Showa Denki CFM-H Series Operation Manual Download | Manualshive

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Introduction

Thank you for buying a Dustrésa dust collector in our CFM-H series.
Showa Denki, as a dedicated manufacturer of blowers and dust collectors, has supplied innovative products
developed by making the best use of its flow and rotary machine expertise. Compact, yet featuring high
performance and low energy consumption, your Dustrésa will serve you for long safe and sound as long as
you follow the instructions in this manual.
It is recommended that you keep the manual on hand for quick reference.

This operation manual provides all necessary information ranging from installation to maintenance about the
following dust collectors:

CFM-H10
CFM-H20
CFM-H30
CFM-H40

Symbols used herein

The symbols and headwords found in this manual respectively have the following meaning:

Warning

If failed to observe the relevant instructions, it could cause death
or serious injury.

Caution

If failed to observe the relevant instructions, it could cause injury
or property damage.

indicates what must not be done.

indicates what requires the use of good care.

indicates what must be done.

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Summary of Contents for CFM-H Series

Page 1: ...YFR013A ST13E Operation Manual for CFM H series Pulsejet Dust Collectors ...

Page 2: ...is recommended that you keep the manual on hand for quick reference This operation manual provides all necessary information ranging from installation to maintenance about the following dust collectors CFM H10 CFM H20 CFM H30 CFM H40 Symbols used herein The symbols and headwords found in this manual respectively have the following meaning Warning If failed to observe the relevant instructions it c...

Page 3: ...piping 7 Hood and connection of the duct 7 Trial operation 7 Chapter 4 Operation 8 Routine operation 8 Caution 8 Differential pressure indication 9 Pulse setting 10 Chapter 5 Maintenance 11 What and when to inspect 11 Maintaining the FR unit 11 Replacing the filter cloth 12 Troubleshooting 13 Specifications 14 Internal wiring diagram 15 Outside dimensions 15 Chapter 6 Warranty 16 ...

Page 4: ...llets and wooden frames used for shipping the product use nails When unpacking the wooden packing materials immediately remove the nails Protruding nails may cause personal injury Before performing the maintenance and inspection work be sure to turn the power off lock the circuit breaker or power distribution panel and post a sign stating that an inspection is underway Take appropriate measures so...

Page 5: ...han that of the motor could be damaged Handle powder dust particles collected by the dust collector correctly according to the national or local governmental regulations in the same manner as disposal parts such as old filter cloths to which powder dust particles are adhered except when reusing them In addition when disposing of a dust collector that is no longer used remove powder dust particles ...

Page 6: ...er surface of filter cloth is shaken off by back washing power produced by compressed air which is momentarily blown from the blow tube mounted on the upper part of the perforated plate against the inner surface of filter cloth Each filter cloth in each filter line is thus cleaned automatically The shaken off dust together with the primarily separated dust is collected in the drawer Pure air Motor...

Page 7: ...ol box Front door Filter cloth Solenoid valve Header tank Differential pressure gauge Switch Blower Baffle plate Air inlet or suction port Drawer Dust chamber door Accessories Connection nipple FR unit Number of solenoid valves selector Pulsejet duration selectors Pulsejet interval selectors Out of use in the current Power supply indication LEDs Fuse Power switch Power supply terminals Output comm...

Page 8: ...duce an electric shock and a product failure No dew condensation at room temperature Ambient temperature 5 C to 40 C Humidity not higher than 80 High temperatures and dew condensation could cause an electric component failure and or an electric shock At low temperatures the compressed air drain solenoid valve could be frozen Horizontal places free from vibrations Unusual vibrations could cause the...

Page 9: ... its normal suction power at all times Put nothing on the outlet Electrical wiring Only qualified persons should work on the electrical wiring of the dust collector pursuant to the Electrical Equipment Technical Standards and the Internal Wiring Regulations Make sure of the machine s power supply as per its nameplate and use what is specified therein Operating the machine on a different power supp...

Page 10: ... the suction air speed in the hood opening vicinity should be designed to be 0 5 m sec or faster Also it is desirable that the airflow in the duct is 15 m sec or higher The duct piping should be air tight with no suction or leakage through the joints Use supports and expansion joints to prevent any direct duct load from being applied on the machine In case a flexible duct is used it should not be ...

Page 11: ...he drawer To put the drawer back into position insert it securely on to its guide so there may be no gap between the drawer and the guide Use care to not attach the dust chamber door upside down See the sketches below Caution Although in case of fine dust a small amount can leak from the dust collector at its start this phenomenon will disappear when dust deposits on the filter cloth overall If ho...

Page 12: ... filter cloth the cloth s blinding levels Although the cloth s differential pressure may vary a great deal depending on its using condition make it a rule to operate the machine at 1 5 kPa or under Generally the filter cloth s differential pressure has the following tendency Filter cloth differential pressure low high Dust amount Small Large Dust grain size Large 50 µ or more Small 10µ or under Du...

Page 13: ...hese settings When the pulse settings are changed toward a lower filter cloth pressure compressed air consumption will increase So the amounts of change should be minimised To change the pulse pressure lift up the handle on top of the FR unit and turn it The pulsejet duration on and the pulsejet interval off can be changed by operating the pulsejet selectors switches on the pulse control panel in ...

Page 14: ... vibrations or noise Air piping No leakage Blower impeller Once a month No dust deposition or wear Anchor bolts No loosening Filter cloth application Cloth must not come off loosen or damage Joints No loosened bolt or air leak FR unit No filter blinding Electrical wirings No poor insulation or loosened terminal Inside of the machine One a year Clean the components of adhered dust Machine body No c...

Page 15: ...cloth retainer should be mounted with the bends at its two sides facing down 4 To mount the cloth retainer put the retainer on the guiderail and securely push it to the back side 5 Fasten the wing bolts until the gaskets of the filters closely contact with the retainer 6 Mount the front door in position Use our genuine filter cloths for replacement Replacement filter cloth size and quantity Model ...

Page 16: ... Open the damper Clear deposit from the piping See the following item Please make piping branch only on one side of suction port and pipe it again Filter cloth blinding Insufficient pulse pressure Pulse intervals too long Filter cloth s life Adverse dust attributes Increase the pulse pressure to max 0 7 MPa Shorten the pulse intervals Replace the cloth with a new one Effective measures should be t...

Page 17: ... cloth material Polyester moulded Noise level dB A Note 1 62 68 68 71 Compressed air consumption L min Note 2 40 50 60 80 Drawer capacity L 28 39 32 2 drawers 65 2 drawers Product mass kg 179 218 281 392 Note 1 The noise levels were measured at 1 5 meters apart from the machine s front after installation of the suction duct piping The levels may vary depending on the environment and condition of u...

Page 18: ...250 CFM H40 1160 1060 1640 250 160 570 42 1240 250 Power cable 3 m Power supply Power supply Pulse control board VXFC06A SMC Pulse control board VXFC06A SMC Solenoid valve VXD2150 06 2G SMC Solenoid valve VXD2150 06 2G SMC SV1 SV2 SV3 SV4 SV1 SV1 SV1 M M Blower motor CFM H40 5 5kW 2P Blower motor CFM H10 1 5kW 2P CFM H20 2 2kW 2P CFM H30 3 7kW 2P W V U W V U T S R R S T CFM H10 CFM H20 H30 Motor b...

Page 19: ... that specified or the like Failure or damage due to repair or modification including punching etc in the product not conducted by our company Failure or damage due to the use of parts other than those designated by our company Trouble when I absorbed the dust except the meeting and the damage The trouble that damage of the filter cloth and the packing that happened by having absorbed a sharp mate...

Page 20: ...own caused by different wrong use from this manual and improper repair or remodeling Business Promotion Dpt 1 25 Shinden Kita machi Daito city Osaka Japan 574 0052 Tel 81 72 870 5708 Fax 81 72 870 7243 Email sales showadenki co jp http www showadenki co jp ...

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