ITC Dositec MP Manual
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ITC Dositec MP Manual

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DOSITEC
ENGLISH

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Leonard
May 15, 2025

My dositec pump, pumps for a few seconds then displays AL 1 even though the lines are full and does not have air in them

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1 comments:
Mr. Anderson
May 22, 2025

The AL1 error code on the ITC Dositec MP pump means the pump has detected no product (chemical) for five seconds. When this happens, the pump stops, displays AL1, and the alarm LED turns on. A level sensor is required for this function.

This answer is automatically generated

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Summary of Contents for ITC Dositec MP

  • Page 1 DOSITEC ENGLISH...

  • Page 3: Table Of Contents

    INDEX 1.- GENERAL DESCRIPTION 2.- SHIPMENT 3.- TECHNICAL FEATURES 4.- OPERATION 5.- INSTALLATION Generalities Hydraulic connection Electric conection 6.- START UP DOSITEC - MP DOSITEC - MD DOSITEC - mA DOSITEC - Q DOSITEC - PRC DOSITEC - MF 7.- MAINTENANCE List of parts C.E.

  • Page 4: General Description

    (See materials in Technical Features). In case there is any doubt about compatibility of materials with the products to be used please contact ITC S.L. Technical Service. The metering pump has been designed to feed liquids with capacities from 0 to 15 l/h and pressures from 0 to 10 bar.

  • Page 5: Technical Features

    3.- TECHNICAL FEATURES C/min Volum Weight Stroke Power Flow Pressure Power ml/cycle length mm Watts supply Volts 230V AC 0.35 (0.16A) 230V AC 0.28 (0.30A) 230V AC 0.83 (0.16A) 230V AC 1.25 (0.30A) 12V DC 0.35 (2 A) 12V DC 0.83 (2 A) Maximum suction high: 2 m...

  • Page 6: Operation

    DIMENSIONS 4.- OPERATION The metering pump is activated by a PTFE diaphragm mounted on a piston of an electromagnet. When the piston of the electromagnet is attracted, a pressure is produced in the pump body with an expulsion of liquid from the discharge valve. Once the electric impulse is finished a spring brings the piston back to the initial position, with a recall of liquid through the suction valve.

  • Page 7: Installation

    5.- INSTALLATION GENERAL Install the pump in a dry place and well away from sources of heat and, in any case, at environmental temperatures not exceeding 40°C. The minimum operating temperature depends on the liquid to be pumped,bearing in mind that it must always remain in a liquid state.
  • Page 8 To prime the pump, first connect the priming hose to the priming valve and drive the other side of the hose to a safety place to PRIMING pour the air mixed with product. VALVE Open the priming valve and start the pump at maximum flow until having only liquid in the priming outlet.
  • Page 9 230V AC L1 (BLUE) L2 (BROWN) YELLOW /GREEN 3- Ground 4- Reset - Signal input mA (+) 2- Signal input mA (-) 3- Pulse input (+) 3- Signal mA (+) 3- Pulse input (+) 4- Pulse input (-) 4- Signal mA (-) 4- Pulse input (-) 1- Output mA (+) 1- Flow sensor.

  • Page 10: Start Up

    6.- START UP AND REGULATION BASE: Check that the pump is properly secured to the base. CHECKING THE HYDRAULIC CIRCUIT: Check that all valves are open and the liquid from priming valves are derived correctly CHECKING OF PUMP: Visually/hearing check the proper operation of the pump.

  • Page 11: Dositec - Mp

    DOSITEC MP MANUAL REGULATION DOSING PUMP Flow regulated with a potentiometer, it control the impulsion frequency. Adjust of the frequency from 0 to 100%. Special flow regulation at 0-20% frequencies. 1 START 2 STOP 3 Regulation at 20% maximum 4 Regulation at 100% maximum...

  • Page 12: Dositec - Md

    DOSITEC MD DIGITAL DOSING PUMP WITH MANUAL REGULATION Flow set with keyboard, from 0 - 100%. 1 Increase value 2 Decrease value 3 START /STOP 4 Display 5 Power LED 6 Injection LED ACCESSORIES - 1 flexible transparent PVC suction hose 2m - 1 semirigid white PE injection hose 2m - 1 injection valve 3/8”...

  • Page 13: Dositec - Ma

    DOSITEC mA ANALOGIC 4-20mA DOSING PUMP Dosing pump, flow regulated through a 4-20mA external signal. 1 Displays mA or pulse 2 Increase value 3 Decrease value 4 Select function 5 Enter 6 Pulse LED display. 7 Manual selection LED 8 SET POINT 2 / STOP LED 9 SET POINT 1 / STOP LED 10 Meter LED 11 mA LED display...
  • Page 14 LEVEL ALARM (FAO) Pump stops, displays FAO, and the alarm LED is on when detecting no product for five seconds. A level sensor is required. POWER ON THE PUMP The pump starts with METER, pulse per minute is displayed. Use mA / pulse, to display input signal / injections per minute. PRIMING Select MANUAL function and select the frequency to prime the pump.
  • Page 15 SET POINT 2 Sets the value of the input signal for the maximum flow, and the frecuency of the injections. F to select SET2/STOP, shows the frecuency of the injections. +/- to change the frecuency of the injections (pulse/min), for maximum flow. mA/pulse to select mA.
  • Page 16 DOSITEC Q PROPORTIONAL DOSING PUMP Dosing pump with a water counter input. Sets a proportion between the pulses from the water counter and the injections of the dosing pump. 1XN(M) START STOP 100% 1 Decrease value 2 Increase value 3 Select function 4 START / STOP 5 Display 6 Manual LED...
  • Page 17 LEVEL ALARM (AL1) Pump stops, displays AL1 and the alarm LED is on when detecting no product for five seconds. A level sensor is required. PROGRAMMING MANUAL MODE F to select function. 1)Select injection frequency with 2)Confirm with START/STOP. 3)START/STOP to start. PROPORTIONAL MODE F to select function.
  • Page 18 Water counter gives a pulse to the pump. The pump dosifies 20 injection strokes, while the pump is dosing pulses from water counter are ignored. Once the pump has finished 20 strokes, it waits for another pulse of the water counter to start again.

  • Page 19: Dositec - Prc

    DOSITEC PRC PH, ORP (REDOX) DOSING PUMP Microcontrolled dosing pump for PH or ORP (redox) control. 1 Decrease value 2 Increase value 3 ESCAPE 4 On/Off 5 ENTER 6 Display 7 Power LED 8 Injection LED 9 Alarm LED ACCESSORIES - 1 flexible transparent PVC suction hose 2m - 1 semirigid white PE injection hose 2m - 1 injection valve 3/8”...
  • Page 20 DEFAULT PARAMETERS Measure selection Setpoint Hysteresis Control ácido ON/OFF - Proporcional control ON/OFF Proportional control start value Set point+1pH First point calibration procedure Second point calibration procedure Lowest Alarm value 0.00 Highest Alarm value 14.00 Over-dosing alarm value 99:59 (h:m) Menu: BASE / FULL BASE Password...
  • Page 21 LEVEL ALARM Pump stops, LEVEL and ALARM are displayed, and yellow LED is on when the pump detects no product for 5 seconds. A sensor level is required. PROGRAMATION Selection of the parameter to control. First time pump is on, the parameter is flashing (default parameter is pH).
  • Page 22 Password: MENU SETUP OFF: password disabled Use +/- to set a password first digit, press ? to MENU go to the next digit. SETUP Confirm with ENT. Level or flow sensor. +/- to select LEVEL to connect INPUT MODE a level sensor, or for a flow sensor.
  • Page 23 ORP (redox) calibration: POINT 1: Short circuit the BNC connector. +/- to select 0. Confirm with ENT. Point 2: Connect the sensor and put it in the chemical solution (250, 475, 650 mV). +/- to select the same value of the chemical solution used. Confirm with ENT MENU SETPOINT...
  • Page 24 POINT ON-OFF POINT DELAY SET POINT PROP. SET POINT PROP. SET POINT PROP. POINT 20mA POINT MENU ALARM ALARM...
  • Page 25 Minimum value where the alarm is on, and stops the dosing. When the reading goes to a correct value the pump is on with the alarm registered on the screen. +/- to change. ALARM Confirm with ENT. OVER DELAY, maximum time to get the set point. If this time is over alarm is on, and the OVER DELAY...

  • Page 26: Dositec - Mf

    DOSITEC MF MULTI-FUNCTION DOSING PUMP Dosing pump allows a manual flow regulation, a proportional dosing refered to a pulse input rate, 4-20mA analogical external signal, o with a timer. START STOP 1 Decrease 2 Increase 3 Previous program 4 Next program 5 START / STOP 6 Display 7 Power LED...
  • Page 27 LEVEL ALARM Pump stops when the pump detects no product for 5 seconds. A sensor level is required. PROGRAMMING First screens MENU SELECT MENU SELECT MENU SELECT MENU SELECT MANUAL 1xN(M) MENU SELECT MENU SELECT MENU SELECT MENU SELECT REMOTE ALARM MENU SELECT MENU SELECT...
  • Page 28 PROPORTIONAL MODE Proportional dosing between the pulses of the water counter, and the pump injections. 1XN MODE For each pulse received, the pump injects "N" times. N is set by the user, frecuency is set in manual mode. to set “N” injections MENU SELECT MENU 1xN 1x N...
  • Page 29 1:N MODE For each N pulses received the pump injects once. N is set for the user. select the number of MENU SELECT MENU 1-N 1- N n= 10 pulses. 12:00 Confirm with START /STOP. Example: - Pump set on 1:N mode. - N= 20 - When the pump receives 20 pulses, injects once.
  • Page 30 STOP or CONTINUE the to select OVER mA (2) OVER mA (2) dosing when signal value is over SET mA STOP CONTINUE (2). Confirm with :00.0 Pres START/STOP to start running according the configuration set. 12:00 PPM MODE Doses in Parts Per Million to select liters/pulse of the flowmeter.
  • Page 31 REMOTE ACTIVATION The pump can be activated with a contact at a maximum distance of 100 meters. (3-4 Connector C, page 9). Open contact activation(NORMAL), close contact activation(REVERSED). NORMAL MENU SELECT MENU REMOTE Open contact: pump on REMOTE NORMAL Close contact: pump off select.
  • Page 32 select the month. CLOCK SET Confirm with 2007 “JAN” 01 select the day. CLOCK SET Confirm with 2007 JAN “01" TIMER Timer in a day can activate 8 cycles start-stop of the pump. TIMER OFF MENU SELECT MENU TIMER select the function. TIMER TIMER OFF Confirm with...
  • Page 33 SUNDAY SET 1 OFF Sunday stop time. SUNDAY SET1 to select time 1:20 Confirm with Repeate for cycles number of each day of the week. Maximum 8 for each day. LANGUAGE Select language. English. MENU SELECT SET LANGUAGE select language. LANGUAGE ENGLISH Confirm with...

  • Page 34: Maintenance

    7.- MAINTENANCE Before any maintenance operation check: The pump is stopped and disconnected from the electric supply. There is no pressure neither inside the head nor in the impulsion pipe. It is advisable to empty the head before opening it. The staff in charge of the maintenance will use the adequate protection means in order to manipulate the dosed liquid.
  • Page 35 TROUBLE SHOOTING MECHANICAL FAULTS As the system is quite robust there are no apparent mechanical problems. Occasionally there might be a loss of liquid from the nipple because the tube nut has loosened, or more simply the discharge tubing-has broken. Very rarely there may be losses caused by the breakage of the membrane, or by the membrane seals in which case they have to be replaced by disassembling the four screws of the pump head, when re-mounting the pump head ensure that the...
  • Page 36 DOSITEC PARTS 59203 59206 59212 59204 59207 59205 59208 59609 59612 59615 Fusibles: 59610 59613 59616 59315 59611 59614 59617 59316 59201 59213 59602 59605 59608 59603 59606 59604 59607 59210 59158 59161 59159 59162 59160 59154 59300 59200 59211 59631 59215 59155...
  • Page 37 KIT ACCESORIOS DOSITEC PP 59-049-P FOOT FILTER 4X6 PP HOSE 4X6 CHECK VALVE 4X6 PP 59-806 59-851-P 18-313 59811 59824 59812 18-312 59813 59817 59802 KIT ACCESORIOS PVDF 59-049-F HOSE 4X6 PTFE CHECK VALVE 4X6 PVDF FOOT FILTER 4X6 PVDF 59-851-F 59-806-F 18-385...

  • Page 38: List Of Parts

    Screw 2,9x13 59-080-F Cylinder with automatic degassing valve 59315 Fuse 1A Dositec Q/PRC assembly PVDF 59316 Fuse 1A 20x5 Dositec MP/MD/mA/MF 59101 Plate for level sensor stand 59602 Electromagnet D80 2/12V 59-806-E Injection check valve 4x6 3/8 EPDM 59603 Electromagnet D80 6-7 12V 59-806-F Injection check valve ball 4x6 ½...

  • Page 39: Warranty

    EC CONFORMITY DECLARATION I.T.C S.L.. Mar Adriàtic, 1 Polígono Torre del Rector 08130 Santa Perpètua de Mogoda Declares that all models DOSITEC products, identified by a serial number and year of manufacture, strictly fulfill low voltages directives D2014/35/UE and electromagnetic compatibility directives D2014/30/UE as long as installation, use and maintenance are carried out following the prevailing regulation and following the instructions contained in the handbook.
  • Page 40 Ed:19/05/2017-AN C/ Del Mar Adriàtic nº 1 Pol. Ind. Torre del Rector P.O. Box 60 08130 STA. PERPETUA DE MOGODA BARCELONA - SPAIN Tel. 935 44 30 40 Fax 935 544 31 61 e-mail: itc@itc.es www.itc.es...

This manual is also suitable for:

Dositec mdDositec maDositec qDositec prcDositec mf

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