Frick Rotary Screw Compressor RWF II 375 SS

Check the compressor unit daily for leaks

Sign off on the daily compressor unit check

Warning: This procedure requires trained personnel with PPE!

EZ-CAL High pressure cut-out check valve test block

Is the EZ-CAL test block installed on the package?

Is the pressure transducer wired to the Quantum HD controller?

Is the tubing run to the compressor discharge connection?

Is the HPCO fully open to the discharge pressure source in the RUN position?

Is the external source connected directly to the HPCO in the TEST position?

Is the HPCO confirmed to trip the compressor at the correct set point?

WARNING: Failure to enter skip frequencies could cause catastrophic compressor failure or severe compressor damage and result in serious injury or death.

Check for excess vibration and skip frequencies anytime unit operating conditions change

Decrease the VFD speed by 100 rpm increments and check for elevated energy

Enter the vibration meter reading

Does the vibration meter reading meet or exceed one inch per second?

If yes, skip that frequency range in the microprocessor for the VFD

Enter the identified frequency range to be skipped

Set the skip to as narrow a frequency band as possible, only making it wider until full range is accommodated

Warning: Use of filter elements other than Frick may cause warranty claim to be denied.

Is a single oil filter installed?

If dual oil filters are installed, open the outlet, then inlet service valves of the standby filter.

Warning: Open inlet service valve slowly to prevent a sudden pressure drop which could cause an oil filter differential alarm.

Outlet then inlet service valves of filter being serviced closed?

Bleed valve opened and pressure purged from the oil filter cartridge?

Notice: Recover or transfer all refrigerant vapor, in accordance with local ordinances, before opening to atmosphere.

Plug removed from the bottom of the filter canister and oil drained?

Canister cover removed and gasket discarded?

a. Check bolts, shim packs, center inserts, keys, and all bolt torques.

h. Refer to 070.210-IB for foot mounting alignment.

Suction and discharge flange bolts (d)

d. Verify tightness of bolts on suction and discharge flanges. See Table 13 for torque requirements.

Check electrical connections (b)

b. Check and torque all terminals in the processor and starter panel per the specification posted in the enclosure.