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Figure 33: Piping Arrangements
Float and
thermostatic trap
5GA or 8GA coils. Note that the
addition of a vacuum breaker to
permit the coil to drain during
shutdown.
5J, 5G, 8J or 8G coils.
5RA, 8RA, or 5SA coils. Installed
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Check Valve
Strainer
High Pressure (over 25 psi)
Low Pressure (to 25 psi)
5JA or 8JA coil. Installed in series.
Note that each coil must have a
separate control valve and trap.
21
M
Control valve
modulating
Gate Valve
two position
5TA, 8TA, or 5HA coils. Conden-
sate is lifted to overhead return
main
5RA, 8RA, or 5SA coils. Banked two
high, individual trapping of each coil as
shown is preferred.
IM 672-11 • VISION AIR HANDLING UNIT
I
eChanICal
nsTallaTIon
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