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Environmental & Combustion Controls
T841A1563
Premier White 2 Heat/1Cool Stage Thermostat with manual changeover and W3,E,Y,G,O,R,W2,X,B terminals for multistage heat pumps

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Overview
Heat Pump/Multistage Thermostats provide low voltage (24 Vac) control of two-stage heating and one-stage cooling heat pump systems using manual changeover.

This product is obsolete. It can be purchased while supply lasts, or you can look for a replacement in the cross-reference.
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Features

• Coiled bimetal element operates dust-free mercury switches.
• Heat anticipators are adjustable or fixed; cooling anticipator is fixed.
• Mount directly on wall or horizontal outlet box; no separate subbase necessary.
• T841E model available for two-stage gas valves.
Product Specifications  Back To Top
Description Premier White 2 Heat/1Cool Stage Thermostat with manual changeover and W3,E,Y,G,O,R,W2,X,B terminals for multistage heat pumps
Application Heat Pump Systems
Mounting Horizontal
Changeover Manual
Color Premier White®
Stages 2 Heat/1 Cool
Terminal Designations W3, E, Y, G, O, R, W2, X, B
Switch Positions (Fan) AUTO-ON
Switch Positions (System) EM. HEAT-HEAT-OFF-COOL
Switch Type Mercury
Switching Action 1st Stage SPDT; Second Stage SPST
Accuracy (F) 2 F
Accuracy (C) 1 C
Dimensions (in.) 3 1/2 in. high x 5 1/4 in. wide x 2 1/16 in. deep
Dimensions (mm) 89 mm high x 133 mm wide x 52 mm deep
Setting Temperature Range (F) 45 F to 85 F
Interstage Differential Temperature (F) 1 F
Interstage Differential Temperature (C) 0.6 C
Anticipator (cooling) 0 to 1.5A fixed
Anticipator (heating) First stage 0 to 1.5A fixed; Second stage 0.1 to 1.2A adj.
Cool Current 1.5A running, 6.5A inrush at 30 Vac max
Heat Current 1st Stage 1.5A running, 6.5A inrush at 30 Vac max.
Heat Current 2nd Stage 1.2 running and 6.5A inrush at 30 Vac max.
Sensor Element Bimetal
Fan Operation Auto Fan in EM. HEAT
Ambient Temperature Range (F) 45 F to 85 F
Ambient Temperature Range (C) 7 C to 29 C
Approvals, Canadian Standards Association Certified; File No. LR95329-6
Comments No Thermometer
Tradeline Value Tradeline
Voltage 20 to 30 Vac

Literature and other Resources Download Back To Top
Installation Instructions - (T841A,B Easy-To-See Heat Pump Thermostat -TRADELINE (available in 69-1045AB-2))
Owners Guide - (T841A,B Easy-To-SeeT Heat Pump Thermostat -TRADELINE (available in 69-1045AB-2))
Installation Instructions - (T8411R1051, T8411R1085, T8411R1093, T8411R1119, T8411R1127, T8411R1143, T8411R1150, T8411R1176 Electronic Heat Pump Thermostat)
Installation Instructions - (T8411R1002, T8411R1028, T8411R1135 Electronic Heat Pump Thermostat -Tradeline)
Product Data - (T8411R Electronic Heat Pump Thermostat)
Owners Manual - (T8400C, T8401C, T8411R Electronic Thermostat)
Installation Instructions - (T841A1746 Heating-Cooling Heat Pump Thermostat)
Installation Instructions - (T841A Heating-Cooling Thermostats)
Installation Instructions - (T841B Heating-Cooling Thermostats)
Installation Instructions - (T8411R Electronic Heat Pump Thermostat)
Installation Instructions - (T841A Heating-Cooling Heat Pump Thermostat- TRADELINE)
Product Data - (T841A, T841B Bomba de Calor y Termostatos Multigraduales -SPANISH)
Installation Instructions - (T841A Heating-Cooling Heat Pump Thermostat -Super Tradeline)
Installation Instructions - (T841D, T841E Heating-Cooling Thermostats)
Installation Instructions - (T841D, T841E Heating-Cooling Thermostats-TRADELINE)
Installation Instructions - (Y594C1421 Multistage Thermostat/Subbase Package (T841C1877/Q674B1554)-TRADELINE)
Product Data - (T841A, T841B Heat Pump and Multistage Thermostat)
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