81310 CCE RnD SM EMU CHILLER CDEF BRKD 2025 26

Dismantling and taking out unserviciable/ burnt defective condensor fan from chillar of size 24 inch sweep.Rewinding and repairing, oiling, greasing of fan motor and change the other defective part of condenser fan motor of any make and refixing the existing location.

Dismantling and taking out unserviciable/ burnt defective pressure switches sensors upto 500 Pa for monotoring duct static pressure in commercial systems and supply and fixing with new.

Supply and fixing of contactor MNX25 , three pole AC supply 440 Volt 32 Amps in panel.Including dismantling and taking out unserviciable

Carrying out pressure leak testing by nitrogen gas in 90 TR compressor including connected condenser unit, chiller unit & connected pipes of the system of AC plant for leak proof including taking out nitrogen gas (residual) after leak repair & testing complete all as specified and directed by EIC. (Note: The arrangement of T&P & nitrogen gas shall be contractors responsibility).

Dismantling of defective water flow switch and Supply & fixing water flow switch as per existing model for Condenser/Chiller pipe line with control wiring all as specified and directed by EIC.

Dismantling burnt/unserviciable water pressure gauge for pipe line and Supply & fix water pressure gauge upto, 0-100 PSI all as specified and directed by EIC

Supply and charging refrigerant gas Non CFC compatible to R-22 in sealed cylinder all as specified and directed.

Supply, installing, testing and commissioning factory made , tested , CPRI approved powder coated Control Panel board as existing size ,cubical compartmentalized suitable for 415 volts, 3 phase, 4 wire, 50 Hz AC supply system having bus bar chamber with insulated aluminium bus bars four pole installed on porcelain/SMC insulator. ,front opening type, with apron for cable entry closing locking arrangement including internal wiring with PVC insulated solid, copper conductor FRLS cable and comprising of the following :- (a) Incoming :- (i) MCCB 4 pole , 250 Amps,50 Hz,415 Volts, 25 KA, with thermal magnetic release - 01 Nos (ii) Digital Volt and ampere meter. (iii) CTs ratio 250/5 A ,class 1, ISI marked -01 sets of three (iv) Indicating lamp- 01 set of three (v) Four Pole , Aluminium bus bar 400 Amps insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size “F” class insulators. (b) Outgoing MCB,contactor, overload protection relay and PCB for controlling the compressor and condensor fan unit and other connected devices. Including dismantling and taking out unserviciable panel.

Supply and filling compressor oil.

SCHEDULE OF CREDIT