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Table of Contents
Summary of Contents for EXHeat MFH T4
- Page 1 Installation, Operation & Maintenance Instructions Manual MFH Portable Air Warmer...
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Page 2: Table Of Contents
11. General Arrangement Drawings ..............21 12. Wiring Diagrams ....................22 13. Routine Maintenance Inspection Record ............25 EXHEAT Industrial can provide versions of this manual in German, French, Italian, Spanish, Portuguese, Polish, Chinese and Russian. These versions can be requested support@exheat-industrial.com... -
Page 3: Contact Details
1. Contact Details Sales Enquiries EXHEAT Industrial Ltd Threxton House Threxton Road Industrial Estate Watton, Thetford Norfolk, IP25 6NG Tel: +44 (0) 1953 886 210 Fax: +44 (0) 1953 883 853 Email: sales@exheat-industrial.com Website: www.exheat-industrial.com Technical Support EXHEAT Industrial Ltd... -
Page 4: Description Of Equipment
Ex tb IIIC T200°C – T135°C Db Ex db eb IIB+H2 T3-T4 Gb Ex tb IIIC T200°C – T135°C Db Certificate No: Certificate No: ITS 17 ATEX 101743 X IECEx ITS 17.0012 X The Heater Range MFH T4 MFH T3 Voltage Duty Voltage Duty 2.5kW 5.5kW 2.75kW... - Page 5 Materials of Aliphatic Polyamide (PA66) with EMI Construction Casing shielding offering excellent resistance to Hydrocarbons Hard Anodised Aluminium offering great Flameproof Enclosure corrosion and wear resistance suitable for both onshore and offshore applications. Stainless Steel fitted with Silicone Sponge Increased Safety Enclosure gaskets.
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Page 6: Preservation And Storage Instructions
Suitable preservation materials, such as silica gel bags or equivalent, have been placed inside the packaging and inside the enclosure. Additionally, spare silica gel bags, or equivalent, can be purchased by contacting EXHEAT Industrial Ltd. CAUTION – The following preservation instructions must be adhered to, failure to do so could result in the equipment warranty being invalidated: •... -
Page 7: Pre-Installation Instructions
Unpacking • Carefully remove the packaging from each product and check for damage. Immediately report any damage to EXHEAT Industrial Ltd (please keep this IOM and the additional certification booklet for future reference). • Remove the heater using the handle provided and place on the ground, remove any optional extras from the box and discard the packaging responsibly. -
Page 8: Power Supply
30 seconds. • Should the product fail this test, please contact the technical help via our website: www.exheat-industrial.com/contact/support • Before connecting any supply cables, ensure that the incoming power supply conforms to the specified voltage on the products nameplate at a nominal variance of +/- 5% of the specified voltage. -
Page 9: Installation Instructions
+/- 5% of the specified voltage. • No additional cable entries are to be made within the terminal box. Only EXHEAT Industrial Ltd. can facilitate this. No alterations are permitted to the factory installed wiring. - Page 10 Electrical Supply Connection with Optional Local Isolator fitted. • Refer to the wiring diagram in Section 12. • Cable entry to the optional local isolator is via 1 off pre drilled M32x1.5p hole and fitted with a temporary plastic plug. Remove the plug and install the cable and gland as per manufacturer’s instructions.
- Page 11 Warnings • No additional cable entries are to be made within the terminal box. Only EXHEAT Industrial Ltd. can facilitate this. • No alterations are permitted to the factory installed wiring.
- Page 12 Earth Connections WARNING – These heaters MUST BE EARTHED. • When fitted with the optional local isolator, the Client internal earth cable connection on the MFH heater is inside the Isolator Enclosure. Connection is made by the use of an M6 earth bolt (fitted) with proprietary cable ring crimp (Client supplied). Maximum cable size is 25mm².
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Page 13: Operating Instructions
Ensure that any special conditions for safe use detailed on the Hazardous Area Certification are complied with (see additional certification booklet supplied with this product). • Any modification not carried out by EXHEAT Industrial Ltd will invalidate certification and warranty. 6. Operating Instructions Page 12 of 28... - Page 14 CAUTION – There is the potential for electrostatic discharge and as such, painted surfaces should only be cleaned with a damp cloth. Operating Instructions • The heater is to be used to raise the temperature within a room or local area, by operating at its rated voltage and duty when required.
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Page 15: Maintenance Instructions
The following preventative maintenance should be carried out at the intervals shown below, for any replacement parts, please contact EXHEAT Industrial Ltd. Compliance with these maintenance instructions is a mandatory requirement. Documented evidence must be maintained in the form of a signed checklist. Copies of completed checklists and records will be required in the event of a warranty claim. - Page 16 • Check the impeller blades for signs of damage, and that there is at least 2mm of clearance to the casing and the guard. Any damage should be reported to EXHEAT Industrial Ltd and the heater taken out of service.
- Page 17 EXHEAT Maintenance If you are unable to complete any of these maintenance checks, please contact EXHEAT Industrial Ltd to arrange for any of the relevant maintenance work to be undertaken.
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Page 18: Special Conditions For Use
• Only EXHEAT Industrial Ltd supplied parts may be fitted to the heater, this includes bracketry and ducting. 8. Special Conditions for use Page 17 of 28... -
Page 19: Fault Finding, Correction And Spares
If an imbalanced reading is check the resistance values found, or an infinite value, of each phase. contact EXHEAT Industrial Ltd. Immediately isolate the heater from the power supply. Check the ambient has not Undertake a 6 monthly exceeded 40°C. - Page 20 Spares (Anything not mentioned below will require the unit to be sent back to manufacturer) Meantime Between Estimated Replacement Spares Lead Failure Type Failures Time Time Replacement Feet When Required 10 minutes 1 week Impeller When Required 45 minutes 1 week RTD Temperature When Required 60 minutes...
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Page 21: Coshh Statement
10. COSHH Statement Health and Safety Information There are no hazardous or toxic substances applied with this order as defined in COSHH (control of substances hazardous to health) regulations (2002). 10. COSHH Statement Page 20 of 28... -
Page 22: General Arrangement Drawings
11. General Arrangement Drawings Fig 11.1 General arrangement drawing for both T3 and T4 MFH heaters when fitted with the optional local isolator. 11. General Arrangement Drawings Page 21 of 28... - Page 23 FAN ROTATION Fig 11.2 General arrangement drawing for both T3 and T4 MFH heaters when not fitted with the optional local isolator. 11. General Arrangement Drawings Page 22 of 28...
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Page 24: Wiring Diagrams
12. Wiring Diagrams Fig. 12.1 Single Phase element wiring Diagram. Fig. 12.2 Single Phase Ex e enclosure, terminal wiring Diagram. Connections to be made in accordance section 5 of this IOM. 12. Wiring Diagrams Page 23 of 28... - Page 25 Fig. 12.3 Three Phase element wiring Diagram. Fig. 12.4 Three Phase Ex e enclosure, terminal wiring Diagram. Connections to be made in accordance section 5 of this IOM. 12. Wiring Diagrams Page 24 of 28...
- Page 26 Fig. 12.5 & 12.6 Wiring diagrams for single phase and three phase MFH heaters fitted with the optional local isolator. 12. Wiring Diagrams Page 25 of 28...
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Page 27: Routine Maintenance Inspection Record
13. Routine Maintenance Inspection Record EXHEAT Industrial Ltd Threxton House Threxton Road Ind. Est. ROUTINE MAINTENANCE Watton, Thetford, Norfolk INSPECTION RECORD IP25 6NG, United Kingdom Tel: +44 (0) 1953 886 210 MFH Fan Assisted Heater Fax: +44 (0) 1953 883 853 www.exheat-industrial.com... - Page 28 ® © Copyright EXHEAT Industrial Ltd Fifth Edition (March 2018) Author: J. Brown MFH-IOM_English Refer to EXHEAT Industrial Ltd website for latest edition. (www.exheat-industrial.com/product) 13. Routine Maintenance Inspection Record Page 27 of 28...
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