Open Tender for SITC OF WINDOW AC AND BUYBACK,SITC OF HI WALL SPLIT SYSTEMS AND BUYBACK,SITC OF CASSETTE TYPE SPLIT in KOLKATA, WEST BENGAL

Supplying , Installation, Testing and Commissioning of Window type Air conditioners complete with copper power cable upto 3 Mtr, wireless Remote, suitable for working between 180 to 260V with low & high voltage cutoff and 50hz ,1 phase AC supply capable of performing, cooling, dehumidification, air circulation, R 32 or R 410A or R 407B Green Refrigerant with Scroll or rotary compressor with min 5 year Original Equipment Manufacturer OEM warranty both compressor and Printed Circuit Board PCB, antifreeze thermostat on the coil as a safety feature,complete with fixing including T&P & labour etc as required complete in all respect as specified of following capacity. Sound level of up to 50dB inside the room is acceptable. The unit shall be in confirmation with IS 1391 Part I 2023 and CPWD Specification. The system shall be able to deliver 100 percent of the rated capacity upto 42 Degree C. The system shall be able to operate up to 50 Degree C out door ambient temperature. Buy Back of OLD AC Units on wherein whereas basis.

Supplying, Installation, Testing and Commissioning of Air Cooled Cassette type Air conditioners complete with Indoor unit IDU, Out door unit ODU, R 32 OR R 410A OR R 407 Green Refrigerant, wireless Remote, inbuilt drain pump, suitable for 400 TO 230V, 50 Hz ,1 OR 3 phase AC supply, including surface OR concealed copper Refrigerant piping with insulation closed cell elastomeric nitrile rubber tubular pipe section upto 5.5 Mtr IDU to ODU, copper power and control cable upto 5.5 Mtr IDU to ODU including drain pipe, the system shall be capable of performing cooling,dehumidification, Air circulation, filteration & ventilation of following capacity with Scroll OR rotary compressor with min 5 year Original Equipment Manufacturer OEM warranty both compressor and Printed Circuit Board PCB as specified. The system shall be able to deliver 100percent of the rated capacity as per relevant IS Code. The lab testing reports as per IS 1391 shall be submitted from National Accreditation Board for Testing and Calibration Laboratories NABL accredited as per International Electrotechnical Commission IEC 17025 standards or Central Power Research Institute CPRI or Electrical Research and Development Association ERDA with Original Equipment Manufacturer OEM etc. complete as per CPWD specification and as per IS 1391 as required.Buy Back of OLD AC Units on wherein whereas basis.

Supplying, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of softorhard drawn copper refrigerant piping for above system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class O tubular insulationorwith Class O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessoriesas per specifications etc. as required 6.4 mm dia OD Soft drawn with tube thickness 1.2 mm and 12.7 mm dia OD Soft drawn with tube thickness 1.2 mm for 1.5 TR HI WALL SPLIT

Supplying, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft or hard drawn copper refrigerant piping for above system, complete with fittings, with suitable adjustable ring type hanger supports, jointingorbrazing including accessories, insulated with XPLE Class O tubular insulationorwith Class O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessoriesas per specifications etc. as required 12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm and 19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm for 3.8 TR TOWER TYPE SPLIT UNITS

Supplying , Installation, Testing and Commissioning of outdoor frame / stands to withstand the full load of outdoor units and making good all the damage for 1.5 TR Hi-Wall Split AC.

Supplying , Installation, Testing and Commissioning of outdoor frame / stands to withstand the full load of outdoor units and making good all the damage for 2.0 TR CASSETTE TYPE SPLIT UNITS for 3.8 TR TOWER TYPE SPLIT UNITS.