15
RAU-SVX01G-GB
Operation
Control System
The control is through the CH530 control module.
Unit operations
– Start-up the unit by pushing «auto» on the control module screen.
Week end shutdown
– If the unit needs to be shut down for a short period of time, push the «stop» button of the module.
– If the unit is shut down for a longer period, see under ”Seasonal shutdown”, below.
– Insure that all safeties are taken to protect the compressor against refrigerant migration.
– Do not put the general and control disconnect switches to off.
Seasonal shutdown
– If the unit needs to be shut down for a short period of time, push the «stop» button of the module.
– Carry out leak test.
– Carry out oil analysis
– Record operating pressures, temperatures, amperages and voltage.
– Check operation of machines/ compare conditions of operation against original commissioning data.
– Push the “stop” button of the module.
– Insure that all safeties are taken to protect the compressor against refrigerant migration.
– Fill out the visit log sheet and review with the operator.
– Do not put the general and control disconnect switches to off.
Seasonal start-up
– Check operational set points and performance.
– Calibrate controls.
– Check operation of all safety devices.
– Inspect contacts & tighten terminals.
– Megger the motor compressor windings.
– Record operating pressures, temperatures, amperages and voltage.
– Carry out leak test.
– Check confi guration of unit control module.
– Change the oil as required based upon results of the oil analysis made during seasonal shutdown.
– Check operation of machines/ compare conditions of operation against original commissioning data.
– Fill out the visit log sheet and review with the operator.
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