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Installation Guide

9

4.5 Installer Parameters Table
4.5.1 Category 1 - Room Thermostat Settings

Note

1) Remember to always press the green   button to confirm that you want to store your new Installer Set-

Up setting. To exit the Installer Mode press the 

AUTO

 or 

MAN

 button.

Parameter

Parameter 

No.

Factory Default Setting

Optional Setting

Category 1 Parameters – Room Thermostat Settings

Display Description

Display  Description

AM-PM / 24hr 

Display

1:CL

12

12 hr – AM/PM clock 

display format

24

24 hr clock display format

Reset Time/ Temp 

Program

2:rP

1

Time / Temp profile 

set to factory default

Changes to 0 when 

one of the time/temp 

profiles are changed

0

Time / Temperature are as 

programmed 

To restore the factory profile set to 1

Auto Summer/

Winter Time 

Change

3:tC

1

Auto Summer/Winter 

Time Change 

Enabled

0

Auto Summer/Winter Time Change 

Disabled

LCD Backlighting

5:bL

1

Backlighting Enable

0

Backlighting Disabled

Upper Temp Limit

6:uL

35

35°C Upper Temp. 

Limit

21 to 

34

21°C to 34°C adjustment in 1°C 

steps

Lower Temp Limit

7:LL

5

5°C Lower Temp. 

Limit

5 to 21

6°C to 21°C adjustment in 1°C steps

Optimisation

8:OP

0

Optimisation 

Disabled

1

Optimisation Enabled

Temperature 

Offset

12:tO

0

No temperature 

offset

-3 to 

+3

-3°C to +3°C adjustment in 0.1°C 

steps

Proportional Band 

Width

13:Pb

1.5

Proportional band of 

1.5 degrees

1.6 to 

3.0

1.6°C to 3.0°C adjustment in 0.1°C 

steps

Scheduled 

Maintenance Alert 

Period (months)

19:SP

0

Scheduled 

Maintenance Alert 

Period disabled

0 to 48

0 to 48 months adjustment in 1 

month steps

Reset Parameters 

to Factory 

Defaults

20:FS

1

All settings at factory 

defaults

Changes to 0 when 

one of the parameter 

is changed

0

Settings are as modified above 

To restore the factory profile set to 1

Summary of Contents for CM721

Page 1: ...roducts from individual system packs are separated or mixed with other pre configured system packs during installations please refer to section 5 1 Binding Rebinding Procedure to bind the desired units together and allow them to communicate with each other Table of Contents Section Page 1 Installation Information 2 2 Installing the CM700 Wireless System 3 2 1 Installing the Relay box 3 2 2 Install...

Page 2: ... strength of the RF signal reaching the relay box depends on the number of walls and ceilings separating it from the room thermostat as well as the building construction the diagram below illustrates an example of typical signal strength reduction Walls and ceilings reinforced with steel or plasterboard walls lined with metal foil reduce the RF signal significantly more Once a position is selected...

Page 3: ...iance considerations Keep AC mains supply load cables separate from signal wiring Refer to Code of Practice standards EN61000 5 1 and 2 for guidance NOTE The Relay Box contains no user serviceable parts It should be opened and installed by qualified installer only WARNING Electrostatic sensi tive device Do not touch the circuit board NOTE All wiring must be in accordance with IEE regulations CAUTI...

Page 4: ...the green button to confirm c Press the or buttons to set the current year e g yr 07 2007 then press the green button to confirm The date is now stored d Use the or buttons to set the correct time then press the green button to confirm Each press of the buttons will change the time by one minute and holding them down will change the time slowly at first and get progressively quicker Note If this m...

Page 5: ...djust the setpoint up to the maximum 35 C by pressing the button The boiler should come on green LED ON on relay box after a few seconds and the symbol appears on the room thermostat LCD display 5 Press the OFF button The boiler will go off green LED OFF on relay box after a few seconds and the symbol disappears 6 Check the system operation by alternately pressing the MAN and OFF buttons several t...

Page 6: ...iod of 1 hour the red LED will illuminate to indicate that no RF messages have been received during the last hour The relay box will also enter the failsafe mode as selected in Installer Mode see section 4 2 BDR91 Relay box Fail Safe Mode Setup To allow manual control of the relay box output manual override is available in fail safe mode When RF communication is restored the relay box will automat...

Page 7: ...o indicate the selected fail safe mode IMPORTANT To enable the frost protection when RF communication is lost select the fail safe mode 1 For systems with separate frost protection thermostat or where frost protection is not required select fail safe mode 0 1 Press the OFF button 2 Press and hold the button and the two PROGRAM and buttons together 3 The unit will display the first parameter of ins...

Page 8: ...e preset period expires the CM721 CM727 will display the SERVICE icon Set parameter 19 SP to the required value to enable maintenance alert Value set to zero disables the function Summer Winter Auto time change This feature moves time automatically on the last Sunday of March and the last Sunday of October The feature is factory enabled To enable Set parameter 3 tC category 1 to 1 Temperature Offs...

Page 9: ...1 Auto Summer Winter Time Change Enabled 0 Auto Summer Winter Time Change Disabled LCD Backlighting 5 bL 1 Backlighting Enable 0 Backlighting Disabled Upper Temp Limit 6 uL 35 35 C Upper Temp Limit 21 to 34 21 C to 34 C adjustment in 1 C steps Lower Temp Limit 7 LL 5 5 C Lower Temp Limit 5 to 21 6 C to 21 C adjustment in 1 C steps Optimisation 8 OP 0 Optimisation Disabled 1 Optimisation Enabled Te...

Page 10: ...tton on the room thermostat Then press the and buttons together along with the button The unit will display InSt and CONTROL BINDING 5 Press the green button to send the binding signal out to the relay box The red LED is switched off to confirm successful binding operation If the red LED still flashes push the button again until binding is successful 6 Now go to Section 2 Installing the CM700 Wire...

Page 11: ...correct or incomplete binding procedure Incorrect position of the room thermostat during binding Repeat the binding procedure Repeat the binding procedure keeping approx 1 m distance between the relay box and the room thermostat The red LED on the relay box is illuminated Communication loss The relay box receives no RF messages from the room thermostat RF signal is blocked due to wrong location of...

Page 12: ...and by its Authorised Representative Honeywell International Inc Honeywell Control Systems Ltd Arlington Business Park Bracknell Berkshire RG12 1EB Technical Help Desk 08457 678999 www honeywelluk com Hereby Honeywell declares that this CM727 CM721 room thermostat and BDR91 Relay Box are in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC 2006 95 EC a...

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