Honeywell RLV430A Owner's Manual - Page 2

2) Mount the thermostat Push the excess wires back inside the electrical box. 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. p Temperature Display and Setting 3. 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. q Configuration 4. The factory settings are inside the shaded cells of the following table. Temperature display Time display Temperature control °C °F 24 h 12 h Proportional Conventional (15-second cycles) (± 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: n Open the thermostat's door. o Press and hold the Day button. p Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat's screen becomes blank. q Wait one second and release the Day button. Time display To switch between the 12-hour format and the 24-hour format: n Open the thermostat's door. o Press and hold the Hour button. p Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat's screen becomes blank. q 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: n Open the thermostat's door. o Press and hold the Min button. p Insert a pointed object (e.g., paperclip) in the reset opening. Remove it when the thermostat's screen becomes blank. q Wait one second and release the Min button. r Clock and Day Setting 5. The clock must be set when Time flashes on the screen. n Open the thermostat's door. o Press the Day button to set the day. p Use the Hour and Min buttons to set the clock. q Press the button to exit. s Modes of Operation 6. The thermostat has three modes of operation: Automatic (programmable) 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). RLV430 69-1855-1 2008-01-29 2/4