KIRLOSKAR KAC - Page 35

KIRLOSKAR CHILLERS PRIVATE LIMITED
A Kirloskar Group Company IOM-KAC-ENG - Page 31
i) Maintain correct water quality.
j) Check the oil level. Oil level should cover one half of the oil sight glass.
k) Never close valves on pressure, never close liquid lines during normal operation, and never
close valves before safety devices.
l) Tighten the cables and electrical connections every month. Study the wiring diagram before
attending any service on control panel.
m) Keep all equipment and machine room clean and ventilated.
n) If liquid flood back occurs in compressor, do not run the compressor. Investigate and rectify
the defects.
Sr.
TYPE OF OPERATION
PERIODICITY
Daily
Monthly
Quarterly
Yearly
1
Read and observe the outlet evaporator
liquid temperature.
√
2
Read and observe the suction pressure
& corresponding temperature.
√
3
Read and observe the discharge
pressure & corresponding temperature.
√
4
Reading and recording of supply
voltage.
√
6
Reading and recording of current in 3
Phases.
√
7
√
8
Check the refrigerant suction
superheat temperature.
√
9
Check setting and operation of safety
devices.
√
10
Check lubricating oil quality and level.
√
11
Check setting and proper operation of
√
WARNING: USE GENUINE SPARE PARTS. USAGE OF WRONG PARTS MAY
DAMAGE THE UNIT.
CAUTION: IT IS NECESSARY TO DE-ENERGIZE THE COMPLETE
PANEL, BEFORE DOING ANY SERVICING INSIDE.