Modulating Temperature Reset Controller, 70 F to 140 F, with microswitch Zoom

Modulating Temperature Reset Controller, 70 F to 140 F, with microswitch

SKU:T991F1009

Brand: Honeywell

Honeywell
T991F1009 has been discontinued.
Please contact customer service at
(888) 757-4774 for help finding an alternative.
1

Specs

Application: Remote Bulb Temperature
Output: Relay
Analog
One 135 Ohm Potentiometer
Voltage:
?
24v
24 VAC to 30 VAC
Hertz: 60
50
Color: Gray
Height: 5-7/8"
Width: 4-1/8"
Depth (Inches): 2-3/16"
Sensor Type: Copper Bulb
Sensor Inputs: 2
Capillary Length: 10 ft. (Indoor)
30 ft. (Outdoor)
Bulb Size: 1/2" x 4-3/16"
Throttling Range: 11°F
Max Operating Temp: 265°F

Description for Honeywell T991F1009

Automatic outdoor reset controllers for air or liquid.

Features

  • Micro Switch? end switch cycles burner on and off at low fire; T991 then modulates burner as required
  • Designed for use with V9055; can be used with any series 90 motor.
  • Ambient compensated.
  • Setpoint adjustment on front of case.
  • Switch makes 1 F (0.6 C) above end of throttling range.
  • Mount using three holes in the back of the case


Specifications
  • Description: Modulating Temperature Reset Controller, 70 F to 140 F
  • Application Provides on/off and modulating control of water or air temperature in ducts or tanks
  • Type: Modulating Remote bulb
  • Output Type: analog and relay
  • Analog Output: One 135 Ohm Potentiometer
  • Output: 1 SPST
  • Reset Ratio: 1.0 to 1.0
  • Voltage: 24 Vac to 30 Vac
  • Frequency : 50 Hz
  • Frequency: 60 Hz
  • Color: GrayDimensions (in.): 5-7/8 in. high x 4-1/8 in. wide x 2-3/16 in. deep
  • Dimensions (mm): 149 mm high x 105 mm wide x 56 mm deep
  • Sensor Element: Copper bulb
  • Number of Sensor Inputs : 2
  • Capillary Length (ft): Indoor: 10 ft, Outdoor: 30 ft
  • Capillary Length (m) : Indoor: 3 m, Outdoor: 9.1 m
  • Bulb Size (in.): 1/2 in. diameter x 4-3/16 in. long
  • Bulb Size (mm) :13 mm diameter x 107 mm long
  • Setpoint Temperature Range (F) :70 F to 140 F
  • Setpoint Temperature Range: 21 C to 60 C
  • Maximum Operating Temperature (F): 265F
  • Maximum Operating Temperature (C) : 129 C
  • Throttling Range (F): 11 F
  • Throttling Range (C): 6 C
  • Differential Temperature (F): 4 F additive
  • Differential Temperature (C): 2.2 C additive
  • Comments: Indoor bulb temperature plus outdoor bulb temperature must not exceed 265 F (129 C).

Modulating Temperature Reset Controller, 70 F to 140 F, with microswitch

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