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ServicePlus S17R Series 2
User Operating Instructions
The Horstmann ServicePlus S17R timeswitch will allow up to 3
ON/OFF settings per 24 hours on a weekly schedule and has a 1
hour manual boost and advance button to temporarily override
current settings.
There is also a programming switch allowing permanent
selection of: OFF/ON/AUTO/ALL DAY
Additionally, the ServicePlus timeswitch gives an advance
warning of the annual boiler safety check due date.
1
Single Channel Timeswitch
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The ServicePlus S17R Timeswitch
The simple instructions contained in this user guide are
designed to help with the programming and operation of the unit.
2
1 SET indicator - RUN is the normal position
2 Time of day
3 Switch period symbol
4 SET button
5 BOOST or adjust (-) button
6 ADVANCE or adjust (+) button
7 ENTER button
8 SELECT or COPY button
9 System ON indicator
10 SET positions
11 PROGRAMME positions
12 BOOST symbol
13 ADVANCE symbol
14 AM/PM symbol
15 Day of week indicator
16 PROGRAMME indicator
1 14
10
3
11
12
13
9
4
5
6 7 8
2 1615
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Manual Overrides
BOOST FUNCTION - 1 hour temporary override
The boost facility will allow the user to boost the system which is
currently ‘OFF’ for 1 hour. To indicate the boost being activated
BOOST will be shown on the display for the duration of the boost
period. The system ON indicator will also be illuminated.
3
Press BOOST
button:
Your system
will be
boosted for
1 hour
At any time
during a BOOST
period press
BOOST again to
return to normal
programming
PM
RUN
CLOCK
PROG
AUTO
ALL DAY
24 HRS
OFF
6:35
BOOST
Advance Function – Brings forward the next on or off
operation
The advance facility will allow the user to advance the system to
‘ON’ when currently ‘OFF’ or switch the system ‘OFF’ when
currently ‘ON’. To indicate the advance feature being activated
ADVANCE will be shown on the display until the next
programme switching time. The system ON indicator will also be
illuminated.
Press
ADVANCE
button once
to move to the
next ON/OFF
time
To cancel the
advance press
the ADVANCE
buttonagain.
This will return
the unit to its
normal
programme
PM
RUN
CLOCK
PROG
AUTO
ALL DAY
24 HRS
OFF
6:35
ADVANCE
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Programme Override Facilities
With the ServicePlus S17R timeswitch operating in the normal
running mode it is possible to alter the functionality of the
programme by means of the SELECT button.
The options include;
AUTO Timeswitch follows all programmed ‘ON’ and ‘OFF’
times.
ALL DAY Timeswitch operates from 1st ‘ON’ time until 3rd
’OFF’, ignoring all switching times in between.
24HRS Timeswitch will be constantly ‘ON’.
OFF Timeswitch will be constantly ‘OFF’, there is the
ability to turn off the heating during the summer
without altering the programme times. Boost is still
available.
All of the settings above will be permanent, i.e. unaffected by
programme times, until alteration by the user.
The diagram below illustrates how to alter the setting, it assumes
that the programme is in the AUTO mode to begin with.
4
Press SELECT
once.
Programme
goes from
AUTO to
ALL DAY
PM
AUTO
ALL DAY
24 HRS
OFF
6:35
PM
AUTO
ALL DAY
24 HRS
OFF
6:35
PM
AUTO
ALL DAY
24 HRS
OFF
6:35
PM
AUTO
ALL DAY
24 HRS
OFF
6:35
Press SELECT
again.
Programme
goes from
ALL DAY to
24 HRS
Press SELECT
again.
Programme
goes from
24 HRS to OFF
Press SELECT
again.
Programme
goes from
OFF to AUTO
Timeswitch
will operate
from 1st ON
until 3rd OFF
period
Timeswitch
will be
continuously
ON
Timeswitch
will be
continuously
OFF
Programme
will return
to normal
ON and OFF
times
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5
Setting Time of Day and Date
The ServicePlus S17R timeswitch has a built in clock and
calendar. This will mean that you will need to enter the date as
well as the time on initial set up or if the factory re-set has been
used. Having done this, the clock will automatically adjust for
BST/GMT time changes throughout the year.
Press the
set button
until the set
indicator
is next to
the ‘clock’
position
Use the
+ and –
buttons
to adjust
the hour
and press
ENTER
Use the
+ and –
buttons to
adjust the
minutes
and press
ENTER
Use the
+ and –
buttons
to set
the date
and press
ENTER
Use the
+ and –
buttons
to set the
month
and press
ENTER
Use the
+ and –
buttons
to set
the year
and press
ENTER
Once the year is set and the
ENTER button is pressed the
process is complete and the
display will return to the run
position
Check that the correct time and day are
showing in the display. If the wrong day is
showing in the display that would indicate
that the date has not been set correctly and
the above process should be repeated
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Setting the On and Off Times
To alter these settings please proceed as follows:-
Press the
SET button
until SET
indicator
is next
to PROG
position
Use + and
- buttons
to adjust
day
Press
ENTER
Use + and
- buttons
to adjust
1st ON
time
Press
ENTER
Press
ENTER
Use + and
- buttons
to adjust
1st OFF
time
Repeat this
process for
2nd and 3rd
settings
Enter the 3rd
OFF time and
the word COPY
is displayed
To follow the copy
route and repeat all
programmed times for
another day go to 1
To set
independent
times for other
days go to 2
Use the + and - buttons to
select day required and press COPY.
‘IN’ is displayed to confirm the copy.
Repeat for other days as required
To transfer to independent times
for other days go to 2 or to finish
programming press the SET button
until the SET indicator is in the RUN
position
1
Press ENTER. Use the + and - buttons
to select the day required and
press ENTER. Set 1st, 2nd and
3rd times as before. To repeat for
other days go to 2, to copy go to 1
To finish programming press the SET
button until the SET indicator is in
the RUN position
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1st ON 1st OFF 2nd ON 2nd OFF 3rd ON 3rd OFF
6.30AM 8.30AM 12.00PM 12.00PM 4.30PM 10.30PM
Default Time settings
The default time settings shown above are preset at the factory
NB. The factory default settings for the 2nd ON/OFF times are both
set at 12:00pm (midday) which cancels this ‘ON’ period giving 2
ON/OFF periods for the day. If a midday ‘ON’ period is required set
the 2nd ON and OFF times accordingly. If not press ENTER twice.
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Resetting the Programmer
Electronic equipment can in some circumstances be affected by
electrical interference. If the programmer’s display becomes
frozen or scrambled; or if you wish to revert back to the default
time settings please reset by pressing the SET and SELECT
buttons together as shown below.
After initial installation it is advisable, before programming the
ServicePlus for the first time, to reset the unit. Resetting can only
be achieved with the power ‘ON’ by pressing the SET and
SELECT buttons together. This will return the programmer to the
factory set default times.
Press the SET and SELECT buttons
together then release the buttons
and the programmer will return to
preset factory settings
SET
SELECT
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General Information
Battery
The programmer is fitted with a non-rechargeable, long life
battery, which will maintain the programmed time settings for a
minimum of two years with the supply disconnected.
THIS SHOULD BE SUFFICIENT TO COVER POWER
INTERRUPTIONS DURING THE LIFE OF THE UNIT.
During power interruptions the display will be blank; this is to
prolong the battery life.
Service and Repair
This programmer is NOT user serviceable. Please do not
dismantle the unit.
In the unlikely event of a fault developing please refer to the
RESETTING THE PROGRAMMER section of this user guide
shown above. If this fails to resolve the problem please contact a
local heating engineer or a qualified electrician.
Part Number P84353 Issue 3
South Bristol Business Park,
Roman Farm Road, Bristol BS4 1UP
t: +44 117 978 8700
e: sales@horstmann.co.uk
www.horstmann.co.uk
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Battery Insertion
To achieve intended battery life, it should be
inserted correctly by matching the polarity.
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