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3101 Mt Carmel Ave. Glenside, PA │ 833-ENV-GURU (833- 368-4878)  

I.  Important Safety Information 

SAFETY INSTRUCTIONS 

The equipment described in this Manual is designed and manufactured to operate within defined design 
limits.  Any  misuse  may  result  in  injury,  electric  shock  or  fire.  To  prevent  the  equipment  from  being 
damaged,  the  following  rules  should  be  observed  for  installation,  use  and  maintenance.

  Read  the 

following safety instructions before operating the instrument.  

 

POWER 

POWER CORD: 

Use only the power cord specified for this equipment and certified for the country of use. If the 

power (mains) plug is replaced, follow the wiring connections specified for the country of use. When installing or 
removing the power plug, 

hold the plug, not the cord. 

The power cord provided is equipped with a

 3-prong grounded plug (a plug with a third grounding pin). 

This 

is both a safety feature to avoid electrical shock and a requirement for correct equipment operation. If the outlet 
to be used does not accommodate the 3-prong plug, either change the outlet or use a grounding adapter. 

FUSES: 

Replace fuses only with those having the required current rating, voltage and specified type such as 

normal blow, time delay, etc. 

DO NOT

 use makeshift fuses or short the fuse holder. This could cause a shock or 

fire hazard or severely damage the instrument. 
 

OPERATION

                                      

CAUTION

 

DO NOT OPERATE WITH COVERS OR PANELS REMOVED.

 

Voltages inside the equipment consist of line 

(mains) that can be anywhere from 100-240VAC.

 

DO NOT OPERATE WITH SUSPECTED EQUIPMENT FAILURES. 

If any odor or smoke becomes apparent 

turn off the equipment and unplug it immediately. Failure to do so may result in electrical shock, fire or permanent 
damage to the equipment. Contact the factory for further instructions.  

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE: 

Operating the equipment in the presence of flammable 

gases or fumes 

constitutes a definite safety hazard

. For equipment designed to operate in such environments 

the proper safety devices must be used such as dry air or inert gas purge, intrinsic safe barriers and/or explosion-
proof enclosures. 

DO  NOT  IMPEDE  THE  CHAMBER  FROM  VENTING  EXCESS  PRESSURE.

    The  humidification  and 

dehumidification systems are open loop systems that pump external air into the chamber.  If the chamber is not 
allowed to vent, pressure could build up and cause serious damage to the chamber. 

USE DISTILLED OR DEIONIZED WATER SOURCE FOR HUMIDIFICATION.

  Build-up of contaminates on the 

transducer will cause stress to the transducer and electronics and resulting in premature failure and invalidate 
the warranty. 

IF YOUR UNIT INCLUDES OPTIONAL LIQUID NITROGEN COOLING CAPABILITES, REVIEW ALL SAFETY 
INFORMATION IN THE LIQUID NITROGEN SAFETY ADDENDUM.

   

DO  NOT  USE  IN  ANY  MANNER  NOT  SPECIFIED  OR  APPROVED  BY  THE  MANUFACTURER:

 

Unapproved use may result in damage to the equipment or present an electrical shock or fire 
hazard. 

Summary of Contents for 5461

Page 1: ...D01083 Revision A 2019 10 28 Desiccant Pump Dehumidification System Model 5461 Operating Manual...

Page 2: ...33 ENV GURU 833 368 4878 Table of Contents I Important Safety Information 3 II Description of Contents 4 III Set Up Guide 5 IV Operation 7 V Description and Specifications 7 VI Maintenance and Calibra...

Page 3: ...AUTION DO NOT OPERATE WITH COVERS OR PANELS REMOVED Voltages inside the equipment consist of line mains that can be anywhere from 100 240VAC DO NOT OPERATE WITH SUSPECTED EQUIPMENT FAILURES If any odo...

Page 4: ...ification System is housed in a 7 W x 7 L x 5 H plastic enclosure with vibration isolating feet MS desiccant column 1 L Molecular sieve 20 indicating Tubing section 1 9 Tubing o d short piece of tubin...

Page 5: ...fans will already be installed For other installations it is recommended that a 32 110 cfm fan s be installed to evenly distribute the air within the chamber Step 1 Mount Desiccator Column Place the...

Page 6: ...into the bottom of the fitting to avoid leaks Step 4 Plug the unit power cord into the DECREASE or DEHUMIDIFY outlet on the rear of the Model 5100 or 5200 Humidity Controller Step 5 Set Humidity Set y...

Page 7: ...ed to within 0 1 RH of the set point A clear plastic column filled with 1 Liter of renewable Molecular Sieve MS desiccant is mounted to the top of the enclosure The desiccant removes moisture from the...

Page 8: ...e metal retainer O ring and spring on top of the desiccant 5 Pour out old desiccant refill tapping the column gently on a table to help settle the desiccant 6 Replace the metal retainer O ring and spr...

Page 9: ...m any cause whatsoever This warranty becomes null and void should the equipment or any part thereof be abused or modified by the customer of if used in any application other than that for which it was...

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