P170 Controls for high
pressure applications are designed primarily
for high pressure cut-out control,
head-pressure control, and condenser fan
cycling control on commercial refrigeration
and air conditioning applications.
Features:
- all-steel case and cover provides long
lasting, rugged protection for internal
components
- sight-set calibrated pressure adjustment
displays a visible pressure scale, fully
adjustable through the range without
removing the cover (on NEMA 1
enclosure models)
- manual reset lockout option provides
trip-free lockout that cannot be overridden
or reset until pressure returns to specified
level
- variety of available pressure connection
styles allows greater flexibility when
mounting control and adapting pressure
connections to field application
requirements
Applications:
- P170 Model with single-pole, single-throw (SPST)
Open High switch action are the most
popular models, and are typically used for
high-pressure cutout.
- P170A model is available
with SPST Open Low switch action, and
typically are used for condenser fan
cycling control.
- P170 model with single-pole,
double-throw (SPDT), or four-wire,
two-circuit switch action allow users to
install alarm devices or other control
circuits.