New Cosmos Electric KS-7D Instruction Manual Download

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Carbon Monoxide Detector

KS-7D

Instruction Manual



Keep this manual for easy reference.



Carefully read this manual prior to use.



This manual describes the standard model. If your unit has end-user-specific

options, this manual will be superseded by your delivery specifications.

Instruction Manual No.

GAE-053-03

June 2019

Summary of Contents for KS-7D

Page 1: ...is manual for easy reference Carefully read this manual prior to use This manual describes the standard model If your unit has end user specific options this manual will be superseded by your delivery specifications Instruction Manual No GAE 053 03 June 2019 ...

Page 2: ... Full Scale and Alarm Set Values Display 15 7 3 4 Peak Value Display and Reset 15 7 3 5 Operation during Gas Alarm 15 7 4 User Mode 16 7 4 1 User Mode Operation 16 7 4 2 Switching Maintenance Mode On Off Mode1 17 7 4 3 Zero Adjustment Mode 2 18 7 4 4 Span Adjustment Mode 3 18 7 4 5 Alarm Test Mode 4 19 7 4 6 Alarm History Mode 5 20 7 4 7 Clock Setting Mode 6 21 7 5 Maker Mode 22 7 5 1 Maker Mode A...

Page 3: ...he gas concentration value on its display If the gas concentration reaches a preset level the unit will produce audio visual alarms and activate relay contacts thus helping prevent serious incidents such as gas poisoning This manual uses Danger Warning Caution and Note symbols to draw attention to procedures materials methods and processes which require particular attention Indicates an imminently...

Page 4: ... The output drop may be seen within one week after installation and usually lasts for one hour before returning to normal If incorrectly stored for an extended period the output drop may last two hours The product s analog output resolution ranges from 250 to 400 contingent on full scale setting Because of the difference in resolution or number of displayed gas concentration digits or connected im...

Page 5: ... Item Qty Description CO detector KS 7D 1 Mounting screw 2 M5x12 with spring washer Wall mounting Cable tie 1 Used to bundle electric cables Pin terminal 9 Crimped to cables and inserted into the terminal block Insulating sleeve 9 To be installed in a crimped pin terminal to provide insulation Instruction manual 1 This manual Inspection certificate 1 Backup battery 1 CR2 lithium battery ...

Page 6: ...values error codes and status icons 6 AL2 alarm light red Flashes red in the event of a 2 nd stage alarm The light will become solid if reset by pressing the RESET button 7 AL1 alarm light orange Flashes orange in the event of a 1st stage alarm The light will become solid if reset by pressing the RESET button 8 Up button During normal operation press to display the highest peak value of gas concen...

Page 7: ...nent Description Function 1 Cover Slide up and lift the cover to access to the main power switch and to wire external cables This cover is normally closed 2 Screw cover Houses one mounting screw and two fastening screws that attach the cover to the unit This cover is normally closed 3 Fastening screw 2 places Located under the screw cover Screws that attach the screw cover to the unit 4 Terminal b...

Page 8: ...o electrical noise Install the detector in a location that ensures easy access for maintenance Install the detector vertically with the sensor on top Proper gas detection is not possible if installed inverted at an angle or horizontally Sensor height should be 75 to 150 cm from the floor unless otherwise required by applicable laws or regulations Install the unit with its gas detection port free f...

Page 9: ...nstall the mounting screw top 3 Loosen the two fastening screws 4 Slightly pull the cover forward 1 Open the screw cover Screw cover 2 Loosely install the mounting screw top 3 Loosen the two fastening screws Cover 4 Pull the cover forward Clearance for cover to slide Cable entry Mounting hole 50 Sensor Mounting hole Dimensions are in mm ...

Page 10: ...ounting screw top 10 Secure the screw cover to the case with the two fastening screws 11 Close the screw cover CAUTION Secure the cover by tightening the two fastening screws Proper gas detection is not possible if the cover is not tightly closed 5 Slide the cover up 6 Tighten the mounting screw bottom 7 Slide the cover down 10 Tighten the two fastening screws Case 9 Tighten the mounting screw 8 P...

Page 11: ...A2 ZA1 TA Remove any power source during wiring work to prevent electric shocks After wiring is completed close the detector s cover to prevent electric shocks WARNING New Cosmos is not responsible for the cost or any damage resulting from controlling external equipment e g interlock by using the carbon monoxide concentration outputs e g analog output alarm relay contact output from this product C...

Page 12: ...xternal output terminal block FFKDSA1 H1 5 08 8 Phoenix Contact 0 2 1 5 1 Wire stripping Strip the wire Recommended stripped wire length 5 5mm 2 Pin terminal installation Insert the stripped wire into a pin terminal until 1mm of stripped wire can be seen from the end of the pin terminal s barrel 3 Terminal crimping Crimp the center of the barrel 4 Insulating sleeve installation Attach an Insulatin...

Page 13: ... a loop To easily bundle the wiring of in coming cables to the terminal block feed these cables thru this loop and secure to the case wall Cable tie Cable entry Insert each pin terminal to its corresponding slot on the terminal block Connection Disconnection While pressing the release button with a precision screwdriver recommended tip thickness 2 6 mm lift the pin terminal Disconnection Connectio...

Page 14: ...ld not be stored in an orientation other than instructed on the package box If incorrectly stored sensor output may temporarily drop when powered even if installed in the correct orientation The output drop may be seen within one week after installation and usually lasts for one hour before returning to normal If incorrectly stored for an extended period the output drop may last two hours When the...

Page 15: ...on starts 6 Perform an alarm test Refer to 7 4 5 Alarm Test Confirm that an alarm activates 7 To turn off the detector press and hold the POWER button for 3 seconds to stop the operation then set the main power switch to the off down position Status indicator LCD POWER button CAUTION Secure the cover by tightening the two fastening screws Proper gas detection is not possible if the cover is not ti...

Page 16: ...oncentration value and information CO concentration value parameter values error codes etc 8 Unit of measurement A unit of gas concentration 9 Clock battery level indicator Clock battery level is low 10 Alarm history icon Alarm history is being accessed 11 Maintenance mode icon Maintenance mode is active 7 3 2 Normal Operation Status During normal operation the green status indicator is fully lit ...

Page 17: ...o alarm sounds There are two options to clear a gas alarm manual resetting and self resetting By default the detector is set to manual resetting mode Please specify the alarm clearance option at the time of order The alarm hysteresis range is 2ppm The alarm will not be cleared until the gas concentration exceeds the alarm set value by more than the hysteresis value E g when the alarm set value is ...

Page 18: ...ment ppm 4 Alarm test AL T 5 Alarm history AL H 6 Clock setting DATE 1 st stage alarm Orange AL1 alarm light flashes and the status indicator sequentially flashes orange Audio alarm beep Fast high and low beep tones ZA1 alarm relay contact is closed 2 nd stage alarm Red AL2 and A1 alarm lights flash and the status indicator sequentially flashes red Audio alarm beep pattern Very fast high and low b...

Page 19: ...eep OFF will flash 3 Press the button one beep ON will flash 4 Press and hold the maintenance button for 3 seconds beep pattern short long short short to confirm the selection The maintenance icon is displayed and 1 and MT will be alternately displayed indicating that the unit is in the Maintenance mode 5 To leave the Maintenance mode take the steps 1 to 4 above to switch the mode from ON to OFF C...

Page 20: ...ng that the zero adjustment is complete 7 4 4 Span Adjustment Mode 3 1 Press the button to select 3 each press of the button is followed by one beep ppm span adjustment concentration and 3 will be alternately displayed Perform a zero adjustment in clean air that is free from target gas or interfering gases Proper gas detection is not possible without a correct zero adjustment CAUTION Mode 3 span a...

Page 21: ...lue ppm will be displayed Note If the RESET button is pressed and held the alarm will not be cancelled and the unit will return to normal operation mode 6 To change the test value repeat steps 3 to 5 7 Press and hold the RESET button for 5 seconds to return to normal operation mode If the unit is in the Maintenance mode the external relay contacts and audio alarm are disabled alarm lights and anal...

Page 22: ...Use the button each press of the button is followed by one beep to select display the desired alarm event from H1 to H10 4 Press the maintenance button one beep AL with history icon and the peak value ppm during alarm of the selected alarm event are alternately displayed 5 Each press of the button cycles through the details of the selected alarm event The sequence is starting year date and time an...

Page 23: ...ernately displayed 3 Select the item to change with the button The item and its currently set value will be displayed When selecting YEAR for example 4 Press the maintenance button one beep The currently set year will be displayed 5 Change the set value by using the button 6 Press and hold the maintenance button for 3 seconds to confirm the change beep pattern short long short short YEAR and the s...

Page 24: ...warning enter the Maker mode Now 775 is flashing 2 Press the button twice two beeps to change the password from 775 to 777 Now 777 is flashing Incorrect settings in the Maker mode may change the detector s specifications Never operate in a way other than as described in this instruction manual Only a selected administrator should have the authority to make changes in the Maker mode Gas detection i...

Page 25: ...is step is not taken it may change the detector s specifications WARNING Use a rounded pin e g precision screwdriver for pressing the maintenance button NOTE Ex Total operating time is 66A8 or 3 years Each press of the button cycles through the details of total operating time The sequence is shown below NOTE Total operating time If the operating time refresh is not successful two beeps are heard a...

Page 26: ...value has been set and AL1 or AL2 will be displayed 7 To change another alarm set value repeat steps 3 to 6 8 To end the procedure press and hold the POWER button for 3 seconds to turn off the unit 9 Press and hold the POWER button for 3 seconds to restart the unit in normal operation mode Check the alarm set values Refer to 7 3 3 Full Scale and Alarm Set Value Display If the alarm set value chang...

Page 27: ...m activation and backlight being off Check items Start up Expansion or relocation Periodic Inspection Daily check Monthly Annually 1 Concentration display V V V 2 Backup battery level V V V 1 V 3 Alarm test V V V 4 Zero adjustment 2 V V V 5 Span adjustment gas calibration V 6 Sensor replacement V 3 Every 3 years Important Notice for Maintenance In order to ensure the reliability of the gas detecto...

Page 28: ...tector If the detector s external relay contacts are used to activate external devices interlocks etc notify the people concerned then release the interlocks of the external devices as needed in order to prevent a possible activation of the external relay contacts CAUTION Contact your New Cosmos representative for span adjustment or sensor replacement fees apply Proper gas detection is not possibl...

Page 29: ...urn off the main power by setting the main power switch to the off down position 7 Pull and detach the cover from the case by holding Part C 2 places each side of the cover CAUTION Use a CR2 lithium battery cylindrical type for backup battery Use a CR2032 lithium battery coin type for clock battery 2 3 1 4 Part A 2PL 5 O N O FF 6 Part B 2PL CAUTION Cover and case are connected with a connector cab...

Page 30: ... up position 12 Reverse step 5 By holding Part A 2 places each side of the cover match the middle alignment markings on Part A and the alignment markings on part B slide down and close the cover 13 Press up and open the screw cover Tighten the two fastening screws 14 Close the screw cover Part D Top of the case Part E Top of the case 8 Hang Backup battery 9 Replace backup clock battery Engaged Clo...

Page 31: ...de to OFF 7 4 2 Switching Maintenance Mode On Off No audio alarm Product is in Maintenance mode Switch the Maintenance mode to OFF 7 4 2 Switching Maintenance Mode On Off Incorrect alarm set value Check the alarm set value 7 3 3 Full Scale and Alarm Set Value Display Non audio unit selected at time of order Consult your New Cosmos representative Alarm relay contacts do not activate Product is in M...

Page 32: ...s than 0 9mA Sensor Error If E S3 may be displayed within a week after installation then the unit will automatically return to normal after approx one hour If the unit fails to return to normal contact your New Cosmos representative for repair 2 General Precautions E B displayed on LCD Audio alarm sounds Backup battery is empty Replace the backup battery with a new one Pressing the RESET button ca...

Page 33: ...analog output 2 4 20mADC common negative with power supply Current sensing resistor must be 300Ω or less including a wiring resistance Gas alarm relay contacts in two stages Dry normally open contacts selectable to manual resetting or self resetting at time of order Max load 0 5A at 125VAC or 2A at 30VDC resistance load Fault alarm relay contact Dry normally open contact self resetting Max load 0 ...

Page 34: ...rthquake storm and flood lightning extreme climate abnormal power supply voltage excessive electromagnetic interferences or other acts of God 3 Failures and damages resulting from repair and or modification by non New Cosmos certified technicians 4 Consumables and failures and damages resulting from improper consumable replacement 5 Other failures and damages not attributable to the manufacturer 1...

Page 35: ...ons move to the counter electrolyte through the external wiring At that point the consumed anions in the electrolyte at the working electrode are replenished and move to the electrolyte by the reaction of CO2 water and electrons as shown in equation 2 The total reaction is expressed as shown in equation 3 Measuring the current generated here allows determining the concentration of CO gas CO 2OH CO...

Page 36: ... and humidity ranges in which the gas detection and alarm system can operate normally Maintenance and inspection Tasks performed to ensure that equipment operates normally and correctly Self resetting Gas alarm clearance method When the gas concentration falls below or above when the alarm set value is the lower limit the gas alarm set value after an alarm has been signaled relevant alarm lights g...

Page 37: ...cates separate collection of waste electrical and electronic equipment in the EU countries This product contain two Lithium batteries Specific battery information is given in this instruction manual Batteries must be recycled or disposed of properly At the end of its life this product must undergo separate collection and recycling from general or household waste Please use the return and collectio...

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Page 40: ...18 2 GAE 053 03 June 2019 3 Additional copies of this instruction manual may be purchased Contact New Cosmos or its authorized representative for ordering Authorized representative Manufacturer NEW COSMOS ELECTRIC CO LTD 2 5 4 Mitsuya naka Yodogawa ku Osaka 532 0036 Japan URL http www newcosmos global com ...

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