Gas Detection GD 2400 Operating Manual Download | Manualshive

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Summary of Contents for GD 2400

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Page 2: ...ent rights or the rights of others WARNINGS CAUTIONS AND NOTES Warnings identify an operating or maintenance procedure practice condition or statement that if not strictly followed could result in dea...

Page 3: ...senor 2 Max of sensor 1 sensor 2 same range for sensor 1 2 This is the highest reading from either sensor available as an o p Min of sensor 1 sensor 2 same range for sensor 1 2 This is the lowest rea...

Page 4: ...ltage o ps need an external resistor which will be provided if this option is required This resistor MUST be fitted at the equipment end of the line NOT at the o p on the 4020 NORMAL OPERATION In norm...

Page 5: ...OR SIMILAR TO THE GD690 In systems that are using the 4 20mA to drive VSD s it is highly recommended that the unit is fitted with a galvanic isolator type GD690 This prevents noise from the VSD enteri...

Page 6: ...from heavy electrical loads or equipment that emits high levels of RFI 4 The sensors must be connected to the instrument in accordance with drawings in the manual Check all wiring before connecting ma...

Page 7: ...OUT PU TS P R2 P R3 P R1 P R4 P R5 P R6 P F WH IT E WIRE 3K 3 PS U BA TT 24V DC OUTPUT 4 20mA I N PUT GND 24V DC OUTPUT 4 20mA I N PUT GND CO M NC N O CO M NC N O CO M NC N O CO M NC N O CO M NC N O...

Page 8: ...E D CO M MO N 4020 CONTRO L UNIT SENSOR 1 SENSOR 2 FAULT RELAY S E N S O R 1 A L A R M R E LA Y S A L A R M R E LA Y S N O T U S E D RS485 4 20m A OR 0 10 V O PS ALARM 1 ALARM 2 ALARM 3 FUSE A UX O P...

Page 9: ...L AS SHOWN FOR SENSOR 1 IN CH 1 LINK TO BE IN POSITION SHOWN FOR ALL LOOP POWERED 2500 SERIES TOXIC AND OXYGEN SENSORS LINKS TO BE OUT TO DISABLE UNUSED CHANNELS THIS DIAGRAM SHOWS A FOUR SENSOR SYSTE...

Page 10: ...NC N O CO M NC N O CO M NC N O 25 00 S ER IES TOXIC A N D OXY GEN SE N SOR S C ON N EC T S EN S OR S 2 3 4 TO CH I P S 2 3 4 U S IN G S A M E WIRIN G D ET AIL A S S HOWN FOR S E NS OR 1 IN C H 1 M A I...

Page 11: ...screen is divided into 4 lines The bottom line relates to the button underneath the display or if using a keypad the button position on the key pad The following parameters are programmable by the us...

Page 12: ...e output pins The above functions are set up on the Outputs menu see page 16 To enter the menu system power down the 4020 control board hold in the two middle buttons and then power up the control boa...

Page 13: ...t CHAN 1 Location CHAN 1 Exit set Press nxt to turn channel OFF CHAN 1 Location CHAN 1 BS dec inc Ent BS Back Space dec Decrement alpha numeric character inc Increment alpha numeric character Ent Ente...

Page 14: ...Flammable H2S Hydrogen sulphide H2S NH3 Ammonia NH3 NO2 Nitrogen dioxide NO2 Gas Gas R22 R22 Refrigerant R123 R123 Refrigerant R134 R134a Refrigerant R407c R407c Refrigerant R410 R410a Refrigerant Re...

Page 15: ...CHAN 1 Units ppm Exit nxt CHAN 1 Units vol Exit nxt CHAN 1 Units LEL Exit nxt CHAN 1 Status Value Exit nxt CHAN 1 Status OK Exit nxt CHAN 1 Range 200 ppm Exit set Press to select Status Press nxt to c...

Page 16: ...nt CHAN 1 Alarm lvl 1 15_ppm Canc dec inc Ent CHAN 1 Alarm lvl 3 60_ppm Canc dec inc Ent Canc Cancels edit dec Decrease value hold to decrease x10 inc Increase value hold to increase x10 Ent Saves val...

Page 17: ...Saves value exits edit Press to select Sign Press set to edit Hysteresis Press to select Sign Press nxt to select Sign Falling Press nxt to select Sign Rising CHAN 1 Latch Alarm NO Exit nxt CHAN 1 La...

Page 18: ...rease x10 inc Increase value hold to increase x10 Ent Saves value exits edit Press to return to select Channel 1 On Off Press set to edit Alarm Relay On Time Press Ent to edit Channel 2 Follows CHAN 1...

Page 19: ...ch as VSD inputs or inputs into other BMS systems Select Output 1 2 or 3 Set Outputs Exit Ent Enter Setup Run Ent Set Inputs Exit Ent Press Ent to enter Setup menu Press Ent to enter Output Setup menu...

Page 20: ...xt Press to select Mode of Output No 1 Press nxt to select Voltage Output Press nxt to select Current Output Press to select Mode of Output No 1 Output No 1 Mode Chan Out In Exit nxt Output No 1 Mode...

Page 21: ...period 0 min Exit Set Output No 1 high level 0_ppm Canc dec inc Ent Output No 1 update period 0_min Canc dec inc Ent Press to select Scaled Chan 1 High Level Canc Cancels edit dec Decrease value hold...

Page 22: ...P1 YES NO YES YES YES YES OP2 NO YES YES YES YES YES OP3 NO NO YES YES YES YES Output No 1 cur volts out CURRENT Exit nxt Set Outputs Exit Ent Enter Setup Run Ent Output No 1 Exit Ent Output No 2 Exit...

Page 23: ...ill show only the alarming channel until acknowledge ACK is pressed SENSOR FAULT ON SENSOR SENSOR CO 0 ppm SYSTEM GAS OK SYSTEM FAULT ON SENSOR Screens flash alternatively once every 4 seconds Screens...

Page 24: ...erate until delay has expired Enter input routine to check see program set up Voltage o p not working 0 10v Check that the o p is ON see menu outputs Check it is set to VOLTS see menu outputs Check th...

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