Product Overview

Thermostats
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A-20
Control Action ................................................................................. Direct
Operating Range ................................................. 60 to 85°F (15 to 30°C)
Sensitivity Fixed ....................................................2.5 psi/°F (31 kPa/°C)
Temperature Response ...................................................... 0.5°F (0.3°C)
Maximum Ambient Temperature ........................................110°F (43°C)
Dial Graduations .................................................................... 2°F (1.1°C)
Normal Air Supply Pressure ......................................... 18 psi (124 kPa)
Maximum Operating Pressure ..................................... 30 psi (207 kPa)
Dimensions .................................................. 2.88" W x 5.63" H x 2.19" D
(73 mm W x 143 mm H x 56 mm D)
Air Consumption for Compressor Sizing .................. 10 scim (2.7 ml/s)
Cover Style ................................... Key or concealed setpoint adjustment
Cover Finish ......................................Silver; Special order other fi nishes.
Shipping Weight ............................................................. 3.0 lb. (1.36 kg)
Thermostat Cover
Description Part No.
2
Assembly
Concealed adjustment with thermometer 832-0120 856-036
Concealed adjustment without thermometer 832-0490 856-046
1
Exposed key adjustment with thermometer 832-0500 856-044
Exposed knob adjustment with thermometer 832-1260 856-044
Ordering Notes
1. Blind cover, 856-046, does not include mounting screws, 856-014, that are
required for installation.
2. Does not include adjustment key, 856-055, that is required for installation.
Thermostat
comes complete
with cover.
Order the Calibration Kit in the
Accessories and Service Kits section.
832D
Specifi cations/Product Ordering
A-77
Accessories
& Service Kits
TECH TIPS
To calibrate any pneumatic
thermostat, perform the following:
1. Remove the cover.
2. Measure the ambient temperature.
3. Set the setpoint dial to the ambient
temperature.
4. Measure the controller output pressure
(branch pressure).
5. Turn the calibration screw(s) until the branch
pressure equals the midpoint of the control
span [usually 8 psi (55 kPa)].
6. Replace the cover.