Supply, Installation, testing and commissioning of New AC Units and Buyback of existing split AC at HINDLABS, MRI Lab Center at Government Medical College Hospital, Kozhikode

Supply, Installation, Testing and Commissioning of VRV / VRF Air Conditioning System (4 HP ODU) – Supply, installation, testing and commissioning of inverter type air-cooled VRV / VRF Outdoor Unit of nominal capacity 4 HP (Model: RXMQ4BRV16 or equivalent approved make), complete with compatible indoor units (to be measured separately), hermetically sealed inverter compressor, air-cooled condenser, microprocessor based control system, factory charged refrigerant (R-410A / R-32), complete with all accessories. The scope includes providing and fixing of outdoor unit on suitable MS frame with anti-vibration pads, insulated copper refrigerant piping (liquid & gas lines) with closed cell elastomeric nitrile rubber insulation (measured separately), refnet joints / branch selector units as required, uPVC drain piping, interconnecting power and control cabling, earthing, and all necessary accessories. The work includes nitrogen purging, pressure testing, vacuuming, refrigerant charging (if required), complete wiring, control system, testing, commissioning, and handing over of the system, all as per CPWD specifications, approved drawings, and instructions of Engineer-in-Charge.

Supply, Installation, Testing and Commissioning of VRV / VRF Air Conditioning System (5 HP ODU) – Supply, installation, testing and commissioning of inverter type air-cooled VRV / VRF Outdoor Unit of nominal capacity 5 HP (Model: RXMQ5BRV16 or equivalent approved make), complete with compatible indoor units (to be measured separately), hermetically sealed inverter compressor, air-cooled condenser, microprocessor based control system, factory charged refrigerant (R-410A / R-32), complete with all accessories. The scope includes providing and fixing of outdoor unit on suitable MS frame with anti-vibration pads, insulated copper refrigerant piping (liquid & gas lines) with closed cell elastomeric nitrile rubber insulation (measured separately), refnet joints / branch selector units as required, uPVC drain piping, interconnecting power and control cabling, earthing, and all necessary accessories. The work includes nitrogen purging, pressure testing, vacuuming, refrigerant charging (if required), complete wiring, control system, testing, commissioning, and handing over of the system, all as per CPWD specifications, approved drawings, and instructions of Engineer-in-Charge.

Supply, Installation, Testing and Commissioning of VRV / VRF Indoor Unit (2.6 TR Capacity) – SITC of factory assembled VRV / VRF compatible Indoor Unit of nominal capacity 2.6 TR), of type as specified (Hi-wall / 4-way cassette / concealed ductable as per approved drawings), complete with cooling coil, blower, air filters, electronic expansion valve, drain tray, and microprocessor based control system, suitable for operation with R-410A / R-32 refrigerant. The scope includes installation with necessary mounting/suspension arrangement, MS supports, vibration isolators, connection to refrigerant piping (liquid & gas lines), drain piping with proper slope, interconnecting power and control cabling, insulation of drain piping wherever required, and provision of wired/wireless remote controller. The item includes testing, commissioning, trial run, and handing over of the system complete in all respects as per CPWD specifications, manufacturer’s recommendations, approved shop drawings, and direction of Engineer-in-Charge.

Supply, Installation, Testing and Commissioning of VRV / VRF Indoor Unit (1 TR Capacity) – SITC of factory assembled VRV / VRF compatible Indoor Unit of nominal capacity 1 TR , of type as specified (Hi-wall / 4-way cassette / concealed ductable as per approved drawings), complete with cooling coil, blower, air filters, electronic expansion valve, drain tray, and microprocessor based control system, suitable for operation with R-410A / R-32 refrigerant. The scope includes installation with necessary mounting/suspension arrangement, MS supports, vibration isolators, connection to refrigerant piping (liquid & gas lines), drain piping with proper slope, interconnecting power and control cabling, insulation of drain piping wherever required, and provision of wired/wireless remote controller. The item includes testing, commissioning, trial run, and handing over of the system complete in all respects as per CPWD specifications, manufacturer’s recommendations, approved shop drawings, and direction of Engineer-in-Charge.

Supply, Installation, Testing and Commissioning of VRV / VRF Indoor Unit (1.5 TR Capacity) – SITC of factory assembled VRV / VRF compatible Indoor Unit of nominal capacity 1.5 TR , of type as specified (Hi-wall / 4-way cassette / concealed ductable as per approved drawings), complete with cooling coil, blower, air filters, electronic expansion valve, drain tray, and microprocessor based control system, suitable for operation with R-410A / R-32 refrigerant. The scope includes installation with necessary mounting/suspension arrangement, MS supports, vibration isolators, connection to refrigerant piping (liquid & gas lines), drain piping with proper slope, interconnecting power and control cabling, insulation of drain piping wherever required, and provision of wired/wireless remote controller. The item includes testing, commissioning, trial run, and handing over of the system complete in all respects as per CPWD specifications, manufacturer’s recommendations, approved shop drawings, and direction of Engineer-in-Charge.

SITC of Refnet / Branch Joints for VRV / VRF System – Supply, installation, testing and commissioning of factory made copper refnet (Y-type) joints of suitable size, compatible with VRV/VRF system, including brazing with nitrogen purging, insulation, supports, testing and commissioning complete as required.

Supply, Installation, Testing and Commissioning of Insulated Copper Refrigerant Piping (Gas & Liquid Lines) – Providing, laying, testing and commissioning of refrigerant grade soft drawn copper piping for VRV / VRF air conditioning system, including both gas line and liquid line of required sizes, complete with closed cell elastomeric nitrile rubber tubular insulation of 19 mm thickness for gas line and 13 mm thickness for liquid line. The work includes cutting, bending, routing, brazing with nitrogen purging, providing necessary fittings, supports, clamps, sleeves, insulation taping, and protection. The piping shall be pressure tested with nitrogen, vacuumed, and commissioned as per manufacturer’s recommendations and CPWD specifications. The item includes all materials, labour, tools, tackles and consumables required for complete installation in all respects as approved by Engineer-in-Charge

Supply and installation of ADDITIONAL REFRIGERANT PIPING KIT for split AC units, comprising of Seamless copper tubing with wall thickness as per AC manufacturer's specifications, flame retardant elastomeric nitrile rubber insulation of minimum 13mm thickness all including necessary power and control cabling.

Supply and installation of control cable between indoor and outdoor units, including wiring, dressing, termination and testing complete as required.