COMPREHENSIVE MAINTAINANCE OF DOMESTIC COOLING APPLIANCES SPLIT, CASSETTE ACS AND TOWER ACS REFRIGERATORS, WATER COOLERS, DEEPFREEZERS AND VOLTAGE STABILIZERS AND CONNECTED ITEMS AT ZONE A UNDER GE(I) GOS

Taking out Window type ACs from existing locations at any height and including providing transporting and technicians for carryout of repairing works,servicing and overhauling of any capacity 1.0/1.5/2.0TR of any make/type by replacing unserviceable Compressor,Evaporator,condenser, condenser coil,valves,blower.thermostat. fan motor,air filters and other parts from the machine including charging of refrigerant gas after vacumming making system leak proof. Brazing the suction/discharge tubes where required and cleaning of condensor assembly/cooling soil unit. Brazing, gas welding and jointing,fabricating works for outer cover and base plate with extra sheet metal etc.Changing of wirings with proper size PVC insulated wires as directed. Install the Air conditioner at location where directed after proper repair and testing complete at site as per the satisfaction of JE/Engr- in - charge. Note: (i) All old unsv credit materials should be deposited in MES yard day wise after completed of the job, the same material will be issued to contractor through gate pass as schedule of credit against contract agreement. (ii) Spares will be measured and paid separately as supply only items (iii) Charging of refrigerant shall be measured and paid seperately.

Carrying out pressure leak test for detecting leak in condensing unit, refrigerant pipe and repairing the leak by welding or brazing of condensing unit and refrigerant pipe, putting under pressure for leak checking after repairs for 72 hours of leak pipe including transporting carrying out T&P required at work site for window type of capacity1 .5/2.0 TR AC complete all as sbecified and directed.

Charging of Refrigerant gas suitable for Window type Air Conditioner after cleaning of condenser unit, evoporator unit, brazing suction/discharge tubes where required with suitable size of copper tubes, vaccuming, making system leak proof and achieve proper cooling effect afiter charging of refrigerant complete all as specified and directed

Supply only the following items of window type Air Conditioner (Provisional) to incorporate in item No.1 complete all as specified and directed. (a) Running capacitor 30/45/50/60/80 MFD 230Volts, 50 Hz suitable for 1/1.5/2T WIAC Make: KELTRON / USHA SIEMENS/Annapurna.

All as per item no. 4 but for Starting capacitor 80-100 MFD/100-120 MFD 230 Volts Make KELTRON/USHA/SIEMENS

All as per item no. 4 but for Box type relay suitable for window type AC make Sriram model SR 1622 or equivalent

All as per item no. 4 but for Thermostatic switch suitable for Window type AC 1/1.5/2.0 TR Make: INDFOS RENUTRAL IAnnapurna/Baba

All as per item no. 4 but forUniversel Strainer filter cum dryier suitable for 1/1.5/2.0 TR AC

All as per item no. 4 but forBlower Motor with blade assembly complete, single phase 230 Volts 1500 RPM, suitable for 1/1.5/2.0 TR window type Air conditioner make AUE/USHA equivalent

All as per item no. 4 but for Supply only In replacement fan motor capacitor 4/6 MFD for AC complete all as specified and direte Make KELTRON/USHA/SIEMENS/Sarda