U102-A2 Pumping Unit

U102-A2 Pumping Unit

Materials:

Body: Aluminum (Spray-Painted)

seals: Buna-N

Technical Specifications:

Power:750-1000W

Flow Rate:45~90L/min

Rotary speed :630~730rpm

Noise: 68db(A)

Minimum. vacuum degree: 0.054Mpa

Pressure Drop: 0.12-0.25Mpa

Separate Ability of Oil and Air: >=20%

Features :

Positive displacement, self priming, internal gear type and adjustable bypass valve.

Designed for quiet, vibration-free operation.

Reusable suction strainer filter at inlet connection.

Reverse check valve at air separator float mechanism.

Check and relief valve at outlet of pumping unit.

100% Factory Tested.

Package:

Product ID Net Weight Cross Weight Dimension

U102-A2 18kg/case of 1 18.5kg/case of 1 36×32× 30cm/case of 1

. Oil in separating chamber fail to flo fuel dispenser w into low pressure chamber because return valve is jammed due to big floater split and much waste in return valve. Many operations without refueling lead to overflow in exhausting pipe. Fuel without data count Pin installed on the elbow of measurement transducer has broken. Replace new elbow or pin. It has some wrong in count pulse of transducer though axis is still rotated. Inspect wiring of double opticaleletric pulse, main board and chipset. Confirm that whether trouble of short circuit on wiring board. 11. Although fuel dispenser normally discharge display screen don’t show data. Failure in PPU change Using multimeter examines parameter lock whether open or closed. Computer of fuel dispenser is on power, but can’t start operation. Firstly inspect keyboard lock’s state, capacitor on wiring board. Measure voltage of power supply (�V, �2 V). Examine switch signal, change when necessary. Inspect boot-strap signal，replace new main board as signal break. Examine power supply wiring if motor stop rotation with signal. Abnormal fuel dispenser stop in operation Inspect voltage of power supply (�V, �2 V), change the one that low voltage. Lead connection is not fixed. Tight bolt fixing lead. Wire voltage of motor is unstable. Display screen trouble Change display screen with new one. If still don’t displays replace main board of fuel dispenser Keyboard trouble Replace with a new keyboard, if could work there is wrong in previous keyboard. If still don’t work with a new keyboard, trouble would be in mainboard. Computer doesn’t work on power Inspect voltage of power supply (�V, �2 V),replacing broken one. Examine SW signal; if failure replacing optical board. If SW signal is in normal state, replace main board. Date jump in display screen as hold up or put down nozzle One of reason is leakage on pipeline and bottom valve. Randomly prolong or replace non-standard pipe and hose also make this trouble on fuel dispen fuel dispenser

The payment card can be swiped only at t fuel dispenser he end of the rung-up　　 process.　　1.5 Outstanding Issues　　Asclearly estated this interface solves the independence between the POS Sell application and the EPS　　application; a further goalmightbe persecuted: decoupling the EPS application from the PinPad that equals　　to decoupling the EPS application from the OPT or CRIND on the forecourt.　　This second goal will be object of integration to this interface. This integration will enhance the current　　interface without impact or modification to the existing design: it willjust add the proper command list with the　　necessary data format to be exchanged with the devices (Part B of the interface).　　August 2002 IFSF STANDARD FORECOURT PROTOCOL FP319_1.00　　 EPS POS INTERFACE SPECIFICATION　　Page 14 of 146　　2. USE CASES AND INTERFACE PARTITION IN PART A AND PART B　　The Use cases objective is to describe the behaviour of an application depicting any possible scenario. In　　this document th fuel dispenser e object is not a proper application but an interface among applications: the use cases　　contain only the relevant behaviour of the interface.　　To simplify the interface description the peripheral control is not included in the primary use cases but it is　　considered as a part of the EPS application or of the POS application. The primary interface between POS　　and EPS application results much simplified and is nominated Part A of XML Payment.　　The EPS application might involve different interaction with peripherals depending on the type of card the　　system condition the configuration and the customer behaviour; all of these possibly complex Use cases are　　omitted in favour of a simple interface description of direct inputoutput fromto peripherals. This same　　description is valid for the POS application interaction with peripherals.　　This interface versus pe fuel dispenser

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