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The A19 Series Thermostat is a Wide Range Temperature Control with Air Coil Sensing Element
Liquid Filled Copper Elements Provide Rapid Sensing to Control the Compressor System
Control Temperature in a Duct, Tank, Freezer or Cooler
Controller Element Can be Directly Immersed in the Controlled Medium
Adjustable Control Set Point
Ambient Temperature Compensation Provides Good Temperature Control
Compact general purpose temperature controls with a wide selection of models
Dependability-precision snap-acting contacts in dust tight enclosure and liquid filled sensing element are field proven
Precision repeat accuracy which is unaffected by barometric pressure and cross ambient temperature problems
Concealed differential adjustment discourages unauthorized adjustment changes
Extremely close differentials-fixed or adjustable
Trip-free manual reset-reset must be pressed and released before operation will resume. Contacts cannot be blocked in the closed position
No close fitting or sliding parts in water passages
Minimizes chatter or water hammer
Free movement of all parts provides smooth pressure modulation
Refrigerant adjustment is not affected by water pressure
withstands high hydraulic shock without damage
Range spring does not come in contact with cooling water
Easy manual flushing, if required
No Close Fitting or Sliding Parts in Water Passages Provides robust control in less than ideal conditions
Corrosion Resistant Material for Parts that Come in Direct Contact with Water Promotes longer valve life
Accessible Range Spring Allows easy manual flushing, if required
Take-apart Construction Allows access to interior of valves without removing the valve from refrigeration system or pumping down
Pressure-balanced Design Maintains consistent set point against both gradual and sudden water pressure change
No close fitting or sliding parts in water passages
Minimizes chatter or water hammer
Free movement of all parts provides smooth pressure modulation
Refrigerant adjustment is not affected by water pressure
withstands high hydraulic shock without damage
Range spring does not come in contact with cooling water
Easy manual flushing, if required
No Close Fitting or Sliding Parts in Water Passages
Provides Robust Control in Less than Ideal Condition
Corrosion Resistant Material for Parts that Come in Direct Contact with Water
Promotes Longer Valve Life
Accessible Range Spring Allows Easy Manual Flushing if Required
Take-Apart Construction Allows Access to Interior of Valves without Removing the Valve from Refrigeration System or Pumping Down
Pressure-Balanced Design Maintains Consistent Setpoint against Both Gradual and Sudden Water Pressure Change
All-Steel Case and Cover Built to Provide 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)
Micro-Set Differential Option Allows for Precise Control on Low Pressure Applications
Independent High and Low Pressure Switches (P70S and P170S Models) Satisfies a Variety of Dual Pressure Application Wiring Requirements with a Single Versatile Control
Convertible High Pressure ResetAuto Reset or Manual Reset Lockout (P70S and P170S Models) Reduces Inventory One Control Can be Adapted to Several Dual Pressure Applications in the Field
No Close Fitting or Sliding Parts in Water Passages
Provides Robust Control in Less than Ideal Condition
Corrosion Resistant Material for Parts that Come in Direct Contact with Water
Promotes Longer Valve Life
Accessible Range Spring Allows Easy Manual Flushing if Required
Take-Apart Construction Allows Access to Interior of Valves without Removing the Valve from Refrigeration System or Pumping Down
Pressure-Balanced Design Maintains Consistent Setpoint against Both Gradual and Sudden Water Pressure Change
No Close Fitting or Sliding Parts in Water Passages
Provides Robust Control in Less than Ideal Condition
Corrosion Resistant Material for Parts that Come in Direct Contact with Water
Promotes Longer Valve Life
Accessible Range Spring Allows Easy Manual Flushing if Required
Take-Apart Construction Allows Access to Interior of Valves without Removing the Valve from Refrigeration System or Pumping Down
Pressure-Balanced Design Maintains Consistent Setpoint against Both Gradual and Sudden Water Pressure Change
Compact Size and Light Weight Allow for Direct Mounting
Trip-Free Manual Reset
Control Front Panel LCD-Displays the Temperature, Parameters and Status and Allows You to Adjust the Backlight Intensity for Ambient Light Conditions
Custom Icons Display the System and Control Status
Basic and Advanced Programming Menu-Provides Two Levels of Parameter Adjustment and Control Setup, Allowing You to Set up Advanced Features in One Menu and Easily Adjust Basic Parameters in the Other Menu
On/Off Temperature Adjustment-Allows You to Select the Temperature Values at Which the Relay Turns on and Off, Which Automatically Defines the Heating or Cooling Mode of Operation
Switch-Activated Temperature Setback-Allows You to Shift the On/Off Temperature by an Adjustable Setback Value
When a User-Supplied Switch Closes the Binary Input Control Circuit, The Control Operates at the Defined Setback Temperatures
Adjustable Anti-Short Cycle Time Delay
Adjustable Sensor Offset
Optional Restricted Adjustment Mode
Sensor Failure Mode
Backlight Brightness Level Allows You to Adjust the LCD Backlight Intensity