- Ensure the supply to the chiller panel is ON even though the chiller is not in operation to keep the crankcase heater activated
- Check the water level in Cooling Tower Sump.
- Check the chiller line Expansion tank water level and ensure makeup line valves are in the open position and the float valve is serviceable
- Check and ensure supply voltage at the f>IC panel is not less than 390 Volt AC or above 435 Volt
- Ensure that the Condenser & Chiller line inlet I outlet valves are open in the AC Plant which is to be operated
- Check and ensure that Compressor suction and discharge valves are open.
- Check compressor oil level.
- Start the CT Fan, Condenser pump & Chiller pump and observe that their parameters are within the limit.
- Ensure that there is no leak of refrigerant during operation as well as gas charging. Carry out leak detection every month by leak detector and rectify the leakages immediately, if found
- Parameters of each machine are to be checked & recorded in the logbook every hour,
- ensures that the machine is working normally, any deviations must be brought to the notice of the A/C Supervisor/Shift in-charge immediately
- Check the mode of the selector switch.
- Check the average temperature difference of the chilled water IN and OUT should be 4/5 degree
- Check the suction pressure is within the range of 45 psi to 75 psi.
- The discharge pressure should be within the range of 190 psi to 325 psi
- The average pressure difference of the chilled water IN and OUT should be in the range of 0.3 KG to 0.8 KG/Sq. cm
- Is a social distancing policy implemented in the company vehicle during the traveling of workers?
1 comment:
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