User manual HONEYWELL CM67NG

[. . . ] When the green LED is ON the boiler is also ON. When the LED is OFF the boiler is OFF. Display shows flashing `battery' symbol Improper battery compartment insertion Batteries need replacing Display shows `flame' symbol but heating does not switch on The heating is not required at this moment What is an RF Programmable Thermostat? A Honeywell Radio Frequency (RF) programmable thermostat is a thermostat that controls your heating system so that you can have comfortable temperatures when you are at home and energy savings when you are out. With RF communication there is no need to provide a wired connection between thermostat and boiler. The CM67NG can therefore be installed without disrupting your room decor. [. . . ] How do I save energy but ensure that the house is warm when I return? 1. Move the slider to the operating position you require on returning from holiday (AUTO or MAN) (HOLIDAY) to display the holiday days counter and 2. Press + or - to set the holiday time (1 - 99 days). An extra flashing day marker shows you the holiday return day. Press TEMP or to set the holiday temperature (5°C - 30°C). The unit will control to the new temperature for the set number of days holiday. At midnight the holiday counter will be reduced by one until the selected number of days have passed. The unit will then return to normal control as set by the MAN or AUTO position. To cancel the HOLIDAY setting, press a second time. How do I set one temperature for the whole day? To operate as a simple thermostat with one temperature throughout the day, move the slider to MAN. Adjust the manual temperature by pressing TEMP or . The manual temperature can be set anywhere from 5°C to 30°C in 0. 5°C steps. 1 2 3 4 5 6 CM67NG Controls/Display Layout The diagram below details the key button functions and display information. Battery Low Indicator Day Button Copy Day Button Temperature Change Buttons = increase = decrease Battery Compartment Day Marker Time Display Heat Demand Temperature Display Indicator 2. Press + or - to adjust the first temperature change time. Holding the button down will change the time quickly. The change time can be set in 10 minute steps from 03:00 in the morning. The change time can be adjusted up to 02:50 on the next morning, so you can maintain the evening temperature after midnight. (Note: If you attempt to move a change time past the next change time, both times will be moved). Press the TEMP or to adjust the first temperature level. Holding the button down will change the temperature quickly. The temperature can be set in 0. 5°C steps from 5°C to 30°C. Press PROG 2 to display the second temperature change time and + or - and TEMP or to temperature level for Monday. The remaining temperature changes for Monday can be displayed by pressing PROG buttons 3, 4, 5 and 6 and adjusted by using + or - and TEMP or . (If you don't want to use all the temperature change times 2, 3, 4, 5 or 6, refer to the section "What if I don't want to use all 6 temperature change times?"). [. . . ] With no accessory fitted the batteries should last about 2 years. When the batteries need replacing, a flashing symbol will be displayed. Lift up the front flap to reveal the battery compartment. Open the battery compartment by inserting a coin underneath the bottom right edge of the flap and lift out. [. . . ]