VAF36 / VAF32 user manual
Contents
1. of current flowing through the load The rated input current of the unit is nominal 5A The Bar graph shows up to 150 of rated input current Keys Description ie Functions Key press To scroll through the 1 pages in forward OEA to next pages direction To scroll through the 2 pages in reverse ear panus direction To toggle between C A M for three auto manual scrolling second PRG A M for three second A Increase Y Decrease To enter in configuration mode To increase and 5 decrease the CT Primary value 1 Continuous pressing PRG OAM e programming for three second initiates mode EN 2 To configure CT primary Default setting CT Primary Ct Press Range 5 to 1000 A Display shows When CT is 1000 j Continuous operation of makes update speed faster in 3 stage after 7 seconds In CT ratio programming for value up to 100 value changes in step of 1 and for value greater than 100 value changes in steps of 5 1 Press A PRG A M Key for 3 seconds to exit programming mode 2 The unit will auto exit programming mode if no key pressed for 60 sec Display Parameter Page Description There are two methods to scroll through the different parameter pages on the display 1 Auto mode 2 Manual mode Auto mode In auto mode it allows you to monitor all pages sequentially after 5 s2. l hl T Display shows line to line voltage VL L i 1 Vi Va 4 2 5 Le 50 ols 1 2 Vog Vie 5 5i e 100 1 3 Vor Vas 6 6 25 i e 125 i Press to go in to next page line Stay ee is I N i Lep __ Yri hab E 10 al is gt w vs l H i F A Milis Fi 7 s1 tel Lp Display shows 1 Average Voltage V 4 l 2 5 i e 50 2 Average Current 5 5 i e 100 3 Frequency 6 6 25 i e 125 Digits1 2 amp 3 within the doted circle blink Rate 1 7 sec ON 0 3 sec OFF showing line voltage parameters Specifications subject to change as development is a continuous process Selec Controls Pvt Ltd India Tel 91 22 28476443 Fax 91 22 28471733 Toll free 1800 227353 Website www selecindia com CT primary set at 5 E mail sales selecindia com Press Q to go in to first page rw ro a DA Document name Operating 0801 VAF32 OP 224 Page 3 of 3
3. not handled in a manner specified by the manufacturer it might impair the protection provided by the equipment A CAUTION Read complete instruction prior to installation and operation of the unit A CAUTION Risk of electric shock WIRING GUIDELINES A CAUTION 1 To prevent the risk of electric shock power supply to the equipment must be kept OFF while doing the wiring arrangement 2 Wiring shall be done strictly according to the terminal layout Confirm that all connections are correct 3 Use lugged terminals 4 To eliminate electromagnetic interference use of wires with adequate ratings and twists of the same in equal size shall be made 5 Cable used for connection to power source must have across section of 1 5mm These wires shall have Current carrying capacity of 5A MAINTENANCE 1 The equipment should be cleaned regularly to avoid blockage of ventilating parts 2 Clean the equipment with a clean soft cloth Do not use Isopropyl alcohol or any other cleaning agent INSTALLATION GUIDELINES A CAUTION 1 This equipment being built in type normally becomes a part of main control panel and in such case the terminals do not remain accessible to the and user after installation and internal wiring 2 Conductors must not come in contact with the internal circuitry of the equipment or else it may lead to a safety hazard that may in turn endanger life or cause electrical shock to the operator A CA
4. OPERATING INSTRUCTIONS VAF32 96 x 96 FEATURES e Display 3 line 3 digits per line e Bar graph for current indication e Auto manual page scrolling e Programable CT primary current e Accuracy class 1 SPECIFICATIONS Display Liquid crystal display 3 line 3 digit per line to show all parameters Bar graph for current indication Display update time 2 Sec Electrical input type 3 phase 4 wire and single phase Rated input voltage Line to neutral 150 to 270 VAC max Rated input current Nominal 5 A max Frequency range 50 60 Hz 5 L CT Current Programmable from 5 to 1000 A Burden 0 2 VA Max per phase Resolution 0 01 0 1 1 Depends on CT ratio Parameter measured Parameters Phase Unit Voltage Visis Vii V Vavg uy Vavg u Current lo bas ls lavg l Frequency Hz Hz Accuracy Table Measurement Accuracy in Line to neutral voltage Vn 1 Line to line voltage V_ 1 Average voltage Vy amp Vi 1 Phase current 2 Average current la 2 Frequency 1 Temperature Operating 0 to 50 C Storage 20 to 75 C Humidity 85 non condensing Mounting Panel mounting Weight 180 gms SAFETY SUMMARY All safety related codifications symbols and instructions that appear in this operating manual or on the equipment must be strictly followed to ensure the safety of the operating personnel as well as the instrument If the equipment is
5. UTION 1 The equipment shall not be installed in environmental Conditions other than those mentioned in this manual 2 Thermal dissipation of equipment is met through Ventilation holes provided on chassis of equipment Such ventilation holes shall not be obstructed else it can lead to a safety hazard 3 Connectors screws must be tightened after Installation MECHANICAL INSTALLATION For installing the meter follow the instructions given below 1 Prepare the panel cutout with proper dimensions as shown below OVERALL DIMENSIONS All dimensions in mm ODE i Fa elel elelee 2 Push the meter into the panel cutout Secure the meter in its place by pushing the clamp on the rear side The screws of the pane of the clamp must be in the farthest forward slot 3 For proper sealing tighten the screws evenly with required torque ACAUTION The equipment in its installed state must not come in close proximity to any heating sources caustic vapors oils steam or other unwanted process by products EMC Guidelines 1 Use proper input power cables with shortest connections 2 Layout of connecting cables shall be away from any internal EMI source Document name Operating 0801 VAF32 OP 224 Page 1 of 3 TERMINAL CONNECTIONS VAF 32 cT1 CT2 CT3 S1 2 S1 S2 S1 S2 O OJO O o lt DzZz Bar Graph Indication In VAF 32 the bar graph shows the percentage
6. econds without any key press Each page contains 3 parameters The parameter pages are shown below NOTE By default the unit works in auto mode Manual mode In manual mode using the keys different parameter pages can be viewed In the manual mode the displayed page is seen until you manually change the page This is described below When meter turns to manual mode display shows AAA momentarily When meter turns to auto mode display shows omentarily Display shows line to neutral voltage Vy 1 Vin Van 2 Van Vin 5 l 5 i e 100 Von Van T 4 2 5 i e 50 3 Van Van 6 6 25 i e 125 CT primary set at 5 Press e A to go in to next page 1 A1 4 l 2 5 i e 50 2 A2 5 l 5 i e 100 3 A3 6 6 25 i e 125 CT primary set at 5 Press A to go in to next page Display shows 1 Average voltage V n 2 Average Current 3 Frequency CT primary set at 5 Press A to go in to next page Document name Operating 0801 VAF32 OP 224 Page 2 of 3 PAGE DESCRIPTION CONTINUED Digits1 2 amp 3 within the doted circle blink Rate 1 7 sec ON 0 3 sec OFF showing line voltage parameters CT primary set at 5 SINGLE PHASE WIRING DIAGRAM WIRING DIAGRAM 3 PHASE 4 WIRE WIRING DIAGRAM Yay Ava f vi t
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