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Thermostats and Controllers

A/FS-xx Series



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A/FS-xx Series

Freeze Protection Thermostat A/FS-xx Series

Freeze Protection Thermostat

 

The FS Series controllers are low limit controllers, also known as ″Freeze Stats.″ The devices were designed for use on HVAC equipment that requires low-temperature cutout protection to prevent cooling coils from freezing. They should be mounted between the heating and cooling coils on the supply side of the fan unit. They respond to the lowest temperature sensed along any 1 foot section of the sensing element. The FS Series has manual and automatic reset versions, as well as, models that feature one or two sets of SPDT contacts.


Products
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QtyModelDescriptionIn StockList PriceInternet Price
A/FS-1 T-STAT/FREEZE/MANUAL/20FTCAP/SPDT In Stock319.00255.20
A/FS-1A T-STAT/FREEZE/AUTO/20FTCAP/SPDT In Stock298.00238.40
A/FS-2 T-STAT/FREEZE/MANUAL/20FTCAP/2SPDT In Stock382.00305.60
A/FS-2A T-STAT/FREEZE/AUTO/20FTCAP/2SPDT In Stock340.00272.00
A/FS-3 T-STAT/FREEZE/MANUAL/10FTCAP/SPDT INFO283.00226.40
A/FS-3A T-STAT/FREEZE/AUTO/10FTCAP/SPDT INFO283.00226.40
A/FS-4 T-STAT/FREEZE/MANUAL/10FTCAP/2SPDT INFO366.00292.80
A/FS-4A T-STAT/FREEZE/AUTO/10FTCAP/2SPDT INFO361.00288.80
A/FS-5 T-STAT/FREEZE/MANUAL/6FTCAP/SPDT In Stock277.00221.60
A/FS-5A T-STAT/FREEZE/AUTO/6FTCAP/SPDT In Stock277.00221.60
A/FS-6 T-STAT/FREEZE/MANUAL/6FTCAP/2SPDT In Stock366.00292.80
A/FS-6A T-STAT/FREEZE/AUTO/6FTCAP/2SPDT In Stock365.00292.00
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Accessories

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Features
  • Available with 6, 10, and 20 foot length capillaries
  • Adjustable set-point
  • Manual reset and automatic reset versions
  • CE approval
  • RoHS compliant
Specifications

Sensing Element:Vapor-filled, copper capillary tube

Output:

A/FS-1, -3, -5:one SPDT Form 1C Relay

A/FS-2, -4, -6:two SPDT Form 1C Relays

Contact Rating:250 VAC, 15 (8) A

Setpoint Range*:14° to 54℉ (-10° to 12℃) field adjustable

Setpoint Differential:1.8℉ (1.0℃), fixed for auto reset

Setpoint Safety Lock:35.6℉ (2.0℃) factory set, field adjustable

Housing Rating:NEMA 1 IP40

Operating Temperature:14° to 194℉ (-10° to 65℃)

Operating Humidity:0 to 95%, non-condensing

Dimensions:3.4″H x 4.25″W x 2.1″D (8.6 x 10.8 x 5.3 cm)

Certifications










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document   Data Sheet
document   Installation Instructions
 

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