Danfoss SET 3E Manuale utente

SET 3E

Electronic 24-Hour Programmer

for Heating and Hot Water

User Guide

Danfoss Heating

MAKING MODERN LIVING POSSIBLE

SET3E

For a large print version of these instructions

please call Marketing on 0845 121 7400.

Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other

printed material. All trademarks in this material are property of the respective companies.

Certification Mark

Danfoss Heating 3

Thank you for buying a Danfoss product

SET3E

User Instructions

SET3E

Electronic 24-Hour Programmer

for Heating and Hot Water

Index

1.0 User Guide ....................................................................................................6

1.1 Your Programmer...............................................................................6

1.2 Resetting the Unit..............................................................................6

1.3 Setting the Clock................................................................................7

1.4 Preset Programme.............................................................................7

1.5 Accepting the Preset Programmes..............................................7

1.6 Programming the Unit.....................................................................7

2.0 Temporary User Overrides....................................................................8

2.1 Manual Switch Settings...................................................................9

2.2 Memory Backup .............................................................................. 10

Danfoss Heating 5

What is a programmer?

... an explanation for householders.

Programmers allow you to set ‘On’ and ‘Oﬀ’ time periods. Some

models switch the central heating and domestic hot water on

and oﬀ at the same time, while others allow the domestic hot

water and heating to come on and go oﬀ at diﬀerent times.

Set the ‘On’ and ‘Oﬀ’ time periods to suit your own lifestyle. On

some programmers you must also set whether you want the

heating and hot water to run continuously, run under the chosen

‘On’ and ‘Oﬀ’ heating periods, or be permanently oﬀ.

The time on the programmer must be correct. Some types have

to be adjusted in spring and autumn at the changes between

Greenwich Mean Time and British Summer Time.

You may be able to temporarily adjust the heating programme,

for example, ‘Override’, ‘Advance’or‘Boost’. These are explained in

the manufacturer’s instructions.

The heating will not work if the room thermostat has switched

the heating oﬀ. And, if you have a hot-water cylinder, the water

heating will not work if the cylinder thermostat detects that the

hot water has reached the correct temperature.

The text below has been edited and approved

by the Plain English Campaign, who has issued a

Crystal Mark to be displayed with it.

SET3E

1.0 User Instructions

1.1 Your Programmer

The SET3E allows you to switch your hot water and heating on and oﬀ

automatically, at times that suit you.

The programmer provides 2 ON times and 2 OFF times per day, and

by the use of a simple rocker switch you can run your heating and hot

water separately, to suit your lifestyle.

1.2 Resetting the Unit

IMPORTANT: Before you start you should reset the unit. This will

reinstate the preset programmes.

To do this:

• move slide switch to SET TIME

position.

• using something non-metallic

(i.e a matchstick) press into the

small hole as shown opposite.

Slider switch Rocker switches

and +1

HOUR button

and

ADVANCE button

RESET

Danfoss Heating 7

1.3 Setting the Clock

• Move the slider to SET TIME

position.

• Use and keys to set the

correct time.

1.4 Preset programme

The unit is supplied with the following preset programme which will

be active after the unit has been RESET (see page 6):

ON at 6:30am, OFF at 8:30am.

ON at 5:00pm, OFF at 10:30pm.

To alter these times to suit your requirements, follow the instructions

below.

1.5 Accepting the preset programmes

If you are happy to use the preset

programmes above you don’t need

to do anything else.

Just return the slider to the

RUN position.

1.6 Programming the Unit

You can programme your heating and hot water to come on and go

oﬀ twice a day, to suit your requirements. To programme your unit:

• Move the slider to the 1st ON

position and use and keys

to set the time you want the

programmer to ﬁrst come on.

• Move the slider to the 1st OFF

position and use and keys

to set the time you want the

programmer to ﬁrst go oﬀ.

SET3E

• Move the slider to the 2nd ON

position and use and keys

to set the time you want the

programmer to next come on.

• Move the slider to the 2nd

OFF position and use and 

keys to set the time you want the

programmer to next go oﬀ.

Remember to return the slider switch to the RUN position after

programming.

2.0 Temporary User Overrides

Sometimes you may need to change the way you use your system

temporarily, i.e. due to unusually cold weather, increased hot water

requirements. The SET3E has two convenient overrides which can be

selected without aﬀecting the set programme.

Note: This will only work when the slider switch is in the RUN position and

will automatically cancel at the start of the next programmed event.

Advance

• Press the ADVANCE button once

to move forward to the next

programmed event.

• If the system is on it will go oﬀ.

If it is oﬀ it will come on.

• A bar on the left of the LCD

will remind you that you have

selected Advance.

• To cancel the override, press the

ADVANCE button again.

Danfoss Heating 9

1 Hour Extra

• Press +1 HOUR button once

if you need an extra hour of

operation.

• If the system is oﬀ it will come

on. If it is already on it will add

an extra hour so the system

stays on for an extra hour.

• A bar on the right of the LCD

will remind you that you have

selected +1 hour.

• To cancel the override, press the

+1 HOUR button again.

2.1 Manual Switch Settings

The 2 rocker switches are used to select

how the SET3E controls your hot water

and heating. The hot water and heating

systems can be controlled independently

but share the same time settings

WATER switch

• OFF - the hot water is manually switched OFF and will stay oﬀ

until you change the position of the switch.

• TIMED - the hot water will come on and go oﬀ at the times you

have programmed, plus any temporary overrides.

• CONSTANT - the hot water will come on manually and stay on

constantly until you change the position of the switch.

HEATING switch

• OFF - the heating is manually switched OFF and will stay oﬀ until

you change the position of the switch.

• TIMED - the heating will come on and go oﬀ at the times you

have programmed, plus any temporary overrides.

• CONSTANT - the heating will come on manually and stay on

constantly until you change the position of the switch.

SET3E

2.2 Memory Backup

IMPORTANT

If the SET3E is ever disconnected from the mains the display will go

blank but the unit will keep your programme time and settings for

up to 10 hours.

When power is restored the unit will continue to function as normal.

For power cuts or disconnections of greater than 10 hours, when

mains power is restored you must reset the unit (see page 6). This

will reinstate the factory preset programmes and set the time of day

to noon.

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