Carrier AiroVision 39 HQM Advance Installation, Operation And Maintenance Download | Manualshive

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39 HQM
Central Station Air Handling Units

Advance Installation, Operation and Maintenance

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Summary of Contents for AiroVision 39 HQM

Page 1: ...39 HQM Central Station Air Handling Units Advance Installation Operation and Maintenance 1 ...

Page 2: ... Short term storage 6 3 2 Long term storage 6 4 CHECKLIST OF START UP CHECK POINTS 7 4 1 Preliminary information 7 4 2 Pre Start Up 7 4 3 Start up 7 5 STARTUP INSTRUCTIONS 8 5 1 Casing 8 5 1 1 Casing panels 8 5 1 2 Doors and access panels 8 5 1 3 Flexible connections 8 5 1 4 Earthing 8 5 1 5 AHU installation and connection 8 5 2 Dampers 9 5 3 Air Filters 9 5 4 Electric Heaters 10 5 5 Cooling Coil ...

Page 3: ...r each section to be moved Earthing This label indicates where the AHU must be earthed and is on one of the support beams beneath the casing in the fan section The electrical components in the AHU must be earthed except for components with double insulation and or components with a supply voltage below 50 V The electrical components must be installed in accordance with national and local regulatio...

Page 4: ...is opened Caution All doors and access covers must be closed before starting up the AHU 1 4 Disposal of Parts Materials The packaging material must be disposed of in a responsible manner and in accordance with local regulations Components that are replaced must be disposed of as described above 2 TRANSPORT AND LIFTING INSTRUCTIONS 2 1 General Transport and lifting of the AHU must always be in acco...

Page 5: ... sequence The weight is given on each transport section Each transport section is equipped with a sub frame with four lifting points These points are marked by the label shown below For offloading as well as hoisting lifting cables can be attached 1 Under the wooden skid OR 2 To the lifting bars Lifting bars are not supplied by factory Evenly positioned spacer bars should be used between the lifti...

Page 6: ...han 6 months still require serious and proper preservation actions during the storage period 3 2 1 Belts to be removed and kept safe with proper tag of the AHU in conditioned space belts shipped loose as standard in production of 39HQM and packed in plastic bag placed inside fan section 3 2 2 Filters to be removed and stored in a proper packed conditioned space 3 2 3 Periodically check fan bearing...

Page 7: ...ted to unit in proper way straight duct after fan discharge is 2 5 fan diameter Verify wiring is correct for application voltage etc per component label 4 3 START UP If this unit is used for construction conditioning without ductwork ensure balancing is redone and filters replaced once construction is complete Verify wiring is correct for application voltage etc per component label Ensure correct ...

Page 8: ...accordance with local regulations A label on the support frame indicates where the unit should be earthed 5 1 5 AHU Installation and Connection The floor in the room where the AHU is installed must be level and flat to prevent connection problems In case of multi section unit It is highly recommended to install common single channel base through the AHU base channel underneath the AHU Rubber pads ...

Page 9: ... If there are more than two sections repeat the procedure above For an outdoor installation all external joints should be sealed 5 2 Dampers Check if the actuator motor is installed in accordance with the supplier s instructions Check if the correct angle has been set Check if the dampers close properly Check if the damper can open to the required angle Check operation after the power has been res...

Page 10: ...eat Recovery Wheel Check that the wheel is rotating in the correct direction This is indicated by an arrow on the casing Check if the wheel seals are fitting correctly Check if belt tension is correct Check if the motor has been correctly connected Check if the controller has been correctly connected and set in accordance with the instructions of the supplier if any Check if the rotor speed has be...

Page 11: ...nd leave the grooves at an angle causing excessive belt and sheave wear 5 9 1 1 Shaft Alignment Shaft alignment can be checked by measuring the distance between the shafts at 3 or more locations If the distances are equal then the shafts are parallel 5 9 1 2 Sheave Alignment Fixed sheaves To check the location of the fixed sheaves on the shafts a straightedge or laser guide device Straightedge mus...

Page 12: ...at sensors COIL Fins Contamination Clean dirt with compressed air Damage Check fin alignment and comb fins Coil Frames Air by pass Check gap and seal with silicon sealant to avoid fresh air by pass Headers Seal Water leakage Check gap and seal with silicon sealant to avoid fresh air by pass Incase tube leak braze leak point Eliminators Contamination Clean dirt with compressed air Drain pan Contami...

Page 13: ...observed as irreparable damage of the panels might otherwise occur Clean the outside air intake well and repair damage as described in point 7 2 1 7 8 Filters The filters must be inspected once a month for excess pollution pressure loss damage and seating of the slide in filters or built in frames With slide in filters ensure that the filters have been correctly positioned and have been pushed wel...

Page 14: ...ith a grease nipple The lubrication interval and type of lubricant are as above 7 13 3 Transmission After starting up the unit but also after replacing the belts the belt tension has to be checked within one week and then after two weeks and further tensioned if required After that check the belt tension and inspect the condition of the belts every three months The Correct Belt Tension depends on ...

Page 15: ...Notes 15 ...

Page 16: ...Manufacturer reserves the rights to discontinue or change at any time specifications or designs without notice and without incurring obligations Effective Date 09 04 2013 39HQMV1 0 16 ...

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