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AM-5175

 

 

ENMET Corporation 

9 

 

 

5.0 Maintenance 

The 

AM-5175

 maintenance menus are accessed by pressing the 

M

ENU

 

button and

 

S

ELECT

 button as described in the 

maintenance menu section. 

5.1 Maintenance Menus 

C

AUTION

:

 Do Not Attempt A Span Procedure Without Calibration Gas Applied to The Sensor; if this is done, the instrument is 

forced into a calibration fault mode. 

Pushbutton switches control the

 

M

ENU

 and 

S

ELECT 

functions.  The 

M

ENU

 and 

S

ELECT

 button locations are indicated on the 

display panel, see Figure 1.  The 

M

ENU

 button is used to display the various menu options and make incremental changes to 

numbers such as alarm points, calibrations gas, etc.  The 

S

ELECT

 button is used to select that option, set zero or span digit. 

To enter the maintenance menu press and hold the 

M

ENU

 button for 2 to 4 seconds 

Table 2 indicates the maintenance menu sequence see Figure 6 for a detailed maintenance menu flow chart. 

N

OTE

:

 Software revision may cause variations of display output. 

Table 2: AM-5175 Maintenance Menus Sequence 

Example of Display 

Function 

 

 

Normal Display Mode 

Measurement of CO 
 

Press and hold the 

M

ENU

 button for 2 – 4 seconds to enter the Maintenance Menu 

The Power/Fault LED will flash Green – Red to indicate the 

AM-5175

 is in Maintenance Mode 

 

To exit the maintenance Menu and return to the 
Normal Display Mode: 

If intended function Press 

S

ELECT

 button 

Press the 

M

ENU

 button to advance to the Zero procedure 

Not Present for Oxygen Units 

 

For adjusting Zero: 

If intended function Press 

S

ELECT

 button 

Press the 

M

ENU

 button to advance to the Span procedure 

 

For adjusting the Span: 
If intended function Press 

S

ELECT

 button 

 

Press the 

M

ENU

 button to advance to each Alarm set point procedures 

 

For adjusting the Alarm 1, 2 and 3 set points: 
If Intended function Press 

S

ELECT

 button 

 

Press the 

M

ENU

 button to advance the mA Span set point procedure 

 

For adjusting the mA Span set point: 
If intended function Press 

S

ELECT

 button 

 

Pressing the 

M

ENU

 button without pressing the 

S

ELECT

 button will allow you to cycle through the menu options. 

You must Press the 

S

ELECT

 button in order to initiate the desired operation. 

 

5ppm 

Exit 

Zero 

Span 

mA Span 

Alarm1 

Alarm2 

Alarm3 

Summary of Contents for AM-5175

Page 1: ...ENMET Corporation PO Box 979 Ann Arbor MI 48106 0979 www enmet com Manual part number 80003 551 MCN 14 003 03 20 14 AM 5175 Ambient Air Monitor Manual...

Page 2: ...Sensor Replacement 15 5 3 1 A Factory calibration must be performed 15 6 0 Accessory and Replacement Parts 16 7 0 Technical Data and Specifications 16 8 0 WARRANTY 17 List of Tables Table 1 Relay Fai...

Page 3: ...tems packing material and carton As Is Within 5 days of receipt notify the carrier s local office and request immediate inspection of the carton and the contents After the inspection and after you hav...

Page 4: ...information is displayed Audio Alarm Horn Audio alarm 105 dB at 30cm 12in The audio alarm is activated when the unit is in alarm Visual Indicators and Alarms LED indicators Power Fault Indicator LED G...

Page 5: ...14 J15 J16 J17 This group of terminals is located on the Circuit Board For the contacts for each of three alarm relays and for the contacts of a fault relay See Section 3 3 Terminal J12 For VDC back u...

Page 6: ...riate vertical surface leaving room for lid to be opened using the mounting holes provided Avoid areas with excessive vibration or temperature extremes The holes in the bottom of the enclosure are 0 1...

Page 7: ...through a start up sequence unit serial number and software revision may be shown on the display The instrument may go into alarm briefly but the sensors stabilize quickly If the instrument persists i...

Page 8: ...ly Open J14 K1 Relay 1 NC Normally Closed J14 K1 Relay 1 COM Common Alarm 2 J15 K2 Relay 2 NO Normally Open J15 K2 Relay 2 NC Normally Closed J15 K2 Relay 2 COM Common Alarm 3 J16 K3 Relay 3 NO Normal...

Page 9: ...tatus See the Section 4 1 1 below 4 1 1 Typical Start Up When power is supplied to the AM 5175 the instrument will display the following sequence of information Typical start up sequence of informatio...

Page 10: ...Display indicates mA Span range Full Scale Press MENU button Display returns to gas measurent Operational Display Flow Chart 4 2 1 Alarm Conditions AM 5175 There are three alarm set points available T...

Page 11: ...AM 5175 Maintenance Menus Sequence Example of Display Function Normal Display Mode Measurement of CO Press and hold the MENU button for 2 4 seconds to enter the Maintenance Menu The Power Fault LED wi...

Page 12: ...ess the Menu button to cycle through Maintenance Menus Select OR Zero Cal OK If the Zero signal is not within Preset Specs the AM 5175 will display Bad ZERO Menu Bad ZERO If the Zero signal is within...

Page 13: ...is recommended that the Zero procedure be done prior to the Span procedure ENMET Corporation recommends at least quarterly calibration of the AM 5175 instrument Calibration equipment is available fro...

Page 14: ...in 1 2 seconds display will change to Span If you wish to Span the sensor press the SELECT button you are now ready to apply gas Proceed to gas span step 2 If you wish to Exit the maintenance menu pre...

Page 15: ...To exit cal press MENU button until Exit appears and press SELECT button If the sensor is outside of acceptable parameters Bad Span is displayed If the sensor did not respond an incompatible span gas...

Page 16: ...intenance menu as shown in Figure 6 AM 5175 Maintenance Menu flow chart 1 Press the MENU button until to display Span is displayed 2 Press the SELECT button to initiate the mA Span menu 3 Press the ME...

Page 17: ...is present remove the clip before plugging in the new sensor 6 Replace the Sensor PC board and 2 retaining screws 7 Reconnect the instrument to power 8 Recalibrate the instrument See Section 5 2 Step...

Page 18: ...num Cylinders 67028 0200 Sensor H2S 67028 1100 Sensor O2 67028 1200 Sensor CO 73083 000 Carry Case 7 0 Technical Data and Specifications Electrical Power 15 Amp fused branch circuit 100 240 VAC 0 45A...

Page 19: ...sed by the improper use of the product The purchaser indemnifies and saves harmless the company with respect to any loss or damages that may arise through the use by the purchaser or others of this eq...

Page 20: ...processing delays ENMET charges a one hour minimum billing for all approved repairs with additional time billed to the closest tenth of an hour All instruments sent to ENMET are subject to a minimum...

Page 21: ...nt Terms K COD Check one K VISA MasterCard______________________ ________ ________ Card number Expiration Card Code K American Express______________________ ________ ________ Card number Expiration Ca...

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