Honeywell Chronotherm CM67 User's Manual
Contents
1. Honeywell FEATURES Attractive slim styling makes it ideal for location in any home 7 day program 6 daily independent time and temperature level changes let you set 6 time and temperatures pairs to suit your life style Temporary programmed temperature override to temporarily override the programmed temperature till the next switch point ww Party button to temporarily maintain or adjust the current temperature for 1 23 hours eh Day Off button copies Sunday s program into tomorrow or today to allow a rest day program without having to re program the CM67 I Holiday button provides energy savings by reducing the temperature for 1 to 99 days when people are on holiday returning to normal operation AUTO or MANUAL on the day of return EEPROM memory holds the user program indefinitely Telephone Interface optional can be fitted to the CM67 to allow switching between programmed mode slider position and fixed set point of 21 C 24 230V 8A resistive 3A inductive SPDT relay provides compatibility with most domestic central heating systems without stocking many different models Honeywell CM67 CHRONOTHERM PRODUCT SPECIFICATION SHEET The CM67 Chronotherm is designed to provide automatic time and temperature control of heating or cooling systems in villas and apartments It can be used as part of a system in conjunction with combi boilers oil burners and gas fired boilers circulation pumps2. The normal upper temperature limit of 30 C can be reduced down to 21 C to save energy Useful for small commercial premises The normal lower temperature limit of 5 C can be increased up to 16 C to protect the inhabitants from cold Useful if the inhabitants include the elderly children or disabled If the Chronotherm is located in a hot cold location and cannot be moved because of wiring then the measured displayed temperature can be adjusted by 3 C Useful if the homeowner wants the reading to match another appliance temperature display Can be adjusted up to 3 C default is 1 5 C to provide better temperature control less overshoot Useful for a Well insulated homes with over sized heating systems b Air systems with fast response Description An Outside Temperature Sensor can be fitted to your CM67 to allow the homeowner to display the outside temperate on the Chronotherm display by using the INFO 1 button CM67 will read the outside temperature every 10 minutes Outside temperature display range is from 30 C to 45 C The sensor can be connected up to 50 meters from the unit A Remote Temperature Sensor can be fitted to your CM67 to allow the Chronotherm to control temperature from another room or space where it is inconvenient to locate the CM67 It will read the remote sensor every 1 minute The sensor can be connected up to 50 meters from the unit Useful for commercial premises where th
3. thermal actuators zone valves and electric heat systems lt 8A The CM67 is designed with the installer in mind and includes a moulded backplate with trunking guides and wiring breakouts to make installation quick and easy The CM67 display buttons and slider layout are based on the same simple programming philosophy used on the acclaimed CM51 product The unit is ideal for consumers who want reliable precise temperature control from a simple to program easy to use product Surface or wallbox mounting options trunking guides and wiring breakouts simplify installation OFF position on the slider has an integral fixed frost protection setting at minimum of 5 C installer adjustable so that pipes in the house will never freeze in winter Installer Set Up Mode allows extra functions to be set at the discretion of the installer to match the consumers applications Optimisation Pump Exercise Upper Lower Setpoint Limit Adjust Temperature offset Minimum ON time Cycle rate Heat Cool Operation Proportional Band Width CM67 has provision for add on modules to allow the installer to sell additional features during or after the first CM67 installation giving the installer an additional sale Outside Temperature Sensor accessory optional can be fitted to the CM67 to display the external temperature Remote Temperature Sensor optional can be fitted to the CM67 to control the temperature from an
4. To exit installer mode move the slider in MAN or AUTO position In Installer set up we can UY Set up specific applications Q Enable special features Q Establish support for Optional Accessories CM67 CHRONOTHERM DAY PROG AUTO Abbreviated Set Up Description e g OP Optimisation Installer Set up Number Press or to change e g 1 Optimisation Installer Set Up Mode Selected Factory Setting or New Choice Press TEMP A or F to change e g O Optimisation disabled 1 Optimisation enabled What do you need to change Specific Applications Setting Cycle Minimum Hour ON time in minutes Heating Gas Boilers lt 8OKW Oil Boiler Electric heating for applications Thermal 1 Actuator e s eje R Zone valve NO lt 8A Air conditioning Heat Pump Air conditioner 7 ee Note a To change Cycle Hour please go to parameter n 9 in the installer set up mode b To change Minimum ON Time please go to parameter n 2 in the installer set up mode No action required 1 Set Minimum ON Time to 4 minutes 2 Set Cycle Hour to 3 Set Cycle Hour to 12 No action required 1 Configure the Chronotherm for electric heating set parameter n 7 in the installer set up mode to 1 Set Cycle Hour to 12 N o_o For cooling application only set the Chronotherm to cooling set parameter n 6 in the installer set up mode to 0 Fo
5. 30V 50 60Hz 50 60Hz 50 60Hz 6 o 0 24 230V 230V 24 230V 50 60Hz 50 60Hz lt 8A o o 230V 230V 50 60Hz 50 60Hz lt 8A oo NOTE The model shown opposite a ee BR T6667B1002 Honeywell English ENOR8498 can be ordered as samples to p O establish the exact customisation requirements Remote sensor T7043G1004 Honeywell Multi ENOR8496 Language Outside temp F42009537 Multi ENOR8495 sensor 001 Language Automatic Q6667B1007 Multi ENOR8501 Time Setting Language Module Europe Honeywell Honeywell Control Systems Limited http europe hbc honeywell com Newhouse Industrial Estate Motherwell ML1 5SB United Kingdom ENOR 8498 R2 11 98
6. e public may tamper with the product The ATS module picks up a time signal daily from a European transmitter so you never need to set or adjust the time What to do if we wish this feature Set parameter 1 in the installer set up mode to 1 Set parameter n 3 in the installer set up mode to 1 Set parameter n 8 in the installer set up mode to 1 Set parameter n 11 in the installer set up mode to the desired limit Set parameter n 12 in the installer set up mode to the desired limit Set parameter n 13 in the installer set up mode to the desired offset value Set parameter n 15 in the installer set up mode to the desired value What to do if we wish this feature 1 Fit the sensor instructions included in the sensor package 2 Set parameter n 10 in the installer set up mode to 1 1 Fit the sensor instructions included in the sensor package 2 Set parameter n 10 in the installer set up mode to 2 1 Fit the ATS module 2 Set parameter n 4 in the installer set up mode to 1 CM67 CHRONOTHERM Parameter Installer Set Factory Setting Optional Setting Installer Set Up Number Up Category Abbreviation Press keys Press or PROG 1 or 2 key to to select change 12 Optimisation 1 0P Optimisation disabled 1 Optimisation enabled 1 Minimum ON Time 2 0t 1 1 minute minimum ON time 2 to 5 2 2 minutes 1 3 3 minutes 4 4 minutes 5 5 minutes AM PM 24hr Display BC 24 hr cloc
7. k display 1 12 hr AM PM clock display 1 Accessory Module Type 4 At No accessory module D2 1 Auto Time Setting Module 1 plugged in 2 Weatherstation Module RESET Time 5 rP 1 Time Temperature profile set Time Temperature are as 1 Temperature Program to factory default Changes to 0 when one of the time temp profiles are changed programmed To restore the factory profile setto 1 Cooling Operation 2 m k e N You must now press the PROG 2 key to enter the next section Heat Cool Operation 6 HC 1 Heating Operation Electric Heat T Eh a Applications lt 3A 1 Applications 3 8A 2 Pump Exercise 8 PE D Pump Exercise Disabled 1 Pump Exercise Enabled 2 Cycle Rate 9 Cr 6 cycles per hour cph for gas 3 9 12 3 3 cph 2 boilers zone valves and fan 9 9cph coil 12 12 cph Second Temperature 10 SS No sensor fitted 1 Outside Temperature 2 Sensor Sensor fitted 2 Remote Temp Sensor fitted Upper Temperature Limit 11 UL 30 30 C Upper Temp Limit 21 to 29 21 C to 29 C adjustment in 2 1 C steps Lower Temperature Limit 12 LL 5 5 C Lower Temp Limit 6 to 16 6 C to 16 C adjustment in 2 1 C steps Temperature Offset 13 t0 No offset 3 to 3 3 C to 3 C adjustment in 2 0 1 C steps Pressure Offset 14 P0 No offset 99 to 3 99 mbar to 99 mbar 2 needed for adjustment in 1 mbar steps Weatherstation accessory only Proportional Band Width 15 Pb 1 5 1 5 C Proportional Band 1 6 to 3 0 1 6 C to 3 0 C adjustme
8. mperature Change Buttons increase Wr decrease Battery Compartment Program Buttons 0 5 K nominal 20 C 50 load 3 K A hour From 0 C to 40 C P 1 Proportional Integral 10 of cycle time min one minute adjustable to 2 to 5 min see installer set up 3 6 default 9 12 Selectable through the installer set up mode Terminal block capable of accepting wires up to 2 5 mm Mains wiring rear left or below Low voltage wiring rear left or below 130 x 87R 82L x 29 mm w x h x d 130 x 172 x 29 mm w xh xd flap open Operating temperature range 0 to 40 C Shipping and storage temperature range 20 to 55 C Humidity range 0 to 90 rh non condensing Designed to meet European EN approvals EN60730 1 1995 EN55014 1 1997 EN55014 2 1996 INSTALLER SET UP To enter the installer set up mode a Set the program slider to OFF b Press and hold Info 1 button and press PROG 3 4 together c The unit will display the first parameter of the installer parameter group category 1 from n 1 to n 5 d Press TEMP 4 or Wto change factory setting The display will flash indicating that a change has been made e Press INFO i button to confirm the change The display will stop flashing f Press or to go to next parameter g Press PROG 2 button to go to Installer parameter group category 2 from parameter n 6 to parameter n 16 h
9. nt in 2 0 1 C steps 1 0 Return all Set Up 16 FS All settings held are the factory Settings are as modified 2 Features to Factory defaults Changes to 0 when above Settings one of the parameter values 1 are changed To restore the factory profile setto 1 5 ENOR 8498 R2 11 98 CM67 CHRONOTHERM DIMENSIONS W OO iee eee m m m e Se omame e i ee e i eei Ii I 24 INSTALLATION LOCATION The CM67 Chronotherm is the temperature control element in the heating cooling system and MUST be located in a position with good air circulation at average room TR TTT Weg temperature on an inside wall 1 5 metres above the floor a iy elles level Do not position the CM67 Chronotherm near sources poe pa of heat radiators hot air vents TV or lights near doors or et es windows or in direct sunlight MOUNTING The CM67 Chronotherm can be mounted directly on the wall surface or on an electrical wallbox WIRING The CM67 Chronotherm is designed for fixed wiring only and must be installed in accordance with latest E E regulations Ensure the wiring connection to the supply is via a fuse rated at no more than 8 amps and a Class A switch having contact separation of at least 3 mm in all poles IMPORTANT 1 The installer must be a trained service engineer 2 Disconnect the power supply before beginning installation ENOR 8498 R2 11 98 6 CM67 CHRONOTHERM WIRING 24 230V 230V 24 2
10. other room ENOR 8498 R2 11 98 CM67 CHRONOTHERM CM67 CONTROLS DISPLAY LAYOUT Battery Low Indicator Day Marker Setting Slider Party Button SPECIFICATIONS Batteries Battery life Battery replacement Switch type Electrical rating Time display Time keeping accuracy Program Time setting resolution Sensing element Program 5 to 30 C in 0 5 C steps Temperature setting range ENOR 8498 R2 11 98 2x 1 5 V IEC LR6 AA Alkaline cells 4 years typical Duracell MN1500 for applications with loads lt 3A 3 years typical for electric heat applications gt 3A lt 8A Program retained in EEPROM SPDT potential free 230 V 50 60 Hz 0 5 A to 8 A resistive 0 5 A to 3 A inductive 0 6 pf 24 V 50 60 Hz 0 5 A to 8 A resistive 0 5 A to 3 A inductive 0 6 pf 24 hour or 12 hour AM PM format Typically better than 10 minutes per year 7 day with 6 daily time and temperature level changes Time of day 1 minute Program 10 minute steps 100K 25 C NTC thermistor Frost 5 C or equal to lower limit 5 C to 16 C Frost protection does not work in cooling mode Time Display Burner on Day Off Button Indicator Holiday Button Temperature control accuracy Room Temperature display range Control form Minimum ON time Cycle rate Wiring Wire access Dimensions Environmental Approvals Temperature Display Te
11. r heat cool application set the Chronotherm accordingly to required mode of operation winter heating summer cooling by changing parameter n 6 in the installer set up mode Explain to the end user how to implement the change over N 1 Set Minimum ON Time to 4 minutes 2 Set Cycle Hour to 3 3 ENOR 8498 R2 11 98 CM67 CHRONOTHERM Special Features Optimisation Variable Start Time Adaptive Intelligence recovery TM AM PM 24hr Display Pump exercise Upper Temperature Limit Lower Temperature Limit Temperature Offset Proportional Band Width Optional Accessories Outside Temperature Sensor Remote Temperature Sensor Automatic Time Setting ATS Module ENOR 8498 R2 11 98 Description The Chronotherm will adjust the start time in the morning afternoon so the desired temperature is reached by the start of the program period e g Time 7 00 Temp 21 C The Chronotherm will monitor the accuracy of the start up and use this information to modify the calculation for the following day by changing the ramp rate initial 3 K hr The system will restrict the start time to a max of 3 hours Optimisation will not work in cooling mode Change display format default 24hr When enabled the Pump Exercise will switch the relay on for 1 minute at 12 00 if the relay has not been switched on since 12 00 the previous day While in Holiday mode the Pump Exercise feature if enabled will operate
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