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Drayton Erie Termostaatti Digistat 3

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13 . Continue to press the “SET?” button to

advance through the week (1 – 5).When

the display is as shown here, press the

Yes (–) button if you wish to view or alter

the times for Sat.-Sun. (6-7). Repeat steps

9-12 as required.

14 . Continue to press “SET?” button until you

return to normal operating mode with a

display similar to the one shown here.

TO VIEW OR CHANGE THE FACTORY SETTINGS

(steps 6-14)

6. Press the “SET?” button until this

display is shown.

7. Press the Yes (–) button.You have

selected the Monday to Friday part of the

programme.

8. Press the Yes (–) button again.This tells

you that at 6.30 a.m., the heating system

will control your home at 20°C. If you wish

to alter the temperature use the + and –

buttons.

9. Press the “SET?” button.The time will now

ﬂash. If you wish to alter the switching time

use the + and – buttons.This will change

the switching time in 10 minute steps.

10. Press the “SET?” button, this tells you that

at 8.30 a.m., the heating system will control

your home at 16°C. If you wish to alter

this temperature use the + and – buttons.

11. Continue to press the “SET?” button as in

steps 9 and 10 above to advance through

the times and temperatures for Mon. to Fri.

(1-5). If you wish to alter any of the times

and temperatures use the + and – button,

when the one you wish to alter is ﬂashing.

12. Once Mon. to Fri. have been set, the

display will show as here.This means do

you want to set the times for Monday (1)

differently from the rest of the week? If

you do, press the Yes (–) Button, and

follow the routine as steps 9 to 11.

Drayton

Digistat 3

7 Day programmable

room thermostat

Installation and

operating instructions

CONFORMS TO THE ESSENTIAL REQUIREMENTS

OF THE FOLLOWING DIRECTIVES:

89/336/EEC – Electromagnetic compatibility

73/23/EEC – Low voltage directive

Siebe Climate Controls Limited

Chantry Close, West Drayton, Middlesex UB7 7SP

Telephone: (01895) 444012 Sales Fax: (01895) 421901

Technical Helpline Telephone: (01895) 460444

A Invensys product

Siebe Climate Controls continuously seek to improve products and reserve the right 090 714

to make changes without notice 1099

OPERATING MODES

The Digistat can be operated in one of three modes.

1) – Timed, all preset times and temperatures

2) – Continuous night temperature (useful for low

limit temperature protection when on holiday)

3) – Continuous ‘DAY 1’ temperature

Use the SELECT button to change the operating mode to suit your require-

ments, the symbols are positioned on the right hand side of the display.

TEMPERATURE OVERRIDE

If at anytime during normal operation, you wish to temporarily increase or

decrease the set temperature use the + or – buttons to change to your

desired setting. This can be done without entering the SET mode. Five

seconds after releasing the + or – button the display will revert to showing

the actual room temperature.The Digistat will now control the temperature

to the override setting until the next programmed switching time, when it

will revert to the times and temperatures you have already programmed.

BATTERY REPLACEMENT

30 days before the batteries need re-placing, a

battery symbol will ﬂash in the right hand side of the

display (Diagram C). This signiﬁes that two 1.5V

type AA alkaline batteries will be needed to

replace the existing ones. If battery replacement is

carried out in this condition the programmed

settings will only be held in the memory for a

maximum of one minute, after which re-programming may be necessary.

IMPORTANT

To avoid the possibility of having to re-programme

the switching times and temperatures, it is advisable

to wait until the display with a ﬂashing battery

symbol changes to a continuous battery only

display (after 30 days – Diagram D). In this

condition the unit will remain OFF but your

programmed settings will be held in memory for a number of weeks. The

battery compartment can now be left open, to replace the batteries, for

approximately one hour. If the compartment is left open for longer, the unit

will revert to the factory preset times and temperatures. It may be necessary

to reset the correct time of day after changing the batteries.

The battery compartment is situated at the bottom of the unit (press to

unlatch and slide down). Ensure new batteries are installed correctly.

HELPFUL HINTS

1) First/Last Set Times The Day 1 setting cannot be programmed

before 12.00 am.The night setting can be programmed at whatever time

you require, even after 12.00 am (midnight) so long as it is not programmed

more than 23 hours 50 minutes after the Day 1 setting.

2) Part or Full Day Omission If during programming the Digistat one of

the symbols on the left hand side of the screen starts to ﬂash, this indicates

that two or more of the switching times have been set to the same time.

This facility enables you to omit one or more of the switched periods.

When one or more switching times are programmed together the later setting

takes precedent. For example, if all four switching times were set together

the Digistat would control continuously at the fourth (night) temperature

setting .

3) Programme Sequence The Digistat will not allow you to program the

switched periods out of sequence but will hold the times together as stated

above.

4) Reset If at any time during the programming you get confused and would

like to start the procedure from the beginning press the SELECT and –

buttons at the same time and hold for two seconds.This resets the Digistat to

the factory preset times and temperatures shown in the table (overleaf).

5) Self Revert

If during programming no button is pressed for between one and two minutes

the Digistat will revert automatically to its normal operating mode.

Diagram C

Diagram D

Wiring (schematic) Wall plate clearances

See ‘IMPORTANT’ note

in box opposite.

Maintenance

No regular maintenance is required for this product.

Note: If Digistat 3 has replaced a standard room thermostat and a programmer

is also incorporated in the control system, it is suggested that the central heating

(C.H.) channel is switched to on/continuous/24hrs. Operation of the central

heating times and temperature will be controlled by Digistat 3.

Digistat 3

7 Day programmable room thermostat

Installation and operating instructions

GENERAL DESCRIPTION

Digistat 3 is a sophisticated 7 day programmable room thermostat designed

for use in normal operating environments. Featuring 7 day or 5/2 day

programming, four time/temperature settings and night set-back, it provides

greater levels of comfort and economy for new or existing central heating

systems. The result of our continuous development programme, Digistat 3

combines ease of use with proven reliability.

ELECTRICAL CONNECTIONS

If the Digistat is to be used as a direct replacement for an existing room

thermostat refer to the table below which shows the wiring conversion

necessary for correct operation.

Make/model Common Demand Satisﬁed Neutral Earth

Drayton Digistat 3* 1 3 2 Not required

Drayton RTS 1&2 L 3 – N –

ACL TS142 1 2 – 4 E

ACL TA350 1 3 2 – 5

Drayton RT/RTE 1 2 3 4 –

Honeywell 6060/6160 1 3 4 2 –

Satchwell TLX 2259 3 1 – 4 E

* Digistat is battery operated and double insulated therefore neutral and earth

connections are not required. Unused existing cables should be safely isolated.

SPECIFICATION

Temperature range : 5°C to 30°C, set in 1ºC steps

16°C to 30°C (selectable)

Power supply : Two type AA1.5v alkaline cells – supplied

(typical battery life two years)

Switch rating : 2 (1) A 230V 50 HZ

Switch type: S.P.D.T. relay (volt free)

Temperature sensor : Electronic

Timing resolution : 1 minute

Programming resolution : 10 minutes

Mounting : Suitable for surface or conduit box mounting

Wiring : Designed for ﬁxed wiring only, to comply with

current IEE regulations

REPLACING EXISTING ROOM THERMOSTAT

Before any existing room thermostat is removed, note the position and colour

of wires already connected. Follow the instructions below for ‘new installations’

referring to the conversion chart overleaf if the function of each wire is not known.

NEW INSTALLATION

Location

Care should be taken to mount the Digistat in a position which is not subject to

direct sunlight or draughts. Preferably it should be mounted on an inside wall

about 1.5M (5ft) above the ﬂoor in a position where it can respond to room

temperature but away from the direct inﬂuence of radiators or other appliances

giving off heat. Minimum wall plate clearances are shown.

Installation

If you do not have the knowledge to install the Digistat safely arrange for a

competent electrician to do the job for you. Wiring should conform to the

current IEE regulations.

Fixing

1. Loosen the securing screw, remove the wall-plate and, if surface wiring is to be

used, snap out the cable entry panel on the bottom edge of the Digistat using

a pair of pliers.

2. Fix the wall-plate, terminals at the top, either direct onto a ﬂat wall using wall

plugs and No 6 x 1" woodscrews or on a ﬂush mounting single conduit box

using M 3.5 x 14 screws.

3. Complete the wiring to the wall-plate in accordance with the diagram below.

4. Note: the Digistat comes preset with a temperature range of 5ºC to 30ºC. If

you wish to select the optional range of 16ºC to 30ºC, remove the blue

selector pin at the rear of the unit before ﬁtting.

5. Plug the Digistat onto the wall-plate and tighten the securing screw.

6. Before switching on the mains ENSURE THE CIRCUIT FUSE IS 3A.

WARNING

Isolate mains supply before ﬁtting Digistat or removing an existing room

thermostat.

A switch having contact separation of at least 3mm in all poles must be

incorporated in the ﬁxed wiring as a means of providing full

disconnection of the mains supply.

IMPORTANT

If the previous room thermostat used a neutral and/or earth supply,

these should not be connected to the Digistat and should be

safely isolated.

1 2 3

50 mm minimum clearanc

70 mm minimum clearanc

1 3

Common

Heating

satisfied

Call f

heat

DIGISTAT

SETTING THE TIME OF DAY (steps 1-4)

The diagram next to each step description shows resulting display.

1. Press “SET?” button

2. Press “Yes” (–) button.The hours

will ﬂash as this diagram. Use the +

and – buttons to set correct hour.

3. Press “SET?” button again and the

minutes will ﬂash, use + and –

buttons to set correct minute time.

4. Press “SET?” button, day of the week

will ﬂash, 1= Monday, 7= Sunday, use

+ and – buttons to set correct day.

5. Press “SET?” button twice to return

to normal operating mode.

PRE-PROGRAMMED TIMES AND TEMPERATURES

The Digistat 3 comes with the following preset programme.

Symbol Mon-Fri Sat-Sun Temperature

Time Time

6.30 am 7.00 am 20°C

8.30 am 9.00 am 16°C

4.30 pm 4.00 pm 21°C

10.30 pm 11.00 pm 7°C*

* 16°C if selector pin removed, see installation instructions

INITIAL START UP

Open the battery compartment situated at the

bottom left hand corner (press to unlatch and slide

down). Remove the insulator strip from between

the batteries and their contacts and close the

compartment.

The unit will now display the actual room

temperature and time at 12.00 am, midnight

(Diagram A).

If the unit has been stored in a cold place, it may

take time to warm up.

Digistat 3 has an indicator to show

when the heating system is ON or OFF, e.g. if the

SET temperature is 20°C and the actual room

temperature is below 20°C a ﬂame symbol will appear on the display

(Diagram B).This indicates a demand for heat (system will switch ON).

During normal operation, the Digistat 3 will display actual room

temperature continuously.

SYSTEM OFF

SYSTEM ON

Diagram A

Diagram B

Continued overleaf

Tuotetiedot

Merkki:	Drayton Erie
Kategoria:	Termostaatti
Malli:	Digistat 3

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