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SiUS121827E Trial Operation
Part 7 Trial Operation and Field Settings 255
Test Items
With BRC082A43, BRC082A41W, BRC082A42W(S) Wireless Remote Controller
1. Press button and select the COOL or HEAT operation.
2. Press button twice. “TEST” is displayed.
3. Press button within 10 seconds, and the test operation starts.
Monitor the operation of the indoor unit for a minimum of 10 minutes. During test operation, the
indoor unit will continue to cool/heat regardless of the temperature setpoint and room
temperature.
In the case of above-mentioned procedures (1) and (2) in reverse order, test operation can
start as well.
Test operation will stop automatically after 15 ~ 30 minutes.
button.
Some of the functions cannot be used in the test operation mode.
To stop the operation, press
Test items Symptoms
Indoor and outdoor units are installed
securely.
Fall, vibration, noise
Is the outdoor unit fully installed? No operation or burn damage
No refrigerant gas leaks. Incomplete cooling/heating function
Refrigerant gas and liquid pipes and indoor
drain hose extension are thermally insulated.
Water leakage
Draining line is properly installed. Water leakage
Does the power supply voltage correspond to
that shown on the name plate?
No operation or burn damage
Only specified wires are used for all wiring,
and all wires are connected correctly.
No operation or burn damage
System is properly grounded. Electrical leakage
Is wiring size according to specifications? No operation or burn damage
Is something blocking the air outlet or inlet of
either the indoor or outdoor units?
Incomplete cooling/heating function
Are refrigerant piping length and additional
refrigerant charge noted down?
The refrigerant charge in the system is not
clear
Pipes and wires are connected to the
corresponding connection ports/terminal
blocks for the connected unit.
No cooling/heating
Stop valves are opened. Incomplete cooling/heating function
Check that the connector of the lead wires of
the decoration panel is connected securely.
Louvers do not move
Indoor unit properly receives wireless remote
control commands.
No operation
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