plate.
A. Install a field-supplied braze-on schrader
valve like that shown on the suction line near the
intended sensing bulb mounting location. Fol-
low valve manufacturer instructions and recom-
mendations for installation.
B. Attach equalizer tube to valve as described in
section III-12a above.
III-13. Mount the sensing bulb as described in section 8B-I or 8B-II.