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Copyright © 2018 Labconco Corporation. The information contained in this manual and the accompanying 
products are copyrighted and all rights reserved by Labconco Corporation.  Labconco Corporation reserves 
the right to make periodic design changes without obligation to notify any person or entity of such change. 

 

 

Returned or Damaged Goods 

Do not return goods without the prior authorization from Labconco.  Unauthorized returns will not be 
accepted.  If your shipment was damaged in transit, you must file a claim directly with the freight carrier.  
Labconco Corporation and its dealers are not responsible for shipping damages. 

The United States Interstate Commerce Commission rules require that claims be filed with the delivery 
carrier within fifteen (15) days of delivery. 

Limitation of Liability 

The disposal and/or emission of substances used in connection with this equipment may be governed by 
various federal, state, or local regulations.  All users of this equipment are required to become familiar with 
any regulations that apply in the user’s area concerning the dumping of waste materials in or upon water, 
land, or air and to comply with such regulations.  Labconco Corporation is held harmless with respect to 
user’s compliance with such regulations. 

Contacting Labconco Corporation 

If you have questions that are not addressed in this manual, or if you need technical assistance, contact 
Labconco’s Customer Service Department or Labconco’s Product Service Department at 1-800-821-5525 
or 1-816-333-8811, between the hours of 7:30 a.m. and 5:30 p.m., Central Standard Time. 

 
 
 
 
 
 
 
 
 
 

Part #4861400, Rev. J 

ECO L427 

 

Warranty

 

Labconco Corporation provides a warranty to the original buyer for the repair or replacement of parts and 
reasonable labor as a result of normal and proper use of the equipment with compatible chemicals. Broken 
glassware and maintenance items, such as filters, gaskets, light bulbs, finishes and lubrication are not 
warranted. Excluded from warranty are products with improper installation, erratic electrical or utility supply, 
unauthorized repair and products used with incompatible chemicals. 

The warranty for Guardian™ Jr. Airflow Monitors will expire one year from date of installation or two years 
from date of shipment from Labconco, whichever is sooner.  Warranty is non-transferable and only applies to 
the owner (organization) of record. 

Buyer is exclusively responsible for the set-up, installation, verification, decontamination or calibration of 
equipment. This limited warranty covers parts and labor, but not transportation and insurance charges.  If the 
failure is determined to be covered under this warranty, the dealer or Labconco Corporation will authorize 
repair or replacement of all defective parts to restore the unit to operation. Repairs may be completed by 3

rd

 

party service agents approved by Labconco Corporation. Labconco Corporation reserves the rights to limit this 
warranty based on a service agent’s travel, working hours, the site’s entry restrictions and unobstructed access 
to serviceable components of the product.  

Under no circumstances shall Labconco Corporation be liable for indirect, consequential, or special damages 
of any kind.  This warranty is exclusive and in lieu of all other warranties whether oral, or implied.

 

Summary of Contents for Guardian Jr. 4865000

Page 1: ...low Monitor Models Applies primarily to older Models 4865000 4865001 Some operation and troubleshooting information applies for newer 97432 Series See separate Instruction Sheets for installation on newer 97432 Series ...

Page 2: ... of 7 30 a m and 5 30 p m Central Standard Time Part 4861400 Rev J ECO L427 Warranty Labconco Corporation provides a warranty to the original buyer for the repair or replacement of parts and reasonable labor as a result of normal and proper use of the equipment with compatible chemicals Broken glassware and maintenance items such as filters gaskets light bulbs finishes and lubrication are not warr...

Page 3: ...7 and 70 Fume Hoods 7 Perchloric Acid Hoods 8 Radioisotope Hoods 8 Initial Adjustment Setup 9 Installation Drawings 10 CHAPTER 3 NORMAL OPERATIONS 12 Alarm Activation 12 Alarm Test 12 CHAPTER 4 ELECTRICAL WIRING DIAGRAMS 13 Remote Blower Hoods 115V 13 8 Remote Blower Hoods 117V 14 8 External Blower Hoods 230V 15 4 5 6 Integral Blower Hoods 115V 16 Integral Blower Hoods 230V 50Hz 17 Basic 47 70 Hoo...

Page 4: ......

Page 5: ...sit Do not discard the carton or packing material until all components have been checked against the following component list and the equipment has been installed and tested As shipped the carton should contain the following Model 4865000 Guardian Jr Airflow Monitor 115V 50 60 Hz Qty Part Number Description 1 4854900 Alarm Module 1 4860600 Power Supply Assembly 115V 2 1885608 Machine Screw 632 x B...

Page 6: ...1 3605201 Wire Assembly White 50 long 2 1346800 Base Wire Tie 2 1342300 Tie Cable General Description The Guardian Jr Airflow Monitor is designed to continuously monitor airflow through fume hoods This permanently installed device provides both visual and audible alarms to alert the user of abnormal airflow conditions A green light on the front of the monitor indicates normal flow conditions When ...

Page 7: ...w Monitor is designed for operation on all new non explosion proof remote and integral style Protector Fume Hoods It is also set up for operation for both the new Basic 47 and 70 inch style fume hoods The monitor itself is available both as a field installed kit or a factory installed option ...

Page 8: ...icates normal flow conditions 3 Alarm Indicator This red light is activated approximately 6 seconds after the low flow set point is reached 4 Test Reset Button If no alarm is present this button will cause the red lamp to light and the audible alarm to sound If an alarm is present the button will silence the audible alarm 5 Adjustment for Alarm Set Point This potentiometer is used to set the low f...

Page 9: ...Basic 47 or Basic 70 inch hood you would need to remove the right side access panel on the hood to gain access in removing the blank outlet cover plate 2 Reinstate the corner cover panel to the hood using the screws that were removed in Step 1 3 On the Protector Fume Hoods only attach the molded rubber elbow connector directly to the back port connection on the alarm module assembly 4 Thread the g...

Page 10: ...open end of the vinyl tubing and position the probe in the 3 8 diameter hole drilled in Step 2 Place the end of the airflow hose with the nozzle inside the hose near the exhaust duct as the nozzle helps regulate airflow properly RTV the probe in position to complete your installation 4 Locate caution label directly above the alarm on the appropriate corner cover Electrical Connections 1 Note the s...

Page 11: ...blue wire part of 48611 to the original blower switch terminal Locate the white wire on the blower switch which is adjacent to the blue wire just connected above Disconnect this white wire from the blower switch terminal and connect to the brown wire in wiring harness 48611 Reconnect the remaining terminal on this brown wire to the blower switch terminal where the white wire was originally removed...

Page 12: ...o the brown wire of harness 48611 Reconnect the remaining terminal on this brown wire to the blower switch terminal where the white wire was originally removed Perchloric Acid Hoods Locate the black wire which is tied to wiring harness 48610 Cut the tie and discard the black wire which features 3 terminals as it is not required Locate the white wire in wiring harness 48610 Connect the terminal of ...

Page 13: ... has been connected 3 Determine the low flow set point for your monitor This is the value where the monitor will first indicate a low flow condition The red light will be on for this value Refer to your industrial hygiene officer for the proper low flow set point 4 Adjust your fume hood airflow to the low flow set point as been previously determined 5 Using a properly calibrated thermoanemometer d...

Page 14: ...Chapter 2 Installation Product Service 1 800 522 7658 10 ...

Page 15: ...Chapter 2 Installation Product Service 1 800 522 7658 11 ...

Page 16: ...n is detected To temporarily mute the audible alarm press and release the test reset button NOTE After an alarm condition has been detected the red light will stay on The audible alarm will remain muted until airflow returns to normal levels Alarm Test When no alarm is present the alarm can be tested by pressing the test reset button While the button is pressed the alarm light and audible alarm wi...

Page 17: ...Product Service 1 800 522 7658 13 C Ch ha ap pt te er r 4 4 E El le ec ct tr ri ic ca al l W Wi ir ri in ng g D Di ia ag gr ra am ms s ...

Page 18: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 14 ...

Page 19: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 15 ...

Page 20: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 16 ...

Page 21: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 17 ...

Page 22: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 18 ...

Page 23: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 19 ...

Page 24: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 20 ...

Page 25: ...Chapter 4 Electrical Wiring Diagrams Product Service 1 800 522 7658 21 ...

Page 26: ...r speed has changed Performance traverse to verify that the calibration has not changed Check blower speed adjust if required Check calibration using traverse technique recalibrate monitor as instructed if required Audible Disable Will Not Stay On An alarm condition must be continuously present before the audible alarm can be silenced If flow conditions fluctuate near the alarm set point the alarm...

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