Test Operation; Check Run - Fujitsu AOU48RLXFZ1 Installation Manual

91

TEST OPERATION

91 11

Check run

After performing the repairs, inspections etc., always carry out the Check run. Normal operation will not be possible
without performing the Check run.
91 11 11 Things to confirm before starting the Check run.
To ensure safety, check that the following work, inspections and operations have been completed.
Check that all work on the piping connecting the outdoor unit, indoor units and branch
1
box has been completed
Check that all work on the wiring connecting the outdoor unit, indoor units and branch
2
box has been completed
Is there a gas leakage? (At pipe connections {flange connections and brazed areas})
3
Is the system charged with the specified volume of refrigerant?
4
Is a breaker installed at the power supply cable of outdoor unit and every Branch
5
boxes?
Are the wires connected to the terminals without looseness, and in accordance with
6
the specifications?
Is the 3-way valve of the outdoor unit open? (Gas pipe and liquid pipe)
7
Is power supplied to the crank case heater for more than 12 hours?
8
9 Has the power supply of the all indoor units turned off ? (Remote controller)
91 11 21 Restrictions applicable when performing the Check run
• When the Check run starts, all indoor units connected to the outdoor unit will start to run automatically. During
the Check run, you cannot check the operation of the indoor units separately. After the Check run, check the
operation of the indoor units separately in normal operation.
• The operable temperature ranges for the Check run are: external temperature -15 to 46ºC(5 to 115°F); room
temperature for cooling 18 to 46ºC(64 to 114°F); room temperature for heating -15 to 37ºC(5 to 98°F).
• In the check run, the conditioner will automatically switch between cooling and heating depending on the
external temperature and internal temperature.
If the external temperature or internal temperature is outside the above operable temperature range, wait until
the temperature is within the operable range and then perform the Check run.
• The Check run can be completed within 1 hour, but may take several hours depending on the external and
internal temperature conditions etc.
• Please do not conduct the Check run with all the windows in the room closed. Otherwise the room temperature
could get too low or too high.
• Depending on the difference of the room temperature of each room, a judgment may be impossible.
En-30
Check Item Check Column