Honeywell Control Systems Ltd.
Arlington Business Park,
Technical Help Desk: 08457 678999
© 2006 Honeywell International Inc.
CM927 - User Guide
7 day Wireless Programmable Room Thermostat
with LoT Technology
The Honeywell CM927 is a 'wireless' programmable room thermostat designed to
control you heating system efficiently, providing comfortable temperatures when you
are at home and energy savings when you are away. With 'wireless' communication
there is no need to provide a wired connection between the thermostat and boiler.
The following instructions explain how to set up, program and operate your
Honeywell CM927 Programmable Room Thermostat.
Wireless connection to the boiler allows you to mount the Chronotherm in your
room without decor disruption
Armchair programming feature lets you program your Chronotherm while
resting comfortably in your armchair
Ergonomic User Interface features an 'OK-button' making the CM927 very
easy to use so you always stay in control.
LoT Technology provides informative 'on-screen' feedback and operational
assistance to the user.
Extra Large LCD (Liquid Crystal Display) Screen with Backlight provides
added user friendliness and clearer viewing – even in the dark.
7-day heating program lets you set the CM927 independently for each day of
the week to match your lifestyle, whilst maximizing energy savings.
6 independent temperature levels per day lets you set any 6 temperatures you
require (from 5 to 35°C) so you can enjoy economical comfort every day
Holiday button saves energy by letting you reduce the temperature for 1 to 99
days while you are away from home, resuming normal operation on your return.
Party button lets you temporarily maintain (or adjust) the current temperature for 1
- 23 hours. Useful when you have guests or leave the house for a short period.
Day Off button copies Sunday's program into any other day of the week, so that
you can make the CM927 follow this program if you have a day or days off.
Automatic Summer/Winter Time Change will adjust the clock automatically for
'Daylight Saving Time'.
Built-in Memory holds the user program indefinitely so that it is never lost –
even if you remove the batteries.
Optimum Start option is an advanced feature which ensures that the optimum
temperature conditions are achieved at the required times (option set by your