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TH146-P-U/U

Low volt programmable 3 heat/3 cool conventional and 4H/2C heat pump thermostat

This product is no longer available for purchase.

This product is available in the US only.

Product Info
Literature
Accessories & Replacement Parts

Overview

This thermostat features a 2-wire user console connection—ideal for retrofits. The TH146-P-U includes a programmable console, a control module, and an outdoor temperature sensor.

Features

Installer mode bypasses compressor lockout delay for quicker installations
Removable connector strip simplifies wiring
Control module for equipment connections can be installed near furnace/air handler. Only 2 wires required for console connection
Automatic Changeover between heating and cooling
Backlit console display shows indoor and outdoor temperatures, plus indoor humidity level
Complete defrost sequence protection (requires AC146-410 air duct temperature sensor)
Keypad lock for console prevents tampering
Dehumidifier/air exchanger output with automatic minimum air exchange time.

Product Specifications

Application: Heat/Cool or Heat Pump with Auxiliary Heat
Dimensions (in.): Control Module: 3.8 in. X 5.4 in. X 1.2 in.; User console : 3.1 in. X 3.1 in. X 1 in.
Dimensions (mm): User Console : 79 mm X 79 mm X 24 mm; Control Module: 95 mm X 137 mm X 30 mm
Includes: CT280-2H1C control module; TH146-P console; AC144-03 Outdoor Temperature; Sensor (10 ft/3 m) w/Mounting clip
Comments: Air exchange function; Removable control strips to simplify wiring; Dual-Energy Input; Backlit display; Remote input for telephone controller
Item Type: Product
Mounting: Vertical
Stages: Up to 4 Heat/2 Cool Heat Pump; Up to 3 Heat/3 Cool Conventional
Operating Humidity Range (% RH): 0% to 95%, non-condensing
Supply Voltage: 24 Vac
Switch Positions (System): HEAT-OFF-COOL-AUTO-EM.HEAT
Switch Positions (Fan): AUTO-ON
Operating Temperature Range (F): 32 F to 122 F
Operating Temperature Range (C): 0 C to 50 C
Power Method: Hardwired
Color: White
Sensor Element: Thermistor
Differential Temperature (F): ± 1 F
Differential Temperature (C): ±0.5 C
Switch Type: Relay
Programmability: 7 Day program
Terminal Designations: R, C, Y1, Y2, Y3, W1, W2, W3, G, (O/B), L
Changeover: Auto or Manual Selectable
Setting Temperature Range (F): 40 F to 86 F heating; 59 F to 104 F cooling
Setting Temperature Range (C): 15 C to 40 C cooling; 5 C to 30 C heating
Humidification Setting Range: 5% to 60%
Dehumidification Setting Range: 5% to 60%
Cool Current: 1.0 A
Heat Current: 1.0 A
Fan Current: 1.0 A