Configuration | Aube Technologies TH146-P-U specification

nChoose a location about 1.5 m (5 ft) above the floor on an inside wall.

oLoosen the captive screw under the console.

pDetach the console from its base by pulling the bottom section. q Secure the base using the wall anchors and screws.

rConnect the console to controller terminals TH and TH (no polarity).

2.3 Heating/Cooling System

The terminals used to connect the heating/cooling system depend on the type of system. See the appropriate wiring table on page 4.

2.4 RC845 Relay

If you have an add-on installation, you might need an RC845 relay to connect the furnace (auxiliary heating) and its fan to the control- ler. Install the relay near the control module and connect the wires as follows:

•relay terminals W, G and C to controller terminals W1, G and C.

•relay terminals T and T to the appropriate furnace terminals: T and T (oil); TH and TH (gas); R and W (electric).

NOTE: Refer to the relay’s installation instructions for more details.

If you have a 3H1C or 4H2C heat pump, a second RC845 relay might be required to connect the second auxiliary heat.

2.5 Humidifier

Connect the humidifier in series with the power supply between controller terminals H and H (dry contact).

2.6 Dehumidifier / Air Exchanger

Connect the dehumidifier or air exchanger in series with the power supply between controller terminals D and D (dry contact).

2.7 Outdoor Sensor (AC144-03)

The outdoor sensor is required for the following:

•outdoor temperature display

•balance points (heat pumps only, see section 4.2)

•defrost point (heat pumps only, see section 4.3)

•automatic humidity control (see section 7.2)

•use of an air exchanger (see section 4.10)

When installing the sensor, observe the following guidelines:

•Avoid locations where the sensor can be covered with snow or exposed to direct sunlight.

•Avoid air outlets and concealed chimneys or stove pipes. Install the sensor using its mounting clip and connect it to controller terminals OS and CS (no polarity).

NOTE: The maximum wiring length is 30 m (100 ft).

2.8 Plenum Sensor (AC146-410)

The plenum sensor is required for the following:

•low temperature limit inside the plenum (HVAC only)

•high temperature limit inside the plenum (HVAC only)

•fan limit if gas heating is used (HVAC only)

•high pressure protection during defrost cycle (This protection is generally needed for add-on installations only. It is not

needed if the heat pump is not connected to the controller terminal WW.)

Install the sensor on the side of the plenum and position it such that its aperture faces the air flow.

Connect the sensor to controller terminals PS and CS (no polarity). For more information, refer to the instructions provided with the sen- sor.

NOTE: The maximum wiring length is 30 m (100 ft).

2.9 Dual-energy Input

NOTE: The dual-energy input can be used only with a heat pump equipped with auxiliary heat.

The dual-energy input can be connected to the dual-register meter equipped with a normally open (NO) dry contact. Connect the con- troller terminals DE and CC to the meter terminals (yellow and red wires).

The contact closes when the outdoor temperature drops below the temperature setting on the meter. When the contact is closed, the heat pump is disabled and only the auxiliary heat can be used.

2.10 Unoccupied Mode Input

To use the unoccupied mode, the controller requires a remote con- trol device such as Aube’s CT241 telephone controller equipped with a normally open (NO) dry contact placed between terminals UN and CC of the controller. The unoccupied mode is activated when the contact closes. (See section 6.4.)

3. Configuration

3.1 Configuration Switches

To access the configuration switches, loosen the captive screw under the console and separate the console from its base by pulling the bottom section.

3.1.1Access Mode (SW1-1)

INST: Installer mode. Gives access to all configuration parameters.

NOTE: In installer mode, the short-cycle protection is disabled and the interstage delay is reduced to 1 minute.

USER: User mode. Gives access to configuration parameters 1 to 4 only.

3.1.2Keypad Lock (SW1-2)

I:The keypad is locked. Settings cannot be changed.

O:The keypad is unlocked.

3.2 Software Configuration

nPlace the console in Installer mode (INST) using the SW1-1 switch on the back of the console.

oPress the Mode button for 3 seconds to access the configura- tion menu (see page 8). The first menu item (parameter) is dis- played.

pTo view another menu item, briefly press the Mode button.

q To modify a parameter, press either button.

r To exit the configuration menu, press . s Return the console to User mode (USER).

TH146-P-U

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TH146-P-U specifications

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