Honeywell CM67NG User Manual
HC60NG Relay Box Contr ols La yout
The relay box will normally be found mounted close to the boiler.
What if something happens to my heating system? How can I c hec k that the
See the troubleshooting guide below. If you need assistance after this call your installer.
CM67NG
T rouble-Shooting Guide
CM67NG is working?
honeywell
RF Programmable Thermostat
Push button and relay
status LED’s
What does it mean when the HC60NG relay box
green LED is ON?
The green LED indicates normal operation of the radio frequency
system. When the green LED is ON the boiler is also ON. When the
LED is OFF the boiler is OFF.
When do I need to use the push button?
You should use the push button to control your boiler only when the RF
communication is lost (see the CM67NG Trouble-Shooting Guide).
What other accessories can I buy for the
CM67NG?
Automatic Time Setting (ATS) “Add-On” Module *
(Part No. Q6667B1015)
The ATS module picks up a daily time signal from a transmitter in the
UK and corrects the time on the CM67NG display. So:
You never need to set or adjust the time
•
There is no need to adjust the unit by -/+ 1 hour in summer / winter
•
since the unit does this automatically
Your CM67NG is the most accurate clock in your home so you
•
can use this information to set-up all your other clocks.
* Not available in all Geographic Regions depending on transmitter
range and home location
Table stand for the room unit (Part No. F42010248-002)
If you do not want to mount the room unit on the wall you can use
optional table stand, ask you installer for details
Symptom
Blank display
Display shows flashing ‘battery’
symbol
Display shows ‘flame’ symbol but
heating does not switch on
Display works but heating does not
switch on (HC60NG LEDs are off or
green one is on)
HC60NG red LED is constantly on or
flashing
Heating switches on or off too slowly
or too quickly
Temperature swings between too hot
and too cold
Display show ‘spanner’ symbol
Possible Cause
No batteries
Wrong battery orientation
Exhausted batteries
Improper battery compartment inser tion
Batteries need replacing
The heating is not required at this
moment
Boiler switched off
Wrong electrical connection
RF communication lost due to the
wrong location of the room unit
RF communication fault
CM67NG not set correctly for your
system
CM67NG not set correctly for your
system
Fault in the CM67NG
Remedy
Check that the batteries are in the battery compartment and that the
paper tab has been pulled out
Check that the batteries have been installed in the correct orientation
Replace batteries
Remove battery compartment and re-insert
Change batteries as described previously
The heat demand is sent to the relay box as a value between 0-100%.
The relay box will adjust the boiler on time to meet this requirement.
That is why the heating will be off sometimes even if the ‘flame’
symbol is displayed. To check if RF system is communicating properly
press the TEMPerature UP button to increase the set temperature a
few degrees above the current temperature. The heating should come
on after a few seconds
Switch the boiler on
Call electrical installer to check the boiler and relay box power supply
as well as the connection between the boiler and the relay box
Hook the room unit back on the wall bracket or replace the room unit
on the table stand to the position where RF communication was
reliable.
Call installer
NOTE: You can control the boiler manually when the RF communica-
tion is lost:
Press the HC60NG push button to switch the boiler on and off. When
the green LED is on – the boiler is on.
Call installer
Call installer
Remove the battery compartment and re-insert it. If the ‘spanner’
symbol does not clear itself in a few minutes call the installer
What is an RF Programmable Thermostat?
A Honeywell Radio Frequency (RF) programmable thermostat is a
thermostat that controls your heating system so that you can have
comfortable temperatures when you are at home and energy savings
when you are out. With RF communication there is no need to provide
a wired connection between thermostat and boiler. The CM67NG
can therefore be installed without disrupting your room decor. These
instructions explain how to program and operate your CM67NG to
get the most comfort at the least cost.
What will the CM67NG Programmable Thermostat do for me?
Wireless connection to the boiler allows you to mount the
•
CM67NG in your room without disrupting the decor
Armchair programming lets you set up your CM67NG while
•
resting comfortably in your armchair
Optimum Start means that the CM67NG will switch on your
•
heating system so that your desired comfort temperature is
reached by the start of the program period and thus avoid
unnecessary boiler firing
Attractive slim styling compatible with any room decor
•
7 day program lets you set the CM67NG to match your weekly
•
lifestyle
6 daily independent temperature levels let you set any 6
•
temperatures from 5 to 30°C at any time each day, to match your
daily lifestyle
Party button lets you temporarily maintain (or adjust) the current
•
temperature for 1 - 23 hours. Useful when you have friends round
or go out of the house for a short while
Day Off button copies Sunday’s program into tomorrow so that
•
you can make the CM67NG follow the Sunday program if you
have a day off during the week
*Note: The room unit must be located in a location where reliable
communication was proven. Advise your installer where you would like
to position the room unit and they will check if the RF communication
is reliable in the selected location(s)
Honeywell Control Systems Ltd.
Arlington Business Park
Bracknell, Berkshire RG12 1EB
Tel: 01344 656000
Warning.
This product and its associated documentation and packaging are protected by various intellectual property rights belonging to Honeywell Inc and its
subsidiaries and existing under the laws of the UK and other countries. These intellectual and property rights may include patent applications,
registered designs, unregistered designs, registered trade marks, unregistered trade marks and copyrights and also include the following UK registration rights:
UK patent application number 98062207.8
UK registered design numbers 2073334, 2073340 and 2073343.
honeywell
www.honeywell.com/uk/homes.htm
Holiday button saves energy by letting you reduce the tempera-
•
ture for 1 to 99 days while you are on holiday, returning to normal
operation on the day you return
Memory holds the user program indefinitely so that it is never lost
•
even if you take the batteries out
What is Optimum Start?
Instead of switching on the heating at the set time every day, the
CM67NG will delay the start time to the latest possible moment, so
that unnecessary heating is avoided. All you have to do is set the time
when you want comfort temperature and CM67NG will then decide
when to turn the heating on, thereby ensuring your comfort.
42010476-003 R1
How do I install the batteries?
1. Lift up the front flap to reveal the battery compartment. Open the
battery compartment by inserting a coin underneath the bottom
right edge of the flap and lift out.
2. Pull the paper tab out to activate the 2 AA LR6 Alkaline Batteries
included and push the battery compartment firmly back into the
front of the unit. After a pause the unit will now display information.
CM67NG Controls/Display Lay out
The diagram below details the key button functions and display
information.
Battery Low
Day
Button
Copy Day
Button
Time
Change
Buttons
Setting
Slider
Indicator
Day Marker Time Display Heat Demand
Party Button
Holiday ButtonDay Off Button
Indicator
Temperature
Display
NG
Program
Buttons
Information
Enquiry
Button
Temperature
Change
Buttons
= increase
= decrease
Battery
Compartment
How do I set the time and day?
1. Move the slider to DAY / . The time and day marker will flash to
indicate they can be changed.
DAY/
PROG
AUTO
MAN
OFF
2. Press + or - until the correct time is displayed. Make sure that
AM or PM is correct. Each button press will change the time by
one minute and stop the display from flashing. Holding the button
down for a few seconds will change the time slowly at first, then
quickly.
3. Press DAY 1..7 until the day marker is positioned under the correct
day (DAY 1 is Monday). Each button press moves the day marker
by one day.
1234567
PM
How do I get started with the built-in temperature program?
Move the slider to AUTO.
The CM67NG will now control your heating using the built-in
temperature program:-
Monday to Friday
Program 1 2 3 4 5 6
Time 06:30 08:00 12:00 2:00 6:00 10:30
Temperature 21°C18°C21°C18°C21°C16°C
Saturday and Sunday
Program 1 2 3 4 5 6
Time 08:00 10:00 12:00 2:00 6:00 11:00
Temperature 21°C21°C21°C21°C21°C16°C
How do I set my own temperature program for
each day of the week?
1. Move the slider to PROG. The first temperature change time and
setpoint for Monday will flash to indicate that they can be changed
(the two small arrows are displayed only when the programmed
temperature level is shown).
DAY/
PROG
AUTO
MAN
OFF
2. Press + or - to adjust the first temperature change time.
Holding the button down will change the time quickly. The change
time can be set in 10 minute steps from 03:00 in the morning. The
change time can be adjusted up to 02:50 on the next morning, so
you can maintain the evening temperature after midnight.
(Note: If you attempt to move a change time past the next change
time, both times will be moved).
3. Press the TEMP or to adjust the first temperature level.
Holding the button down will change the temperature quickly. The
temperature can be set in 0.5°C steps from 5°C to 30°C.
4. Press PROG 2 to display the second temperature change time
temperature level for Monday. Use + or - and TEMP or
change the time and temperature.
5. The remaining temperature changes for Monday can be displayed
by pressing PROG buttons 3, 4, 5 and 6 and adjusted by using
+ or - and TEMP or . (If you don’t want to use all the
temperature change times 2, 3, 4, 5 or 6, refer to the section “What
if I don’t want to use all 6 temperature change times?”).
You now have a choice to set the program for the next day:-
6a. Press COPY DAY to copy Monday’s program into Tuesda y. To set
several days of the week to the same program, press COPY DAY
repeatedly.
6b. Press DAY 1..7 to move the day marker to Tuesday (Day 2). The
program for Tuesday can then be set as described in steps 2 to 5.
Programs for Wednesday (Day 3) to Sunday (Day 7) can be set in
the same way, using DAY 1..7.
7. Move the slider to AUTO when you have completed steps 6a or 6b,
The CM67NG will now control the room temperature at the times
and temperatures you have set.
1234567
123456
and
to
What if I don’t want to use all 6 temperature
change times?
The built-in program uses 6 temperature change times as indicated by
the numbers 1, 2, 3, 4, 5 and 6 on the display. With the slider in the
PROG position, unwanted change times can be deleted by holding the
appropriate PROG buttons (2, 3, 4, 5 or 6) down for a few seconds.
The change time will be removed and the display will show dashes
instead of a time / temperature display.
Deleted temperature change times can be brought back by again
pressing the appropriate program button (2, 3, 4, 5 or 6) for a few
seconds, with the slider in the PROG position.
Can I change the programmed temperature for a
short time?
When the slider is in AUTO, the temperature can be adjusted temporarily by pressing TEMP or . The temperature will return to the
program at the next temperature change time.
How do I check the programmed temperature?
In normal operation the temperature displayed is the actual room
temperature. To check the programmed temperature press and the
display will show the programmed temperature with the two small
arrows.
How do I set one temperature for the whole
day?
To operate as a simple thermostat with one temperature throughout
the day, move the slider to MAN. Adjust the manual temperature by
pressing TEMP or . The manual temperature can be set
anywhere from 5°C to 30°C in 0.5°C steps.
I am having some friends round for tea/coffee.
How can I extend my heating pr ogram for a few
hours?
When the slider is in AUTO, the temperature can be adjusted temporarily by pressing the (PARTY) button. Set the party time (1 - 23
hours) by pressing + or -. Set the
pressing TEMP
temperature for the set number of hours and then go back to the
normal temperature program.
To cancel the PARTY setting, press a second time.
The button can also be used when you go out and want to reduce
the temperature for a few hours to save energy.
or . The CM67NG will control to the new
party temperature (5°C - 30°C) by
I have a day off work tomorrow and I am staying
at home, do I have to re-program the
CM67NG?
No, with one button press, the CM67NG will remember that tomorrow is a day off. Tomorrow, the CM67NG will control the temperature
using Sunday’s program.
When the slider is in AUTO, press (DAY OFF). A symbol will
appear and the day marker for tomorrow will flash. This indicates that
the Sunday temperature program will be followed tomorrow. Tomorrow
the symbol will still appear but without the flashing day marker.
The CM67NG will control tomorrow’s temperatures using Sunday’s
program.
To cancel tomorrow’s DAY OFF, press twice.
If you have 2 or more days off, press each night before going to
bed.
1234567
DAY/
PROG
AUTO
MAN
OFF
If you have a DAY OFF today and want to control the temperature
using Sunday’s program press twice.
To cancel any DAY OFF setting, press repeatedly until the
symbol disappears.
Display T oday
1234567
Display T omorro w
I am going on holiday for a few da ys. Ho w do I
save energy but ensure that the house is warm
when I return?
1. Move the slider to the operating position you require on returning
from holiday (AUTO or MAN)
2. Press
temperature.
3. Press
flashing day marker shows you the holiday return day.
4. Press TEMP or to set the holiday temperature (5°C - 30°C).
The unit will control to the new temperature for the set number of days
holiday. At midnight the holiday counter will be reduced by one until the
selected number of days have passed. The unit will then return to
normal control as set by the MAN or AUTO position.
To cancel the HOLIDAY setting, press a second time.
How can I switch the
(HOLIDAY) to display the holiday days counter and
+ or - to set the holiday time (1 - 99 days). An extra
Heating
on and off
manually?
To switch the boiler ON or OFF:
1. Move the slider to the MAN position.
2. Press TEMP or until the boiler switches ON or OFF.
How can I switch the CM67NG off?
Move the slider to the OFF position. The unit will now control at 5°C.
How do I know when the batteries need to be
changed and how do I do this?
Your CM67NG has built-in electronics that constantly monitor the
battery power level. With no accessory fitted the batteries should last
about 2 years. When the batteries need replacing, a flashing
symbol will be displayed.
To change the batteries:
1. Lift up the front flap to reveal the battery compartment. Open the
battery compartment by inser ting a coin underneath the bottom
right edge of the flap and lift out.
2. Replace the used batteries with 2 new AA LR6 Alkaline Batteries
(Duracell are recommended) and push the battery compartment
firmly back into the front of the unit.
RESPECT Y OUR ENVIRONMENT!
Take care to dispose of used batteries carefully.
The CM67NG has a permanent memory to keep your program
settings while you change the batteries, you should never need to
reprogram. However, if you take more than one minute to change
them, you may need to correct the time by moving the slider to DAY /
and using the + or -.
Can I use the CM67NG to control my
air-conditioning system?
Yes. Please refer to your installer for more information.
How do I remove the CM67NG from the wall
bracket?
After programming is finished always replace the CM67NG back on
the wall bracket.
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