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POTTERTON CONTROLS CUSTOMER GUIDE FOR THE EP2000/EP2002/EP3002 1) THE PROGRAMMER AND YOUR SYSTEM If youhave an EP2000 Programmer, then you can set the HOT WATER and CENTRAL HEATING to come ON together for two time periods a day. If you have an EP2002 Programmer, then you can set the HOT WATER and CENTRAL HEATING to come ON together for two time periods a day, from MONDAY to FRIDAY, with different ON/OFF times for SATURDAY and SUNDAY, if required. If you have an EP3002 Programmer, then you can set the HOT WATER and CENTRAL HEATING to come ON together for two time periods a day, with different ON/OFF times for each day, if required. 2) SETTING THE PROGRAMMER FOR BUILT- IN ON/OFF TIMES The programmer already has built-in ON/OFF time periods, which are: MODEL EP2000 EP2002 EP3002 ON1 6.30am 6.30am 6.30am OFF1 9.30am 9.30am 9.30am ON2 4.30pm 4.30pm 4.30pm OFF2 10.30pm 10.30pm 10.30pm (MON - FRI) (SAT - SUN) (MON - SUN) These times can be used, by setting the correct time and day, as described for the 3 models in section 1.2, 2.2 or 3.2 overleaf. To set up your own ON/OFF times for your model, refer to section 1.3, 2.3 or 3.3 overleaf. If you wish to return to the built in time periods, after changes have been made to them, simply: Ensure the slider is in RUN position. Press and hold down the STEP & + button, then after 5 seconds, release the 2 buttons. The built-in times are now reinstated. 3) HOW TO SET YOUR PROGRAMMER Model: EP2000 1.1 OPEN DOOR from top edge 1.2 TO SET THE CLOCK Move slider to CLOCK. Adjust displayed time, using - & + buttons 1.3 SETTING THE ON/OFF TIMES Move slider to SET. Adjust ON1 time, using - & + buttons 1.4 Press STEP button. Adjust OFF1 time, using - & + buttons. Repeat for ON2 & OFF2 1.5 When complete, move slider to RUN CLOSE DOOR Model: EP2002 2.1 OPEN DOOR from top edge & + buttons. by pressing DAY button 3.3 SETTING THE ON/OFF TIMES (MON to FRI) Move slider to SET. Adjust displayed time. Adjust displayed time using .7 4) Example of ON/OFF times copied to next day When complete. Repeat above steps to set up SAT & SUN ON1.6 When complete. using .4 Press STEP button Adjust OFF1 time. to copy ON/OFF times. using .& + buttons.3 SETTING THE ON/OFF TIMES (MON . 3.& + buttons. move slider to RUN and CLOSE DOOR USING THE HW AND CH SLIDERS During Normal Operation.5 COPYING ON/OFF TIMES.& + buttons. Repeat above steps to set up the remaining days. Adjust ON1 time. 3.2.5 SETTING THE ON/OFF TIMES (SAT & SUN) Press DAY button. OFF2 2. Repeat for ON2 & OFF2 2. TO NEXT DAY Press DAY button.2 TO SET THE CLOCK & DAY Move slider to CLOCK. by moving these sliders you can select how you wish your system to work: OFF TIMED Ignores the ON/OFF time periods set in memory Allows the CH or HW to run to the ON/OFF times you have set in the programmer's memory .& + buttons. using . Repeat as required. by pressing DAY button 2. using . OFF1. Adjust day. 3. to select day you want to copy Press COPY. Adjust ON1 time. Adjust OFF1 time.& + buttons 2.6 3. to next day. to go to next day.4 Press STEP button. ON2. Repeat for ON2 & OFF2 Press DAY button.1 3. move slider to RUN CLOSE DOOR Model: EP3002 3. Adjust day.SUN) Move slider to SET. using .2 OPEN DOOR from top edge TO SET THE CLOCK & DAY Move slider to CLOCK. 2 or 3 hours. If yours is a simple system. the display will go blank and the programmer will maintain the set times and the clock for 12 hours. when the sliders are in TIMED or ONCE position. will not operate. boiler and cylinder thermostats) may affect the switching of your boiler. pumps etc. the change is only temporary. and the CH button advances CH. when CENTRAL HEATING is on. you may have to reset the clock and ON/OFF times. So although the indicator shows that the central heating is ON. e. Other controls in your system (such as room. Internal damage can occur if not correctly protected (5 Amp % 13 Amp fuses are NOT suitable) 10) DIAGNOSING POSSIBLE OPERATIONAL PROBLEMS No clock display 1. The button on the HW channel advances HW. This means the HOT WATER is automatically turned ON. To advance the programme. 9) GUIDE TO OPERATIONAL PROBLEMS WARNING: DISCONNECT THE MAINS SUPPLY BEFORE THE PROGRAMMER IS REMOVED Ensure ALL supplies to the programmer are fused at 3 Amps. After that time. so set the programmer switch ON. during an OFF period for 1. The status of either channel is shown by the indicators to the right of the sliders. simply press the relevant ADV button and the CH or HW will go OFF (IF ON) or ON (IF OFF). pressing the EXT or ADV buttons on CH will also extend or advance the HW. any electrical items. the boiler itself could be OFF. If you press the button a fourth time. NOTE: Using either the EXT or ADV buttons will not affect the ON/OFF times set in the programmer's memory. 7) OPERATION NOTES It does take time for the boiler to produce the required heating and hot water temperatures. NOTE: During the time that the electricity is off. The HW & CH sliders have a mechanical interlock to protect simple heating systems which can only heat the radiators when the HOT WATER is on. Boiler. 5) USING THE ADVANCE BUTTONS The ADV buttons allow you to go forward to the next ON or OFF time. the programmer will return to the original set times. press again to return to original status. When the interlock is set for simple heating systems. Check mains supply switch to programmer is ON 2.g. for example. 6) USING THE EXTEND BUTTONS The EXT buttons allow you to extend a current ON period or switch your HW or CH on. Check mains supply fuses to programmer are OK . the interlock will automatically cut the programming facilities that your system cannot cope with.ONCE ON Allows your CH or HW to run once a day from the first ON time to the last OFF time Will turn the CH or HW on continuously 24 hours a day The channel indicators to the right of the HW/CH sliders will illuminate when the relevant channel is ON and extinguish when the channel is OFF. (Ask your installer to explain how they work) 8) PROGRAMMER MEMORY BACKUP If the electricity fails or is switched off. half an hour earlier than required. If symptoms persist contact me . Check programmer output is ON (i. or the slider under the door is not set to RUN Heating and Hot Water will not work 1. (For simple systems) See Installers Guide Instruction. Check that the external Thermostats are turned up Heating not working.buttons at the same time (time of day and ON/OFF times may need to be set). Incorrect time displayed See 'How to Set Your Programmer' section If normal operation cannot be achieved by the above remedies RESET Programmer by pressing + & . Check remedy points under 'No clock display' 2.e indicator is lit) 3. but HOT WATER is working Check the 10/16 interlock setting.Buttons will not function EXT and ADV buttons will not work if the HW or CH slider are in OFF or ON mode.