Product Overview

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Thermostats
A-7
Typical wall plate and screws.192 HC Thermostat chassis.
192 HC Thermostat with plastic cover. Chassis wall plate
with easy maintenance plug-in adapters shown (optional).
Applications
Designed for temperature control of heating and cooling
applications, the 192 HC Powerstar Heating/Cooling
Pneumatic Room Thermostat controls valves and
damper actuators in cooling equipment. Providing energy
management and occupant comfort, the thermostat
automatically adjusts to seasonal changes from heating
setpoint to cooling setpoint in commercial and
institutional facilities.
Recommendation
For control of multiple valves and actuators, use with or
without high/low limiting controls.
Description
Providing proportional single output, dual setpoint with
2-pipe for high air capacity pneumatic room temperature
control, the 192 HC Powerstar Heating/Cooling Pneumatic
Room Thermostat provides two thermostats under one
cover; one side for heating and the other for cooling.
Switchover is accomplished by changing the air pressure
to the thermostat.
Features
• Dual setpoint dial available in Fahrenheit or
Celsius scales
• Available in direct or reverse acting models
• Sensitive bimetal responds to temperature changes
• Integral, fi eld adjustable limit stops
• Adjustable changeover pressure
• Large volume air capacity relay
• Wall mounting plates provides connection to a variety
of rough-in terminal boxes
• Test port for fast check of output pressure without
removing the cover
• Field replaceable thermometer, setpoint dials, restrictor
and fi lters
Options
• Fixed limit stops to meet government specifi cations
• Quick-connect air connections for ease of installation
and service
• Large, 1/2" setpoint knob for convalescent homes
Application Drawing
Powerstar Heating/Cooling
Pneumatic Room Thermostats
192 HC