Armstrong Monitoring AMC-1222 Instructions Manual Download Page 1

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1222

CO/NO

Multidrop

INSTRUCTIONS

Installation and Operation of the

AMC-1222 Dual Electrochemical Sensor

Module with Comfort Zone

IMPORTANT:

Please read these installation and operating instructions completely
and carefully before starting.

File name:3571405A

The Armstrong Monitoring Corporation

215 Colonnade Road South, Ottawa, Ontario, Canada K2E 7K3

Tel: (613) 225-9531 • Fax: (613) 225-6965 • Canada & U.S. Toll Free: (800) 465-5777

E-mail: [email protected] • Internet: www.armstrongmonitoring.com

Summary of Contents for AMC-1222

Page 1: ...ese installation and operating instructions completely and carefully before starting File name 3571405A Copyright Aug 2018 The Armstrong Monitoring Corporation 215 Colonnade Road South Ottawa Ontario...

Page 2: ...ON 15 5 1 1 LOW AND HIGH ALARM CONDITIONS 15 5 1 2 COMFORT ZONE 15 5 2 CALIBRATION 16 5 2 1 Zero Adjustment CO 16 5 2 2 Span Adjustment for CO 100 PPM AMC1222 1 and 2 variants 16 5 2 3 Span Adjustment...

Page 3: ...AMC 1222 CO NO2 Multidrop 2 NOTE This page intentionally left blank...

Page 4: ...r the installation and operation of this equipment AMC shall have no liability for labour or freight costs or any other costs or charges in excess of the amount of the invoice for the products THIS WA...

Page 5: ...AMC 1222 CO NO2 Multidrop 4 2 PRODUCT INFORMATION Figure 2 1 AMC 1222 Sensor Module...

Page 6: ...r Supply Requirement 12 to 24 VDC Operating Temperature 20 to 40 C Operating Pressure Ambient atmospheric pressure Relative Humidity 10 to 95 RH non condensing 2 2 Factory Calibration AMC1222 1 2 vari...

Page 7: ...A Variant AMC1222 3 is configured for 25ppm CO Low Alarm Setting and 75ppm CO High Alarm Setting Note All Armstrong Monitoring systems must be installed and maintained according to instructions to en...

Page 8: ...erminal blocks as listed and described below 1 CO SENSOR Electrochemical cell factory calibrated 2 NO2 SENSOR Electrochemical cell factory calibrated 3 CO LOW HIGH ALARM INDICATOR Low conditions of CO...

Page 9: ...NT Sets the sensitivity of the CO sensor 8 B NO2 SPAN SIGNAL ADJUSTMENT Sets the sensitivity of the NO2 sensor 8 C NO2 ZERO SIGNAL ADJUSTMENT Sets the zero NO2 signal 8 D CO ZERO SIGNAL ADJUSTMENT Set...

Page 10: ...l CO Sensor NO2 Sensor Electrochemical NO2 Alarm LED CO Alarm LED Reset Test Header COM Test Point ICSP CO Test Point NO2 Test Point Jumper setting for I Jumper setting for V JP1 Input Output Comfort...

Page 11: ...unt housing using defines mounting holes See Figure 4 1 or Figure 4 2 3 Drill holes for conduit and then install conduit See Warning below 4 Reattach cover and bracket Warning Conduit should enter the...

Page 12: ...AMC 1222 CO NO2 Multidrop 11 Figure 4 1 Transmitter Mounting Dimensions...

Page 13: ...AMC 1222 CO NO2 Multidrop 12 Figure 4 2 Pole Mount...

Page 14: ...onitor and with eight 8 modules a maximum length of 150 feet of 18 AWG size cable is allowed between each module as well as between the monitor and first module For other distances or cable sizes cons...

Page 15: ...drop 14 s s INPUT s s OUTPUT MONITOR Up to 8 1222s can be Daisy chained Max 150ft 18AWG wire between each module To next Module _ S Figure 4 3 Detail wiring of Sensor Modules Figure 4 4 Typical System...

Page 16: ...in Current or Voltage Mode Operation condition Voltage Mode Current Mode Fail 0 VDC 0 mA Normal 1 VDC 4 mA Low Alarm 2 VDC 8 mA High Alarm 3 VDC 12 mA 5 1 1 LOW AND HIGH ALARM CONDITIONS If any gas e...

Page 17: ...r CO and NO2 Calibration Adapters Zero Span gases and regulator Contact factory for information 5 2 1 ZERO ADJUSTMENT CO Step 1 Remove cover Step 2 Power unit from 12 24VDC Supply Ensure green power L...

Page 18: ...ep 9 After the signal reading has stabilized approx 3 min adjust Span potentiometer to 2 00VDC 75 Span gas concentration i e if using 25 ppm CO 2 00VDC 75 25 0 6667VDC Step 10 If Signal 7VDC verify CO...

Page 19: ...JP2 see section 3 1 1 item 12 Mode A is normal mode Mode B allows the AMC 1222 to measure only half of the calibration gas This is useful as 2 5 or 3ppm calibration gas is not common to purchase but 5...

Page 20: ...AMC 1222 CO NO2 Multidrop 19 Figure 5 2 Calibration Procedure for 1222 NO2...

Page 21: ...alibration should be done at least once every 6 months for safety reasons and for highly demanding applications monthly verification is recommended 5 5 SENSOR REPLACEMENT The sensor should be replaced...

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