Daikin 3MXL24WMVJU9 Посібник з монтажу - Сторінка 19
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2.
Trial operation and testing
• During the trial operation, first check the operation of each unit individually. After this, check the simultaneous operation of
all indoor units. Check both COOL and HEAT operations.
2-1. Measure the supply voltage and make sure that it is within the specified range.
2-2. In COOL operation, select the lowest programmable temperature;
in HEAT operation, select the highest programmable temperature.
• When operating the air conditioner in COOL operation in winter, or HEAT operation in summer, activate trial
operation mode by following the instructions in the installation manual for the indoor unit.
2-3. Carry out the trial operation following the instructions in the operation manual to
ensure that all functions and parts, such as the movement of the flap, are working
properly.
• To protect the air conditioner, restart operation is disabled for 3 minutes after the system has been turned off.
• When trial operation is conducted in HEAT operation directly after the circuit breaker is turned on, in some cases no
air will be output for about 3 to 20 minutes in order to protect the air conditioner.
• During COOL operation, frost may form on the gas stop valve or other parts. This is normal.
2-4. After running the unit for about 20 minutes, measure the temperatures at the
indoor unit inlet and outlet.
• If the measurements are above the values shown in the table below, then they are normal.
Temperature difference between
inlet and outlet
2-5. After trial operation is complete, set the temperature to a normal level (78°F
to 82°F (26°C to 28°C) in COOL operation, 68°F to 75°F (20°C to 24°C) in HEAT
operation).
• The air conditioner draws a small amount of power in its standby mode. If the system is not to be used for some time after
installation, shut off the circuit breaker to eliminate unnecessary power consumption.
• If the circuit breaker trips to shut off the power to the air conditioner, the system will restore the original operation mode
when the circuit breaker is opened again.
3.
Test items
Indoor and outdoor units are installed securely.
No refrigerant gas leaks.
Refrigerant gas and liquid pipes and indoor drain hose extension
are thermally insulated.
Draining line is properly installed.
System is properly grounded.
Only specified wires are used for all wiring, and all wires are
connected correctly.
Indoor or outdoor unit's air inlet or air outlet are unobstructed.
Stop valves are opened.
Pipes and wires are connected to the corresponding terminal
blocks/connection ports for the connected unit.
The priority room setting is set for only 1 room.
Indoor unit properly receives remote control commands.
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English
Test item
COOL operation
HEAT operation
About 14°F (8°C)
About 36°F (20°C)
(When running in one room)
Symptom
Fall, vibration, noise
Incomplete cooling/heating function
Water leakage
Water leakage
Electrical leakage
No operation or burn damage
Incomplete cooling/heating function
Incomplete cooling/heating function
Incomplete cooling/heating function
The priority room setting will not function.
No operation
Check
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