Honeywell Thermostat CM921 Manuel d'utilisateur

Honeywell Control Systems Ltd.Arlington Business Park,BracknellBerkshireRG12 1EBTechnical Help Desk: 08457 678999www.honeywelluk.comCM921 - User Guide

• Temperature Override During normal operation (AUTO mode) the programmed temperature can be adjusted manually by press

Changing the User ParametersThe user mode allows you to modify some basic settings of the thermostat to meet your personal pref

c. Now choose which one of the following parameters you would like to change: i) Change the time format ‘CLOCK SELECT’ sho

Symptom Possible Cause RemedyThe thermostat has a blank LCD screen.Batteries not installed.Check to see if there are batteries in the battery compar

Symptom Possible Cause RemedyThe thermostat’s LCD display works but the heating does not switch on (HC60NG LEDs are off or gr

How do I change the batteries on the CM921 when they run out?The thermostat constantly monitors the battery power level, which typically last for ab

How do I remove the thermostat from the table stand or wall bracket?After programming is finished always replace the thermosta

Can I use my CM921 to control my air-conditioning system?Yes, if your system has been set up correctly you can use your thermostat to control the c

...an explanation for householders(The following explanation applies to heating applications only)A programma

42011077-103 R1The time on the programmer must be correct. Some types have to be adjusted in spr

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ContentsGETTING STARTED WITH THE CM921STEP 1: Installing the Batteries ... 3STEP 2: Setting the Date and Time ..

This section shows you how to setup and run the thermostat in 3 simple steps:STEP 1: Installing the BatteriesNote: Please follow the instructions in

STEP 2: Setting the Date and TimeTo set the Date and Time:a. Move the slider switch to the DATE position. ‘SET THE DAY’ will be displayed on the scr

The Built-in Heating ProgramThe built-in heating program has 6 temperature level changes that can be set between 3

b. To adjust the period start time press the or buttons and ‘TIME 1 OK?’ will be displayed. Holding the button down will

Disabling / Enabling Time PeriodsThe thermostat has 6 periods that can be programmed, but you may not need all of these switch

Choosing the Operating ModeThe thermostat can operate in three different modes: Automatic, Manual or Off. To set the operating mod