Air Monitor VELTRON DPT 2500 Скачать руководство пользователя страница 1 | Manualshive

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Air Monitor VELTRON DPT 2500 Скачать руководство пользователя страница 1

Installation, Operation,

and Maintenance Manual

VELTRON DPT 2500

Ultra-Low Range Differential
Pressure & Flow Transmitter

Installation, Operation & Maintenance

Air Monitor Corporation provides complete

technical support between the hours of

7 a.m. and 5 p.m. PST, M-F

Contact our Service Department

Toll Free: 1-800-AIRFLOW

or fax us at 1-707-526-2825

Air Monitor Corporation

116-045-10.P65 (6/99)

VELTRON DPT 2500

- IO&M Manual

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Содержание VELTRON DPT 2500

Страница 1: ...Transmitter Installation Operation Maintenance Air Monitor Corporation provides complete technical support between the hours of 7 a m and 5 p m PST M F Contact our Service Department Toll Free 1 800 AIRFLOW or fax us at 1 707 526 2825 Air Monitor Corporation 116 045 10 P65 6 99 VELTRON DPT 2500 IO M Manual ...

Страница 2: ......

Страница 3: ...NSMITTER 2 2 2 OUTPUTS 2 2 4 POWER 2 2 4 MATERIALSOFCONSTRUCTION 2 SECTION3 INSTALLATION 3 1 RECEIVINGANDINSPECTION 3 3 2 LOCATION 3 3 3 MOUNTING 4 3 4 PROCESSCONNECTIONS 5 3 5 POWER SIGNALCONNECTIONS 6 SECTION4 OPERATION 4 8 LOWPASSFILTER 7 SECTION5 CALIBRATION 5 1 REQUIREDEQUIPMENT 8 5 2 PREPARATION 8 5 3 TRANSMITTERINPUTCALIBRATION 9 10 SECTION6 MAINTENANCE 11 SECTION7 CUSTOMERSERVICE 12 APPEND...

Страница 4: ......

Страница 5: ...l components Purchaser shall notify Seller in writing of such defect within sixty 60 days of discovery of the defect This warranty does not extend to any product sold by Seller which has been the subject of misuse neglect accident damage or malfunction caused by interconnection with equipment manufactured by others improper installation or storage or used in violation of instructions furnished by ...

Страница 6: ...re from an airflow measuring station and convert the sensed differential pressure into a 4 to 20mADC output signal proportional and linear to static or velocity pressure An optional integral LCD digital display provides local indication of the measured process in appropriate engineering units in w c CFM FPM etc The VELTRON DPT 2500 is available in a NEMA1 brushed aluminum enclosure with external w...

Страница 7: ... quick release latch and bulkhead signal and conduit connections 2 1 TRANSMITTER Pressure Spans Velocity Spans 0 to 0 10 w c 0 to 1266 fpm 0 to 0 25 w c 0 to 2003 fpm 0 to 0 50 w c 0 to 2832 fpm 0 to 1 00 w c 0 to 4005 fpm 0 to 2 00 w c 0 to 5664 fpm 0 to 5 00 w c N A 0 to 10 00 w c N A Spans are Factory set Calibrated Reference Accuracy 0 50 of Natural Full Span including non linearity hysteresis...

Страница 8: ...tion If not contactAir Monitor s Service Department at 1 800 AIRFLOW for further guidance 3 2 LOCATION The standard version of the VELTRON DPT 2500 is a NEMA1 enclosure suitable for most clean indoor locations If additional protection is required mount unit in an enclosure with adequate NEMA rating The industrial version of the VELTRON DPT 2500 is housed in a NEMA 12 enclosure see NEMA ratings for...

Страница 9: ... machine screws The VELTRON DPT 2500 can be mounted in any position provided it is secured using all four mounting holes Reasonable consideration should be given to clearances for pressure and electrical connections Once a suitable location is found use the unit as a template to mark the centers of the four mounting holes Drill four pilot holes at the marked locations With the unit in position ins...

Страница 10: ...he DPT 2500 connects to Static Pressure from the airflow measuring device When connecting the VELTRON DPT 2500 for positive room pressurization connections must be completed as follows High port on the DPT 2500 connects to sensor from monitored room Low port on the DPT 2500 connects to reference sensor When connecting the VELTRON DPT 2500 for negative room pressurization connections must be comple...

Страница 11: ...s to the terminal strip On the industrial version the signal power wires need to be routed through the conduit connection on the bottom side of the enclosure It is recommended that wiring be between 14 awg and 22 awg and no more than two wires should be connected to any one terminal Follow Figure 2 below to connect the Power Signal wires Figure 2 The maximum load resistance that can be driven will...

Страница 12: ...sition 2 To slow the unit s response time remove the jumper and install on the pair of pins labeled 1 0 seconds jumper position 3 The indicated value of time refers to the length of time required for the output and display to fully respond to a 98 of full span step change 3 Operate the unit and observe the output and display Continue to increase or decrease the time value of the filter until the d...

Страница 13: ...mounted in its operating location or at a test bench in a calibration lab If calibrated at a test bench position the unit in the same attitude as in its operating location 5 1 REQUIRED EQUIPMENT Digital Multi meter DMM Manometer capable of measuring to the nearest 0 001 w c Adjustable low pressure regulator such as AMC Low Pressure Air Source or equal Source of clean dry air 5 2 PREPARATION 1 Open...

Страница 14: ...PUTZERO R13onmainboard 8 Place zeroing valve to the Normal position and apply input pressure as read on manometer to the High port of the VELTRON DPT 2500 Adjust pressure according to the following For positive differential pressure spans use the span value as indicated on the label under SPAN For negative differential pressure spans use the positive equivalent of the span value as indicated on th...

Страница 15: ...cuit board as needed 7 Verify the LCD display if so equipped reads the desired minimum process value 001 Adjust as necessary using ZERO R9 on display board See Figure 5 8 Connect DMM set to read to the nearest 0 01 mADC across TP2 OUT red and TP3 OUT orange on the main board DMM should read 4 00 0 01 mADC Adjust as necessary using OUTPUT ZERO R13 on main board 9 Disconnect pressure input from Low ...

Страница 16: ... experience should be used to set frequency of specific types of maintenance 6 1 CLEANLINESS Verify condensation or other sources of liquids are not present inside the VELTRON DPT 2500 6 2 MECHANICAL Verify pressure signal connections are secure Inspect pressure signal lines for any cracks or leaks Verify mounting hardware is secure 6 3 ELECTRICAL Periodically inspect all wiring to the VELTRON DPT...

Страница 17: ...ossible ensure equipment is packaged sufficiently to protect it during shipment CAUTION All damage occurring during transit is the Customer s responsibility List the Return Authorization R A number on the packing list and clearly mark this number on the outside of each shipping container Costs associated with return of equipment to Air Monitor are the customer s responsibility regardless whether t...

Страница 18: ...VELTRON DPT 2500 Air Monitor Corporation 116 045 10 P65 6 99 VELTRON DPT 2500 IO M Manual 13 APPENDIX A APPENDIX A FACTORY SET UP SHEETS FACTORY SET UP SHEETS WERE PROVIDED SEPARATELY ...

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