Operating Instructions for ZHRV2
Contents
1. 187V M240 OFF Under voltage 0 1 20s 0 1s 2s delay time ratio Press to change the set values and long press this key to accelerate the minus or plus When setting the parameters the relay would automatically exit the menu if the key is not pressed for 60 consecutive seconds Operating Instructions for ZHRV2 S LCD Voltage Relay After over voltage protection under voltage protection or Over voltage and under voltage function diagram unbalance protection is turned off the menu would not display i i j Over voltage threshold i operation time setting process wale TENTARE Lag value Lag value LCD block Block code interpretation Under voltage threshold code L1 L2 L3 3 L1 L2 L3 N T L1 L2 Li L2 phase other phases switched through AE keys NORMAL Normal indication this block code flashes in case of start and reset delay Unbalance protection function diagram FAULT Fault indication output relay NO disconnected Menu setting indication Unbalance ratio Lag ratio Over voltage fault indication or over voltage 0 i parameter setting indication l i I e l U lt Under voltage fault indication or under voltage 14 la Tr dk parameter setting indication 11 ee 12 PHS SEQ Phase sequence fault indication or phase sequence parameter setting indication Tr Start and reset delay time PHS FAILS Phase failure fault indication To Over voltage delay time Tu Under voltage delay time Unbalance2. Operating Instructions for ZHRV2 S LCD Voltage Relay O Function Features ear 9 17205 0 Built in high performance micro controller with high reliability and praca ON OFF ON strong resistance to interference sequence Voltage value and fault message displayed through LCD protection Protection against over voltage under voltage phase failure Start reset 0 3 30s 01s unbalance and phase sequence is available Se le Protection parameters are set through keys and the protection ON OFF ON function can be turned on and off freely or Note ON means activating protection function and OFF means True RMS value measurement voltage measurement accuracy anes lt 1 inactivating protection function Measurement frequency 45Hz 65Hz O Operating Instructions Three phase voltage value query through keys Operation settings are made according to operating instructions for Testing and manual reset can be conducted through keys ZHRV2 S M415relay The setting process of ZHRV2 S M240 relay is Three phase four wire system features N phase failure the same with that of ZHRV2 S M but the displayed set values are protection different O Model and Connotation Parameter setting Le Press and hold down key MD for 3 seconds to get into parameter ZHRV2 O setting interface Rated supply voltage code M240 M415 M240 220 230 240VAC three phase four wire system M415 380 400 415VAC three phase three wi
3. fault indication or unbalance Ta Unbalance delay time parameter setting indication C Overall Dimensions zz bac LEMAA ball Press key T R for 0 5 second to test relay operation e This key would be valid only under normal conditions of power supply e Other keys are invalid when testing the functions Three phase voltage query Press key MD to inquire three phase voltage O Wiring Diagram Wiring diagram of a three Wiring diagram of a three phase three wire system phase four wire system L1 L2 L3 N L1 L2 L3 O Function Sequence Diagram automatic reset mode Phase failure and sequence function diagram Phase sequence protection Phase failure protection Ng Ta
4. re system LCD Display ZHRV2 Series Voltage Relay O Main Technical Parameters Over voltage a 7 Rated supply voltage M415 AC200V 500V all pply voltag io fe of F 3o iSi M240 AC125V 300V Rated supply frequency 50 60Hz Fixed lag value M415 6V Over voltage time setting M240 5V ri Phase failure phase lt 0 2s ne i cU sequence Voltage measurement error lt 1 the entire setting range l f _ Under voltage setting Time delay error 10 0 1s p a a i i Measurement accuracy 1 true RMS value measurement Sas cou 3 E oF F Rated insulation voltage 415V 3 Under voltage time setting Type and maximum rating of RT36 00 5A short circuit protector Ca p Pn Protection grade IP20 Pollution class 3 l A Fecri life 10 l Phase sequence setting Mechanical life 10 OD sa Height above sea level lt 2000m z aes oF F Operating temperature 5 C 40 C Unbalance ratio setting g of F 5 00 Permissible relative humidity lt 50 40 C without condensation Storage temperature 25 C 55 C up to 70 C within a a short period of time 24h t Contact parameters Ith 5A AC 15 AC240V 1 5A Unbalance operation time setting AC415V 0 95A ied parameters default Over voltage operation value OFFa21V 300 IV 258V W20 Over voltage 0 1 20s 0 1s 2S delay time Under voltage 260V 379V 1V 323V M415 Start and reset time setting of F 03 30 operation value OFF 150V 219V 1V
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