Manual Drayton Digistat+1 Thermostat

Manual

N L 1 2 3 4

50 mm

minimum

clearance

40 mm

minimum

clearance

40 mm

minimum

clearance

70 mm

minimum

clearance

N L 1 2 3

230V a.c.

Fused 3A

Common

Heating

satisfied

or call for

cooling

Call for

heat

Volt free contacts

Digistat+1 & Digistat+1RF

Room Thermostat

Models:

RF710/22190/22192

Invensys Controls Europe

Technical Helpline: +44 (0) 845 130 7722

www.draytoncontrols.co.uk

User Guide

What is a room thermostat?

... An explanation for householders

A room thermostat simply switches the heating system on

and off as necessary. It works by sensing the air temperature,

switching on the heating when the air temperature falls below

the thermostat setting, and switching it off once this set

temperature has been reached.

Turning a room thermostat to a higher setting will not make

the room heat up any faster. How quickly the room heats up

depends on the design of the heating system, for example, the

size of boiler and radiators.

Neither does the setting affect how quickly the room cools

down. Turning a room thermostat to a lower setting will result

in the room being controlled at a lower temperature, and saves

energy.

The heating system will not work if a time switch or programmer

has switched it off.

The way to set and use your room thermostat is to find the

lowest temperature setting that you are comfortable with,

and then leave it alone to do its job. The best way to do this

is to set the room thermostat to a low temperature – say 18ºC

– and then turn it up by one degree each day until you are

comfortable with the temperature. You won’t have to adjust the

thermostat further. Any adjustment above this setting will waste

energy and cost you more money.

If your heating system is a boiler with radiators, there will

usually be only one room thermostat to control the whole

house. But you can have different temperatures in individual

rooms by installing thermostatic radiator valves (TRVs) on

individual radiators. If you don’t have TRVs, you should choose

a temperature that is reasonable for the whole house. If you do

have TRVs, you can choose a slightly higher setting to make sure

that even the coldest room is comfortable, then prevent any

overheating in other rooms by adjusting the TRVs.

Room thermostats need a free flow of air to sense the

temperature, so they must not be covered by curtains or

blocked by furniture. Nearby electric fires, televisions, wall or

table lamps may prevent the thermostat from working properly.

Controls and Display Layout

* Temperature displayed while adjusting the settings. Once adjustment is

complete and after 5 seconds this will disappear. When the OFF button is

pushed the word ‘OFF’ is displayed here.

** When the OFF button is pushed the OFF temperature is displayed here.

Simple Setting or Operating

To set the required room temperature

 •Thedisplaynormallyshowsthecurrentroom 

  temperaturetowithin0.5ºC

 •Toadjusttherequiredtemperature,pressthe

  ‘+’buttontoincreasethetemperaturesetpoint

  orthe‘-’buttontoreducethetemperature

  setpoint.TheLCDwilldisplaythetemperature

  setpointasitisbeingadjustedinthebottom

leftofthedisplay.

•Afterafewsecondsthedisplaywillreturn

to

  normaloperationandwilldisplaytheactual 

  roomtemperature&theSunsymbol.

Whileadjustingthetemperatureduringnormal

operation,whenyoureachthemaximumor

minimumpossiblesettingthesetpointwillashto

indicateyoucannotadjusttheproductfurther.

To turn the Thermostat Off

•Pressthe‘OFF’buttonandthedisplaywillbeasshown

•Iftheroomtemperaturefallsbelowtheoffsetpoint

  temperature,theproductwillcontrolattheOFF 

  temperature.

06515065001 ISS B

Tear hereTear here

Digistat+1 & Digistat+1RF

Room Thermostat

Models:

RF710/22190/22192

Invensys Controls Europe

Technical Helpline: +44 (0) 845 130 7722

www.draytoncontrols.co.uk

InstallationGuide

RFPRODUCTONLY

INSTALLATIONOFSCR(RFModelsonly)

If you do not have the knowledge to install the SCR safely then you

must arrange for a competent electrician to install it for you. Wiring

must conform to the current IEE wiring regulations.

Prior to commencing the installation you must ensure the mains

supply is switched off.

InstallationInstructions

Readallinstallationandcommissioninginstructionsbefore

proceeding.

Donotswitchonuntilreadytocommission.

The system wiring must be able to be fully disconnected from the

mains supply by a switch incorporated in the fixed wiring having a

contact separation of at least 3mm on both poles. Fused at 3A.

Location

The Digistat SCR (receiver) should be mounted in a convenient

position, close to the boiler or central heating system wiring centre.

(Care should be taken not to mount the SCR in a position where it

is surrounded by metal objects or mains voltage cable, as this may

interfere with the radio signal).

For the best performance install in an open space, at least 30cm

distance from any metal objects including wall boxes and boiler

housing.

It is recommended that the SCR is mounted on the wall nearest the

final location of the Digistat +RF room thermostat and not less than

30cm from the boiler side panel.

Warning:InstallingtheSCRtooclosetothemetalsidepanel

ormainscablesmayinterferewiththeradiosignal.

Combiboilerbasicwiringlayout

Zonecontrolbasicwiringlayout

COMMISSIONINGTHE‘WIRELESSSYSTEM’(RFModelsonly)

Standard for all models

IMPORTANT: MULTIZONE INSTALLATIONS ONLY

If more than one ‘wireless system’ is fitted within the same property.

ie. for controlling 2 or more zones (multi-zone) it is essential that the

Digistat RF units are matched correctly to the relevant SCR. This is easily

achieved by commissioning each Digistat and SCR in turn.

1. Install (see installation instructions) and turn power on to the

SCR (receiver). If a separate programmer is fitted, ensure that it is

switched on. The red LED should come on.

2. Push the ‘override’ button on the SCR once. The green LED should

also come on. Check to see if the boiler and/or motorised valve

are working.

3. To enter ‘learn’ mode push the button marked 1 followed by 2

(OVERRIDE) and hold both depressed together. The red LED

should flash for 2 seconds and then go out signifying the SCR is in

learn mode. Release both buttons.

4. The red and green LED’s should both now be on.

5. Take the Digistat RF and hold it within sight of the SCR (no closer

than one metre).

6. Remove the battery cover and fit the batteries.

7. The Digistat RF should now display the actual room temperature.

If the unit has been stored in a cold place, it may take time to warm

up.

8. As soon as the batteries are fitted, the red LED on the SCR should

flash for 7 seconds and then go out.

The green LED may be on or off depending on the room temperature

at the time of commissioning.

9. If the red LED remains on, remove the batteries on the Digistat RF,

check the battery positions are correct, and once the display has

faded, repeat steps 6 to 8.

10. Increase the ‘SET’ temperature on the Digistat RF by pressing the

+ button until a flame symbol appears, in the left hand segment of

the display.

11. The red LED on the SCR should flash for 7 seconds. This confirms

that the radio signal is being sent and received. After 7 seconds the

red LED should go out and the green one come on.

12. Check to confirm that the boiler and/or motorised valves are

working.

13. Decrease the ‘SET’ temperature on the Digistat RF by pressing the

- button until the flame symbol disappears.

14. The red LED on the SCR should flash for 7 seconds. After 7 seconds

both the red and green LEDs should go out. Check that the boiler

and/or motorised valve have powered down.

15. Place the Digistat RF in the chosen operating position, (see Digistat

RF location section) and repeat steps 10 to 14. Once you have

confirmed the system operates correctly, fit and secure the Digistat RF

to the wall (see installation instructions).

During normal operation the red LED on the SCR will flash for 7 seconds

each time a radio signal is received from the Digistat RF. This will occur

approximately every 5 minutes.

The green LED on the SCR denotes a call for heat (ON).

Oncethesystemhasbeensuccessfullycommissioned,buttons1

and2ontheSCRshouldnotbepressedsimultaneously,unlessa

replacementDigistatRForSCRistted.

Fixing(minimumwallplateclearancesshown)

1. Loosen the securing screws, remove the wallplate, and if surface

wiring is to be used, snap out the cable entry strip on the bottom

edge of the wallplate with a pair of pliers.

2. Fix the wallplate, terminals at the top, either direct onto the flat

wall using wall plugs and no 6 x1” wood screws or on a flush

mounting single conduit box using M3.5 x 14 screws. Minimum

wallplate clearances are shown.

3. Complete the wiring to the SCR wallplate in accordance with the

relevant diagram, to comply with current IEE wiring regulations.

4. Place the SCR onto the wallplate and tighten the securing screws.

SCRwallplateclearances

Electrical

This product is double insulated and does not require an earth connection.

The SCR should be wired to the combi boiler or central heating wiring using

the correct type of cable or flex. The SCR should be wired in to replace

hard wired room or programmable thermostats shown on the system or

boiler wiring diagrams. Always check other manufacturers instructions for

compatibility.

N L 1 2 3

L

SCR

Switched live

from wiring

centre

Motorised valve

N

To boiler

and/or

pump

Radio signals

to SCR - no wiring

230V a.c.

fused 3A

N L 1 2 3

SCR

L -

N -

Digistat + RF

Digistat + RF

Radio signals

to SCR - no wiring

Switched

230V a.c.

fused 3A,

Internal

boiler

electronics

External

controls

connections

N L 1 2 3

L

SCR

Switched live

from wiring

centre

Motorised valve

N

To boiler

and/or

pump

Radio signals

to SCR - no wiring

230V a.c.

fused 3A

N L 1 2 3

SCR

L -

N -

Digistat + RF

Digistat + RF

Radio signals

to SCR - no wiring

Switched

230V a.c.

fused 3A,

Internal

boiler

electronics

External

controls

connections

BOILER









30cm Min

Preferred side of boiler

The range may be affected by

composition/density and number of walls

between the Digistat +RF and SCR

Radio Signal Range:

30m Typically

SCR

06515065001 ISS B

Flame shows when calling for heat

Moon shows when in ‘Off’

(setback) mode

Sun shows when in ‘On’ (comfort) mode

**Room Temperature

*Setpoint

Temperature

OFF Button ON Button

+ or - buttons

for setting adjustments

To turn the Thermostat On

Youcaneither:

 1.Pressthe‘ON’buttonandthedisplaywill

  showtheOnsetpointandtheroom

  temperature.

  AfterafewsecondstheOnsetpointwill

  disappearfromthedisplayandtheproduct

  willcontrolattheOnsetpointtemperature.

 2.Pressthe‘+’or‘-’buttonandthedisplaywill

  showtheOffsetpointandtheroom

  temperature.

  Nowpressthe‘+’or‘-’buttonsuntilthe 

  requiredsetpointtemperatureisshown.

  Afterafewsecondsthesetpointwill

  disappearfromthedisplayandtheproduct

  willcontrolatthenewtemperature.

Note:TheDigistat

+

1RoomThermostatwill

  onlycontroltheheatingwhentheTimeswitch

  orProgramerisinatimedOnperiod.

On

Receive / Alarm

Override

2

1

Learn

Mode

Digistat SCR

Wireless System

FEATURES

Thisproducthasthefollowinguseradjustablesettings

 •Requiredroomtemperature(temperaturesetpoint)

 •Offtemperaturesetting

 •Ontemperaturesetting

 •Minimum&Maximumtemperaturesettings

Rating

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