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Total Exhaust Hood

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TOTAL  EXHAUST  HOOD

 

Thank you for purchasing our Total Exhaust Hood.  W ith proper care and maintenance your
hood will provide you with many years of trouble free performance.

Please read instructions carefully before installing and

operating your Total Exhaust Hood.

W ARNING:

 To reduce risk of fire, electric shock, or injury to persons please

review the following precautions.

Do not expose your hood to rain or moisture.

Always disconnect the Total Exhaust Hood from power supply when servicing,

moving parts may cause serious injury.

Always disconnect while grasping the plug, not the cord.

Do not block airflow to top of unit (allow at least 5” above unit).

Do not expose your hood to gaseous or explosive vapors.  Motors normally spark

and may ignite fumes.

Do not modify the plug of your hood if it will not fit in your duplex outlet.  Have a

proper outlet installed by a qualified electrician.

Use only specified replacement parts recommended by Design Filtration.

Use this equipment only in the manner intended by Design Filtration.

1.

Shipping and Un-Crating

Your Total Exhaust Hood normally is shipped in two sections; smaller units may come fully
assembled.  Units should be stored in heated conditions of between 4

/

 (40

/

) and 32

/

C

F

C

(90

/

) to avoid undue structural fatigue and damage.

f

Each unit is factory tested for airflows and filter leaks prior to shipping. On occasion damage
can occur during the transportation of your new Total Exhaust Hood.  Carefully remove the
crating from your hood and inspect for damage that may have been caused and report it
immediately to your transportation company.

All shipments are F.O.B. Design Filtration Inc.  You must file a claim directly with the freight
carrier.  Design Filtration Inc. and its dealers are not responsible for shipping damages. 

Summary of Contents for TXH-4

Page 1: ...Installation and Operation Manual Total Exhaust Hood 45 Iber Road Ottawa Ontario K2S 1E7 Tel 613 836 6065 1 888 636 8609 Fax 613 836 9724 www designfiltration com ...

Page 2: ...PA Filter Pg 5 7 Changing HEPA ULPA Filters Pg 5 8 Changing the Fluorescent Light Pg 5 9 Speed Control Pg 6 10 Exhaust System Safety Pressure Switch Pg 6 11 Model Number Pg 6 12 Motor Electrical Pg 6 13 Changing Sash Window Cables Pg 6 14 Airflow Chart Specifications Pg 7 15 Airflow Direction Pg 7 16 Dimensions Pg 8 17 Replacement Parts Pg 8 18 Warranty Pg 9 ...

Page 3: ... of your hood if it will not fit in your duplex outlet Have a proper outlet installed by a qualified electrician Use only specified replacement parts recommended by Design Filtration Use this equipment only in the manner intended by Design Filtration 1 Shipping and Un Crating Your Total Exhaust Hood normally is shipped in two sections smaller units may come fully assembled Units should be stored i...

Page 4: ...fore installation WARNING Allow 24 Hrs for Hood to Acclimatize Before Installation to Prevent Damage to Hood WARNING Always Lift from the Outside Edges of Hood to Prevent Damage Do Not Use Fork Lift on Center of Hood Your Total Exhaust Hood is shipped to you in four pieces To start locate the base frame as close to the final area as possible allowing enough space for the head section and personnel...

Page 5: ...re filters which are manufactured from a bonded synthetic media set into a moisture resistant beverage board Pleated pre filters carry an efficiency rating of MERV 7 Minimum Efficiency Reporting Value The filters also provide an Average Atmospheric Dust Spot Efficiency of 25 30 to ASHRAE Test Standard 52 1 4 Pre filter Maintenance Please check your pre filters on a monthly basis and change as nece...

Page 6: ...f fan filter module Unscrew and remove polypropylene front locating bar Remove 20 nuts from rear clamping mechanism Unplug fan power cords from electrical outlet Carefully slide fan filter module from housing this may require two people Remove aluminum foil tape and separate the filter from motor housing See Figure 7 1 Carefully remove the new HEPA filter from crate Using aluminum foil tape do not...

Page 7: ...ber is located on the front panel in the lower right hand corner The serial number and electrical information is also included on this label Refer to these numbers when contacting the manufacturer 12 Motor Electrical The Total Exhaust Hood uses 115 volt 90 watt energy efficient motorized impellers to provide excellent airflow distribution quieter noise levels and low heat loads Standard on your To...

Page 8: ...1088 1679 551 40 Calculations are based on an average of 105 FPM for Hand Intake and 65 FPM for down flow velocity measured at 6 below diffuser screen 15 Airflow Direction W hen the Total Exhaust Hood is operating the fans draw lab air into the hood from the top through the pre filter and the HEPA ULPA filter and then pushes the cleaned air down to the work surface Figure15 1 shows the direction o...

Page 9: ...17 Replacement Parts Part Order Number Pre filters nominal 12 x 24 x 2 12 12242 113 EBM 220 motor 17MOTR2E220AA4423 Motor capacitor 17CAP10MF Speed Control 17SW SC1150L TXH 4 HEPA Filter Bead pleat 10 24486 14 TXH 5 HEPA Filter Bead pleat 10 24606 14 TXH 6 HEPA Filter Bead pleat 10 24726 14 TXH 8 HEPA Filter Bead pleat quantity 2 10 24486 14 TXH 4 ULPA Filter Bead pleat 10 24486 16 TXH 5 ULPA Filt...

Page 10: ...iltration will not accept any returned items without prior written consent Design Filtration Inc is not responsible for repair or replacement by misuse or abuse by incorrect operating procedures of its equipment Pre filters carry no warranty against loading Any modifications or changes made to equipment by customer without written consent of Design Filtration will void the warranty Model number an...

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