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CO-Guard 

ENMET 

 

Manual Release Date – June 8, 2017 

P a g e

 | 19 

Manual Part No. – 80002-044 

 

 

8.0 Terms and Conditions 

8.1 Ordering Information 

Address orders to:  

ENMET 

Attention: Customer Service Department 

680 Fairfield Court 

Ann Arbor, MI 48108 

Email Orders

orderentry@enmet.com

 

Phone: 734-761-1270

 

Fax: 734-761-3220 

You may also contact our customer service department by email info@enmet.com.  MINIMUM ORDER IS $50.00. 

 

8.2  Delivery 

Unless Seller otherwise specifies, delivery will be made: FOB Ann Arbor, MI and/or FOB Bowling Green, KY.  Title and risk of 
loss shall pass to Buyer at that point.  Shipping and handling charges will be Prepaid and Added to Buyer’s invoice.  Buyer may 
request shipping be charged to their own account with a preferred carrier.  Seller shall have the right to choose means of 
transportation and to route shipment when specific instructions are not included with Buyer’s order.  Seller agrees to deliver the 
goods and services, within the time, in accordance with specifications, at the prices specified on the face hereof.  Buyer’s orders to 
this quotation are not subject to cancellation or deferment of delivery without indemnification of loss to the Seller resulting there 
from.  Seller shall not be liable to Buyer for any loss or damage sustained on account of this delay or nonperformance due to 
causes beyond Seller’s control and without his fault or negligence.  Where performance of the terms here is contingent upon timely 
delivery of goods or services by the Buyer and such delivery is in default, Seller shall be indemnified for any damage or loss 
resulting there from, and/or by extension of Seller’s delivery commitment, as applicable. 

 

8.3  Payment Terms 

Payment Terms are Net 30 Days from the date of shipment from Seller unless otherwise noted.  All shipping and handling costs 
will be charged to Buyer on a Prepaid and Add basis.  Buyer has the option of paying for shipping by charging its own account 
with a carrier 

 

8.4  Warranty Information and Guidelines 

The Seller warrants new instruments to be free from defects in workmanship and material under normal use for a period of one 
year from date of shipment.  The warrant covers both parts and labor excluding calibration and expendable parts such as filters, 
detector tubes, batteries, etc.  If the inspection by the Seller confirms that the product is defective, it will be repaired or replaced at 
no charge, within the stated limitations, and returned prepaid to any location in the United States.  The Seller shall not be liable for 
any loss or damage caused by the improper use or installation of the product.  The Buyer indemnifies and saves harmless the Seller 
with respect to any loss or damages that may arise through the use by the Buyer or others of this equipment.  This warranty is 
expressly given in lieu of all other warranties, either expressed, implied or statutory, including that of merchantability, and all 
other obligations, or liabilities of ENMET, LLC for damages arising out of or in connection with the use or repair or performance 
of the product.  In no event shall ENMET, LLC, be liable for any indirect, incidental, special or consequential damages or for any 
delay in the performance by ENMET, LLC, which may arise in connection with this equipment.  ENMET neither assumes nor 
authorizes any representatives or other persons to assume for it any obligation or liability other than that which is set forth herein.  
Buyer agrees to indemnify and save harmless Seller for any damage or loss from lawsuits against Seller by reason of manufacture 
of sale of materials, parts, or use of processes resulting from Buyer’s design specifications.  Any patent, design, pattern, tool, die, 
jig, fixture, drawing, test equipment, or process furnished by Seller; whether possessed by the Seller before the date of this 
quotation, or devised or acquired by Seller during performance of the terms of this quotation, shall remain the property of the 
Seller except by specific stipulation on the face hereof.  Seller reserves the right, without liability, for damage or loss, to destroy 
Buyer’s drawings, specifications, patterns and special tools supplied by Buyer for performance of the terms on the face hereof, 
unless Buyer gives notice of the disposition of such items. 
 

8.5  Return Policy 

All returns for credit must be approved in advance by ENMET, LLC.  

Such returns are subject to a minimum $50.00 or 20% 

restocking charge, whichever is greater.  

Approval of equipment for return is totally at the discretion of ENMET, LLC.  

All 

requests for return/exchange must be made no later 30 days of the original shipping date from ENMET.  The actual amount of any 
resulting credit will not be determined prior to a complete inspection of the equipment by ENMET.  Calibration gas cylinders 
cannot be returned or restocked. 
 

9.0  Instructions for Returning an Instrument for Service 

Contact the ENMET Service Department for all service requests. 

Summary of Contents for CO-GUARD

Page 1: ...ENMET 680 Fairfield Court Ann Arbor MI 48108 734 761 1270 Fax 734 761 3220 www enmet com CO Guard Compressed Air Line CO Monitor Operation Manual...

Page 2: ...16 5 2 5 Span Set 16 5 4 Sensor Replacement 17 6 0 REPLACEMENT PARTS 18 7 0 TECHNICAL DATA AND SPECIFICATIONS 18 List of Tables Table 1 Relay Failsafe Settings 8 Table 2 Factory Alarm Set Points 10 T...

Page 3: ...mpany s property If your shipment arrives damaged o Keep the items packing material and carton As Is Within 5 days of receipt notify the carrier s local office and request immediate inspection of the...

Page 4: ...rd exposing the interior of the enclosure See Figure 1 for location of features Feature Description Display A single line 8 character LCD with backlight Indicates the level of gas detected by sensor T...

Page 5: ...l CO GUARD Features Figure 1a Optional REGULATOR AND SAMPLE AIR HOSE Regulator Female Quick Release Fitting to Inlet Port NPT Select Menu Input Port Audio Alarm Strain Relief Visual Indicators Alarm1...

Page 6: ...surface of the enclosure interior Features are shown in Figure 2 Feature Description Relay Terminals This group of terminals is located on the Circuit Board For the contacts for each of three alarm re...

Page 7: ...nt the CO GUARD instrument on an appropriate vertical surface leaving room for lid to be opened using the mounting holes provided Avoid areas with excessive vibration or temperature extremes The holes...

Page 8: ...to the Power Input Terminal TB1 and the Ground screw See Figure 4 for location WARNING Continuous gas detection and alarm systems 110VAC 220VAC 24VDC 12VDC powered become inoperative upon loss of prim...

Page 9: ...sition Alarm 1 J14 K1 Relay 1 NO Normally 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...

Page 10: ...acter in the display may flash a letter indicating the instrument status See the Section 4 1 1 below 4 1 1 Typical Start Up When power is supplied to the CO GUARD the instrument will display the follo...

Page 11: ...m see Section 4 2 1 Display indicates mA Span range Full Scale Press MENU button Display returns to CO measurent To temporally disable audio alarm see Section 4 2 1 Operational Display Flow Chart 4 2...

Page 12: ...Figure 6 for a detailed maintenance menu flow chart Table 3 CO GUARD Maintenance Menus Sequence Example of Display Function Normal Display Mode Measurement of CO Press and hold the MENU button for 2...

Page 13: ...red digit and moves to next digit See Section 5 2 5 To return to Normal Gas Display Press MENU button until EXIT is displayed Then press SELECT button OR Zero Cal OK If the Zero signal is not within P...

Page 14: ...other It is recommended that the Zero procedure be done prior to the Span procedure ENMET recommends at least quarterly calibration of the CO GUARD instrument Calibration equipment is available from...

Page 15: ...D will monitor the zero reading for stability If the reading stabilizes within the pre programmed perimeters an automatic zero adjustment will be made Cal OK appears on the display and in 1 2 seconds...

Page 16: ...the Span is successful Cal OK appears momentarily then will advance to Alarm1 menu If the sensor is outside of acceptable parameters Bad Span is displayed If the sensor did not respond an incompatibl...

Page 17: ...U button until to display Span is displayed 2 Press the SELECT button to initiate the mA Span menu 3 Press the MENU button to change the digit indicated by the underscore cursor 4 Press the SELECT but...

Page 18: ...ifold see Figure 8 Insert the new sensor assembly and replace sensor manifold and 2 retaining screws Replace lid and the 4 retaining screws Re supply power to the CO GUARD Figure 8 CO GUARD Sensor Rep...

Page 19: ...l Data and Specifications Electrical Power 15 Amp fused branch circuit 100 240 VAC 0 45A 50 60 Hz 0 6A 24VDC Storage and Transport Temperature 20 to 60 C 4 to 140 F preferred 0 to 20 C 32 to 68 F Rela...

Page 20: ...ill be repaired or replaced at no charge within the stated limitations and returned prepaid to any location in the United States The Seller shall not be liable for any loss or damage caused by the imp...

Page 21: ...your unit and failure to provide this information can result in processing delays ENMET charges a one hour minimum billing for all approved repairs with additional time billed to the closest tenth of...

Page 22: ...it Appears on Card RETURN SHIPPING METHOD UPS Ground UPS 3 Day Select UPS Next Day Air UPS ND Air Saver UPS 2 Day Air UPS Account FedEx Ground FedEx Air Express Saver FedEx Air Overnight Std FedEx Air...

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