Honeywell CM 507 A User Manual

Introduction

1.1 Description

The Honeywell CM507 is a programmable room thermostat designed to control your heating system efficiently. The following instructions explain how to install, program and use the CM507.

1.2 Features

• 7-day heating program with factory default energy saving schedule

• Time-line display facilitating programming

• Subtle, unobtrusive styling matching variety of room decors

Adjustment

Display

buttons

CM507A

Programmable Room Thermostat

Installation and User Guide

2.2 Wiring

Comfort temperature preset

Economy temperature preset

Program button

Mode selection / program exit

Display

Appears when the

: Comfort temperature indicator

: Economy temperature indicator

Time

Day

Manual mode

Automatic mode

Heating is On

NOTE: The installation must be performed by an electrician or a qualified

installer.

Installation

set temperature is displayed

Low battery indicator

Temperature

Schedule

2.1 Baseplate Installation

Choose a location approximately 1.5 m above the floor and on an inside wall. Avoid draughty areas (top of staircase, air outlet, etc.), dead air spots (behind doors), direct sunlight or areas near concealed pipes or chimneys.

2.3 Installing the Batteries

Use Alkaline batteries only!

After the batteries are installed, the thermostat performs a series of tests for approximately 5 seconds.

Once installed on the wall, the thermostat will display the ambient temperature. The time and day settings flash to indicate that they must be set (see section 4.1).

2.4 Completing the Installation

Basic Functions

3.1 Displaying the Temperature

The measured temperature is normally displayed. To view the set temperature, press once on either of the buttons. The set temperature is displayed for 5 seconds along with the icon.

NOTE: Pressing either of the buttons more than once will change the set

temperature.

CM507A 400-147-024-A 2/6/05 1/2

3.2 Setting the Temperature

Press one of the buttons until the desired temperature is displayed.

3.3 Comfort and Economy Temperatures

The thermostat has 2 preset temperature buttons:

• Comfort temperature

• Economy temperature

To set the thermostat at the comfort temperature or economy temperature, press the corresponding preset button. The corresponding symbol will be displayed.

The following table shows the use and the factory setting of each preset button.

Button Intended Use Default Setting

Comfort (when the occupant is awake and at home) 21°C

Economy (when the occupant is absent or asleep) 17°C

To modify the comfort or economy temperature:

n Set the desired temperature using the buttons. o Press and hold the appropriate preset button until the corresponding

symbol is displayed.

3.4 Control Mode

3.4.1 Manual

Use this mode to set the temperature at a fixed value. To use this mode, press

Mode to display and set the desired temperature using the buttons or

the buttons.

3.4.2 Automatic

Use this mode to set the temperature according to the energy-saving sched-

ule (see section 4.2). To place in Automatic mode, press Mode to display .

Temporary Override

If you modify the temperature when the thermostat is in automatic mode, the new temperature will be used for the next 2 hours. Afterwards the thermostat

will return to the automatic mode settings. The icon flashes during the override period.

3.5 Battery Indicator

An icon appears when the batteries need replacement. This icon will flash for 60 days, then the thermostat will cut power to the heating system. The icon disappears once the batteries are replaced.

After replacing the batteries, readjust the time and day (see section 4.1).

Programming

4.1 Setting the Time and Day

n Press Clk for 3 seconds. The hour display flashes. o Set the hour using . p Press Clk. The minute display flashes. q Set the minutes using . r Press Clk. The day display flashes. s Set the day using . t Press Exit to exit the programming mode.

4.2 Energy-saving Schedule

When the thermostat is placed in automatic mode, it switches between the comfort temperature and economy temperature according to the programmed schedule. You can set a different program for each day of the week. The preprogrammed schedule is as follows:

comfort

: Economy :

Monday to

Friday

Saturday and

Sunday

6:00 to 8:00

18:00 to 22:00

Comfort

6:00 to 22:00 22:00 to 6:00

8:00 to 18:00 22:00 to 6:00

Economy :

4.3 Modifying the Schedule

n If not already done, set the comfort and economy temperatures

(see section 3.3)

o Press Pgm. The program for Monday will appear and the first hour

period (0:00 a.m. to 1:00 a.m.) is selected (flashes).

NOTE: Note: If you wish to use the same program every day, press Pgm for 3

seconds to select all the days of the week.

p Press or button to advance to the next or preceding hour period

respectively.

q Select the comfort or economy temperature by pressing on the corre-

sponding button ( or ).

r Repeat steps 3 and 4 for each switch point. s To modify the program for another day, press Pgm until the day is

selected and repeat steps 3 to 5.

t Press Exit to exit the programming mode.

Configuration Menu

n To access the configuration menu, press the and buttons

simultaneously for 3 seconds.

o To go to the next parameter (menu item), briefly press the and

buttons simultaneously.

p To modify a parameter, press or . q Repeat steps 2 and 3 if necessary. r Press the and buttons simultaneously for 3 seconds to exit the

configuration menu.

DISPLAY DESCRIPTION DEFAULT SELECTIONS

Time Display 12 h 12 h or 24 h

Pump Protection

Number of cycles per hour

When pump protection is On, the thermostat will activate the heating sys-

tem for 15 seconds if it has not been activated for the past 24 hours.

The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min., 5=12 min., 6=10 min. Select the cycle according to the type of heating: Gas boiler <30k W - 10 minutes Oil boiler - 20 minutes

Off On or Off

4 2, 3, 4, 5 or 6

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