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Anleitung Zusammenfassung
The following devices can be connected to the controller: • heat pump • auxiliary heating (furnace) • air recirculation fan • humidifier • dual-register meter (dual energy) • remote control device (for the unoccupied mode) 1.2 Supplied Parts • CT280-HP-2H1C control module • TH146 console with two wall anchors and mounting screws • AC144-03 outdoor temperature sensor (3 m or 10 ft) with mounting clip (see section 2.7) 1.3 Accessories • RC845 relay (see section 2.5) • AC146-410 plenum temperature sensor (see section 2.8) • CT241 telephone controller (see section 2.10) 2. Installation 2.1 Control Module (CT280-HP-2H1C) Install the control module on the furnace’s electrical panel, away from the heat source. 2.2 User Console (TH146) Install the console in the area where you wish to measure the temperature and humidity. Avoid locations where there are 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 existing thermostat, the wires that were connected to the thermostat can be used to connect the console. The maximum wire length is 30 m (100 feet). 1) Choose a location about 5 ft. (1.5 m) above the floor on an inside wall. 2) Loosen the captive screw under the console. 3) Detach the console from its base by pulling the bottom section. 4) Secure the base using the wall anchors and screws. 5) Connect the console to controller terminals TH and TH (no polarity). 2.3 Heat Pump Connect the heat pump to the controller as follows: • Controller terminals R and C to heat pump terminals R and C (see section 2.4) • Controller terminal Y to heat pump terminal Y • Controller terminal O/B to heat pump terminal O • Controller terminal WW to heat pump terminal WW TH146-N-DE 400-280-000-G 9/22/06 1/8 • Controller terminal L to heat pump terminal L • Controller terminal W to heat pump terminal W (see section 2.5) • Controller terminal G to heat pump terminal G (see section 2.5) 2.4 24 V Transformer You might need a 24 V transformer if you have an add-on installation. Connect the transformer to the controller terminals R and C (24 Vac In). 2.5 RC845 Relay If you have an add-on installation, you might need a relay such as Aube’s RC845 to connect the furnace (auxiliary heating) and its fan to the controller. Install the relay near the control module. Connect the wires of the RC845 relay as follows: • relay terminals W, G and C to controller terminals W, 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. 2.6 Humidifier Connect the humidifier to controller terminals C and H (no polarity). 2.7 Outdoor Sensor (AC144-03) The outdoor sensor is required for the following: • balance points • automatic humidity control • outdoor temperature display • defrost point 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 wire length is 30 m (100 feet). 2.8 Plenum Sensor (AC146-410) The plenum sensor measures the temperature inside the plenum. This data is required for high pressure protection during the defrost cycle (see section 4.3). NOTE: The plenum sensor 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 sensor. NOTE: The maximum wire length is 30 m (100 feet). 2.9 Dual-energy Input The dual-energy input can be connected to the dual-register meter equipped with a normally open (NO) dry contact. Connect the terminals DE and CC of the controller to the terminals (yellow and red wires) of the dual-register meter. When the contact is open, the heat pump and auxiliary heating operate as usual. The contact closes when the outdoor temperature drops below the set threshold. 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 control device such as Aube’s telephone controller CT241 equipped with a dry-contact output (normally open). The unoccupied mode is activated when the contact closes. (See section 5.6.) 2.11Wiring Table 24 Vac In R C Power; 24 Vac Thermostat TH TH Console connection Plenum Sensor PS CS Plenum temperature sensor connection Outdoor Sensor OS CS Outdoor temperature sensor connection Dual Energy DE CC Dual energy conne...