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Manual Honeywell CM67z Thermostat

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Manual

CM67Z ZONE CONTROLLER

EN0R 8534R0 03/03

INSTALLER SET-UP

This feature allows you to adjust CM67

to match the specific requirements of the application. Installer Set-up allows to:

❑ Set-up specific applications parameters

❑ Enable special features

❑ Configure zoning system operation

Special Features Description Setting

Optimisation -

Adaptive Intelligent

Recovery

1:OP

The CM67

will adjust the start time at upward setpoint changes so the

desired temperature is reached at the programmed time e.g 7:00 temperature

C.The chronotherm will monitor the start-up period and use this

information to modify the start time calculation for the next upward setpoint

change. The system will restrict the start time to a max of 3 hours before the

programmed comfort time

0* – disabled

1 – enabled

Minimum boiler On

time

2:Ot

Defines the minimum switch on and off time for the boiler. The selected value

is transferred via RF communication to HC60NG and is used as the key

boiler control parameter

1 min

(other values: 2, 3, 4,

AM-PM/ 24hr

Display

3:Cl

Change display format (default 24hr) 0* – 24 hr display

1 – AM/PM display

Internal temperature

sensor

7:tS

Allows configuring of the CM67

to use its own build in sensor to measure the

temperature in zone1. The measured values is used by all HR80 is zone1.

When built-in sensor is disabled will also display the measured temperature.

0* - disabled

1 – enabled

Cycle rate

9:Cr

Determines the length of boiler cycle. The selected value is transferred via

RF communication to HC60NG and is used as the key boiler control

parameter

6 cph (10 min)*

(other values: 3, 9)

System Timing

Master

10:St

To ensure synchronous operation of the boiler and zone valves (controlled by

HC60NG) in the system one of the CM67

has to be configured as the

system timing master sending the sync signal co-ordinating on/off cycling of

all HC60NGs.

0* – normal operation

1 – system timing

master

Fail-safe mode

16:LC

The CM67

allows you to set the fail-safe mode of operation of the heating

system if radio communication is lost. By default HC60 boiler controller relay

will be switched OFF in case of communication loss. Alternatively you may

choose to cycle the boiler at 2 min ON and 8min OFF. Useful when the

building is not occupied for long periods of time and there is a high risk of

frost damage.

0* – relay OFF

1 – relay cycles

Zone valve control

enable

17:CE

Allows sending a special message to control HC60NG operating as zone

valve controller. In this way flow in the whole zone can be controlled with just

one valve. This type of control can only be used for zone 1

0* - disabled

1 – enabled

Open window

detection function

18:Ho

According to factory default operation HR80 controller will close the valve

when open window is detected. This parameter allows configuring the HR80

to perform or ignore this function.

3* - enabled

0 - disabled in zone 1

& 2

1 - enabled in zone 1

2 – enabled in zone 2

HR80 local override

19:HL

According to factory default local override of HR80 setpoint is enabled. This

parameter allows disabling this function if required.

3* - enabled

0 - disabled in zone 1

& 2

1 - enabled in zone 1

2 – enabled in zone 2

* - factory default values

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Specifications

Brand	Honeywell
Model	CM67z
Category	Thermostats
File type	PDF
File size	0.65 MB

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Frequently Asked Questions about Honeywell CM67z Thermostat

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

What is the dead zone of a thermostat? Verified

Many modern thermostats have a dead zone. If the temperature deviates less than 4°C from the set temperature, the system will not heat or cool. This so called dead zone of the thermostat prevents the system from turning on and off too often, saving energy.

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What is the best place to mount a thermostat? Verified

The best place for a thermostat is approximately 1,5 meter above the ground. Never place the thermostat nead a radiator or other heat emitting equipment or in direct sunlight. Choose a room that is used often. In most cases this is the living room.

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