Honeywell CM67 Special Features, Description, What to do if we wish this, feature, Optional

Models: CM67

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Special Features

CM67 CHRONOTHERM

Special Features

Description

 

 

 

What to do if we wish this

 

 

 

 

 

 

feature

Optimisation (Variable

The Chronotherm will adjust the start time in the

Set parameter. 1 in the installer set-

Start Time)

morning/ afternoon so the desired temperature is

up mode to 1.

Adaptive Intelligence

reached by the start of the program period e.g. Time

 

recovery TM

7:00, Temp 21 oC. 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.

 

 

 

 

AM-PM/ 24hr Display

Change display format (default 24hr)

Set parameter n.3 in the installer set -

 

 

 

 

 

 

up mode to 1.

 

 

 

Pump exercise

When enabled the Pump Exercise will switch the relay

Set parameter n.8 in the installer set -

 

on for 1 minute at 12:00 if the relay has not been

up mode to 1.

 

switched on since 12:00 the previous day.

 

 

While in Holiday mode the Pump Exercise feature, if

 

 

enabled, will operate.

 

 

 

 

 

Upper Temperature

The normal upper temperature limit of 30 oC can be

Set parameter n.11 in the installer set

Limit

reduced down to 21 oC to save energy. Useful for small

-up mode to the desired limit.

 

commercial premises.

 

 

 

 

 

Lower Temperature

The normal lower temperature limit of 5 oC can be

Set parameter n.12 in the installer set

Limit

increased up to 16 oC to protect the inhabitants from

-up mode to the desired limit.

 

cold. Useful if the inhabitants include the elderly,

 

 

children or disabled.

 

 

 

 

 

 

Temperature Offset

If the Chronotherm is located in a

hot/cold location and

Set parameter n.13 in the installer set

 

cannot be moved because of wiring then the measured/

-up mode to the desired offset value.

 

displayed temperature can be adjusted by +/- 3 oC.

 

 

Useful if the homeowner wants the reading to match

 

 

another appliance temperature display.

 

 

 

 

Proportional Band Width

Can be adjusted up to 3 oC (default is 1.5 oC) to provide

Set parameter n.15 in the installer set

 

better temperature control (less overshoot).

-up mode to the desired value.

 

Useful for:

 

 

 

 

 

 

a. Well insulated homes with over-sized heating

 

 

systems

 

 

 

 

 

b. Air systems with fast response

 

 

 

 

 

 

 

Optional

Description

 

 

 

What to do if we wish this

Accessories

 

 

 

 

 

feature

Outside Temperature

An Outside Temperature Sensor can be fitted to your

1. Fit the sensor (instructions

Sensor

CM67 to allow the homeowner to display the outside

included in the sensor package)

 

temperate on the Chronotherm display by using the

2. Set parameter n. 10 in the

 

INFO i button. CM67 will read the outside temperature

installer set-up mode to 1

 

every 10 minutes. Outside temperature display range is

 

 

from -30 oC to +45 oC. The sensor can be connected up

 

 

to 50 meters from the unit.

 

 

 

 

 

Remote Temperature

A Remote Temperature Sensor can be fitted to your

1. Fit the sensor (instructions

Sensor

CM67 to allow the Chronotherm to control temperature

included in the sensor package)

 

from another room or space where it is inconvenient to

2. Set parameter n. 10 in the

 

locate the CM67

 

It will read the remote sensor every 1

 

￿￿

installer set-up mode to 2

 

 

 

 

 

 

minute. The sensor can be connected up to 50 meters

 

 

from the unit. Useful for commercial premises where

 

 

the public￿

may tamper with the product.

 

Automatic Time Setting

The ATS module picks up a time signal daily from a

1. Fit the ATS module

(ATS) Module

European transmitter, so you never need to set or

2. Set parameter n. 4 in the installer

 

adjust the time.

 

￿

 

set-up mode to 1

EN0R 8498 R2 11/98

 

 

 

4

 

 

 

 

 

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Honeywell CM67 specifications Special Features, Description, What to do if we wish this, feature, Optional, Accessories