Horstmann ThermoPlus AS2 Thermostat instruction manual

Horstmann ThermoPlus AS2 Thermostat instruction manual
ThermoPlus AS2-RF
User Operating Instructions
Programmable Room Thermostat
with wireless communication technology.
The Horstmann ThermoPlus AS2-RF is a wireless Programmable Room Thermostat
that has been designed to make its operation very simple for the householder.
The built in automatic clock means it will not need setting or
adjusting for BST and GMT time changes.
The ThermoPlus will provide a pre-programmed temperature profile preset by your installer
and day-to-day user adjustments are carried out using just three buttons.
The ThermoPlus AS2-RF is supplied in two parts. The receiver which is hard wired
to the combi or conventional system boiler and the AS2-RF thermostat which can be used
in any normal domestic environment within a typical 30 metre range without the need for
any costly or disruptive wiring.
1
The ThermoPlus AS2-RF
The instructions contained in this user guide are designed to help
with the programming and operation of the unit.
Part 1 of these instructions explains the day to day operation of the AS2-RF
Part 2 of these instructions describes programming the AS2-RF
Part 3 of these instructions is for understanding the receiver
The AS2-RF thermostat kit is made up of two parts:
1 x ASR-RF Receiver
1 x AS2-RF Transmitter
The AS2-RF has been designed with ease of installation in mind. No hard wiring is required
between the transmitter and the receiver. The receiver unit is hard wired to the boiler and
should be sited close to the existing wiring. The AS2-RF can then be positioned up to 30
metres away - Range will vary depending upon the composition, density and number of
walls between the AS2-RF transmitter and the receiver.
AS2-RF Transmitter
1
4
5
2
3
9
6
8
7
1 – Plus ‘+’ Button
2 – LED Indicator lights
3 – Installer Display
4 – ‘Warm/Cool’ Button
5 - Minus ‘-’ Button
2
6 – Standby Time/Set Button
7 – Increase/Decrease Buttons
8 – Prog/Exit Button
9 – Front flap shown open
Part 1 – Day to Day operation
The ThermoPlus AS2-RF has been designed to be a simple to use thermostat, requiring
minimal user intervention with a pre-programmed heating profile. Simple temperature
adjustments can be easily carried out by using the ‘+’ and ‘-‘ buttons. The indicator lights
react to any temporary user adjustments, with the LED indicators working in the following
way;
‘Warm’ is shown by two red lights and ‘Cool’ is shown by a single blue light (see Power
Down Mode below). The centre button marked ‘Warm/Cool’ allows you to toggle between
the warm and cool settings.
When one or more red lights are on, you can increase the temperature by pressing the ‘+’
button. For example, press once to go up by 1°C or press twice to go up by 2°C.
When the two or three red lights are on, the temperature can also be lowered by using
the ‘-‘ button. For example, press once to go down to the warm setting temperature and
press again to go down to 1°C below warm setting temperature. (Maximum adjustment
to warm temperature +/- 2°C). The blue light indicates the unit is working to the lower
set temperature. Please note that the ‘+’ or ‘-‘ buttons will have no effect on the lower
temperature setting.
Under the flap is a blue button (6). During the summer, or when you want your central
heating off for long periods, for example if you go on holiday, press the blue button and
close the flap. When you want to go back to normal operation, open the flap and press the
blue button again, remembering to close the flap once finished.
Both the Warm and Cool temperature settings can be permanently adjusted, this operation
is detailed on page 4.
Power Down Mode
During normal operation the AS2-RF will go into Power Down Mode, this is to maximise
the life of the 3 x AA batteries fitted. Normal operation will continue during this mode, and
the heating will be unaffected. The result of the Power Down Mode will mean that the LED
indicators will not be displayed and LCD will not be illuminated, although the ‘Warm’ or
‘Cool’ temperature will be displayed.
To ‘wake up’ the AS2-RF press the ‘Warm/Cool’ button for 5 seconds, this will then
illuminate both the LED and LCD displays for a period. Any adjustment can then be made,
the Power Down Mode will commence again approximately 8 seconds after the last button
press.
3
Warm and Cool Temperature Adjustment
The Warm and Cool target temperature
settings on the ThermoPlus AS2-RF are
fully adjustable. To change a target
temperature it is first necessary to press
the centre button to bring up the ‘Warm’
or ‘Cool’ setting (indicated by the red or
blue LED indicators).
Press here to select
Warm or Cool
By using the up/down keys under the
flap the Warm/Cool temperature can be
increased or decreased to the desired
temperature setting.
PLEASE NOTE – it is not possible to set the
warm setting to below that of the cool
setting or vice versa.
Once a new temperature has been set in
either the Warm or Cool setting the AS2RF will continue to use this setting until
the next manual adjustment.
To increase
Press
To decrease
Press
4
Audible Feedback
All buttons on the AS2-RF give an audible confirmation when pressed. A short bleep means
‘Yes’, a longer buzz means ‘No’ – the setting/adjustment cannot be done.
Frost Protection
The blue button situated under the flap will initiate the frost protection mode, when
pressed the word ’STANDBY’ will appear on the display, the thermostat has been preprogrammed with a frost protection temperature level of 7°C, this can be adjusted by
using the up and down arrow buttons. Minimum setting 5°C. It is not possible to set a frost
protection temperature above the cool setting.
Part 2 – Programming Mode
The ThermoPlus AS2-RF has been designed for minimal user intervention, however
should any changes to the existing programme be required please press button 6 and 8
simultaneously to enter the programming mode, this will allow you to;
•
•
•
•
Check the current time/date/year
Check the current profile
Set a new pre-set profile or
Set a user defined profile
PLEASE NOTE; Upon completion of any of the
adjustments above, please ensure that you exit
the programming mode by pressing buttons 6
and 8 simultaneously.
6
8
5
Time and Date Check
The Thermoplus AS2-RF thermostat has a built in automatic clock adjusting for BST & GMT
time changes and has been preset with the current time and date during manufacture. No
alteration should be required to the time and date, however if any modification is required
please refer to the flowchart below.
Press
SET
Press
SET

HOUR
flashes.
Adjust using
UP/DOWN
buttons
24hr clock


DATE
flashes.
Adjust using
UP/DOWN
buttons
 Press
TIME 


MINUTE
flashes.
Adjust using
UP/DOWN
buttons

Open
Cover
Enter
programming
mode by
pressing buttons
6&8
simultaneously
Press
SET

Press
SET

MONTH
flashes.
Adjust using
UP/DOWN
buttons

Press
SET

YEAR
flashes.
Adjust using
UP/DOWN
buttons


6
Press
EXIT

Exit
programming
mode by
pressing
buttons 6 & 8
simultaneously
Press
SET
Setting Heating Profiles
The ThermoPlus AS2-RF contains a selection of five preset and one user definable profile
options, one of these will have been set by the Installer. Care should be taken to ensure
a profile is selected that suits your lifestyle the best. Profiles one to five are detailed on
pages 8 and 9.
If none of the preset profiles meet your requirements it is possible to set a user defined
profile, full details are given on page 10.
Open Cover

Enter programming mode by pressing
buttons 6 & 8 simultaneously

Press PROG

Press SET

Select the required profile by using the
UP/DOWN buttons

Press SET



Press EXIT
To review preset
profiles 1 to 5 press UP
button (7) repeatedly

Exit PROGRAMMING mode by pressing
buttons 6 & 8 simultaneously
7
Heating Profiles
The ThermoPlus AS2-RF has six heating profiles, five are fixed and one is adjustable. Profile
‘ONE’ has been set as the default and is detailed below. During installation a heating
profile should have been set to best match your requirements; illustrations of the preset
profiles are shown below.
PROFILE
1
PROFILE ONE – DEFAULT EVERY DAY
24 HOUR
START
STATUS
06:00WARM
22:00
COOL
TIME PROFILE
TIME
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00
PROFILE
TEMPERATURE PROFILE
WARM
COOL
PROFILE
2
PROFILE TWO EVERY DAY
24 HOUR
START
06:00
08:00
17:00
22:30
STATUS
WARM
COOL
WARM
COOL
TIME PROFILE
TIME
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00
PROFILE
TEMPERATURE PROFILE
WARM
COOL
PROFILE
3
PROFILE THREE EVERY DAY
24 HOUR
START
06:00
08:00
11:30
13:30
17:00
22:30
STATUS
WARM
COOL
WARM
COOL
WARM
COOL
TIME PROFILE
TIME
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00
PROFILE
TEMPERATURE PROFILE
WARM
COOL
8
PROFILE
4
PROFILE FOUR MON - FRI
5/2 DAY
START
06:00
08:00
11:30
13:30
17:00
22:30
STATUS
Start STATUS
WARM SAT/SUN 07:00 WARM
COOL
22:00 COOL
WARM
COOL
WARM
COOL
TIME PROFILE
TIME
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00
MON - FRI
SAT/SUN
MON - FRI
TEMPERATURE PROFILE
WARM
COOL
SAT/SUN
WARM
COOL
PROFILE
5
PROFILE FIVE MON - FRI
START
06:00
08:00
17:00
22:30
STATUS
Start STATUS
WARM SAT/SUN 07:00 WARM
COOL
22:00 COOL
WARM
COOL
5/2 DAY
TIME PROFILE
TIME
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00
MON - FRI
SAT/SUN
MON - FRI
TEMPERATURE PROFILE
WARM
COOL
SAT/SUN
WARM
COOL
Profiles one to five have fixed periods, no alteration to the Warm/Cool times can be made,
if it is necessary to make any alterations then profile six must be used. Profile six will allow
you to set up a profile to your exact requirements. Please refer to the flowchart on page 10.
9
PROFILE
6
User Definable - 7 Day Programming
Profile 6 will allow you to set up a profile to your exact requirements. By using the
flow chart below you can adjust the Warm/Cool timing periods as required. If only
one or two Warm/Cool periods are required on any day set the times accordingly and
set the remaining Warm and Cool start times to be exactly the same as each other.
This will cancel the 2nd or 3rd Warm/Cool periods altogether for the day concerned. Unused periods
will be shown by a series of dashes on the settings screen. Press SET and the next day and SET
appears in the display. Press SET to adjust the next days settings or EXIT to return to the main menu.
To do this press SET until the next day and SET appears in the display. Unused periods will be shown
by a series of dashes on the setting screen.
If one or two periods have been set and you wish to return to three periods in 24 hours then
pressing the up arrow when the dashes appear after the last Cool setting will bring back the hidden
Warm/Cool settings.
A
START
06:00
08:00
11:30
13:30
17:00
22:30
STATUS
WARM
COOL
WARM
COOL
WARM
COOL
Adjust the WARM start time by using
the UP/DOWN buttons and confirming
with the SET button

PROFILE SIX DEFAULT
EVERYDAY
Adjust the COOL start time by using the
UP/DOWN buttons and confirming with
the SET button

6
Repeat for Periods 2 & 3
(or if not needed equalise the
remaining Warm and Cool times to
cancel and press SET – see above)
8
B
START FLOW CHART
Open Cover

Enter PROGRAMMING mode by pressing
buttons 6 & 8 simultaneously

C
Press COPY and repeat for each day to
be copied

Press PROG
SET is displayed on the screen
1. To continue programming to the next
day press SET and go to ‘A’
2. To copy the altered settings to the
next day press the DOWN button and
go to ‘C’
3. To finish programming go to ‘D’
 
When finished press the DOWN button
and go to ‘B’
Press SET
Select PROFILE SIX by using the
UP/DOWN buttons and press SET
10
D
Press EXIT twice and exit programming
mode by pressing buttons
6 and 8 simultaneously
Part 3 – Understanding the receiver
RF TECHNOLOGY
The AS2-RF thermostat uses radio frequency technology to communicate wirelessly
between the receiver and transmitter. This makes the AS2-RF ideal for fitting in either new
or existing systems where additional wiring cannot be used for either practical or cosmetic
reasons. The receiver and AS2-RF use Z-wave technology to communicate, this means it
can be used as a stand alone item or added to an existing Z-wave installation.
ASR-RF Receiver
A
B
C
D
A – Status Indicator LED
B – AS2-RF Add/Remove Buttons
C – Boiler ‘Off’ Override (Red)
D – Boiler ‘On’ Override (Green)
11
RECEIVER STATUS INDICATOR (LED) LIGHT
The tri-coloured LED on the receiver allows both the installer and the end user to
understand the status of communication between the receiver and the AS2-RF.
The LED has six different indications, these are;
INSTALLATION MODE PLEASE NOTE; These will not be visible during normal user operation, users should not
attempt to re-commission an existing installation, please consult your service engineer for
assistance.
Flashing Red - No network connection, please refer to ‘COMMISSIONING
INSTRUCTIONS’ section of the installation guide.
Flashing Green - Indicates a successful network connection.
NORMAL OPERATION; The following LED indications should be present during normal operation;
Solid Red - Heating off
Solid Green - Heating on
FAIL SAFE MODE
If, during normal operation, the RF signal is lost for more than 60 minutes then the receiver
will switch to Fail Safe Mode (off). During Fail Safe Mode the receiver relay/heating will
be switched off and can be controlled by using the emergency red (off) and green (on)
buttons located below the flap on the receiver if required, further details are given in the
following sections. When the emergency buttons are used the LED will operate in the
following way;
Solid Amber - Heating off - indicating no message from AS2-RF for 60 minutes
Flashing Amber - Heating on - Green override button activated
PLEASE NOTE; The red and green override buttons on the receiver will only operate in fail
safe mode. In normal operation pressing these buttons will have no effect.
12
Communication Fail Safe Modes
RECEIVER FAIL SAFE MODE
Should your receiver enter the Fail Safe Mode this will be conveyed by the LED indicator
going solid amber. This will only happen if the receiver has not received a signal from the
AS2-RF for more than 60 minutes. Some basic instructions are detailed in the previous
section and on the inside of the receiver flap for the emergency use of the relay/heating
during this mode.
To resume normal operation please use the following procedures;
Press the ‘Warm/Cool’ button on the front of the AS2-RF for 5 seconds, or until the display
illuminates, then press again to send a signal to the receiver, if successful this will be
indicated by the LED on the receiver changing from amber to either red or green.
Or
Check and replace, if necessary, the 3 x AA batteries in the AS2-RF transmitter, then follow
the process above.
If the processes above fail to regain normal operation then please consult your heating or
service engineer for further assistance.
OPERATING MODES
During normal operation the receiver will indicate the boiler status through the colour of its
LED, please refer to the RECEIVER STATUS INDICATOR LED on page 12.
The AS2-RF also uses a combination of LED and LCD displays to assist the user to gain
maximum benefit from the thermostat. During normal operating period, where no user
intervention has occurred, the AS2-RF will power down to maximize battery life. To ‘wake’
the AS2-RF press the Warm/Cool for 5 seconds, the displays, both LED and LCD will now
illuminate and will stay lit for a period of 8 seconds after the last button press.
For more information on Z Wave technology please visit; www.zen-sys.com
13
GENERAL INFORMATION
Resetting the AS2-RF Transmitter
Electronic equipment can in some circumstances be affected by electrical interference.
If the display becomes frozen or scrambled; or if you wish to revert back to the default
settings please use the following procedure.
PLEASE NOTE: Do not attempt to reset without batteries being fitted. Using this procedure
will restore the ThermoPlus AS2-RF to the original factory programme settings, the time
setting will also default to midnight (00:00) on 1 January 2006.
Resetting the ThermoPlus AS2-RF
• On the ThermoPlus AS2-RF press
the ‘UP’ and ‘DOWN’ arrow buttons
together:
• Then release the buttons and the
thermostat will return to preset
factory settings.
• Reset the time and date as shown
on page 5.
To reset
press
Battery Replacement
The ThermoPlus AS2-RF uses 3 x AA (LR6) batteries. The batteries supplied with the unit
should last for approximately two years. When the batteries are nearing the end of their
life a ‘LOW BAT’ message will flash on the display.
To change the batteries it is necessary to remove the AS2-RF from the wall, to achieve this
first press the RELEASE BUTTONS located under the unit and pull the AS2-RF away from the
mounting plate by gently pulling up.
Before removing the old batteries please wait for at least 15 seconds after the last button
was pressed. Remove old batteries and ensure the L.C.D display has gone blank before
fitting the new batteries.
Replace with three new AA size alkaline batteries, ensure they are fitted correctly as
shown by the marking positioned between the battery terminals. Once batteries have
been fitted, replace the AS2-RF to the mounting plate, ensuring that the two guide lugs are
fitted into the corresponding slots in the top of the mounting plate. Now push the AS2-RF
until the release button clicks into place.
WARNING: You must ensure that the AS2-RF is always running on 3 x AA batteries and
when the battery low message is displayed it is important that they are changed as
soon as possible. This is to preserve the secondary internal reserve battery which is nonreplaceable.
For best results use alkaline batteries rather than zinc carbon batteries.
14
No Signal Indicator
Should your AS2-RF enter the Fail Safe Mode this will be conveyed by the LCD display
showing ‘No Sig’ every 3 seconds. This indicates that the AS2-RF has not received a signal
to confirm the last ‘Warm/Cool’ change from the receiver.
To resume normal operation please use the following procedures;
1. Press the ‘Warm/Cool’ button on the front of the AS2-RF for 5 seconds, or until the
display illuminates, then press again to send a signal to the receiver, if successful this will
make the ‘No sig’ flag disappear .
or
2. Check the receiver, if the LED is not illuminated this indicates a power interruption
or disconnection. In this case, the mains supply should be checked and if it cannot be
restored the assistance of an electrician or service engineer should be sought.
Service and Repair
The ThermoPlus AS2-RF is NOT user serviceable. Please do not dismantle the unit.
In the event of a fault developing please refer to the RESETTING THE AS2-RF TRANSMITTER
section on page 14. If this fails to resolve the problem please contact a local heating
engineer or a qualified electrician.
15
What is a programmable room thermostat?
…an explanation for householders.
A programmable room thermostat is both a programmer and a room thermostat. A programmer
allows you to set ‘ON and OFF’ time periods to suit your own lifestyle. A room thermostat works
by sensing the air temperature, switching on the heating when the air temperature falls below the
thermostat setting and switching it off once the set temperature has been reached.
So, a programmable room thermostat lets you choose what times you want the heating to be on,
and what temperature it should reach while it is on. It will allow you to select different temperatures
in your home at different times of the day (and days of the week) to meet your particular needs.
Turning a programmable 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 the boiler and radiators.
Neither does the setting affect how quickly the room cools down. Turning a programmable room
thermostat to a lower setting will result in the room being controlled at a lower temperature, and
saves energy.
The way to set and use your programmable room thermostat is to find the lowest temperature
settings that you are comfortable with at the different times you have chosen, and then leave it
alone to do its job. The best way to do this is to set low temperatures first, say 18ºC and then turn
them up by one degree each day until you are comfortable with the temperatures. You won’t have
to adjust the thermostat further. Any adjustments above these settings will waste energy and cost
you more money.
If your heating system is a boiler with radiators, there will usually be only one programmable 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
chose 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.
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.
Programmable 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.
Email: [email protected]
Website: www.horstmann.co.uk
Horstmann Controls Limited, Bristol BS4 1UP
16
Leaflet number P83020 – Issue 2
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