Initial Leak Test - Trane R Series Installation Operation & Maintenance

Installation - Mechanical
CAUTION
Equipment Damage!
To prevent capacity reduction and relief valve damage, do not
exceed vent piping code specifications.
Relief valve discharge setpoints are 300 psig. Once the relief valve has
opened, it will reclose when pressure is reduced to a safe level.
Pipe each relief valve on the unit into a common vent line. Provide an access
valve located at the low point of the vent piping, to enable draining of any
condensate that may accumulate in the piping.
WARNING
Contains Refrigerant!
System contains oil and refrigerant under high pressure. Recover
refrigerant to relieve pressure before opening the system. See
unit nameplate for refrigerant type. Do not use non-approved
refrigerants, refrigerant substitutes, or refrigerant additives.
Failure to follow proper procedures or the use of non-approved
refrigerants, refrigerant substitutes, or refrigerant additives could
result in death or serious injury or equipment damage.
If multiple chillers are installed, each unit must have a separate venting for its
relief valves. Consult local regulations for any special relief line requirements.

Initial Leak Test

The RTWA units are shipped with a full charge of refrigerant and oil. Before
operating the unit, install appropriate gauges to verify that the charges are
intact. If there is no pressure, leak test the unit and make the appropriate
repairs.
The RTUA units are shipped with a nitrogen holding charge and a full charge
of oil, excluding the additional charge needed for field piping. Before installing
these units, verify that the holding charge was not lost. Install the appropriate
pressure gauges and measure the pressure. If there is no pressure, leak test
the unit and repair all leaks before installing the interconnecting refrigerant
piping.
The RTCA units are shipped only with a nitrogen holding charge. Prior to
installation, confirm that the charge was not lost. If there is no pressure on
the condensing unit, leak test the unit and make necessary repairs. Then
continue with the refrigerant piping.
44 RLC-SVX07A-EN