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Aube Technologies TH146-N-U - User Manual

Aube Technologies TH146-N-U
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TH146-N-U 1/12
TH146-N-U
Installation Guide
Non-programmable H/C Controller
The TH146-N-U electronic controller can be used with any of the fol-
lowing heating/cooling systems:
The following devices can be connected to the controller:
air recirculation fan
humidifier
dehumidifier or air exchanger
dual-register meter (dual energy)
remote control device (for the unoccupied mode)
CT280-3H3C control module
TH146 console with two wall anchors and mounting screws
AC144-03 outdoor temperature sensor (3 m or 10 ft) with mount-
ing clip (see section 2.7)
RC845 relay (see section 2.4)
AC146-410 plenum temperature sensor (see section 2.8)
CT241 telephone controller (see section 2.10)
Configure the control module according to your type of heating/cool-
ing system using DIP switches on the back of the module.
Install the control module near the heating/cooling system, away
from any heat source.
Install the console in a central location. Avoid locations with air
drafts (e.g., top of staircase or air outlet) or stagnant air (behind a
door). Do not install the console on a wall hiding air ducts nor
expose it to direct sunlight.
NOTE: If this controller replaces an old thermostat, any two of the
wires that were connected to the thermostat can be used to connect
the user console to the control module. The maximum wiring length
is 30 m (100 ft).
AC144-03 Outdoor
Temperature Sensor
TH146 User Console
CT280-3H3C Control Module
Removable
Connector *
Removable
Connector *
* To remove a connector from the control module, pry with a screwdriver.
1. Introduction
1.1
Applications
Heat pump
1H1C, 2H1C, 2H2C, 3H1C, 3H2C, 3H3C, 4H2C
HVAC
1H, 2H, 3H, 1C, 2C, 3C, 1H1C, 1H2C, 2H1C, 2H2C,
2H3C, 3H1C, 3H2C, 3H3C
1.2
Supplied Parts
1.3
Accessories
2. Installation
2.1
Control Module (CT280-3H3C)
2.2
User Console (TH146)
Heat pump
HVAC
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Aube Technologies TH146-N-U Specifications

General IconGeneral
TypeProgrammable thermostat
Voltage24 VAC
DisplayLCD
ProgrammableYes
BacklightYes
CompatibilityCompatible with most HVAC systems
Load0.5 A inductive
Temperature Range5°C to 30°C (41°F to 86°F)
Accuracy±0.5°C (±1°F)
Control TypeDigital
Stages1

Summary

Introduction to the TH146-N-U Controller

Applications of the TH146-N-U

Details the types of heating/cooling systems and connected devices compatible with the TH146-N-U controller.

Supplied Parts for TH146-N-U

Lists the items included in the TH146-N-U controller package, such as the control module and sensor.

Optional Accessories for TH146-N-U

Lists optional accessories available for the TH146-N-U controller, like sensors and telephone controllers.

Installation Guide for TH146-N-U

Installing the CT280-3 H3 C Control Module

Provides instructions for configuring the CT280-3H3C control module using DIP switches based on system type.

Installing the TH146 User Console

Offers guidelines for installing the TH146 user console in a suitable location, avoiding drafts and direct sunlight.

Connecting the Heating;Cooling System

Explains that terminal usage for the heating/cooling system depends on the system type, referring to wiring tables.

Using the RC845 Relay

Details the use of the RC845 relay for connecting furnace auxiliary heat and fan, and its wiring.

Connecting a Humidifier

Explains how to connect a humidifier in series with the power supply between the controller's H terminals.

Connecting a Dehumidifier or Air Exchanger

Details connecting a dehumidifier or air exchanger in series with the power supply between the controller's D terminals.

Installing the AC144-03 Outdoor Sensor

Provides installation guidelines and connection details for the AC144-03 outdoor temperature sensor.

Installing the AC146-410 Plenum Sensor

Lists requirements and installation instructions for the AC146-410 plenum temperature sensor.

Connecting the Dual-energy Input

Explains how to connect the dual-energy input to a dual-register meter for heat pumps with auxiliary heat.

Using the Unoccupied Mode Input

Describes connecting a remote control device to activate the unoccupied mode via a dry contact.

Configuration Options for TH146-N-U

Understanding Configuration Switches

Explains how to access the configuration switches by separating the console from its base.

Configuring Software Settings

Provides a step-by-step guide to configure the controller's software settings, including entering installer mode.

Principles of Operation for TH146-N-U

Automatic Heating;Cooling Changeover

Explains how the controller automatically switches between heating and cooling modes based on temperature differentials.

Balance Points for Heat Pumps

Describes the function of balance points in disabling the heat pump or auxiliary heating based on outdoor temperature.

Heating During Defrost Cycles

Details when auxiliary heat is activated during defrost cycles, including conditions that may prevent it.

Types of Heat Pump Installations

Explains the differences between Add-on and New installations for heat pumps and their impact on operation.

Interstage Delay Explained

Defines Interstage Delay and how it affects stage activation for heating or cooling systems.

Low and High Temperature Limits (LLMT;HLMT)

Explains the function of LLMT/HLMT to control plenum temperature and prevent extremes.

Smart Fan Operation

Describes the operation of the fan when the Smart Fan feature is enabled, particularly in unoccupied mode.

Automatic Humidification;Dehumidification

Explains how the controller automatically switches between humidifier and dehumidifier to maintain desired humidity levels.

Operating the TH146-N-U Controller

System Operating Modes

Details the different system operating modes: HEAT, COOL, AUTO, OFF, and EHEAT.

Fan Operating Modes

Explains the fan operating modes: automatic mode and continuous mode, and their behavior.

Displaying Humidity or Temperature

Describes how the controller can display either the indoor humidity level or the outdoor temperature.

Setting the Temperature

Explains how to view and modify the temperature setpoint, including automatic adjustments.

Setting the Humidity Level

Details how to set the humidity level manually or automatically, referencing configuration parameters.

Unoccupied Mode Activation

Explains how to place the controller in unoccupied mode using a remote control and its effect on temperature.

Temporary Bypass of Setpoint

Describes how changing the temperature setpoint in unoccupied mode temporarily bypasses the current setpoint.

Technical Specifications and Support

Technical Specifications

Provides technical specifications for both the CT280-3H3C Control Module and the TH146 User Console.

Product Warranty Information

Details the product warranty, including its duration, terms, and conditions for repair or replacement.

Technical Assistance Contact

Provides contact information for Honeywell Limited for technical assistance, including address and phone.

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