COMPREHENSIVE MAINTENANCE OF 48 HP VRF AIR CONDITIONING PLANT

Amount

Comprehensive maintenance ( once in a month ) of 48 HP VRF air conditioning system comprises of 3 Nos x 16 HP outdoor VRF unit and ceiling mounted indoor units 04 Nos x 8 TR, 01 No. x 6 TR and 01 No. x 4.5 TR including servicing/ cleaning of indoor/outdoor units, cleaning of Air filter and air outlet grills with a soft dry cloth, replacement of PVC drain pipe, checking and cleaning of inlet and outlet air tubing of indoor units of air conditioers, cleaning of condensing and cooling coils , (use a vacuum cleaner to remove dust from the air inlet), oiling to fan motor, cleaning of compressor etc, checking / replacement of air pipe thermal insulation, checking/dressing up of electrical wirings/ circuits etc wherever necessary to keep the air conditioner in good working condition all as specified and directed by the Engr-in-charge. Note: - (1) Minor spare parts such as grease, oil, cleaning materials, pipe insulation, nut, bolts, washers, etc required for repair/replacement shall deemed to be included in quoted rates and nothing shall be paid on this account. Note: - (2) All T&P required for maintenance at height upto 7 metre shall be provided by contractor and nothing shall be paid on this account. This item rate covers attending to any number of breakdown call and labour charge is included for fixing any spare for smooth funing of the plant.

Checking, cleaning, and adjusting of branch slector unit complete.

Checking, cleaning, and adjusting of control device system including local control system and central control system for cooling/heating operation of VRF AC Plant.

Checking, of mounting anti vibration base of outdoor unit.

Checking, and adjusting of air direction adjuster of outdoor unit.

Checking, cleaning aluminium extruded square diffuser and sitout damper.

Supply refrigerant gas R-410a including testing and charging complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only Tube Assembly discharge suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only TubeValve Reverse suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only Sensor Pressure suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only Tube Assembly Expansion suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only PCB assembly cycle suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only PCB assembly main /cycle suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only Accumulatore suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only PCB assembly filter suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

Supply only Case assembley control box of 16 HP VRFOut door unit complete all as specified and directed. ( Fixing included in item No. 1)

Supply & fixing of PCB Assembley Inverter suitable for 16 HP VRF indoor unit complete all as specified and directed. ( Fixing included in item No. 1)

Supply & fixing of Motor Assembley DC suitable for 16 HP VRF In door and out door Unit complete all as specified and directed. ( Fixing included in item No. 1)

Supply only Tube Assembly Suction suitable for of 16 HP VRFOut door unit complete all as specified and directed. ( Labour charges included under Item No. 1)

p.chinnasamy