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Installation Instructions
Thermal Expansion Valve (TXV)
Factory Installed Expansion Valves: Sensing bulbs
are factory installed and clamped to the suction line.
For optimum performance, reattach and insulate the
bulb at a 10 or 2 o'clock position outside of the
cabinet to the main suction line no more than one
foot from the suction line connection after brazing is
completed. If necessary, the bulb can be installed on a
vertical suction line. In this instance, the bulb must be
placed before any trap, with the bulb's capillary tube
facing upward.
It is very important to insulate the TXV bulb
after reattaching it to the suction line.
Thermal Expansion Valve
NOTE: Some models are equipped with thermo expansion
valve and do not require any orifice change.
NOTE:
The coil comes pre-charged with Helium gas. The coil
must be evacuated if the TXV valve is changed.
31-5000710 Rev. 3
(Letter A)
15
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