AMC Services

Annual Maintenance Contract of HVAC system (With Material)

  • GENERAL
    • To maintain central air conditioning plant throughout the year (365 days).
    • To visit & check the machine every month.
    • To check/ replace/ rectify all electrical control related to air conditioning plant.
    • To replace the operation safeties in case of damage to the same.
    • Our engineer/ technician will carry all the tools & tackles required at site.
    • Our engineer/ technician will timely notify for the work to be taken up for maintenance of the machine to facilitate requisite shut down period.
    • All spare parts/ consumable item like fuses, refrigerant, compressor oil, bearings, controls, contacts, switches etc. will be supplied by us.
    • #. To attend all complaints.
    • #. To keep spare parts inventory required for smooth functioning of HVAC system.
  • HVAC SYSTEM
    • ( A ) CHILLERS
      • To maintain Chillers through out the year ( 365 days).
      • To check the proper operation of expansion valves every year and set the same.
      • To carry the proper functioning of microprocessor and take the control test.
      • To check / calibrate the proper functioning of flow switch.
      • To check the antifreeze and setting of the same every quarterly.
      • To check LP / HP cut out switches & to replace the same if found defective.
      • To attend to all the break downs including compressor failure.
      • To check the filter drier core and changing of the same if found necessary.
      • To clean the electrical panel of the m/c every quarterly with air blower.
      • Rewinding of the fan motor and compressor motor.
      • To check the leakages of refrigerant from the chilling units and rectify/ repair the same.
      • To change compressor oil and oil filters as per requirement.
      • To descale the condenser of machine as per requirement or maximum two times in a year.
      • Checking of sensors, control valves, control’s equipment & cleaning of strainers.
      • To calibrate control instruments – Transducers, sensors & motor current, if possible.
    • ( B ) PUMPS
      • To maintain the pumps connecting to the system as per requirement.
      • To replace damaged gland packing with new one as per the requirement at site.
      • To replace bearing of Pumps and Motors if necessary.
      • To lubricate bearings for pumps and motors from time to time.
      • To clean the Strainer as and when required.
      • To make proper alignment of the pump, if necessary.
      • To replace the operation safeties in case of damage to the same.
    • (C) AIR HANDLING UNIT
      • To clean the filters of Air Handling Unit every month or as and when required.
      • To clean the cooling coil after every six months.
      • To check the belt tension & replace the same, if necessary.
      • To check and rectify blower pulley and motor pulley alignment as required at site.
      • To lubricate motor and blower shaft’s bearings from time to time.
      • To replace defective bearings of blower or motor.
      • To replace/ repair defective control equipment such as thermometers, modulating motors, pressure gauges, valves etc.
      • To clean the drain line every quarterly.
    • (D) FAN COIL UNITS
      • To clean the filters of FCU’s on monthly basis or as and when required.
      • To lubricate motor bearings.
      • To check and rectify the defective room thermostat.
      • To clean ” Y ” strainer of the ball valves.
      • To replace and rectify three way motorised modulating valves.
      • To replace and rectify ball valves.
      • To clean the drain pan & pipe as and when required.
      • To replace and rectify defective motors of FCUs .
    • (E) COOLING TOWER
      • To clean the spray nozzles, if found choked.
      • To clean the fills after every six month.
      • To clean the spray chamber / tank every quarterly.
      • To check and rectify the motor and blower alignment.
      • To lubricate the motor and blower shaft bearing as and when required.
      • To replace motor and blower bearings, if found defective.
    • (F) ELECTRICAL PANEL
      • To clean the electrical panel quarterly.
      • To tighten the electrical components related to the air conditioning system once in a month.
      • To replace and rectify the defective electric components timely.
      • To check the electrical circuits of air conditioning plants & rectify the same as and when necessary.