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AL SERIES INSTALL OPERATION MAINTENANCE MANUAL

6.0 SERVICE AND MAINTENANCE

WARNING!

Aira AL units require electrical and plumbing trades to service all aspects of the unit. Servicing should

be carried out by a qualified Seeley International Service Technician, appointed Aira service agent or appropriately

qualified trades persons. If unsure about any servicing or maintenance aspect of the unit, immediately stop work and

contact Seeley International for assistance.

Aira units are often manufactured to exact customer specifications. When ordering spare parts, the unit serial number

must be used to ensure the correct components are supplied.
When working on the heat exchanger section care must be taken to ensure all parts have sufficiently cooled before

commencing any service or maintenance activities.

Appropriate PPE should always be worn which includes but is not limited to safety glasses, hearing protection

and gloves. Additional site requirements may require additional PPE, especially when working on roof tops or in

commercial/industrial facilities.

Any maintenance required by Australian Standards shall be carried out at required intervals.

Table 5: Inspection and Service of Major Components is the minimum recommended inspection and service schedule.

A detailed service schedule and Maintenance checklist can be found in Appendix C. Appendix C also contains a

monthly checklist for the owner

Component

Minimum Inspection and Service Schedule

Belts

Quarterly visual inspection/ 6 monthly thorough inspection

Pulleys

Quarterly visual inspection/ 6 monthly thorough inspection

Motor

In accordance with manufactures specifications

Cooler Maintenance

Every 3 Months

Table

: Inspection and Service of Major Components

6.1 COOLER MAINTENANCE

6.1.1 Cooler Maintenance

THIS SECTION DETERMINES THE LIFE SPAN OF THE COOLER

Turn off electric power supply following LOTO procedures. Isolate the water supply to the unit.

Remove pad assemblies as per 3.5.6 Cooling Pads

Check condition of Pads – use a hose to clean dirt off pads. Do not use excess water pressure as this may make

holes in the pads. If pads are to be replaced obtain replacement pads from the manufacturer. Replacement pads

are made to order.

4. Drain the unit via the drain or auto drain valve if installed and clean out the internal tray of the unit ensuring all

foreign debris is being removed. De-isolate the water supply to the unit and confirm that the float valve stops flow

at the required level.

DO NOT

add any biocides to the water tray after filling.

Check condition and tension of fan belt/s. Adjust and/or replace as necessary.

Re-grease fan shaft bearings.

Check pump operation and that bleed-off is operating correctly and not blocked.

Refit pad frames and start up unit in accordance with operating instructions.

De-isolate the electrical power and run the unit to confirm that pads are sufficiently saturated. Adjust if necessary.

MAINTENANCE

AMI055-A

Содержание Aira AL Series

Страница 1: ...INSTALLATION AND OPERATION AL SERIES EVAPORATIVE COOLER OR MODELS Original English Instructions AMI044 A ...

Страница 2: ......

Страница 3: ...aturation 24 4 7 Commissioning Results 24 OPERATING INSTRUCTIONS 5 1 Startup Single Speed To Provide Cool Air 25 5 2 Startup Single Speed To Provide Ventilation 25 5 3 Shutdown Single Speed Providing Cool Air 25 5 4 Shutdown Single Speed Providing Ventilation 25 5 5 Startup Dual Speed To Provide Cool Air 25 5 6 Startup Dual Speed To Provide Ventilation 25 5 7 Shutdown Dual Speed Providing Cool Air...

Страница 4: ...2 ...

Страница 5: ...o ensure they are familiar with relevant State and Federal legislation such as Acts Regulations approved Codes of Practice and Australian Standards which offer practical guidance on these health and safety issues Compliance with these regulations will require appropriate work practices equipment training and qualification of workers Seeley International provides the following information as a guid...

Страница 6: ... turn off the unit at the wall switch and then isolate the power and water supply The unit should remain isolated until a qualified service technician has inspected the unit and resolved any issues 1 1 9 Safety Points to Consider What is the best and safest access to the roof and or work areas If a worker is alone who knows they are there and if they get into difficulty how can they summon help Ca...

Страница 7: ... present will remain dormant and cannot multiply The following maintenance schedule is required to be followed in order to comply with the New South Wales Public Health Act 1991 section 46 a Sumps are to be drained and cleaned at three monthly intervals or more frequently if necessary b Wetted pads are to be drained and cleaned at three monthly intervals or more frequently if necessary c Water str...

Страница 8: ...tely reported to the shipper of the goods The unit has been factory tested to check for correct operation of all components If any part is obviously missing or damaged notify the supplier immediately 2 3 FACTORY UNIT TEST All AIRA coolers are given a factory unit test which covers the function test and checks of the safety system including Blower fan operation Electrical wiring 2 4 MODEL DESIGNATI...

Страница 9: ...ing 14 000L s of air could evaporate 2 5 x 140 350L of water per hour of operation The water bleed off rate must be added to this in order to calculate the total operating water flow rate 2 5 7 Relief Area Calculation Evaporative air coolers always run on 100 fresh outside air Always ensure adequate relief is available via open doors and or windows Allow approximately 0 4m per 1000L s of supply ai...

Страница 10: ...o remove water from the unit It is the installers responsibility to ensure that the drain is adequately sized to accommodate the unit The local drains shall be sufficient to remove the excess water required to clean out the unit as required GENERAL INFORMATION ...

Страница 11: ...fore installation it is the customers responsibility to ensure that the water and electrical supply required by the unit is available and that the building structure is sufficient to support the load of the operational unit and service and installation personal Isolation of the water and electrical supplies to the units shall be accessible and identifiable at all times INSTALLATION INFORMATION ...

Страница 12: ...3 A ISO B A 113 113 110 8 110 8 X Y A C D H G G E C 113 113 B I J B A 113 113 110 8 110 8 X Y A C D H G G E A C 113 113 B I J B A 113 113 110 8 110 8 X Y A C D H G G E A C B C 113 113 B I J FRONT AL18 AL25 AL30 B A 113 113 110 8 110 8 X Y A C D H G G E A C B C 113 B I J AMI133 A TOP AMI133 A REAR AMI133 A SIDE AMI133 A FRONT AMI133 A BOTTOM 113 113 B A A C B J I 113 110 8 110 8 Y X H D C A E G G B...

Страница 13: ...70 70 3 1 1 COOLER DIMENSIONS AL18 AL25 AL30 AL36 A C G G E H D A C I J A B z Y B C A C G G E H D B A C I J A B z Y B A I J B C A C G G E H D A C I J A B z Y B C Dimensions are in mm A C G G E H D B A C I J A B z Y B C AL SERIES COOLERS ISOMETRIC AL36 TOP AL36 REAR AL36 SIDE AL36 BOTTOM AL36 AMI145 A ISO FRONT AL36 AMI145 A TOP AMI145 A SIDE AMI145 A REAR AMI145 A FRONT AMI145 A BOTTOM A B C J Y Z...

Страница 14: ...NFORMATION Model AL18 AL25 AL30 AL36 X 150 200 240 N A Y 500 650 650 650 Z N A N A N A 315 3 1 2 DRAIN LOCATION DIMENSIONS AL18 AL25 AL30 AL36 AMI101 A Figure 5 Drain Location Y Z X Table 2 Drain Location Dimensions mm ...

Страница 15: ...Evaporative Cooler unit the following shall be considered 1 Will the unit be suitably protected from the effects of corrosion and or dust laden environments and any likelihood of physical damage 2 Can qualified personal perform functional adjustments and maintenance on the unit 3 Does the chosen location prevent a hazard to the building or structure or to the contents of the building 4 How to mini...

Страница 16: ...fied engineer should be engaged to ensure that other plant that may generate harmful gases and fumes are located at a distance such that the gases and fumes will not be drawn into the building 3 2 4 Roof Stands If a roof stand was supplied with the unit it is to be installed in accordance with manual AM011 If the customer chooses to use a 3rd party support structure they must be adequately and pro...

Страница 17: ...pecified and designed to lift only the specific units dry weight These lifting points are suitable for either Crane or Helicopter lift with suitable spreader bars The unit cabinet is lightweight aluminium and at no point should the lifting slings or spreader bar contact the cabinet failure to comply will permanently damage the case Lifting point securing bolts and lifting eyes must be inspected fo...

Страница 18: ...ny platform used to support the unit is suitably designed A suitably qualified Civil or Structural Engineer must be engaged to conduct an assessment Figure 10 Positioning the unit 3 2 8 Duct Connections It is the installers responsibility to adequately secure the ductwork to the unit Typical installations use duct mate screwed to the face of the unit over the blower opening Refer to the Model Vari...

Страница 19: ...n in a location compliant with Austtralian Standards and Regulations A hole saw will be required to create a cut out to install a gland in the desired power entry location The hole shall be cut in a location such that the cable will not be within the water and can be adequately secured to the inside of the unit 3 3 2 User Control Configuration Options There are 2 primary control options for AIRA A...

Страница 20: ...to the unit to assist in routine servicing 2 Before connecting the supply pipe flush it clear of any swarf or debris that may cause the float valve to stick and leak NOTE In areas where water pipes freeze provisions will be needed to drain the water piping to prevent damage INSTALLATION INFORMATION 3 4 2 Water Setup AL Evaporative Cooler units come with internal water components pre plumbed Once t...

Страница 21: ...g operation There are multiple configuration options what are explained in detail within the ADV manual The ADV manual shall be used to ensure correct installation and operation The Auto Drain Kit is supplied with a solenoid to control water flow into the unit Where a solenoid is installed a back flow prevention device and or check valve must not be installed 3 4 5 Bleed off Valve To reduce the ac...

Страница 22: ...5 Cooling Pads 3 Angle the bottom of the pad and pull out of the unit bottom first The following steps can be used to install cooling pads 1 Confirm that the unit is not operating and that the power is isolated Do not remove pads whilst the unit is operational 2 Place the pad frame assemblies top first into the unit framework 3 Lift the pad using the handle and align the bottom of the pad with the...

Страница 23: ...ads are in position and free of foreign material 4 3 Electrical Checks 4 3 1 Electrical Installation Checks 1 Turn OFF main isolator and follow LOTO procedures Failure to do so may result in Injury or Death 2 The electrical connections are to be completed by a licensed and experienced person 3 Check that the isolator is fitted and operational If the isolator is damaged the unit must not be commiss...

Страница 24: ...SSIONING INFORMATION 4 Confirm the fan direction If the fan is spinning in reverse check the wiring diagram to ensure that the motor is wired in correctly Fan direction is to be checked on high and low settings ...

Страница 25: ...r pump to the distribution pipe Set to open initially with adjustment of the saturation of the cooling pads outlined in 4 6 Setting Pad Saturation 7 Measuring the flow rate from the water bleed Using Table 4 Bleed Off Rate adjust the bleed valve to fill 1L in the time shown according to the air flow rate and hardness of the water Note Formation of salt deposit in cooler pads indicates insufficient...

Страница 26: ...tably damp but not flooded 11 Continue this procedure until suitable wetting has been achieved Notes a The filter pad evaporation rate changes with entering air ambient conditions The water flow rate should be set with this in mind and may have to be readjusted later due to seasonal weather changes b When performing scheduled maintenance it is recommended that the flow rate for each pump should be...

Страница 27: ...TCH UNITS TO PROVIDE COOL AIR 1 Switch the FAN switch to HIGH or LOW depending on desired flow 2 Switch the COOL switch to ON 3 Switch the Wall Switch ON OFF switch to ON 5 6 STARTUP DUAL SPEED WALL SWITCH UNITS TO PROVIDE VENTILATION 1 Switch the COOL switch to OFF 2 Switch the FAN switch to HIGH or LOW depending on desired flow 3 Switch the Wall Switch ON OFF switch to ON 5 7 SHUTDOWN DUAL SPEED...

Страница 28: ...witch to ON Switch oﬀ Unit at Wall Switch Switch COOL switch to ON Dual Speed Units Only Select Fan Speed HIGH LOW room begins Water Pump begins to draw water into the cooling pads Cool air delivered to the room Fan stops Pump Stops Auto drain Valve programmed installed Water drains from reservoir VENTILLATION ONLY VENTILLATION ONLY VENTILLATION ONLY 5 10 OPERATIONAL FLOWCHART ...

Страница 29: ...ins a monthly checklist for the owner Component Minimum Inspection and Service Schedule Belts Quarterly visual inspection 6 monthly thorough inspection Pulleys Quarterly visual inspection 6 monthly thorough inspection Motor In accordance with manufactures specifications Cooler Maintenance Every 3 Months Table 5 Inspection and Service of Major Components 6 1 COOLER MAINTENANCE 6 1 1 Cooler Maintena...

Страница 30: ...e from damage Isolate unit and confirm that power is not available at the unit 6 2 1 3 Single or 3 Phase Power Test A qualified electrician is to test the incoming power supply to the unit The supply is to be tagged with available voltage and date of test 6 2 1 4 Fan and Motor When fitted as part of Appliance Motors range in weight from approximately 20 to 270Kg s Generally the larger the unit the...

Страница 31: ...e any signs of wear Tools Required Metric open end ring spanner set Drive belt tensioning gauge Pry bar or lever bar Socket set metric hex key set nylon hammer 1 Electrically isolate unit 2 Remove Blower Box access panels 3 Loosen motor platform to scroll nuts 4 Slacken and remove drive belt s 5 Remove Pulley s from Taperlock bush A taper lock bush is used to secure the pulleys to the drive shaft ...

Страница 32: ...ed rate needs to be increased 6 2 2 9 Cooling Pads The cooling pads should be periodically cleaned Once the pads have been removed from the unit they can be cleaned using a spray nozzle on a garden hose with a moderate pressure Do not use a high pressure hose At this time the cooler cabinet should be inspected and cleaned Cooling pads should be periodically changed the frequency being determined b...

Страница 33: ...the ductwork 6 2 4 5 Access to Unit Check that access to the unit is free of obstructions If the unit is located on a roof and an anchor system and harness are certified and maintained by an appropriately qualified individual 6 2 4 6 Maintenance Records Ensure that maintenance records are up to date and stored in a location where they are protected from the weather and other possible causes of dam...

Страница 34: ...tation Pump fails to start 1 Pump motor faulty 2 Incorrect wiring of pump and control switch 3 Loose electrical connection 4 Pump switch faulty 1 Replace Pump 2 Refer to wiring diagrams in Appendix A 3 Check all connections and tighten as required 4 Replace switch Pump runs but water not circulated or pads are dry 1 Insufficient water in base tray 2 Pump strainer basket blocked 3 Blocked water tub...

Страница 35: ...AL SERIES INSTALL OPERATION MAINTENANCE MANUAL 33 APPENDIX A ELECTRICAL INFORMATION APPENDIX A1 3 PHASE WIRING DIAGRAM ...

Страница 36: ...34 APPENDIX A ELECTRICAL INFORMATION APPENDIX A2 3 PHASE COOLER AUTO DRAIN WIRING DIAGRAM ...

Страница 37: ...eys Alignment Fan Belts properly tensioned Fan direction correct Wall Switch BMS installed Water Commissioning Water Isolation Fitted Water supply flushed Water Connections Free of Damage Incoming Water Pressure between 220kPa and 1400kPa Unit base and reservoir free of debris and clean Flow to unit can meet 100 of pump requirement Water isolation ball valve operation Float Valve correctly set Res...

Страница 38: ...36 Commissioning Notes APPENDIX B COMMISSIONING REPORT ...

Страница 39: ...Motor Belts Pulleys Visual Inspection Belts Pulleys Thorough Inspection Fan Obstructions Direction Water Incoming Water Supply Water Connections Visual Inspection Water Isolation Fitted and in Good Condition Water Supply Pressure Float Valve Operation Overflow and Drainage Automatic Drain Valve Bleed Valve Pad Saturation Installation Weatherproof Casing Condition Inside Unit Condition Duct Conditi...

Страница 40: ...ter Incoming Water Supply Visually inspect incoming water connection for signs of damage Casing Access to unit Access to unit is clear of obstructions Weatherproof casing Case is secure not damaged and free from corrosion Maintenance records Previous maintenance records are in a safe location and any required maintenance items have been actioned ONLY A QUALIFIED TECHNICIAN SHALL ADJUST SETTINGS Ch...

Страница 41: ...arings Check greasing of fan bearings and grease as necessary Water Incoming Water Supply Visually inspect incoming water connection for signs of damage Check that the unit isolation valve is in good working condition and easily accessible If any new water appliances have been installed confirm that there is sufficient water pressure and flow for unit operation Water connections visual inspection ...

Страница 42: ...t is level Confirm duct connections Maintenance records Check that previous maintenance records are in a safe location and any required maintenance items have been actioned Operation Start up and run sequence Check that unit operates as expected with no visual sound or smell abnormalities Control Operations Check that thermostat and wall switch BMS controls operate as expected Motor Amps High and ...

Страница 43: ..._______ Model _________________________________________________________ Serial No _________________________________________________________ Customer Name _________________________________________________________ Installation Address ______________________________________________________ Date of Installation _______________________________________________________ Installer Dealer __________________...

Страница 44: ...e Goods 4 We are under no obligation to repair or replace the Goods or Parts under clause 1 above if i the Goods have not been installed and commissioned in accordance with the Installation Instructions ii the Goods have not been installed and commissioned properly or competently iii the Goods have not been operated serviced and maintained in accordance with the instructions provided in the Owner ...

Страница 45: ... Health and Safety requirements and by laws which are legislated or in effect at the time of installation 11 This warranty is only valid and enforceable in Australia Note It is important that the safety and privacy of our service technicians is protected at all times Accordingly We and our Seeley International service agents reserve the right to refuse service if i safety and accessibility to the ...

Страница 46: ... provide you with warranty support We may also disclose your information to third parties such as related entities retailers distributors service agents and contractors who are affiliated with us or marketing or market research companies If you would prefer not to receive direct marketing communications from us please follow the instructions to unsubscribe which will be included in the direct mark...

Страница 47: ...ating Instructions Added Unit Maintenance Information Added Appendix A Added Appendix B Added Appendix D R Aisbett C Arnel 1 2 3 4 2019 Updated Operating Instructions R Aisbett C Arnel 1 3 07 06 20 Updated Gas Rates to reflect AGA report R18080103 C Arnel C Arnel 1 4 25 03 21 Updated to include LPG SD40 as Type A C Arnel C Arnel 1 5 14 04 21 Updated Format Updated Safety Information Updated Instal...

Страница 48: ...dealer to confirm the specifications of the model selected MANUFACTURED BY SEELEY INTERNATIONAL PTY LTD 77 NORTH ST ALBURY NSW 2640 AUSTRALIA SEELEY INTERNATIONAL TECHNICAL SUPPORT 1300 650 399 AUSTRALIA 0800 589 151 NEW ZEALAND SEELEY SPARE PARTS DISTRIBUTORS 1300 367 437 AUTHORISED SERVICE AGENTS 1300 650 644 Service All regions other than Australia Please contact your local distributor seeleyin...

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