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Service Manual

Proportioning Unit

evolution G-30 H

Issue 3.1 09/01/20

Ref. NR-00040-ENG

Before installing the unit and starting it up, carefully read all the technical
and safety documentation included in this manual. Pay special attention
to the information to know and understand the operation and the
conditions of use of the unit. All of the information is aimed at enhancing
User Safety and avoiding possible breakdowns derived from the incorrect
use of the unit.

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Summary of Contents for evolution G-30 H

Page 1: ...carefully read all the technical and safety documentation included in this manual Pay special attention to the information to know and understand the operation and the conditions of use of the unit A...

Page 2: ...uct Use of heating devices pumping equipment dispensers or other parts or accessories with the Product that have not been approved or manufactured by HI TECH Failure to follow the operating instructio...

Page 3: ...ation and the conditions of use of the unit All of the information is aimed at enhancing User Safety and avoiding possible breakdowns derived from the incorrect use of the unit WARNING establishes inf...

Page 4: ...r Deal with the waste caused according to current regulations Disconnect the unit from the power supply before carrying out any operation inside the electrical console The electrical maintenance of th...

Page 5: ...on transformer that enables effective heating up to a total hose length of 305 ft for foam and 256 ft for polyurea The system includes an innovative hose heating concept in which the copper heating el...

Page 6: ...ctrician Mechanical Maximum working pressure with pumps 1 2 __________________________ 140 bar 14 MPa Maximum working pressure with pumps 0 8 _________________________ 240 bar 24 MPa Maximum productio...

Page 7: ...evolution G 30 H Service Manual 7 44 Issue 3 1 Ref NR 00040 ENG http www gamapur com Figure 1 General Description GENERAL DESCRIPTION...

Page 8: ...probe Provides information on the temperature of the Isocyanate 11 Polyol Pressure Gage Indicates the pressure in the Polyol system 12 Polyol Safety Pressure Switch Deactivates the directional valve i...

Page 9: ...control panel displays to Metric or English Set to EU for the pressure to be shown in bar and the temperature to be shown in degrees Celsius Set to USA for the pressure to be shown in psi and the temp...

Page 10: ...is value by pressing the UP DOWN keys Once the change is made press the MODE key once more for the new value to be entered into memory and to select the next parameter for setting The modification mod...

Page 11: ...ith two hose transformer power locate the DIP Hose ISO and the DIP Hose RESIN to ON position if the hoses have TCS for the temperature control system or OFF position if the hoses not have TCS Please b...

Page 12: ...l the amperage flashes press the UP DOWN keys to enter the number of amps required and press the MODE key once more to enter the value into memory Refer to the table shown below to select the power th...

Page 13: ...displayed in psi and the temperature in degrees Fahrenheit Please be aware that after manipulating the DIP selector you should switch off the unit so the change in detected buy the board 7 Counter Ind...

Page 14: ...et off The ratio control parameters are factory set When the key is active the led in its center will come on 11 Normal Key Activates the normal operation of the machine When the key is active the led...

Page 15: ...Excessive POL Pressure deactivates the directional valve and the heating system Check the product pressure Check the number 11 led of the printed circuit it must be lit Check the over pressure safety...

Page 16: ...ucer if there is no reading Press the ratio key to cancel the function 11 000000 Cycle Pre selection made deactivates the directional valve Press the MODE key to reset the counter Set the cycle select...

Page 17: ...00001 Magnet holder tools 1x HT 00003 Pin extractor 1x KT 00040 PKG Kit adaptation Fast Lock 1x Inside the console there is a terminal strip for connecting the principal electrical wire not supplied...

Page 18: ...il is not more than 80 of its maximum capacity 63 Lts 16 6 gal Use the visual level indicator of temperature on the tank as a reference because the maximum temperature limit 80 C 176 F coincides with...

Page 19: ...ors of the Isocyanate and Polyol hoses the connectors are of different sizes to make it impossible for connections to be swapped Figure 3 Method of union of the Hoses WARNING To join the hoses togethe...

Page 20: ...h of hose installed If you add or eliminate sections of hose make sure the output voltage of the transformer to which it is connected is suitable for the resulting total length Otherwise change the co...

Page 21: ...t to kink or excessively bend the hoses Do not roll up the hoses with a radius of under one meter 4 feet l Connect the air hoses m Connect the hoses to the connectors of the coupling block of the gun...

Page 22: ...ity and produce electrical discharges Before using the unit the residual air and oil from factory testing must be eliminated To purge the whole circuit proceed as follows f Pressurize the transfer pum...

Page 23: ...he two leds will light i Press the ISO and RESIN keys under the HEATERS display when the products in the hoses reach the working temperature The two leds will light PRECAUTION To avoid excessive press...

Page 24: ...em with a minimum pressure of 30 bar 400 psi to extend the life of the seals c Press the MOTOR key The led will go out d Press the ISO and RESIN keys under the heater temperature display The two leds...

Page 25: ...them in the drums of the DOTP cleaning agent d Place a vessel under the coupling block to gather up the products contained inside the machine e Open the manual valves on the coupling block and press...

Page 26: ...l valves on the coupling block and press the MOTOR and NORMAL keys to start up the dosing pumps f Allow the products to come out until you see that only DOTP cleaning agent comes out free of impuritie...

Page 27: ...ts used in the process carefully read the safety information provided by your supplier Deal with the waste caused according to current regulations Disconnect the unit from the power supply before carr...

Page 28: ...y by deactivating the POWER CONTROL The thermostat will not reset until the temperature in the heater is below 120 C 248 F If the temperature in the Isocyanate heater or the Polyol heater is over 120...

Page 29: ...each element is as shown in the table according to the installed power and voltage Table 1 Elements Values List W V x1 x2 x4 x6 450 230 117 2 58 2 29 2 19 2 900 230 58 2 29 2 14 2 9 2 900 400 177 2 8...

Page 30: ...ww gamapur com 4 Temperature The control panel automatically detects any fault in the operation of the temperature If the fault occurs replace the probe paying special attention not to damage it when...

Page 31: ...heated 5 The hose display shows the symbol 6 The automatic switch is triggered 3 SOLUTIONS 1 Hose Length The evolution G 30 H has been designed to work with a maximum hose length of 93 meters 310 ft A...

Page 32: ...e the Fast Lock connector from the last section of hose and make a bridge on the connection immediately before d Restore the power supply press the POWER CONTROL key and the ISO and RESIN keys under t...

Page 33: ...ts are in the correct working position before determining the existence of a fault PROBLEMS SOLUTIONS The pumps fail to maintain the pressure when the unit is shut down 1 There are pressure difference...

Page 34: ...the decompensation is the consequence of a problem in the pumping system 3 Cavitation Cavitation occurs when the metering pump requires a larger volume of material than that supplied by the feeding sy...

Page 35: ...r the reels are changed and the direction indicator lights if the reels are not changed or the direction indicator lights fail to come on there is an electrical problem in the run end micro or in the...

Page 36: ...electric motor is protected by an overload safety switch that triggers when the motor draws excessive current Disconnect the machine from the power supply allow the motor to cool open the control pan...

Page 37: ...ied electrician To avoid damage caused by the impact of pressurized fluids do not open any connection or perform maintenance work on components subject to pressure until the pressures have been comple...

Page 38: ...of the resistance must be as shown in Table 1 on pag 29 d Apply Teflon or sealing paste to the thread and assemble the element into its housing e Reconnect the wires to the terminal block make sure t...

Page 39: ...ch year as indicated below a Depressurise the unit and disconnect it from the power supply Clean the hydraulic tank lid to prevent foreign bodies from falling into the tank when the lid is removed b R...

Page 40: ...ar hits or marks that may affect the normal functioning of the pump Check the condition of the ISO pump lubricant daily Change the DOTP if it becomes gelatinous or darker Gel formation is due to moist...

Page 41: ...risk of moisture contamination or contamination through the reaction with the solvent used in the cleaning operation To check the product inlet filters proceed as follows a Disconnect the unit from th...

Page 42: ...the gaskets and the seals are in a good condition the plasticizer will not have to be changed so frequently To replace the plasticizer proceed as follows a Project the gun until the Isocyanate meterin...

Page 43: ..._______________________________________ 23 Shutdown proedures __________________________________________ 24 Cleaning ____________________________________________________ 25 long term shutdown procedur...

Page 44: ...00040 ENG http www gamapur com Figure 1 General Description ___________________________________ 7 Figure 2 Control Panel ________________________________________ 10 Figure 3 Method of union of the Hos...

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