PROCEDURE FOR USING CHILLING COMPRESSOR

1.0 PURPOSE
This SOP describes the procedure of using Chilling Compressor

2.0 RESPONSIBILITY
Responsibility of this operation is with maintenance department.

3.0 PROCEDURE

a) Check voltage on panel . it should be 400 v to 440 v

b) Check oil level .

c) Ensure suction valve is closed and discharge valve is open.

d) Check ammonia level in tank.

e) Start condenser cooling pump.

f) Check inlet valve of condenser cooling, inlet cooling of jacket and outlet valve of jacket cooling are open.

g) Check brine level in brine tank and specific gravity of brine.

h) Start brine pump.

i) Start compressor and wait till comes on load .

j) Open suction valve and check suction pressure.

k) Check oil pressure ,it should be 1 kg/cm2 above suction pressure.

l) Check suction delivery and oil pressure every two hours.