Fit & forget...
Choice PR2n - 2 Channel Programmer
User Instructions
Introduction
This programmer can automatically switch your
central heating or hot water ON and OFF up to 3 times
a day, at whatever times you choose. Timekeeping is
maintained through power interruptions by a nonreplaceable battery designed to last for the lifetime
of the programmer. The clock is automatically put
forward 1 hour at 1:00am on the last Sunday of March
and back 1 hour at 2:00am on the last Sunday of
October. The clock is factory pre-set to UK time and
date, but you can alter the time setting if you wish.
During installation, the installer selects 24 hour, or
5 day/2day, or 7 day programming and 2 or 3 on/o
periods per day, via a 4 position DIP switch on the
back of the unit (see installation instructions).
IMPORTANT: These settings should only be
changed by a qualied person. Contact your
installer.
IMPORTANT: This programmer is not suitable
for the switching of devices greater than 2 Amp
rated per channel. (e.g. Not suitable for use as an
immersion timer)
Conguration
When setting time, date or changing programme
times the rst screen displayed indicates the
conguration as set up by the installer. (See ‘Setting
The Time section)
Conguration Display
2 ON/OFF Pumped System 2PU
3 ON/OFF Pumped System 3PU
2 ON/OFF Gravity System 2Gr
3 ON/OFF Gravity System 3Gr
Times for Central Heating and How Water can be
independently set.
The 24 hour, or 5 day/2day, or 7 day programming
option as set up by the installer can also be veried
at this stage by how the Monday to Sunday indicators
are displayed.
Programming
Option
7 DAY Mon to Sun individually
5/2 DAY Mon to Fri together then
24 HOUR Mon to Sun together shown
Now press any button to move to Setting the Time
and Day.
Built In Programme
For convenience, the programmer has a built in
programme which will be satisfactory for many
people, but which can be changed very easily (see
section CHANGING PROGRAMME TIMES). Once the
unit is powered up this built in programme will run.
If the user changes from the built in programme and
wishes to return to it, then pressing the reset button
Mon to Sun Indicators
ash
shown
Sat & Sun together
[5]
[6]
with a non metallic pointed tool will return the unit
to the built in / default programme.
NOTE: Every time the reset is pressed, the time
and date must be set again. See the sections
‘Setting The Time & Setting The Date’
Factory Programme Settings
2Pu & 2Gr 3Pu & 3Gr Mon-Fri Sat-Sun
1st ON 1st ON 6:00am 7:00am
1st OFF 1st OFF 8:30am 9:00am
- 2nd ON 12:00 noon 12:00 noon
- 2nd OFF 12:00 noon 12:00 noon
2nd ON 3rd ON 4:30pm 4:30pm
2nd OFF 3rd OFF 10:30pm 11:30pm
If the unit is installed as a 24 hour programmer the
built in programme will be the same for each day (i.e.
Sat-Sun be same as Mon-Fri above).
Selecting Operating Mode
CH MODE HW MODE
ON Central Heating and Hot Water is ON
AUTO Central Heating and Hot Water will be
ALL DAY Central Heating and Hot Water will
OFF Central Heating and Hot Water is OFF
continuously
switched ON or OFF as programmed
be switched ON only once each day
between the rst ON time and last
OFF time
continuously
Setting The Time
• Press the SET button once. The conguration
setting will appear on the screen.
• Press the SET button again. The clock icon [1] on
the screen will ash.
• Press the +/- buttons to adjust the time. Time will
change quicker if pressed continually.
• Press SET once to move on to setting the DATE or
press multiple times to return to RUN mode.
Setting The Date
• Press the SET button until the Y:XX icon (year)
appears and the D (DATE) icon [2] ashes.
• Press the +/- button to set the year.
• Press NEXT button. M:XX appears (month).
• Press +/- button to set month.
• Press NEXT button. D:XX appears (Day).
• Press +/- button to set day.
[1] [2][3] [4]
You can review or edit the date you have set just
by pressing NEXT button again and repeating the
sequence above. To conrm the date and move on to
PROGRAM mode press SET button once or press SET
button multiple times to return to RUN mode.
Changing Heating Times
The built in programmes can easily be changed to
better suit your lifestyle.
• Press SET button until radiator icon [3] ashes in
the display and 1 ON [4] appears. This indicates
the time shown on the display is the rst ON time.
• By pressing the +/- buttons you can alter the ON
time to the time you want.
• Press NEXT button, display will now show 1 OFF
[4].
• By pressing the +/- buttons you can alter the OFF
time to the time you want.
• Press NEXT button to access remaining ON/OFF
periods and alter in same manner as above.
• To return to RUN mode, press the SET button until
the display indicates RUN on the display
NOTE: Programming is in 10 minute segments.
Changing Hot Water Times
Press SET button until tap icon [3] ashes in the
display and 1 ON [4] appears. This indicates the time
shown on the display is the rst ON time and proceed
in same manner as ‘To change the Central Heating
Times’ above.
7 Day Programmer Option
If the unit is installed as a 7 day programmer, the
initial programme displayed will be for Monday.
You can go to any date of the week by pressing the
DAY button repeatedly.
The ON/OFF times can be changed for each day
as described above in the section “CHANGING
PROGRAMME TIMES”.
If you press the COPY button, the current programme
will be copied onto the next day.
NOTE: it is not possible to copy Sunday to Monday.
5/2 Day Programmer Option
If the unit is installed as a 5 day/2 day programmer,
the initial programme displayed will be for Monday
to Friday.
Pressing the DAY button will take you to the
programme for Saturday and Sunday.
The ON/OFF times can be changed for each day
group as described above in the section “CHANGING
PROGRAMME TIMES”.
If you press COPY button, the current programme
will be copied onto the next day group.
24 Hour Programmer Option
If the unit is installed as a 24 hour programmer, the
built in programme will be the same for each day.
The COPY & DAY buttons have no aect if installed as
a 24 hour programmer.
[5]
Programming Notes
The unit will automatically return to normal running
mode if a period of 30 seconds passes without any
buttons being pressed.
For convenience, to allow for programmes to go past
midnight, the programme day is from 03:00am to
02:50am the next day.
If a programme is required to run from 1.00 am to
8.00 am then 2 programmes must be used because it
is not possible to programme through 2.50 am. (The
programme should be split up into two sections; 3.00
am > 8.00 am and 1.00 am > 2.50 am).
[6]
Reset
Press the reset button with a non-metallic pointed
tool to restore the built in programme. As well as
restoring the built in programme, it also resets the
time to 12:00pm and the date to 01/01/2014. Initially
the display shows all segments lit for a few seconds,
but then will show the current conguration. See
‘Setting The Time’ section to continue.
As a safety feature aer reset the unit will be in OFF
operating mode. Reselect your required operating
mode.
Using Advance
The ADVANCE function allows the user to move to
the next ON or OFF programme for a “one o” event,
without having to change the programme or the
operating mode.
Warning: The ADVANCE function is only available
when programme is in AUTO or ALL DAY operating
modes.
To advance Central Heating
Press the Central Heating channel ADV button. This
will turn the Central heating ON if it is in an OFF
period and OFF if it is in an ON period. It will stay in
this state until either ADV button is pressed again, or
until a programmed ON/OFF period commences. The
word ADV [5] will appear in the top le hand corner
of the LCD.
To advance Hot Water
Press the Hot Water channel ADV button. This will
turn the Hot Water ON if it is in an OFF period and
OFF if it is in an ON period. It will stay in this state
until either ADV button is pressed again, or until a
programmed ON/OFF period commences. The word
ADV [5] will appear in the top right hand corner of the
LCD.
SERVICE AND WARRANTY
Your product is not user serviceable. PLEASE DO NOT TRY TO DISMANTLE THE UNIT.
This product is guaranteed by your supplier for 5 years from the date of manufacture. If it should become defective
please contact your installer or supplier for a replacement unit or visit www.sangamo.co.uk/returns
Using +HR Boost
For +Hr Central Heating
Press the Central Heating channel +HR button to
make the desired selection with one, two or three
hours extra heating [6] and cancel options oered.
Warning: The +HOUR function is only available
when programme is in AUTO, ALL DAY or OFF
operating modes.
If the Central heating operating mode is OFF, then
it will switch on for the extra hours selected. If the
Central heating mode is AUTO or ALL DAY, then
during an OFF period, it will switch on for the extra
hours selected. If during an ON period, then it will
temporarily extend that programme by the number
of hours selected.
For +Hr Hot Water
Press the Hot Water channel +HR button. to make
the desired selection with one, two or three hours
extra heating [6] and cancel options oered.
Warning: The +HOUR function is only available
when programme is in AUTO, ALL DAY or OFF
operating modes.
If the Hot Water operating mode is OFF, then it will
switch on for the extra hours selected. If the Hot
Water mode is AUTO or ALL DAY, then during an OFF
period, it will switch on for the extra hours selected.
If during an ON period, then it will temporarily
extend that programme by the number of hours
selected.
NOTE: If the programmer is in the OFF mode and
then +HR button is pressed (+1 HR, + 2 HR, or + 3 HR)
and the resulting time of the boost overlaps a START
/ ON time in the AUTO mode programme memory
then the boost will disengage. If this happens simply
press +HR button again and the boost will activate
for the time period chosen.
[1] [2][3] [4]
Holiday Mode
The Holiday function allows the user to turn all
channels to the OFF operating mode, for a settable
amount of days from 01-99 days. During this
function a suitcase icon will be displayed.
The number of days will decrease at midnight each
day.
The +HR boost override can be used during a
holiday period.
1. Press & Hold DAY button for 4 seconds to enter
the holiday function , d:01 ashes.
2. Press +/- button to set the holiday days.
3. Press DAY button to activate.
4. Press & Hold DAY button for 4 seconds to
cancel a holiday period.
Warning: The Holiday function is only available in
AUTO, ALL DAY or ON operating modes.
Power Interruption
In the event of a mains supply failure the screen will
go blank but the back-up battery ensures that the
programmer continues to keep the time and retain
your stored programme. When power is restored, if
there has been no change to the rear DIP switch, the
programmer then returns to its expected operating
condition.
If the conguration setting on the rear DIP switch
has been altered during the power interruption the
screen will initially show the new conguration. And
the appropriate factory default programme (see
BUILT IN PROGRAMME section) will be installed.
Press SET button to return to RUN mode.
If you have a problem or require any
further information please contact us on:
01475 745131
Sangamo Limited
Industrial Estate, Port Glasgow,
Renfrewshire, PA14 5XG
This product must meet Waste Electronic and Electrical Equipment Regulations (WEEE) for suitable environmental
recycling, recovery and/or disposal. End of life products should be handled in line with local regulations. Alternatively
return end of life product to Sangamo for correct disposal.
CUSTOMER CARE POLICY
As part of Sangamo’s continuous improvement program, the company operates a Customer Care policy. This means we
welcome your comments and complaints, as it can help us to improve our services to you, our customer.
Due to our policy of continuous product improvement and development, the specications in this guide may be subject
to change without prior notice.
143796 Issue B
Tel 01475 745131
Fax: 01475 744567
Email: enquiries@sangamo.co.uk
Web: www.sangamo.co.uk
WEE/JH0069TY
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