DIVERSITECH DD-MINI Manual

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www.diversitech.ca

1200 55th Avenue, Montreal, Quebec H8T 3J8

Tel: 1.800.361.3733 | Fax: 1.514.631.9480 | [email protected]

DD-2X4

Downdraft Table

Mini DD

Downdraft Table

Operation & Maintenance Manual

PORTABLE DOWNDRAFT TABLES

READ AND SAVE THESE INSTRUCTIONS

Table of Contents

SECTION 1 – SAFETY PRECAUTIONS OF FUME & DUST EXTRACTION/COLLECTION .................................................................................................................................................3

1.1 Symbols ...........................................................................................................................................................................................................................................................................................3

1.2 User Responsibility ..................................................................................................................................................................................................................................................................3

1.3 Fume Extraction Hazards .....................................................................................................................................................................................................................................................3

1.4 Dust Collection Hazards .......................................................................................................................................................................................................................................................3

SECTION 2 – SPECIFICATIONS ..................................................................................................................................................................................................................................................................................4

2.1 Model Configuration & Description ........................................................................................................................................................................................................................................................4

2.2 Product Specifications .......................................................................................................................................................................................................................................................................................4

2.3 Filter Specifications ...............................................................................................................................................................................................................................................................................................5

2.4 Dimensions ................................................................................................................................................................................................................................................................................................................5

SECTION 3 – SETUP / INSTALLATION .................................................................................................................................................................................................................................................................6

3.1 To Setup or Install Safely ...................................................................................................................................................................................................................................................................................6

3.2 Un-Packaging ...........................................................................................................................................................................................................................................................................................................6

3.3 Selecting a Location ............................................................................................................................................................................................................................................................................................6

3.4 Installation ...................................................................................................................................................................................................................................................................................................................6

3.5 Preparing Unit for Operation ..........................................................................................................................................................................................................................................................................7

SECTION 4 – OPERATION ..............................................................................................................................................................................................................................................................................................7

4.1 To Operate Safely ..................................................................................................................................................................................................................................................................................................7

4.2 Controls ........................................................................................................................................................................................................................................................................................................................7

4.3 Pre-Use Checklist ..................................................................................................................................................................................................................................................................................................8

4.4 Principles of Operation ......................................................................................................................................................................................................................................................................................8

4.5 DD-2X4 Pulse Filter Cleaning System ......................................................................................................................................................................................................................................................8

SECTION 5 – MAINTENANCE & TROUBLESHOOTING ............................................................................................................................................................................................................................9

5.1 To Maintain this Product Safely ....................................................................................................................................................................................................................................................................9

5.2 Tools Required .......................................................................................................................................................................................................................................................................................................9

5.3 Routine Maintenance Schedule ...............................................................................................................................................................................................................................................................10

5.4 Filter Replacement DD-MINI ........................................................................................................................................................................................................................................................................11

5.5 Filter Replacement DD-2X4 ..........................................................................................................................................................................................................................................................................12

5.6 Troubleshooting Procedure ........................................................................................................................................................................................................................................................................13

APPENDIX 1A – ELECTRICAL DIAGRAM MANUAL [120 VAC] Single Phase Power .......................................................................................................................................................14

APPENDIX 1B – ELECTRICAL DIAGRAM MANUAL [120/460/575v] 3-Phase Power .....................................................................................................................................................15

APPENDIX 2 – MAINTENANCE RECORD ........................................................................................................................................................................................................................................................16

APPENDIX 3 – REPLACEMENT PARTS .............................................................................................................................................................................................................................................................17

APPENDIX 4 – INSTALLING SIDE & BACK WALLS ...................................................................................................................................................................................................................................18

NOTES.........................................................................................................................................................................................................................................................................................................................................19

Limited Equipment Warranty ..................................................................................................................................................................................................................................................................Back Cover

Freight Claims ...................................................................................................................................................................................................................................................................................................Back Cover

Return Material Policy ..................................................................................................................................................................................................................................................................................Back Cover

Revised February 2019 [E N]

1.4 Dust Collection Hazards

1.3 Fume Extraction Hazards

1.2 Users Responsability

1.1 Symbols

HOT

PARTS

MOVING

PARTS

ELECTRIC

SHOCK

WARNING!

DANGER!

SECTION 1 - SAFETY PRECAUTIONS OF FUME & DUST EXTRACTION/COLLECTION

NOT

USE

READ

BEFORE

USE

This manual contains specific cautionary statements related to worker safety. To protect yourself and

others, read this manual thoroughly and follow as directed before use. Not all hazards of fume & dust

control are listed in this manual, and no hazards related to welding, cutting, grinding, painting, deburring

or other applications are listed. Consult a qualified safety professional.

Do not use this equipment:

• To extract combustible dusts, liquid vapors, aggressive fumes such as acids.

• To extract smoke or fumes above 180°F / 82°C.

• If the power cord has been damaged or ground (third prong) removed.

• Without a filter.

This manual uses several

symbols to highlight specific

hazards. Be familiar with

these symbols and when

you see them in this

manual, read adjoining

warning text to avoid the

hazard.

• Dusts from many welding, cutting, grinding, painting, or deburring applications can be combustible.

• Do not use or install equipment where any potential for combustible fumes or dusts are present, until a

qualified person has indicated it is safe to do so.

• Never use or install equipment where the potential for combustible fumes or dusts are present without a

fire/explosion protection system.

• If you are unsure if the product you purchased is correct for your application, call Diversitech at 1-800-361-3733.

• Breathing smoke, fumes, or dusts produced in applications such as welding, cutting, grinding, painting, deburring

are hazardous to user’s health. Proper ventilation or use of well maintained fume extraction and/or dust collection

equipment helps the user avoid these hazards.

• Breathable contaminants may not be visible or have an odor.

• Stop operation and leave the area immediately if 1) breathing becomes difficult, 2) experience dizziness,

impaired vision, 4) or eye/nose/mouth irritation.

• Improper use can be hazardous.

• It is your responsibility to follow all applicable ANSI, OSHA, UL, CSA, National & Local Fire Codes, and other

regulatory guidelines covering the safe use of equipment that extracts fumes, collects dusts, and exhausts

filtered air either indoors or outdoors.

• Before use, inspect the unit for damage and verify it is working properly.

• Only qualified persons should install, operate, maintain, or repair this unit.

• Do not modify or repair the unit with parts or accessories not supplied by the manufacturer.

• Consult filter manufacturer’s instructions for filter use and reuse, including instructions for cleaning.

Model Features Configurations Aplications Includes

•

Open 38” x 30”

worksurface

•

Multi-stage spark

arrestence baffling

•

Industrial

swivel-casters

Welding,

Grinding &

Deburring

Kit

• Side & Back Walls

• Metal Mesh Prefilter

• Grounding Lug

Clean

Air

Workstation

• 48” tall Side & Back Walls

• Dust & vapor proof Light Kit

• Backdraft Hood

•

Open 48” x 32”

worksurface

•

Reverse-pulse filter

self-cleaning

system

•

Multi-stage spark

arrestence baffling

•

Industrial

swivel-casters

VOC

Paint Kit

• Side & Back Walls

• Paint arrestor pre-filter

• Reversible carbon canister afterfilter

Plasma

Cutting

Kit

• Side & Back Walls

• Metal Mesh Prefilter

• 2” Steel bar grating

• Slag collection baffle with ¾” gravel

PLA

DD-2X4

VOC

DD-2X4

CAW

MINI-DD

DD-2X4

WGD

MINI-DD

DD-2X4

MINI-DD

Model

Motor

(H.P.)

Power Avg

Airflow

Pressure

(CFM)

Static

Pressure

(in.)

Avg

Face

Velocity

(FPM)

Cord

Length

(in.)

Noise

@5ft.

(dB)

Phase

(hz)

@120V

(amps)

@230V

(amps)

@460V

(amps)

@575V

(amps)

Portable Downdraft Tables, Single Phase

DD-MINI 1.0 1P/60Hz 12.0 --- --- --- 1200 2.5 250 15 72

DD-2X4 1.5 1P/60Hz 14.2 --- --- --- 1500 4.0 340 15 75

Portable Downdraft Tables, Three Phase

DD-2X4 3.0 3P/60Hz --- 8.0 4.6 3.6 2600 4.0 450 --- 75

SECTION 2 - SPECIFICATIONS

2.1 Model Configurations & Description

2.2 Product Specifications

Model

Exhaust

Diameter

(in.)

Footprint

(in.)

Work surface

(in.)

Table

Height

[f]

Exhaust

[g]

Overhang

[h]

Width

[a]

Height

[C]

Length

[b]

Width

[d]

Length

[e]

Downdraft Tables, Standard Size

DD-MINI --- 31 34.5 39 30 38 34.5 12 8

DD-2X4 --- 49.5 39 32.5 48 32 39.5 10.5 8

DD-2X4 + SSS 8” x 1 60 69.5 32.5 48 32 39.5 10.5 8

Downdraft Tables, extended overhang

DD-MINI-EO --- 31 34.5 45 30 44 34.5 12 12

DD-2X4-EO --- 49.5 39 38.5 48 38 39.5 10.5 12

DD-2X4-EO + SSS 8” x 1 60 69.5 38.5 48 38 39.5 10.5 12

Part

Number

Filter

Media

Filter

Size

Cleaning

Method

Filter

Efficiency

MINI-DD Downdraft Tables

S-MINI-0003 30% Paper-Pleated 20” x 25” x 2” Disposable MERV 8

S-MINI-0017 HEPA 20” x 25” x 4” Disposable MERV 17

S-MINI-0005 Metal Mesh Panel 20” x 25” x 2” Water ---

DD-2X4 Downdraft Tables

S-2X4-20NF Nanofiber 20” Cartridge Compressed Air MERV 15

S-2X4-20PT Spunbond-Poly 20” Cartridge Air + Water ME RV 11

S-CCX-50R Carbon 20” Canister Reusable ---

S-HEP-242412 HEPA 24” × 24” × 12” Disposable MERV 17

S-2X4-0003 Metal Mesh Panel 16” x 25” x 1” w/ flange Water ---

For information on inspecting and cleaning filter, or purchasing replacement filters, contact Diversitech at 1-800-361-3733.

2.3 Filter Specifications

2.4 Dimensions

3.1 To Setup or Install Safely

• Do not place unit near flammables or combustible surface.

• Refer to SECTION 2: Specifications, to know the electrical requirements of the unit you are

installing and ensure adequate input power that is properly sized, rated, and protected.

• This unit must be grounded for safe operation.

3.2 Un-Packaging

3.3 Selecting a Location

• Choose a location where the unit will be used, near the operator.

• Choose a location sufficiently close to a grounded power source.

3.4 Installation

SECTION 3 - SETUP / INSTALLATION

1. Immediately upon receiving the unit, carefully examine the carton for damage during transit.

2. Remove packing material.

3. Avoid tipping or inverting during handling.

4. The item serial number, model, and electrical ratings are listed on the nameplate. Record this information in the

Maintenance Record provided in APPENDIX 2: Maintenance Record, or your own preventative maintenance

system.

• Electrical Connection for units requiring: 1-phase (120V) plug-type connection:

- Your unit may be equipped with a [115V/20A] fitting, requiring a NEMA 5-20R power receptacle.

- See APPENDIX 1A: Electrical Diagram for wiring instructions.

• Electrical Connection for units requiring: 3-phase (230/460/575V) direct connection:

- See APPENDIX 1B: Electrical Diagram for wiring instructions.

- Have a certified electrician install electrical connection according to local regulations.

- All three power leads must be connected to L1, L2 and L3 on the contactor.

- This unit must be grounded for safe operation.

- If on start-up the downdraft table seems to be lacking performance or the table sounds very loud, the motor is

most likely running in the reverse direction. Reversing leads L1 and L3 will reverse motor rotation in the right

direction.

• For units requiring Compressed Air:

- Supply 80-90 PSI of CLEAN, DRY, compressed air to the bulkhead bushing on the side of the unit.

- The air tank in the downdraft table is fabricated to allow a maximum of 90 PSI, DO NOT attempt

to supply air pressure greater than 90 PSI without a properly installed pressure regulator.

- Moisture in airline can damage filter(s); use an air dryer if required.

• Special Installation steps for table options:

- Side & Back Walls Installation – See APPENDIX 4A: Installing Side & Back Walls

- Welding, Grinding, Deburring Packages & Kits

- Plasma Cutting Packages & Kits

- Spray Painting Packages & Kits

4.2 Controls

• Read and understand SECTION 1: Safety Precautions and SECTION 4: Operation before use

• Read and understand all Material Safety Data Sheets and Manufacturer’s instructions of all

process materials, consumables, and equipment used in conjunction with this equipment.

• Keep away from all mechanical moving parts including motor, gears, and other pinch points.

• Do not use product without first confirming if a Spark Arrestor is required and installed for

the type of dust, or fumes you are extracting and/or collection. If you are unsure, call a

Diversitech representative at 1-800-361-3733.

3.5 Preparing Unit for Operation

• Remove all packaging and shipping protection before use, in accordance with SECTION 3.2: Un-Packaging

• Select a location appropriate for use that complies with all safety instructions contained herein, and SECTION 3.3: Selecting a Location

• Confirm installation of correct input power source, compressed air, and any special installation requirements, in

accordance with SECTION 3.3: Installation. Look at the manufacturer’s label located on the exterior of the unit

and ensure the source is correctly sized in terms of Voltage and Amperes.

• Prior to use in your application, turn the unit ON, and perform a function test. To do so:

- Turn switch to ON position

- LOOK: Is the unit level, stable, and that nothing is obstructing the extraction path?

- LISTEN: Does the motor and suction sound smooth and within expected volumes?

- FEEL: Place your hand on top of the unit and sense for unexpected vibration. Place your hand in front of the intake surface and sense for

expected level(s) of suction.

• Inform all potential users of this equipment where they may find and review this manual.

4.1 Operate Safely

SECTION 4 - OPERATION

4.5 DD-2X4 Pulse Filter Cleaning System

4.4 Principles of Operation

• Prior to use in your application, turn the unit ON, and perform a function test. To do so:

- Turn switch to ON position

- LOOK: Is the unit level, stable, and that nothing is obstructing the extraction path?

- LISTEN: Does the motor and suction sound smooth and within expected volumes?

- FEEL: Place your hand on top of the unit and sense for unexpected vibration. Place your hand in front of

the intake surface and sense for expected level(s) of suction.

• Inform all potential users of this equipment where they may find and review this manual.

This product is designed to capture and clean smoke and dust from light & medium duty welding, soldering, and grinding applications. When operating, air

is drawn in through the table surface grating, passes through spark-arrestor baffling, then through the table’s filtration system, and exhausted through

the side exhaust.

This product consists of seven basic components:

1. Protective table surface grating(s)

2. Multi-stage spark-Arrestance baffling

3. Table cabinet

4. Cartridge Filter

5. Motor/Blower Assembly

6. Push-button pulse filter cleaning system

7. Dust Drawer

4.3 Pre-Use Checklist

The DD-2X4 downdraft table is equipped with a pulse filter cleaning system. This system is controlled by a push-button affixed to the left side of the

cabinet. It is recommended that you pulse the unit after every 4 hours of use.

SECTION 5 - MAINTENANCE & TROUBLESHOOTING

5.1 To Maintain this Product Safely

5.2 Tools Required

EYE

PROTECTION RESPIRATOR GLOVES

WASTE

CONTAINER

REPLACEMENT

FILTER

(if required)

• Read and understand SECTION 1: Safety Precautions and SECTION 4: Operation before maintenance.

• Do not breathe the dust collected from product while changing/cleaning filters or performing maintenance on this

product.

• Disconnect power before performing any maintenance on unit, including filter inspection. The input power to this unit is

high voltage, and touching any live electrical parts can cause fatal shocks or severe burns. Do not touch live electrical

parts.

• Keep away from all mechanical moving parts including motor, gears, and other pinch points while operating.

• Operating this unit causes some parts to heat to a point that will burn bare hands. Before maintenance allow parts to

cool, or use proper tools and personal protection equipment during maintenance.

Frecuency Manual Reference

Pre-Use

• Perform pre-use inspection to ensure operating correctly.

• If your application involves grinding, or any process that produces heat/sparks – lift the top grate and visually confirm 4.3

that metal-mesh pre-filters (spark arrestors) are correctly seated on the baffle tray, and that no holes are present.

Every (1) Week or 20 Operating Hours - Empty Dust Drawer/Clean Surface

• Remove and wipe clean surface matting (if used). Remove dust drawer and deposit accumulated

particulate in appropriate waste container. Refer to local regulations regarding disposal procedures as

some captured contaminants may be flammable, explosive, or toxic.

• Particles and stray material on the surface should be blown into the table towards the filter using compressed air. If a cushion grid mat (option) is

used, direct particles into the table using a broom or brush.

Recommended frequency is one week, but may be less or more depending on application and duty cycle.

Every (4) Week or 80 Operating Hours – Inspect/Clean Cabinet

• Remove and wipe down dust drawer, baffle trays, and metal mesh prefilters, depositing

accumulated particulate in appropriate waste container. Refer to local regulations regarding disposal

procedures as some captured contaminants may be flammable, explosive, or toxic.

• Inspect, and clean if necessary the cabinet interior and dust drawer slats.

• Inspect Metal Mesh Prefilter for any holes, or damage caused by hot sparks. Metal Mesh Prefilter can be cleaned by either blowing out with

compressed air, or submerging and washing in warm, soapy water.

As Required – Replace Filter

1. Replace Filter, see SECTION 5.4: Filter Replacement for instruction

Every (12) months Inspect Basic Components

1. Clean unreadable labels and exterior surfaces

2. Cabinet: Check for loose wiring.

Warning

• Do not attempt to clean filters containing hazardous materials; refer to local regulations regarding disposal procedures

as some captured contaminants may be flammable, explosive, or toxic.

• Cleaning cartridge filters with compressed air, water, or solvents can damage/destroy the filter media. Always check the

manufacturer’s instructions and specifications prior to cleaning.

Nanofiber / Paper-pleated filters

• Do not wet or clean the cartridge with any liquid, as it may cause the forming of unwanted blockage on the filter media.

Spunbond-poly filters

• Cleaning should be carried out on water-soluble materials only.

• Hydrocarbons may not be removable.

• The use of solvents may attack certain components of the filter. Consult the instructions and specifications prior to

cleaning.

5.3 Routine Maintenance Schedule

The manufacturer recommends the following routine maintenance based on light-duty use in normal operating conditions. Service more frequently if the

unit is used in severe conditions.

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