Before Test Run; Test Run - Carrier 40VK005S-7S-QEE Manual De Instalación Y Propietario

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Test Run & Fault Code

Before test run

• Before switching on the unit, test the supply terminal tier (L, N terminals) and grounding points with 500V
megaohm meter and check if the resistance is above 1MΩ. The unit cannot be operated if it is below
1MΩ.
• Connect the unit to the power supply of the outdoor units to energize the heating belt of the compressor.
To protect the compressor at start-up, power it on 12 hours prior to the operation.
• Review the test run procedures in the outdoor unit and ensure that the outdoor unit has been properly
installed according to the instructions in the outdoor manual.
Check that all piping has been installed, connected and insulation in accordance with the instructions
provided in the manual.
check if the mains voltage matches
check if there is leakage at the piping joints
check if the connections of mains power and indoor & outdoor units are correct
check if the serial numbers of the terminals match
check if the installation place meets requirements
check if there is too much noise
check if the connecting line is fastened
check if the connectors for tubing are heat insulated
check if the water drains outside
check if the indoor units are positioned
Test run method
Ask the installation personnel to conduct a test run. Conduct the testing procedures according to the
manual and check if the temperature regulator works properly.
When the machine fails to start due to the room temperature, the following procedures can be undertaken
to conduct compulsive running. This function is not provided for the type with remote control.
Set the wired controller to cooling/heating mode, press 'ON/OFF' button for 5 seconds to enter into the
compulsive cooling/heating mode. Press the 'ON/OFF' button again to quit compulsive running and stop the
operation of the air conditioner.
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