Quality Petroleum Equipment
Solutions for Over 30 Years
ARM-4073
Automatic Repressure Module
Installation & Operation Manual
Rev. 05/08/2021
Страница 1: ...Quality Petroleum Equipment Solutions for Over 30 Years ARM 4073 Automatic Repressure Module Installation Operation Manual Rev 05 08 2021 ...
Страница 2: ...llowing statements outline the operation of the ARM 4073 1 With power applied the module is active and performs its timing functions The pump timer is the first to operate following the application of power Following the completion of the pump cycle the delay timer determines the elapsed time to the next pump cycle 2 There is a small switch module located in the center of the circuit board This mo...
Страница 3: ...o difference whether the turbine s at your site are single phase or three phase The ARM 4073 only controls the coil on the turbine contactor just as any other authorization signal would The vast majority of installations for the ARM 4073 can be described with Figure 1 located on page 10 of this manual If you feel that your site is unique in some way please do not hesitate to consult with VMI for t...
Страница 4: ...ith the lever positioned toward the terminal block power is applied to the module on position With the lever positioned away from the terminal block power is removed from the module off position Care should be exercised when operating the switch as voltage may be present on the L1 L2 terminals MEASURING SYSTEM BLEED BACK When under pressure all closed piping systems exhibit an elastic response tha...
Страница 5: ...se set the selector to the DISPENSER NOZZLE position Purge the tester of air by allowing 800 to 1000 ml of fuel to flow into the beaker After purging the LDT 890 set the selector to the PRESSURE STEP TEST position 11 Purge the dispenser line by running several gallons of fuel into an approved safety container 12 Bleed Back Measurement Remove the dispenser authorization The turbine should stop runn...
Страница 6: ... the bleed back measurement procedure and set up of the ARM Repressure Module A 3 GPH test should now be completed LEAK DETECTOR TEST AT 3 GPH Whether a new installation or the retrofit of an existing installation using VMI Leak Detectors a leak test should be performed This is done to ensure that the VMI Leak Detector is operating normally and that the selected ARM delay time is long enough for t...
Страница 7: ...ZZLE position Fuel will begin to flow into the beaker After the reading on the right hand pressure gauge falls to zero set the selector to the PRESSURE STEP TEST position 8 Read Operating Pressure Authorize the dispenser The turbine will start running Watch for the turbine to achieve operating pressure as seen on the right hand pressure gauge Note this pressure reading and then remove the authoriz...
Страница 8: ...Switch The turbine will start running Immediately return to the dispenser On the right hand pressure gauge of the LDT 890 verify that normal operating has been achieved Set the selector on the LDT 890 to the GPH TEST position This will introduce a 3 GPH leak to the system Because the leak detector has already stepped through to its fully open position nothing will change This leak must be introduc...
Страница 9: ...3 Automatic Repressure Module is now fully functional and actively working to eliminate slow flow issues TIMER SWITCH SETTINGS Table 1 Pump Timer Switch Setting Switch Number Pump Time 1 OFF 30 seconds ON 70 seconds Table 2 Delay Timer Switch Settings Bleed Back ml Switch Number Delay Time minutes 2 3 4 5 150 OFF OFF OFF OFF 2 0 350 ON OFF OFF OFF 4 5 550 OFF ON OFF OFF 7 0 700 ON ON OFF OFF 9 5 9...
Страница 10: ...om If you have any questions or concerns after reading this manual please contact VMI We are committed to customer service and the safety and satisfaction of our customers Manufactured by Vaporless Manufacturing Inc Electronics Division 8700 East Long Mesa Drive Prescott Valley Arizona 86314 Phone 928 775 5191 Website www vaporless com Technical Support electronics vaporless com ...
