Assessments - 3, GPA: 3.3
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.. All cables and connections must comply with local electrical codes. .. This thermostat has tinned copper wires for line and load connections. Special CO/ALR solderless connectors must be used if these wires will be connected to aluminium conductors. .. Install the thermostat onto an electrical box. .. Install the thermostat about 5 feet high, on an inside wall facing the heater. .. Avoid locations where there are air drafts (such as the top of a staircase or an air outlet), dead air spots (such as behind a door), or direct sunlight. .. Do not install the thermostat on a wall that conceals chimney or stove pipes. .. The thermostat wires are not polarized; either wire can be connected to the load or to the power supply. 1) Connect the thermostat Connect the thermostat wires to the power and to the load using solderless connectors for copper wires. .. Description 1. .. Installation 2. Period no. in Automatic mode Temperature Heating power indicator Time and day Manual mode Automatic mode Economy mode Setting no. in Economy mode Appears during a power failure Appears when the setpoint is displayed Flashes when the clock has been reset Up/Down buttons Mode button Day button Hour button Program button Return button Reset opening Minute button Appears if the thermostat is configured for a fan-forced heater 4-wire installation 2-wire installation 2) Mount the thermostat 2) Mount the thermostat Secure the thermostat to the electrical box using the provided screws. Insert the screws through either the right or left pair of mounting holes on the thermostat. 3) Complete the installation NOTE: If there is a protective film or sticker on the thermostat’s screen, peel it off. Apply power to the heating system. Verify the installation by checking that the heater can be turned On and Off by raising and lowering the setpoint using the Up and Down buttons. WARNING: Keep the thermostat's air vents clean and free from obstructions. • Temperature Display and Setting The thermostat normally displays the room (measured) temperature. • To view the set temperature (setpoint), press the Up or Down button once. • To change the setpoint, press the Up or Down button until the desired setpoint is displayed. • The screen is backlit for 10 seconds when any button is pressed. • Configuration The factory settings are inside the shaded cells of the following table. Temperature display °C °F Time display 24 h 12 h Temperature control Proportional (15-second cycles) Conventional (± 0.5°C deadband) WARNING: The clock loses its setting whenever you change the thermostat’s configuration. Temperature display To change the temperature display between °C and °F: • Open the thermostat’s door. • Press and hold the Day button. • Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat’s screen becomes blank. • Wait one second and release the Day button. Time display To switch between the 12-hour format and the 24-hour format: • Open the thermostat’s door. • Press and hold the Hour button. • Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat’s screen becomes blank. • Wait one second and release the Hour button. Control type • Use proportional control (default setting) in most cases as it provides better temperature control. • Use conventional control if you have a fan-forced heater. Fan is displayed when conventional control is selected. To switch between the two types of control: • Open the thermostat’s door. • Press and hold the Min button. • Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat’s screen becomes blank. • Wait one second and release the Min button. • Clock and Day Setting The clock must be set when Time flashes on the screen. • Open the thermostat’s door. • Press the Day button to set the day. • Use the Hour and Min buttons to set the clock. • Press the button to exit. • Modes of Operation The thermostat has three modes of operation: Automatic mode To use the Automatic mode, press the Mode button until Auto is selected (outlined) on the screen. The current period number will appear. In this mode, the thermostat automatically adjust its temperature setpoint according to the period of the day (wake up, leave for work, return home and sleep). You can program up to 4 periods in a day. You can set 2 different programs: one for the weekdays (Monday to Friday) and another one for the weekend (Saturday and Sunday). TH104PLUS 400-104-004-D 2008-01-29 2/4 The thermostat is preprogrammed with the following schedule: The thermostat is preprogrammed with the following schedule: Monday to Friday Saturday & Sunday Start Time Temperature Start Time Temperature 1 Wake 6:00 21°C (70°F) 6:00 21°C (70°F) 2 Leave 8:00 16°C (62°F) -- 3 Return 18:00 21°C (70°F) -- 4 Sleep 22:00 16°C (62°F) 22:00 16°C (62°F) To temporarily override the current setpoint, set the desired temperature using the Up or Down button. The new setpoint will be used ...