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Qel QAS-51000, Installation, Operation And Maintenance Manual

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Qel QAS-51000 Installation, Operation And Maintenance Manual Download Page 2

 

 

ii  23050—010-000 Rev A.

QAS-51000 SERIES 

 

 

S/N   

 

__________________________ 

Gas Label   

__________________________ 

Span Set   

__________________________ 

High Alarm Set  __________________________ 

Lo Alarm Set 

__________________________ 

 

SWITCHES 

 

 

 

 

 

 

OFF   

ON 

 

Latching Alarms 

 

 

1. Fail Latching Alarm   

 

 

_____ 

_____ 

 

 

2. Buzzer   

 

 

 

 

_____ 

_____ 

 

 

3. Lo Latching Alarm 

 

 

 

_____ 

_____ 

 

 

4. Hi Latching Alarm 

 

 

 

_____ 

_____ 

 

 

Relay Inversion 

 

 

1. Lo Invert  

 

 

 

 

_____ 

_____ 

 

 

2. High Invert 

 

 

 

 

_____ 

_____ 

 

* Please allow a 24 hour warm-up time period. 

 

 

 

 

 

 

Summary of Contents for QAS-51000

Page 1: ...1000 MONITOR INSTALLATION OPERATION AND MAINTENANCE MANUAL QUATROSENSE ENVIRONMENTAL LTD 5935 OTTAWA STREET PO BOX 749 RICHMOND ONTARIO CANADA K0A 2Z0 PHONE 613 838 4005 FAX 613 838 4018 Web www QELsafety com Email QEL QELsafety com ...

Page 2: ..._ High Alarm Set __________________________ Lo Alarm Set __________________________ SWITCHES OFF ON Latching Alarms 1 Fail Latching Alarm _____ _____ 2 Buzzer _____ _____ 3 Lo Latching Alarm _____ _____ 4 Hi Latching Alarm _____ _____ Relay Inversion 1 Lo Invert _____ _____ 2 High Invert _____ _____ Please allow a 24 hour warm up time period ...

Page 3: ...isplay 2 Changeable Legend Window 2 Membrane Switch Functions 2 Adjustments 2 Set Span 2 Set Alarms 2 INTERNAL FEATURES Relays 3 Audio 3 Power Supply 3 Transmitter Power Supply 3 4 20 mA Signals 3 Fuse 3 Extracting Module From Rack 4 On Board Switches 4 Audio 4 Latching Alarms 4 Decimal Place 6 Relay Inversion 6 QAS 51000 SERIES GAS DETECTION SYSTEMS ...

Page 4: ...E DESCRIPTION PAGE 1 Front Panel Features 1 2 Internal Features and Adjustments 5 3 19 Rack Front View 7 4 Rack Mount Hook Up 7 5 Wall Mount Configuration Up to Eight Channels 8 6 Wall Mount Box 9 7 Wall Mount Configuration Up to Four Channels 10 ...

Page 5: ...digit LED display and 3 DPDT onboard relays with high low and fail alarm levels It will also support 2 wire and 3 wire remote transmitters at 25 to 30 VDC The QAS 51000 is an extremely compact unit based on a 100 mm by 160mm eurocard with a two inch wide front panel Eight controllers will fit in one standard 19 x 5 25 rack Wall mount enclosures are available for 2 4 or up to 8 controllers FRONT PA...

Page 6: ...ding expected when controller receives20 mA signal High Alarm Displays setting of high alarm trip point Low Alarm Displays setting of low alarm trip point Test Injects a signal of approximately 22 mA into the controller to test all alarm features Reset When alarm condition has been removed this will reset latched alarms ADJUSTMENTS Adjustments are made through holes in the front panel using a slot...

Page 7: ...0 has been designed to support any of QEL s line of remote transmitters as well as many other types The power supply for the transmitters has regulated current and the voltage will vary from 24 VDC to 32 VDC depending on the load 4 20 mA SIGNALS QEL two and three wire transmitters all supply 4 to 20 mA linear signals Those users who wish to monitor signals from other equipment may do so using only...

Page 8: ...onger screwed into the rack frame and slide the module out along the card guides Replacement is the reverse of this sliding the module circuit board along the card guide and carefully pressing it into the socket at the back before securing with the screws ON BOARD SWITCHES User switched functions There are three on board switch blocks enabling the user to select certain functions as required The s...

Page 9: ...ITCH CONNECTOR 1 Span 2 High 3 Low 4 Test 5 Reset 6 Common Ground SWITCHES SB1 Latching Alarms and Audio SB2 Decimal Choice Switch 1 Fail Latching Alarms 1 0 00 2 Buzzer 2 00 0 3 Lo Latching Alarms SB3 Relay Inversion Choice Switch 4 Hi Latching Alarms 1 Lo Invert 2 High Invert ...

Page 10: ...monitoring generally should not use more than one decimal place for practicality SB2 1 0 00 SB2 2 00 0 Note If both switches are in the off position then no decimal places are shown 000 RELAY INVERSION For some monitoring applications such as oxygen monitoring one is concerned that the concentration not fall below certain values In these instances switches on switch block 3 invert the alarm trips ...

Page 11: ...7 23050 010 000 Rev A 13 2 13 2 13 2 13 2 13 2 13 2 13 2 13 2 UATROSENSE NVIRONMENTAL TD FIGURE 3 FIGURE 4 19 RACK FRONT VIEW RACK MOUNT HOOK UP ...

Page 12: ...8 23050 010 000 Rev A 13 2 13 2 13 2 13 2 13 2 13 2 13 2 UATROSENSE NVIRONMENTAL TD 13 2 FIGURE 5 WALL MOUNT CONFIGURATION UP TO EIGHT CHANNELS ...

Page 13: ...9 23050 010 000 Rev A REMOVAL OF ACCESS PLATE FOR WIRING FIGURE 6 WALL MOUNT BOX ...

Page 14: ...10 23050 010 000 Rev A 13 2 13 2 13 2 UATROSENSE NVIRONMENTAL TD 13 2 FIGURE 7 WALL MOUNT CONFIGURATION UP TO FOUR CHANNELS ...

Page 15: ...shall be installed by a qualified technician electrician and maintained in strict accordance with data provided for individual systems in the form of installation maintenance manuals QEL assumes no responsibility for improper installation maintenance etc and stresses the importance of reading all manuals QEL shall not be responsible for any liability arising from auxiliary interfaced equipment nor...

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