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Note: Graphic labels (shown above) are used for CE
application only.
•
Route the vent-line piping so that it discharges
outdoors in an area that will not spray refrigerant on
anyone. Position the vent-line discharge at least 15 ft
(4.6 m) above grade level and at least 20 ft (6.1 m) from
any building opening. Provide a vent-line termination
that cannot be blocked by debris or accumulate
rainwater.
•
Provide a drip leg on the vent line (refer to the following
figure [arrangement for rupture disk relief piping]).
Provide a standard 1/4-in. FL x 1/4-in. NPT, capped
refrigerant service valve to facilitate liquid removal.
NOTICE
Equipment Damage!
Failure to follow instructions below could result in
equipment damage.
All vent lines must be equipped with a drip leg of
sufficient volume to hold the expected accumulation
of water and/or refrigerant. The drip leg must be
drained periodically to assure that it does not
overflow and allow fluid to flow into the horizontal
portion of the vent line. Trane assumes no
responsibility for equipment damage caused by
insufficient drainage of drip leg.
•
Consult local regulations and codes for any additional
relief line requirements.
CDHH-SVX003C-EN
Figure 24. Rupture disk location and cross section of
rupture disk
Outside pipe
assembly
X39003892001A
Cap
Note: Pipe connection is 3 in. (76.2 mm) NPT.
Gasket
Suction
connection
Bolt
Vent Piping
Rupture disk
37
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