Instruction/ maintenance manual of the product 42011076-003 Honeywell
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ECO AND DATE PART NUMBER DRAWN MKTING ARTWORK DESCRIPTION DRAWING DETAILS SIZE AND FOLDING MATERIAL PRINTING SEE FOLLOWING PAGES FOR COLOUR DESIGNATION.
CM900 Wireless Installation Guide CM927 / CM921 Wireless Programmable Room Thermostat & HC60NG Receiver Box Description The Honeywell CM900 Wireless (CM927 or CM921) is a modern wireless programmable room ther mostat based on Honeywell’ s proven programming philosophy .
CM900 Wireless - Programmable Room Thermostat 1) Installation Inf ormation As these products communicate using RF technology special care must be taken during installation. The location of the RF components as well as the building structure may influence per formance of the RF system.
Installation Guide 2) Installing the CM900 Wireless System Please follow the illustrations and information below in sequence to install the receiver box and room thermostat correctly . For applications other than gas boilers, enabling special features and to see what other system options are available r efer to section 4) Installer Mode .
CM900 Wireless - Programmable Room Thermostat 2.2 Installing the Room Thermostat 2.2.1 P ower Up 1. Remove the batter y cover and insert the batteries supplied with the room thermostat (2 x AA LR6 Alkaline Batteries). 2. On the initial power up the available user interface languages will be displayed (only on cer tain models).
Installation Guide 2.2.3 Locating the Room Thermostat While still in the T est Mode, as described in section 2.2.2 , the room thermostat should be located taking the following into consideration and reviewing the illustrations below: 1. Find a suitable location wher e the signal transmission is r eliable.
CM900 Wireless - Programmable Room Thermostat 3.1 A utomatic Operation The receiver box r eceives the heat demand (0- 100%) signal from the room ther mostat. The room thermostat will display the symbol on the LCD display whenever more heat is required.
Installation Guide 4.1 Entering Installer Mode 4.2 HC60NG Receiver Bo x Fail-Saf e Mode Setup The failsafe mode defines the receiver box output relay status if the RF communication is lost (e.g. when the room thermostat stops communicating due to discharged batteries).
CM900 Wireless - Programmable Room Thermostat 4.3 Using the Room Thermostat for Specific Applications The CM927/921 RF room ther mostat is a versatile controller that can be used to control many different applications.
Installation Guide 9 4.5 Installer P arameters T able 4.5.1 Category 1 - Room Thermostat Settings Notes 1) Remember to always pr ess the green button to confirm that you want to store your new Installer Set- Up setting. T o exit the Installer Mode move the slider switch to the A UTO or MAN position.
10 CM900 Wireless - Programmable Room Thermostat 4.5.2 Category 2 - System Settings Notes 1) Remember to always pr ess the green button to confirm that you want to store your new Installer Set- Up setting. T o exit the Installer Mode move the slider switch to the A UTO or MAN position.
Installation Guide 11 5) Additional Installation Inf ormation 5.1 Binding / Rebinding Procedure The binding operation described below is requir ed if: • Any of the system components (room thermostat or receiver box) are r eplaced. • The receiver box has incorrect or no binding data stored (e.
6) T r ouble Shooting 6.1 T rouble Shooting Guide 42011076-003 R2 © 2006 Honeywell International Inc. “Manufactured for and on behalf of the Environment and Combustion Contr ols Division of Honeywell T echnologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorised Representative Honeywell International Inc.
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