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What is an RF Chronotherm?
A Honeywell Radio Frequency (RF) communicating Chronotherm is a
programmable 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 wired connection between thermostat and boiler. The
Chronotherm can therefore be installed without disrupting your room
decor. Instead of wired connection the Chronotherm sends a radio
frequency signal directly to the relay box installed next to the boiler.
These instructions explain how to program and operate your
Chronotherm to get the most comfort at the least cost.
What will the
CM67NG Chronotherm do for me?
Wireless connection to the boiler allows you to mount the
Chronotherm in your room without decor disruption
Armchair programming feature lets you program your
Chronotherm while resting comfortably in your armchair
Attractive slim styling makes it ideal for location in any room in
your home
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
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 remove the batteries
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 it 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.
RF Chronotherm
Automatic Time Setting (ATS) Add-On Module *
The ATS module picks up a daily time signal from a transmitter in
Central Europe and corrects the time on the RF Chronotherm 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 Chronotherm 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.
Can I use my Chronotherm to control my air-
conditioning system?
Yes. Please refer to your installer for more information.
CM67NG
Trouble-Shooting Guide
What if something happens to my heating system? How can I check that the Chronotherm is working?
See the troubleshooting guide below. If you need assistance after this call your installer.
42010476-001 R1
honeywell
When do I need to use the push button?
During the normal system operation there is no need to use HC60NG
push button. You can control your boiler manually using your
CM67NG room unit:
1. Move the slider to the MAN position
2. Switch the boiler ON or OFF by pressing the TEMPerature
or
button to increase or decrease the programmed temperature.
You should use the push button to control your boiler only when the
radio
frequency communication is lost (see the
CM67NG Trouble-
Shooting Guide).
Multi-zone Heating Systems
How can I enhance comfort and save energy
with Honeywell RF multi-zone system?
We are quite used to switching the lights on in our houses using
individual switches in every room. It is common that we even use more
than one light switch to control the lights in the room. Yet we still expect
that one room thermostat will control heating in the entire house,
providing comfort for all inhabitants and maximum energy efficiency of
the heating system. Certainly just one room thermostat can not meet
these requirements. To address the needs of modern households,
Honeywell developed CM60NG – simple and practical heating
controller for up to 4 zones.
Why do I need a multi-zone system?
We can all distinguish at least two functional zones in our houses. A
day time zone, where we spent our time when we are active and the
night zone where we sleep. Sometimes we can define more zones e.g.
study zone or teenager’s zone. This functional division of the house
into zones dictates the need for different temperatures at different
times of the day. Therefore our heating control system should allow us
to set and program temperatures individually for each zone.
What is required to install a zoning system?
First, your heating system has to be laid out in a way that allows
control of the heat supply to a zone by means of zone valves or pumps
(see drawing, ask you installer for details).
If this condition is fulfilled the rest is easy. Ask your installer to add
additional zone controller(s) and a boiler controller.
Is the Honeywell zoning system easy to use?
It is very easy to use. In fact it is just an additional room unit exactly
the same as standard CM60NG. As the system is using RF commu-
nication you do not have to install the room unit on the wall in the
second zone. Just mount it on the table stand and find suitable location
where the communication is always reliable.
What are the benefits of installing Honeywell
multi-zone system?
- Enhanced comfort - you can now control temperature individually
in each zone
- Improved efficiency of your heating system – your multi-zone RF
system will save energy delivering heat only to the zones, which
really require it.
Multi-zone System Plan
Note: You can extend the system to control up to 4 zones
Zone 1
Zone 2
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 insertion
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
Chronotherm not set correctly for your
system
Chronotherm not set correctly for your
system
Fault in the Chronotherm
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 send 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
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