42 MS-SVN056C-EN
Electrical Wiring
Power sepcifications
Refer to following pages for electrical specifications of the entire system.
Note: Any wrong wiring may cause malfunction of some electrical parts.
Operating test
Once the installation has finalized, and before perfoming the operating test, verify the following
aspects of the installation:
• Appropriate installation of indoor unit and outdoor unit
• Appropriate connection of piping and wiring
• All leaking tests performed
• Drain system free of obstructions
• Insulation integrity of the system
• Grounding integrity of electrical system
• Logging of piping length and additional refrigerant
• Specified voltage matches nominal voltage for the air-conditioning unit
• Indoor/outdoor unit air inlets and outlets free of obstructions
• Valves in open position on gas and liquid sides
• Air-conditioning unit preheated through supply of electric heat
Install remote controller support in appropriate place from which spot the signal can easily reach
the indoor unit.
Using the remote controller, place the unit in Cooling Mode. Verify the correctness of the following
functions. If malfunction is detected, consult indications in the Troubleshooting section of the unit‘s
Operation Manual:
Indoor unit
• Remote controller switch functionality
• Remote controller buttons functionality
• Air louver normal operation
• Room temperature well adjusted
• Indicating lights light up normally
• Manual button normal operation
• Unit draining system functionality
• Vibration and noise not detected during operation
• Heating mode normal operation (if available)
Oudoor unit
• Vibration and noise not detected during operation
• Refrigerant leaks not detected
Note: A protection device on the unit will display a 3 minute compressor delay during
start-up as well as during re-start.
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