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Thermostat, Electr. 1H/1C, Prem. Wht

T8400C1024/U

Thermostat, Electr. 1H/1C, Prem. Wht

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  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

Electronic Thermostats provide temperature control for 24V heating-cooling systems, including multistage heat pump systems and multistage conventional and heat pump systems, with manual changeover from heat to cool.

Features

  • Attractive styling complements any decor.
  • Ease-of-use means fewer questions and increased satisfaction.
  • Large display for quick, easy readability.
  • Keys are located by the display for easy access.
  • Fan and system switches are located on the lower edge to eliminate accidental setting changes.
  • Easy installation, setup and self-test saves installer time.
  • Manual changeover from heat to cool eliminates unexpected system operation.
  • 1 stage heat, 1 stage cool.
  • Degree F or C temperature display for added model flexibility.
  • Selectable heating cycle rate for a variety of applications.
  • Cooling cycle rate is fixed (3 cph), the standard setting for compressors, for speedy installation.
  • Setpoints are permanently held in memory (no batteries used) and retained during power outages.

Product Specifications

Application
Conventional systems
Dimensions (in.)
3 1/2 in. high x 3 1/2 in. wide x 1 3/16 in. deep
Dimensions (mm)
89 mm high x 89 mm wide x 55 mm deep
Includes
4074FAB resistor and logo insert pocket
Mounting
Square
Frequency
50 Hz; 60 Hz
Stages
1 Heat/1 Cool
Tradeline Value
Tradeline
Operating Humidity Range (% RH)
5 to 90% RH, non-condensing
Supply Voltage
20 to 30 Vac
Switch Positions (System)
OFF-HEAT-COOL
Switch Positions (Fan)
AUTO-ON
LEDs
none
Power Method
Power-Stealing
Sensor Element
Thermistor
Accuracy (F)
1 F
Accuracy (C)
0.5 C
Interstage Differential Temperature (C)
.5 to .8 C Multistage models only
Interstage Differential Temperature (F)
1 to 1.5 F Multistage models only
Color
Premier White®
Ambient Temperature Range (F)
30 F to 110 F
Ambient Temperature Range (C)
4 C to 43 C
Switch Type
Electronic
Terminal Designations
W, Y, G, R
Changeover
Manual
Setting Temperature Range (F)
40 F to 99 F
Setting Temperature Range (C)
4 C to 37 C
Cycles per Hour
Adj. 1,3,4,5,6,9,12 depending on model
Cool Current
0.02A to 1.2A running, 6.0A inrush
Heat Current
0.02A to 1.2A running, 3.5A inrush
Fan Current
0.02A to 0.5A running, 2.5A inrush

Accessories

209634A/U

Cover Plate, 3-7/8 x 3-7/8 in., Taupe

209634B/U

Cover Plate, 3-7/8x3-7/8 in.,Prem.White®

209635A/U

Cover Plate, 5-3/4 x 5-3/4 in., Taupe

209635B/U

Cover Plate, 5-3/4x5-3/4 in.,Prem.White®