Fume Extraction
Inspection
TECHNICAL BULLETIN TB-4012
Made in Britain
Remove the Fume Extractor from the shipping carton and inspect for damage.
Items included with model
35440:
1 – MENDA Solo Extractor with one inlet, 120VAC
1 –
35456
30" 50mm ESD Stay Put Extraction Arm with Nozzle
1 –
35457
5' 50mm Flex Hose
1 –
35454
Flip Top Flush Seal Mounting Plate includes a
grounding wire with ring terminal
1 –
35453
Table Bracket Installation Kit
2 –
35458
Jubilee Clips
1 – Sleeve
1 – 6' Power Cord, 120VAC, North American Plug
1 –
35451
Combined Filter (HEPA)
1 –
35450
Pre-Filter, Pack of 5
35452
Gas Filter is availible as an option
Items included with model
35445:
1 – MENDA Duo Extractor with two inlets, 120VAC
2 –
35456
30" 50mm ESD Stay Put Extraction Arms with Nozzle
2 –
35457
5' 50mm Flex Hoses
2 –
35454
Flip Top Flush Seal Mounting Plate includes a grounding
wire with ring terminal
2 –
35453
Table Bracket Installation Kits
4 –
35458
Jubilee Clips
2 – Sleeves
1 – Black Inlet Cover
1 – 6' Power Cord, 120VAC, North American Plug
1 –
35451
Combined Filter (HEPA)
1 –
35450
Pre-Filter, Pack of 5
35452
Gas Filter is availible as an option
Items included with model
35460:
1 - MENDA Quad Extractor with two inlets, 120VAC
1 -
35461
Filter
All accessories are sold separately.
2 - Item
35459
(75mm Funnel Arm) are recommended.
35440
35445
35459 - 40" 75mm Mounted Arm Funnel
35453 - Table Bracket Installation Kit
35454 - Flip Top
35457 - 5' 50mm Flex Hose
35456 - 30" 50mm Extraction
Arm with Nozzle
Power Cord
35458 - Jubilee Clips
Sleeve
35460
3651 Walnut Avenue, Chino, CA 91710 • Phone: (909) 627-2453 • Web Site:
MendaPump.com
TB-4012
July 2016 Page 1 of 10
© 2016 DESCO INDUSTRIES INC.
Employee Owned
Installation
Extractor Installation Procedure
Move the unit to the location where it is going to be
installed and remove the unit from its packaging.
Caution
• The unit should be installed in a well ventilated
room.
• Ensure that a 18" space is available around any
louvered areas of the unit to ensure adequate
air flow.
• Do not block or cover any louvers or cooling
holes on the unit as this severely restricts air
flow and may cause damage to the unit.
•
The filtered air exhaust is at the base of the
35440, 35445 and 35460 units.
• Under no circumstances should the exhaust
outlet(s) be covered as this will restrict the
airflow and cause overheating.
•
Check filters are located in their correct position
and carefully replace lid.
Connect the extraction ducting between the extractor
inlet(s) and the extraction arms using hose adaptors
and jubilee clips as required. Ducting runs should be
kept as short as possible.
The 35440 and 35445 are supplied with an
installation kit. This kit gives the option of fixing the
extraction arms through the workbench using the flip
top flush sealing mounting plates (Figure 2) or the
clamp on bench mount brackets as preferred
(Figure 3). The top of the work bench must be
suitably drilled using a 2.5" hole cutter if the flip top
flush sealing mounting plates are used. When using
the flip top use the grounding wire with ring terminal
to ground the ESD Stay Put Extraction Arm with
Nozzle (Figure 1) to equipment ground (preferably
3-wire AC outlet ground).
For the 35460 the required installation fittings would
have been selected at the time of ordering.
Operation
On/Off switch
These extractor units are turned on and off by using the
switch on the front or rear of the unit. See the note below
for units supplied with a remote flow control box.
Single LED Filter condition indication
On 35440 and 35445 units only, an LED on the front
panel of the machine will illuminate when the filters need
attention.
See the Maintenance section for information on changing
filters.
Maintenance
General
User maintenance is limited to cleaning the unit and
replacing the filters with new. Only MENDA is authorized
to carry out component testing and replacement.
Unauthorized work or the use of unauthorized
replacement filters may result in a potentially dangerous
situation and/or damage to the extractor unit, and will
invalidate the manufacturer’s warranty.
Cleaning Unit
The powder coated finish can be cleaned with a damp
cloth and non-aggressive detergent. Do not use an
abrasive cleaning product as this will damage the finish.
The cooling inlets and outlets should be cleaned once a
year to prevent build up of dust and overheating of unit
Caution
To prevent overheating, units should not be run with a
blocked filter condition, or with dust obstruction of inlets
or outlets.
Replacing Filters
The filter package needs attention
when the filter change signal is
alarmed and red LED’s on the unit
are illuminated.
A log of filter changes should be maintained by the user.
All filters are tested to BS3928. A certificate on conformity
for each filter is available on request.
“GREEN WIRE”
UTILITY
GROUND
POINTS
RING TERMINAL
CAN BE
ATTACHED
HERE
It is recommended that a spare set of filters are kept on
site to avoid prolonged unit unavailability. Refer to the
consumable spares table.
Figure 1
3651 Walnut Avenue, Chino, CA 91710 • Phone: (909) 627-2453 • Web Site:
MendaPump.com
TB-4012
Page 2 of 10
© 2016 DESCO INDUSTRIES INC.
Employee Owned
Filter replacement indication
The first few filter changes should only apply to the
pre-filter. The indication that the Combined or
Gas / HEPA filter needs replacing is when the filter
alarm signal and LED’s (if fitted) do not go off after
the pre-filter has been changed.
Please note that the carbon media within the
combined filter or Gas filter is hygroscopic and
will absorb moisture from the atmosphere. This is
why these filters should be changed every twelve
months regardless.
The filter change procedure depends on the specific
model of extractor. (See layout diagrams to the right)
Filter replacement 35440, 35445, 35460
1. Isolate the electrical supply to the extractor.
2. Undo the protex clips on either side of the unit and
lift the lid or motor section clear of the filter package
and place on a safe surface.
3.
Remove the filter package from the base of the
unit.
4. Vacuum out any dust in the base. (We recommend
using a Menda Omega Field or Service Vac).
5.
Remove the pre-filter, which may be recessed into
the combined filter. (See Figure 4)
6.
Replace the exhausted pre-filter, or combined filter,
or Foam filter as necessary.
7.
Place the filter package back into position.
Replace the motor section, fasten the protex clips
and start up the unit.
Arm
Bolt
Flip Top
Table
Sleeve
Jubilee Clip
Flex
Jubilee Clip
Lid 50mm Inlet
Figure 2
Arm
Bolt
Flip Top
Table Bracket
Washer
Nut
Sleeve
Jubilee Clip
C-clamp
Flex
Jubilee Clip
35440 & 35445
35460
Figure 4
Lid 50mm Inlet
Figure 3
3651 Walnut Avenue, Chino, CA 91710 • Phone: (909) 627-2453 • Web Site:
MendaPump.com
TB-4012
Page 3 of 10
© 2016 DESCO INDUSTRIES INC.
Employee Owned
35440 System Specifications
Capacity:
Size:
Weight:
Exhauster:
Rated Output:
Electrical supply:
Full Load Current:
Noise level:
Filters:
53 CFM
height 15" x depth 10" x width 10"
15 lbs.
Centrifugal fan
60w (65w)
120V 1ph 60Hz
0.3A (0.65A)
54dB (A)
Pre-filter
Combined filter
Surface area
Efficiency F7
Surface area
Efficiency H13
Impregnated Carbon
Duct Size:
Duct Run:
50mm
9.5 feet
0.06 m²
85% @ 0.8µ
2.0 m²
99.997% @ 0.3µ
35445 System Specifications
Capacity:
Size:
Weight:
Exhauster:
Rated Output:
Electrical supply:
Full Load Current:
Noise level:
Filters:
125 CFM
height 15" x depth 10" x width 10"
22 lbs.
Centrifugal fan
140w (95w)
120V 1ph 60Hz
1.1A (1.4A)
55dB (A)
Pre-filter
Combined filter
Surface area
Efficiency F7
Surface area
Efficiency H13
Impregnated Carbon
Duct Size:
Duct Run:
2 x 50mm
16 feet
0.06 m²
85% @ 0.8µ
2.0 m²
99.997% @ 0.3µ
3651 Walnut Avenue, Chino, CA 91710 • Phone: (909) 627-2453 • Web Site:
MendaPump.com
TB-4012
Page 6 of 10
© 2016 DESCO INDUSTRIES INC.
Employee Owned
35460 System Specifications
Capacity:
Size:
Weight:
Exhauster:
Rated Output:
Electrical supply:
Full Load Current:
Noise level:
Filters:
Duct Size:
Duct Run:
320 CFM
height 17.5" x depth 14.5" x width 14.5"
50 lbs.
Centrifugal fan
240W (255W)
120V 1ph 60Hz
1.8A (3.5A)
60dB (A)
Pre-filter
Gas activated carbon foam
4 x 50mm or 2 x 75mm
19.5 feet
Efficiency F8
85% @ 0.8µ
The 35460 will run a maximum of six 50mm arms or four 75mm arms and with a maximum duct run of 19.5 feet.
Limited Warranty
Menda expressly warrants that for a period of one (1) year from the date of purchase, Menda Fume Extraction Units will be free of defects
in material (parts) and workmanship (labor). Within the warranty period, the product will be tested, repaired, or replaced at Menda’s option,
free of charge. Call our Customer Service Department at 909-627-2453 for a Return Material Authorization (RMA) and proper shipping
instructions and address. Include a copy of your original packing slip, invoice, or other proof of purchase date. Any unit under warranty
should be shipped prepaid to the Menda factory. Warranty repairs will take approximately two weeks.
If your unit is out of warranty, call Customer Service at 909-627-2453 for a Return Material Authorization (RMA) and proper shipping
instructions and address. Menda will quote repair charges necessary to bring your unit up to factory standards.
Warranty Exclusions
THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF ALL OTHER PRODUCT WARRANTIES, EXPRESSED AND IMPLIED,
INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED. The
express warranty will not apply to defects or damage due to accidents, neglect, misuse, alterations, operator error, or failure to properly
maintain, clean or repair products.
Limit of Liability
In no event will Menda or any seller be responsible or liable for any injury, loss or damage, direct or consequential, arising out of the use
of or the inability to use the product. Before using, users shall determine the suitability of the product for their intended use, and users
assume all risk and liability whatsoever in connection therewith.
3651 Walnut Avenue, Chino, CA 91710 • Phone: (909) 627-2453 • Web Site:
MendaPump.com
TB-4012
Page 7 of 10
© 2016 DESCO INDUSTRIES INC.
Employee Owned
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