Seko Twindose 35 Series Inst.. - UK

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TWINDOSE 35 – System for dishwashers 3.2.4 Potentiometer POT4 (OFA TIME) 1s. Disabled 255 sec The OFA alarm is activated when the detergent concentration in the tank does not reach the set point within the time set using the POT4 (OFA TIME) potentiometer. As soon as detergent dosage begins, TWINDOSE 35 doses in conductometric mode (with probe) for the OFA time set using the POT4 (OFA TIME) potentiometer. Once this period of time has expired, if the detergent pump is still running the system goes into an OFA1 alarm phase: • The alarm LED flashes. • The buzzer sounds intermittently. • During this initial phase the pumps do not cut out. This alarm status ends if the detergent pump stops before the second OFA time (OFA2) has expired. If the detergent pump continues dosing for a further OFA interval, the device enters a second OFA phase, known as OFA2. During this alarm phase (OFA2): • The buzzer sounds continuously. • The LED stays lit permanently. • The detergent pump stops. PLEASE NOTE: The detergent pump will not start up again. To reset proper functioning, eliminate the cause of the alarm and then switch the system off and on again. The OFA time can be set using the POT4 (OFA TIME) trimmer, for a period of between 1 second and 255 seconds. To disable the OFA alarm, turn the POT4 (OFA TIME) trimmer all the way to the left. 3.2.5 Potentiometer POT5 (DETER INIT CHARGE) 1sec 255 sec This potentiometer manages the dosing time for the detergent pump during the first charging phase, and it is activated when TWINDOSE 35 receives a signal on the CHARGE SIGNAL terminal. The time setting can vary between 1 and 255 seconds. TWINDOSE 35 code 0000136655 rev. 1.0 18
TWINDOSE 35 – System for dishwashers 3.3 DESCRIPTION AND SETTINGS FOR THE JUMPERS 3.3.1 How to set the buzzer to the required volume The buzzer volume can be set using jumper JP4 (N° 24 on page 5) to HIGH or LOW volume, or it can be disabled. • Select HIGH for loud volume. • Select LOW for quiet volume. • Remove the jumper to exclude the buzzer. 3.3.2 Voltage range setting for the input signals TWINDOSE 35 is fitted with 3 jumpers that are used to select the voltage range that is accepted by the terminals used for the signals from the dishwasher’s CHARGE SIGNAL (First Charge Signal), RINSE SIGNAL, and WASH SIGNAL. These jumpers are numbered JP1, JP2, and JP3 and are described under numbers 20, 21, and 22 in paragraph 2.3. These jumpers can be set to: • HIGH: In this case the voltage range accepted by the terminals used for the signals coming from the dishwasher is between 150 and 265 Vac. • LOW: In this case the voltage range accepted by the terminals used for the signals coming from the dishwasher is between 20 and 265 Vac. 4 PRIMING AND DE-LIMING MODE 4.1 PRIMING • When the RIN PRIME button on the front panel is pushed, the rinse aid pump runs at top speed. To prime the pump the system must be fed. • When the DET PRIME button on the front panel is pushed, the detergent pump runs at top speed. To prime the pump the system must be fed. • When the SAN PRIME button on the front panel is pushed (only LLL and DLL versions), the sanitizer pump runs at top speed. To prime the pump the system must be fed. 4.2 DE-LIMING (DE-ENCRUSTING OF DISHWASHERS) The system can include a special stand-by status that allows the dishwashing machine to be cleaned without having to switch it off. To enter DELIME mode, push DETERGENT PRIME and RINSE PRIME simultaneously. In DELIME mode, TWINDOSE 35 does not recognise any input signal, thereby disabling any type of dosing, even when the dishwasher is running. When in DELIME mode, the DET LED flashes, the RIN LED flashes, the SAN LED flashes, and the ALARM LED flashes. The buzzer cannot sound, the alarm relay is deactivated, and the pumps are stopped. To exit DELIME mode simply return to operating mode by pushing any key. TWINDOSE 35 code 0000136655 rev. 1.0 19
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Seko Twindose 35 Series Inst.. - UK

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