Trane Series R™ Helical Rotary Chiller RTHCC1E1F1

After the unit has operated for approximately 30 minutes and the system has stabilized, check the operating conditions and complete the procedures below:

Check evaporator and condenser pressures with gauges and compare to the reading on the Clear Language Display.

Pressure readings should fall within the following ranges specified in the Operating Conditions table:

NOTE: Optimum condenser pressure is dependent on condenser water temperature, and should equal the saturation pressure of the refrigerant at a temperature 2 to 5°F above that of leaving condenser water at full load.

Sign off on the weekly maintenance of the Series R™ Helical Rotary Chiller.

Use a nondestructive tube test to inspect the condenser and evaporator tubes at 3-year intervals.

NOTE: It may be desirable to perform tube tests on these components at more frequent intervals, depending upon chiller application. This is especially true of critical process equipment.

Depending on chiller duty, contact a qualified service organization to determine when to conduct a complete examination of the unit to determine the condition of the compressor and internal components.

Nondestructive tube test passed?

Describe any issues found during the tube test

Was a complete examination of the unit conducted?

Describe the condition of the compressor and internal components

Sign off on the 3 Yearly Series R™ Helical Rotary Chiller Maintenance

Warning: This procedure requires trained personnel with PPE!

Locate the 1/4” schrader valve between the ball valve and oil filter (or the ball valve and oil cooler, if so equipped)

Loosely connect oil pump to schrader valve called out in step 1

Operate oil charging pump until oil appears at the charging valve connection; then tighten the connection

Note: To keep air from entering the oil, the charging valve connection must be air- tight

Close the ball valve just upstream of the schrader valve connected to the oil pump

At the UCP2 display panel, press <Service Tests> and enter the password (++--++) followed by <Enter>)

Press <enter> to access the service tools group

Press <next> 12 times to display “Master Oil Line Solenoid Valve: [Mode]”

Warning: This procedure requires trained personnel with PPE!

Chiller shut down on a 'Low Oil Flow' diagnostic?

Compressor shut down on a 'Loss of Oil at Compressor (Running)' diagnostic?

Pressure drop between the two service valves in the lubrication circuit

If pressure drop exceeds the maximum level, proceed with the following steps

Isolate the oil filter by closing the two ball valves located before and after the filter

Relieve the pressure from the hydraulic line through the 1/4” schrader valve located between the ball valve and the oil filter (or the ball valve and oil cooler, if so equipped)

Use a rubber mallet to break loose the nut that secures the oil filter element to the filter manifold

Turn the nut clockwise until the filter element detaches from the manifold

WARNING: Hazardous Voltage! Disconnect all electrical power, including remote disconnects before servicing. Failure to disconnect power before servicing can cause severe personal injury or death.

Perform all weekly and monthly maintenance procedures.

Check the refrigerant charge and oil level.

Routine oil changing is not necessary on a hermetic system.

Have a qualified laboratory perform an oil analysis to determine system moisture content and acid level.

IMPORTANT: Due to the hygroscopic properties of the POE oil, all oil must be stored in metal containers. The oil will absorb water if stored in a plastic container.

Check the pressure drop across the oil filter.

Contact a qualified service organization to leak check the chiller, to inspect safety controls, and inspect electrical components for deficiencies.

Inspect all piping components for leakage and damage.