2-29
johNSoN coNtroLS
ForM 102.20-N1 (1109)
2
AiR MEASuRing dEViCE COnnECtiOnS
(WhEn PROVidEd)
Air Measuring at the Fan inlets
COMETER is a probe attached to the fan bearing
support on Comefri Forward Curve fans from size 7 x
7 up to 18 x 18. The probe is located on the outboard
side of the DWDI fan assembly. The probe is piped to
the negative (-) port of a factory mounted transducer
on the fan wall. The positive (+) port is left open to the
fan section. Wiring is not provided to the transducer
unless factory packaged controls were selected.
PIEZORING (PIEZOMETER) is a series of fittings in
the inlet cone(s) of DWDI fans larger than 18 x 18 and
all sizes of Plenum fans that are combined into a single
connection piped to the negative (-) port of a factory
mounted transducer on the fan wall. The positive
(+) port is left open to the fan section. Wiring is not
provided to the transducer unless factory packaged
controls were selected.
Air Measuring at unit inlets
AMS-60 used on Indoor YORK Solution air handlers
usually to measure outside air. This can be provided
with one or two pairs of positive (+) and negative (-)
connections. Connect (+) and (-) ports respectively to
the (+) and (-) ports of the transducer(s). Wiring and
transducer are not provided unless factory packaged
controls were selected.
EAML used on Outdoor YORK Solution air handlers
usually to measure outside air. This can be provided
with one or two pairs of positive (+) and negative (-)
connections. Connect (+) and (-) ports respectively to
the (+) and (-) ports of the transducer(s). Wiring and
transducer are not provided unless factory packaged
controls were selected.
Содержание YORK SOLUTION LD09624
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