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COLASIT AG 

Plastic construction 

CH-3700 Spiez 

 

Phone +41 (0)33 655 61 61   Fax +41 (0)33 654 81 61 

TD-000 802-E 
Edition 10/2019, Subject to alteration 
Copyright by COLASIT AG Spiez 
 

Page 18 

16 

Assembly instructions 

 

16.1 

Assembly instructions CMHV 900

–1250 with direct drive 

 

 
 
 
 

1.  Screw individual parts of fan support together. 

Fit motor on support. 

 
 
 
 
 
 
 
 

2.  Fit rear panel to support. Slide impeller onto shaft. 

 
 
 
 
 
 
 
 
 
 
 
 

   

 

  3. Screw housing to rear panel. 

 
 
 
 
 
 
 
 
 
 

4.  Screw bracket to base frame. 

Fit housing brace at front and rear. Position impeller, tighten and 
fit hub cap. 

 
 
 
 
 

 
Dismantling in the same way but in reverse order 

Summary of Contents for CMHV 1000

Page 1: ... 2019 Subject to alteration Copyright by COLASIT AG Spiez Page 1 OPERATION MANUAL CMHV 900 1250 High efficiency medium pressure Plastic industrial fan Agent For use in Ex zones Not for use in Ex zones COLASIT AG Faulenbachweg 63 CH 3700 Spiez Tel 41 0 33 655 61 61 Fax 41 0 33 654 81 61 info colasit ch www colasit ch ...

Page 2: ...t deserves your full attention please read it carefully The contents of this operating manual are subject to change without notice in order to take technical progress into account The manual contains icons that appear in the margin and indicate special dangers and important instructions Very important note Universally applicable warnings which concern your personal safety Indicates electrical dang...

Page 3: ... EMERCENCY STOP 9 5 Operation 10 5 1 Safety instructions 10 5 2 Putting out of operation 10 6 Maintenance repair cleaning 10 6 1 Preparation 10 6 2 Performance 11 7 Spare parts 12 8 Operating instructions 13 9 Logbook 13 10 Disposal 13 11 Troubleshooting 13 12 Retrofittable original accessories 14 13 Fan identification 15 Part 2 Units 15 14 Design and function of the CMHV 900 1250 15 15 Dimensiona...

Page 4: ...rator has notified us of the gas mix and the maximum operating temperature the suitability and any applicable restrictions will be confirmed in the data sheet of COLASIT AG In the absence of a written notification with regard to the extracted medium by the principal the operator is responsible without limitation for assessing the suitability for the operation of the ventilator 1 1 Definition The t...

Page 5: ...er damage nor that the fan will cause any damage 1 5 Personnel qualifications The fan may only be put into operation handled operated maintained and cleaned by trained personnel who are authorised and competent to carry out such work The personnel must possess the appropriate skills needed to operate the fan and be familiar with the effects of the reactions caused by the fan The personnel qualifie...

Page 6: ...operation It may only be put into operation again when the safety devices are fully functional again Overpressure If the fan is operated in overpressure conditions with normal seals there is a danger of gas escaping For operation in overpressure conditions special seals must be fitted Electricity When any work is carried out on the fan the electric motor must be deenergised and secured to prevent ...

Page 7: ...ong as the fan including all parts belonging to it or equipment connected to it has not been installed and checked out and until the operating manual has been read completely before commissioning We stipulate that the fan may only be put into operation when the safety inspector has given his approval He is obliged to record this approval in a protocol The disregard of these stipulations constitute...

Page 8: ...regular intervals to exclude the risk of condensate forming Before switching on unscrew the condensate drain plugs each time and replace them afterwards Store the fan in a dry weather protected place and cover with a tarpaulin to protect it from dust and soiling If stored for over one year test whether the fan bearings rotate freely before putting into operation 3 Installation configuration Before...

Page 9: ...or minutes have to be taken on the commissioning work including the observance of the check list 4 2 Drive The fan is driven by an electric motor which is connected to the impeller shaft either directly or via a V belt The motor electrical specifications are indicated on the motor s rating plate or in the motor manufacturer s data sheet When speed is controlled by means of a frequency converter th...

Page 10: ...ized intervention can be carried out The safety officer must decide on issues regarding supervision 5 2 Putting out of operation An internal process instruction must regulate the work to be carried out as well as the preparatory work for putting back into operation e g cleaning 6 Maintenance repair cleaning 6 1 Preparation Before any work is carried out on the fan the fan must be set to its safety...

Page 11: ... minimum 1 of intake diameter maximum 20mm Measure the vibrations at bearings KA or motor DA Alarm according to ISO 14694 3 7 kW categorie BV 2 14 0 mm s r m s or 300 kW categorie BV 3 11 8 mm s r m s Check the safety devices e g splinter protection or intake grating for condition and function Check the stands for damage and stability Check all screw unions for firm seating Normally the bearings a...

Page 12: ...e and as a result to vibrations with undesirable side effects If vibration occurs switch the fan off immediately Contamination and encrustations should be removed with a soft tool without damaging the surface e g with a wooden spatula or scraper If possible use water and a household cleaning agent Solvents can corrode the material These may only be used with the written consent of COLASIT To carry...

Page 13: ...date and your signature Start and end of a work cycle Special events even if they do not concern the fan itself e g power failure alarm Change of supervision staff e g in case of shift operation Repairs carried out and spare parts installed Putting out of operation Special instructions etc 10 Disposal Before disposing of plastics and other components complete or as broken parts please clean them a...

Page 14: ...peed Electrical switching mechanisms incorrectly adjusted Check motor protection setting and reset if necessary Motor winding defective Please consult the manufacturer Drive motor drive not correctly designed Please consult manufacturer to verify starting torque Grinding noises when fan is running or starting Intake duct fitted under tension Remove intake duct an realign Rise in temperature of rol...

Page 15: ...on 4 Fan specifications fan type casing design material of casing and impeller order number and date of manufacture 5 Technical specifications Part 2 Units 14 Design and function of the CMHV 900 1250 All impellers in this series are balanced to better than Q 6 3 according to ISO 21940 The casing with its thermoplastic rear panel is screwed onto the support base and can be easily dismantled for ins...

Page 16: ... 1000 D 900 1000 1120 1250 Ød 900 1000 1120 1250 E 1081 1197 1347 1405 F 907 1007 1133 1155 G 1255 1387 1561 1655 H 0 1250 1400 1600 1800 H 45 1250 1400 1600 1600 H 90 1250 1250 1400 1400 H 135 1250 1250 1250 1400 H 270 1600 1800 2100 2100 H 315 1400 1600 1800 1800 I 1000 1100 1220 1350 J 560 630 710 800 K 810 900 1000 1100 L 1475 1520 1570 1620 M 1100 1100 1100 1100 N 772 772 772 772 P 50 50 50 5...

Page 17: ...250 Ød 900 1000 1120 1250 E 1081 1197 1347 1405 F 907 1007 1133 1155 G 1255 1387 1561 1655 H 0 1250 1400 1600 1800 H 45 1250 1400 1600 1600 H 90 1250 1250 1400 1400 H 135 1250 1250 1250 1400 H 270 1600 1800 2100 2100 H 315 1400 1600 1800 1800 I 1000 1100 1220 1350 J 560 630 710 800 K 810 900 1000 1100 L 1665 1710 1760 1810 M 1100 1100 1100 1100 N 772 772 772 772 O 1475 1520 1570 1620 P 50 50 50 50...

Page 18: ...embly instructions 16 1 Assembly instructions CMHV 900 1250 with direct drive 1 Screw individual parts of fan support together Fit motor on support 2 Fit rear panel to support Slide impeller onto shaft 3 Screw housing to rear panel 4 Screw bracket to base frame Fit housing brace at front and rear Position impeller tighten and fit hub cap Dismantling in the same way but in reverse order ...

Page 19: ...ge 19 16 2 Assembly instructions for CMHV 900 1250 with V belt drive 1 Screw individual parts of fan support together Fit bearing units and shaft on support Fix motor to support 2 Fit rear panel to support Slide impeller on drive shaft 3 Screw housing to fan rear panel 4 Screw bracket to base frame Fit housing brace at front and rear Position impeller tighten and fit hub cap ...

Page 20: ...0 33 655 61 61 Fax 41 0 33 654 81 61 TD 000 802 E Edition 10 2019 Subject to alteration Copyright by COLASIT AG Spiez Page 20 5 Fit V belt protection panel and V belt drive 6 Mount V belt and shaft protection Dismantling in the same way but in reverse order ...

Page 21: ...ubject to alteration Copyright by COLASIT AG Spiez Page 21 17 Spare parts lists 17 1 Spare parts list for CMHV 900 1250 with direct drive 1 Base frame 2 Support construction 3 Motor plate and hub cap 4 Motor 5 Front steel plate 6 Round steel plate 7 Back plate 8 Impeller with Taper Lock bushing 9 Casing 10 Support bracket ...

Page 22: ...IT AG Spiez Page 22 17 2 Spare parts list for CMHV 900 1250 with V belt drive 1 Support 11 V belt protection steel plate 2 Rear panel 12 Motor 3 Impeller 13 Shaft protection 4 Casing reinforcement back 14 V belt pulley complete 5 Casing 15 V belt 6 Casing reinforcement front 16 V belt protection 7 Support bracket 8 Sliding rails 9 Pedestal bearing unit 10 Shaft ...

Page 23: ... aux normes ou aux documents normatifs suivants referred to by this declaration is in conformity with the following standards or normative documents Bestimmungen der Richtlinie Désignation de la directive Provisions of the directive Titel und oder Nummer sowie Ausgabedatum der Norm en Titre et ou numéro ainsi que date d émission de la des norme s Title and or number and date of issue of the standa...

Page 24: ...to alteration Copyright by COLASIT AG Spiez Page 24 18 2 Further certificates This operating manual has the following certificates enclosed Datasheet of the fan If ATEX version additionally ATEX Certification Inspection report for fan see 19 2 ATEX Certification Inspection report for electric motor if this was supplied by COLASIT ...

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