7
NOTE: Sizes 034-074 also require the installation of the
control options module (PSIO2), available as a factory-
installed option or field-installed accessory.
OUTDOOR AIR VOLUME CONTROL — This feature en-
sures a continuous supply of outdoor air to the unit and the oc-
cupied space. The OAC (outdoor air control) monitors the
outdoor air velocity pressure with a velocity probe and pressure
transducer (included in the accessory package). See Fig. 7.
NOTE: Sizes 034-074 also require the installation of the
control options module (PSIO2), available as a factory-
installed option or field-installed accessory.
LEGEND
NEMA —
National Electrical Manufacturers’ Association
Fig. 3 — Space Temperature Sensor (T-55)
LEGEND
NEMA —
National Electrical Manufacturers’ Association
Fig. 4 — Space Temperature Sensor (T-56)
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