Trane RAUL 190, Manual

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12 RAU-SVX01G-GB
General start-up
Start-up Preparation
Carry out all operations on check list and that the unit is correctly installed and ready to operate.
The installer must check all the following points before calling in the Trane Servicing Department to put the
equipment into service:
– Check position of unit.
– Check unit is level.
– Check type and position of rubber pads.
– Check clearance required for maintenance access (See submittals).
– Check clearance around condenser (See Submittals).
– Check Filter(s) dryer are present.
– Insure that thermostatic expansion valve(s) are well positioned.
– Insure that air discharge temperature sensors are well positioned.
– Insure that the isolation resistance of all power supply terminals to ground complies with standards and
regulations in force.
– Check that unit voltage and frequency supplied match rated input voltage and frequency.
– Check that all electrical connections are clean and sound.
– Check that main power supply switch is sound.
– On start-up of each motor in the system, check the direction of rotation and operation of all the components
they drive.
– Check that there is suffi cient demand for cooling on the day of start-up (around 50% of nominal load).
Start-up
Follow the instructions below to correctly start-up the unit.
Installation and unit inspection:
– Ensure that all the operations above (start-up preparation), are followed.
Follow the instruction stuck inside the electrical cabinet:
– Unscrew the screws securing the isolators located under the rails supporting the compressor.
– Put the plexiglass supplied by Trane in front of the power terminal.
– Ensure all refrigerant valves are in service positions.
– Ensure that the unit is not damaged.
– Check fi xing of capillary tubes (protection from vibration and from wear) and ensure that they are not damaged.
– Reset all manually set control devices.
– Check refrigerating circuits tightness.
Checking and setting:
Compressors:
– Check oil level at rest. The level should reach at least halfway up indicator located on housing. See fi g. 4 for
correct level.
Figure 4 – Compressor oil level
Max oil level
Min oil level