DRP User manual
Contents
1. dEL1 k After set press ENT the screen goes to ScL Relay no action within range of minor current fluctuation Example Say set ScL at 0 09 when starting current is greater than 0 09 A DRP D will then function If set ScL at 0 then ScL will function nil l After set press ENT The screen goes to Scd No action duration under ScL Example starting current last about 3 seconds is usually 3 to 4 times over normal amperage Say set Scd at 1 second then immediately after motor start it will trip off instantly If set Scd at 5 to 10 seconds the surging current won t stop motor from running during the first 5 to 10 seconds C Test Run a Start the pump and write down the amperage value b Shut off the pump outlet and check 1f the pump will stop after the dEL2 time If yes the protector is under good function c Then open the valve again the pump should restore normal function D Trouble shooting a When you follow the steps to test but the protector doesn t run There is wrong setting for AL I or AL 2 That can be told by pressing P1 or P2 Please re set b Pump can t start to run Check if the lamp of OUTI or OUT is on if yes press RSI or RS to rectify c The screen doesn t show figure If the power is on and the voltage is correct please notify us to inspect DRP CIRCUIT LAYOUT 110 220 380 440V or others2. R S T 552 CONDITION 1 5ampandup e gt DRP CT 4 O L POWER FOR DRP 13 ie DRP 220V DRP 110V 14 14 CO ae OVERLOAD W O L RELAY on off off DRP CONDITION 2 upto 3 amp DRP 4C Iw To 1s df llc on 2 mon Buzzler Red Light Remarks There is a small CT insida AP d the DRP which can withstand upto 5 amp 2 CT Current Transform eg 3 MC Magnetic Contractor
3. for stage 1 alarm AL 1 Press AW toset AL 1 from 0 to 99 9 y ENT Press ENT for stage 1 relay activation Actl Press AW toset Actl at Hi value SOS ENT Press ENT for stage 1 relay deferred activation i dELI Press AW toset dELI1 from 0 0 to 99 9 lt lt N Press ENT for stage 2 alarm ey gt s Press AW toset AL 2 from 0 0 to 99 9 ey ALE N Act2 Press A V to set Press ENT for stage 2 relay activation Act2 at Lo value ENT Press ENT for stage 2 relay deferred activation dEL2 Press AV to set Je dEL2 from 0 0 to 99 9 Press ENT for relay no action within range of minor current ENT Fluctuation ScL Press AV to set N LT Scd Press A V to set 4 Preview the settings ON Power on J Normal display Pl Press pl to view AL 1 1 Show the value of AL 1 Press ENT for stage relay deferred activation dELI Show dEL value Press ENT to go back to normal display Z Orie E REMARK from 0 0 to 0 9 Press ENT for Duration under ScL from 0 0 to 99 9 Press ENT to complete the setting ON Power on A x M rie X Value display Ez 2 Press p2 to view AL 2 2 Show the value of AL 2 Press ENT for stage relay deferred activation dEL2 Show dEL2 value Press ENT to go
4. H is set at 30 then it displays 12A set dp at 0 0 e After set press ENT the screen goes to AL 1 The first alarm value Generally the value is set according to motor s overload current Example 1 1 HP motor 220V the over load current is 2 9A AL 1 can set at 2 9A 2 If a CT is installed with ratio 30 5 for overload current 12A dSPH is set at 5 Then AL 1 can set at 2 A 12 30 x 5 x 2A If dSPH is set at 30 then AL 1 can set at 12 A 12 30 x 30 x 12A f After set press ENT the screen goes to Actl The first activate value for relay Set Act at Hi g After set press ENT the screen goes to dEL1 The first delayed time for relay The time can set from 0 0 to 99 9 seconds Say Act 1 set at 10 seconds If current exceeds the value of AL 1 the relay will only activate when current is overload for over 10 seconds h After set press ENT the screen goes to AL 2 The second alarm value Example Shut off outlet valve when pump is under normal running the current will drop to a value B Then AL 2 can set at B 0 5 A Say a 1 HP pump operates at 2 2 The current drop to 1 2 A when outlet was shut off Then AL 2 can set at 1 7 A 1 After set press ENT the screen goes to Act 2 The second activate value for relay Set Act 2 at Lo j After set press ENT the screen goes to dEL2 The second delayed time for relay The setting is the same as
5. Operation Manual for Pump Overload amp Dry Run Protector For Value Setting Output Indicator For Value Display Em CDHG G AD es E 1106 3 2 1 A A Section 1 Preview Reset Section 2 Preview For Scroll Up or Down Values For Function Selection A H ovE over value dp decimal point Ave Average readings per second dSPH the highest value Actl amp Act2 Set Actl at Hi and Act2 at Lo Hi Upper current limit Lo Lower current limit AL 1 amp AL 2 Set AL 1 at Hi and AL 2 at Lo dELI amp dEL2 Set dELL at Hi and dEL2 at Lo ScL relay no action under minor current from 0 9 Scd relay no action duration under ScL from 0 0 to 99 9 second Terminal connection XM OUTPUT 2 4 OUTPUT 1 220V 110V AC POWER INPUT OV 3 Parameter Setting Power on l PV X 0 SV X 0 Normal display LT Zen E Press ENT for 3 seconds go for secret code setting codE PressA V key to set code number 501 d ENT Press ENT for decimal point setting Press AWkey to set dp 0 or 0 0 or 0 00 say set at 0 0 for example s ENT Press ENT for Average readings per second Avg Press AWkey to set Avg from 1 to 9 T1 N a Press ENT for the highest value dSPH PressA W key toset dSPH from 0 to 99 9 ENT Press ENT
6. back to normal display 3 B Under preview setting any setting over 20 seconds the setting will be resumed to the normal display Under parameter setting any setting over 5 seconds the setting will be resumed to the normal display Operation Manual for Pump Overload amp Dry Run Protector A Wiring The DRP D warning system can be individually used or functioned by connecting the device to a buzzer or a light Refer to DRP Wiring Layout B Setting Steps a Press ENT enter for 3 seconds the screen will show codE then key pass number 501 from the three UP and DOWN buttons and Press ENT b The screen will show dp decimal point Set type of decimal either 0 0 0 or 0 00 by pressing either UP or Down button After set press ENT c The screen goes to the setting for Avg average reading under number of readings per second After set press ENT Example If you want to get The average value of 5 subsequent readings then the Avg should set at 5 It shows the average current of every 5 subsequent readings d After set press ENT the screen goes to dSPH the highest value of current A CT is needed when a motor is running with the current over 5 amperage Example 1 Say operating current is 2 5A dSPH is set at 5 then it displays 2 5A 2 Say operating current is 12 A and a CT with ratio 30 5 is installed If dSPH is set at 5 then it displays 2A dSP
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