Danfoss 102 User manual

Fig.1

102

User Instructions

Fig.2

The 102 Mini Programmer will control your Heating and Hot Water system

automatically, to save you the trouble of having to manually switch the system

on and off every day. It consists of one switch which controls your heating and

hot water and a clock (timer) which allows you to decide when and how long your

heating and hot water will be on for.

Setting the time of day

Remove dial cover (turn slightly to the left and pull off)

Turn the dial clockwise until the correct time is aligned to the TIME

mark (Fig.1).

IMPORTANT: turn the dial clockwise only

Remember:

You will have to re-set the time after a power-cut, and also when the clocks

change in Spring and Autumn.

Programming Event Times

There are four TAPPETS on your timing dial, two red and two blue. The red

tappets are the ON switches and the blue tappets are the OFF switches (Fig.2).

1 If not already done so, remove the dial cover (turn slightly to the left & pull off)

2 Decide when you want your hot water and heating to come on and go off.

While gripping the dial knob slide the RED tappets to the required ON

times and the BLUE tappets to the required OFF times (please note, the

tappets may be quite stiff to move) Fig.3

Example:

If you want your system ON between 8am and 10am and again between

4pm and 11pm, set the tappets as shown. (A to 8, B to 10, C to 16, D to 23).

Note: Tappets can be moved around the dial in a clockwise or anti-clockwise

direction, as convenient.

Fig.3

TIME mark

A (Red) = 1st ON

B (Blue) = 1st OFF

C (Red) = 2nd ON

D (Blue) = 2nd OFF

Danfoss Ltd

Ampthill Road

Bedford, MK42 9ER

Tel: 01234 364621

Fax: 01234 219705

Email: ukheating@danfoss.com

Website: www.heating.danfoss.co.uk

Fig.4

Fig.5

Fig.6

3. Ensure that the installer has removed the protective tape covering

the pre-selector wheel.

4. Using the dial knob, rotate the dial completely at least twice,

clockwise only, to clear the mechanism.

Using the Programmer

The Rocker Switch on the side of the unit is used to select how your 102

controls your hot water & heating system. You can manually select either:

hot water only (Fig.4)

hot water & heating together (Fig.5)

neither, system OFF (Fig.5)

The 102 unit is now set, and the current status of the timeswitch can be

seen on the wheel at the top righthand corner of the unit, (e.g. “OFF

UNTIL C”). Fig.6

User Overrides

The pre-selector wheel can be used to override the set programme on

occasions when you need to change from your normal heating routine.

By turning the wheel anti-clockwise you can turn the unit ON when it

is OFF and vice versa (Fig.7).

Example:

Your programme is set so that your heating comes on at 4pm but

you arrive home earlier than usual, at 2pm and need the heating ON

immediately.

Turn the wheel anti-clockwise until it displays ON UNTIL ‘D’ as

shown.

Thus the system is turned ON manually at 2pm but will revert to the

set programme at the next operation (i.e. OFF at 11pm)

Some other useful pre-selections are:

ALL DAY ON (1 ON/1 OFF)

Turn the Wheel to display “ON UNTIL D”.

ALL DAY OFF

Turn the Wheel to display “OFF UNTIL A”.

Note: Do not operate the pre-selector whilst a tappet is close to the

TIME mark. This may cause the time of day setting of the clock

to be altered, and the time would then need to be reset..

hot water

only

System OFF

heating &

hot water

together

Fig.7

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