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USER MANUAL For the Weathermaster and Extract Fan Models WM

1. MAINTENANCE In general this series of units require very little maintenance All fan bearings are supplied fully greased and lubricated In the unlikely event of failure then a new motor kit should be fitted We would however advise the following periodic checks Filters Filters should be inspected regularly every three months If they are found to be heavily soiled or damaged they should be replaced Spares for all units are held in stock at the VES factory Impellor cleaning At approximately six monthly intervals the impellor should be cleaned using a vacuum cleaner and a soft brush Failure to clean the fan from time to time will result ina loss of performance or cause it to become out of balance Dampers Clean blades cogs and frames and lubricate with a PTFE aerosol lubricant or equivalent Failure to keep dampers clean could result in the damper becomming jammed Paint Finish Every twelve months check all painted surfaces to ensure they have not deteriorated particularly where adverse environmental conditions prevail Repaint if necessary to the required standard Page 8 SPARES Spares or direct replacements using improved components are normally off the shelf and will be held in stock for all units in the series for a minimum of 10 years We would recommend that a spare motor pack be held for those units which are installed in critical areas or for units that have to run on a continuous basis To obtain a spar
2. EN 292 2 EN 294 EN 50082 EN 60204 1 The National Standards applied in particular are BS 848 Part 1 Basis of self attestation Quality Assurance to ISO 9001 2000 BSI Reg Firm Cert No Q5375 od Ve Position of Signatory Technical Director Signature of Manufacturer Page 10 Warranty Extended Warranties All VES Andover Products come with a one year guarantee from date of dispatch which covers parts and labour You can now extend this with the following options Option 1 FREE extended Warranty We can offer you a maintenance agreement that keeps this equipment in tip top condition If you take out this agreement we will extend the warranty free of charge for up to 5 years providing the regular maintenance agreement remains in place Option 2 12 24 Month Extended Warranty 12 24 months from the date of dispatch This can be covered at a cost of just 3 of order value minimum charge 50 00 Option 3 12 36 Month Extended Warranty 12 36 months from date of dispatch For this cover the charge is 6 of order value Minimum charge 80 Please State which option you require when you place your order A transferable certificate will then be issued to you Please note this offer excludes condensing units We would be happy to quote you for these separately Register for separate spares reminders and get a 10 discount Register for this free service and we will automatically send you a regular re minde
3. be maintained or the thermal overload will trip and will have to be reset manually To remove the electric heater battery first remove the terminal box cover this will give you access to the set screws holding the main battery Speed controllers If a speed controller is fitted to the system it must not switch off the fan independent of the control system or allow the air flow to fall below the stated volume on the electric heater battery Thermal Cutout Every heater is fitted with a thermal cutout which will break contacts when the duct temperature rises above 130 C see checking notes above This type is provided to comply with M amp E specifications and will require removal of the terminal box cover to reset Supply must be isolated before removing cover Maximum switching 12A single pole Page 7 Control System A suitable control system should be provided and should include a timer to keep the fan running for two minutes after the system has been shut off The standard VES Andover CPEH panels are designed for easy operation and connection to all VES electric heater batteries Standard heaters are suitable for 1ph or 3ph control with neutral connection Connections A 20mm conduit hole is provided in the electric heater terminal box N B Terminal pillars are fitted to element studs and care should be taken not to strain studs which could damage the element permanently Always fit an isolator for maintenance of heater
4. VES Ref I D 172 Issue D Oct 2007 ZZ Andover USER MANUAL For the Weathermaster and Extract Fan Models WM W WM E WS WE This manual must be read in full before installation operation and maintenance of the units supplied PLEASE ENSURE THAT THIS INSTRUCTION DOCUMENT IS PASSED ON TO THE USER OF THE UNIT BSI BSRIA Member VES Andover Ltd Eagle Close Pen WEEE Directive Chandlers Ford Ind Est V At the end of their useful life the packaging and product Chandlers Ford D 4 should be disposed of via a suitable recycling centre Eastleigh oN Do not dispose of with normal household waste Hampshire Do not burn S053 4NF Tel 08448 15 60 60 Fax 02380 275696 VES Andover Ltd 2007 E mail vesltd ves co uk No part of this publication may be photocopied or otherwise reproduced www ves co uk without the prior permission in writing of VES Andover Ltd INDEX INSPECTION ON RECEIPT OF GOODS SAFETY INSTALLATION UNITS WITH HOT WATER COILS ELECTRIC HEATER UNITS MAINTENANCE SPARES AFTER SALES SERVICE DECLARATION OF CONFORMITY WARRANTY All details correct at time of going to press We reserve the right to alter specifications without notice E amp 0 E Page 2 10 11 INSPECTION ON RECEIPT OF GOODS Immediately on receipt of any unit check carefully for possible damage in transit paying particular attention to heating coil connections motor shaft and impeller and flexible connections Please al
5. and supplied Winter Conditions It is important that water coils are pro tected against damage from frost during winter A frost stat should be installed before the coil to instigate hot water flow through the coil or shut the inlet damper if one is fitted Air vents and drains are not supplied fitted to the coils These should be fitted during installation in the pipework adjacent to the coil Should the coil be at a high point in the system it should be regularly vented as air locking will progressively reduce the coil output Overheating It is esential that a run on timer is installed for the fan so that when the system is shut down the residual heat radiated by the heating coil is dissipated to avoid damage to the motor The hot water supply should be piped to flow to the bottom connection and outlet via the top connection Return Steam Coils Steam coils are suitable for use with saturated steam up to 100 psi The pipework shall be so arranged to provide adequate drain lines with suitable strainer and steam trap All steam and drain lines should be lagged The supply shall be taken from the top of the steam main to avoid the introduction of moisture or air into the coil The pipe shall be so arranged so that it does not interfere with coil expansion Where steam coils are fitted it is essential that a time delay is installed in the fan starter control circuit The fan shall be kept running for at least two minutes after the co
6. e motor kit please advise our Sales Department of the type of unit for which the kit is required This can be obtained from the unit name plate Recommended Spares A list of spares recommended to be held for a specific unit is available if required Please contact our Sales Department quoting the unit type and S O No both of which are obtainable from the unit name plate Filters Replacment filters are available off the shelf These are sold in boxes of 10 Contact our Sales Department AFTER SALES SERVICE The VES Customer Service Department can undertake a maintenance check on air handling units as follows Replace Replace filters Flexible connections Check operation of A V mounts Replace missing fasteners Report Prepare a report on the the condition of fan and motor bearings cleanliness of coils condition of A H U case with special regard to leakage and corrosion Please contact the VES Service Manager for scale of charges Page 9 Declaration of Conformity Date 27 Nov 2002 Product Weathermaster and Extract Fan models Type WM W WM E WS WE Manufacturer VES Andover Limited The product above is produced in accordance with EC Council Directives 89 392 EEC in the version 93 44 EEC Machinery Directive 89 336 EEC and amendment 92 31 EEC Electromagnetic Compatibility Directive 73 223 EEC and amendment 93 68 EEC Low Voltage Directive The European Harmonised Standards applied are EN 292 1
7. ils have been shut off so that the residual heat is dissipated If the pipe run is unduly long and prone to water logging it should be properly trapped just before the coil If the steam is from a high pressure steam main it is essential to have a working pressure valve on the low side to ensure that dangerous overheating of the air and excessive pressure cannot occur DX and Condenser Coils These must be connected to the systems in accordance with accepted refrigeration codes of practice and if fitted upstream to steam or water coils care must be taken to ensure that the air temperature does not drop to below 0 C STEAM COIL DIRECT EXPANSION COIL Liquid In Gas Out Condense Out Drain Page 6 ELECTRIC HEATER UNITS WM E units contain electric heater batteries and the following should be checked 1 Supply to the heater should be 1ph or 3ph with separate neutrals refer to name plate 2 Cables should be silicone ruber fibreglass or similar high temperature insulated type and be installed to current E E Regulations 3 The heater is fitted with manual reset high temperature cutout which has N C normally closed terminals This must be connected in series to the main contactor coil circuit to isolate the heater in the event of over temperature i e air flow fialure 4 Ensure that there is sufficient earth connection to the terminal provided The minimum air volume as stated on the unit name plate must
8. personnel precautions should be taken to prevent such an injury It is the responsibility of the installer to ensure that the installation complies with the legal regulations and the current Health and Safety at Work Act Page 3 INSTALLATION The Weathermaster units and silencers are designed to fit directly to propriety 20 30 mm Mez Flanges Silencers are sup plied loose Ensure that they are fitted the right way round Chan nel bases with AV s and feet are supplied fitted all other compo nents are supplied loose but are easily assembled using the fastenings supplied Access The lids of all WM units are removable to allow ac cess for installation and servicing Voltage Do not connect any unit to an electrical supply voltage outside of that indicated on the motor or fan unit name plate Duct Connection Do not support ductwork from any Weathermaster unit Rotation Direction of Rotation Proper performance will occur if the impeller is rotating in the correct direction Refer to the diagram for appropriate Motor fan to ensure correct working details Direction bi Rotation which then result in the correct for centrifugal fans direction of rotation Page 4 UNITS WITH HOT WATER COILS The Weathermaster WM W units contain hot water coils with two rows of copper tubes expanded into aluminium fins They are suitable for low pressure hot water at 82 C flow 71 C return temperatures unless otherwise specified
9. r detailing the consumable spares for this unit together with their current list prices You will then be entitled to a 10 discount off any spares To arrange any of these options Phone 08448 15 60 60 or Email spares ves co uk Stating the sales order and reference number from the unit Page 11
10. so check unit to ensure that ancillary items are included these will normally be packaged inside the unit In the event of any damage having occurred or any item is found to be missing it is essential to inform VES Andover Ltd WITHIN 7 DAYS of delivery quoting S O No and unit type from its nameplate After this period we will be unable to accept any claim for damaged or missing goods SAFETY When installing or using our products the following precautions must be taken Electrical Wiring All electrical connections to any unit must be carried out in accordance with the current edition of the I E E Regulations and only competent electricians should be allowed to effect any electrical work to our units 1 Before attempting to carry out any maintenance work or repair work on our units the unit MUST BE COMPLETELY ISOLATED from its electrical supply This is particularly important for units with an electric heater battery Once the access panels have been removed there is danger from exposed live elements 2 If it is necessary to carry out any assembly operations before installing the unit ensure that all fastenings are tightened securely 3 The security of fastenings and the integrity of components should be checked regularly as part of the routine maintenance operation Particular attention should be paid to the impeller fixing to the shaft 4 Where a unitis installed so that a failure of components could result in injury to

USER MANUAL For the Weathermaster and Extract Fan Models WM

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