MS-SVN084A-EN
17
Installation Check and Trial Run
Checking Items after Installation
Items to be checked Problems might happen due to improper installation Check
Check if the unit has been installed correctly. The unit might vibrate or emit noise.
Check if the unit has passed the leakage test. May cause cooling (heating) capacity loss.
Check if the unit has been insulated properly. It may cause condensation.
Check if the condensate drains freely. It may cause water damage from condensate.
Check if the power voltage matches the nameplate. Electrical damage to components may occur.
Check if the wiring has been installed correctly. Electrical damage to components may occur.
Check if the unit has been grounded properly. Electrical damage to components may occur.
Check if the wiring is the correct wire gage. Electrical damage to components may occur.
Check if there is any obstruction blocking the air inlet/outlet. Cooling (heating) capacity will be affected.
Make sure that supply and return ducts are properly
connected.
Air leakage, vibration and noise may result if not connected
properly.
Trial Run
PPrreeppaarraattiioonn ffoorr TTrriiaall RRuunn
1. Never power on the unit until all the installation
work has been done.
2. All the control circuit and wiring has been
connected correctly and is secure. Valves on the
gas and liquid line should be completely open.
3. Check if the unit appearance and piping system has
been damaged during installation.
4. Check if the terminals are loose and the phases are
correct.
TTrriiaall RRuunn
1. Trial run should be done by trained personnel only
after above items have been checked.
2. Power on the unit.
3. Check that the unit operates as expected.
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