Fujitsu 24LMAS1 Kurulum Kılavuzu - Sayfa 11

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Fujitsu 24LMAS1 Kurulum Kılavuzu

4. TEST RUN

4.1. Pre-test run check items

Check items
Is the outdoor unit securely installed?
Have you performed gas leakage inspection?
(Connection joints of various pipes (flange connection, brazing))
Is the heat insulation done completely?
(Gas pipe, liquid pipe, drain hose extension on indoor unit side etc.)
Is the water discharging from drain without any problems?
Are the cables connected correctly?
Are the cables as per specifications?
Is the ground (earth) wire connected accurately?
Are there any obstacles blocking the suction gate, and outlet of
the indoor/outdoor units?
Have you filled the specified amount of refrigerant?
Are the stop valves of gas pipe and liquid pipe fully open?
Has the power been supplied to crankcase heater for more than 6 hours?
After checking that the above items are all in order, refer to "4.2. Test operation method" to
test operation the unit. If there are problems, adjust immediately and recheck.

4.2. Test operation method

Be sure to configure test run settings only when the outdoor unit has stopped oper-
ating.
• Depending on the communication status between the indoor and outdoor units,
it may take several minutes for the system to start operating after settings for the
test run are complete.
• After the test run settings are complete, the outdoor units and the connected
indoor units will start operating. Room temperature control will not activate during
test operation (continuous operation).
• If a knocking sound can be heard in the liquid compression of the compressor,
stop the unit immediately and then energize the crank case heater for a sufficient
length of time before restarting the operation.
Test operation setting method (It can be performed in the following two ways)
• Set with test operation setting (refer to the installation manual of indoor unit for further
details) available in the remote controller.
• Cooling operation and Heating operation can be set using [SELECT] button (S133)
and [ENTER] button (S132) available on the board of display unit.
(Make sure to perform the first test operation with cooling operation.)
Set as per the following procedure.
LED display part
Button part
4.2.1. Setting method on outdoor unit board
(1)
Turn on the power of the outdoor unit and enter standby mode.
"POWER/MODE" display lights on.
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
●
○
●
Sign "
": Lights off, "
": Lights on
(2) Press the [ENTER] button (S132) for more than 3 seconds.
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
Blink
○
●
Sign "
": Lights off, "
": Lights on
(3) Press the [SELECT] button (S133), LED of the test run mode switched between
Cooling and Heating.
Cooling test mode
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
Blink
○
●
Sign "
": Lights off, "
": Lights on
Heating test mode
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
Blink
○
●
Sign "
": Lights off, "
": Lights on
(4) After confirming the operation mode, press [ENTER] button (S132).
The display changes as follows, and the air conditioner starts operation.
Cooling test mode
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
Blink
○
●
Sign "
": Lights off, "
": Lights on
Heating test mode
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
Blink
○
●
Sign "
": Lights off, "
": Lights on
(5) Press [ENTER] button (S132).
Air conditioner stops operation.
PUMP
POWER/
ERROR
DOWN
MODE
(L1)
○
○
●
○
●
Sign "
": Lights off, "
": Lights on

4.3. Checklist

Check items during test operation.
Is the outdoor unit making any abnormal noise or vibrating significantly?
Is the cold air or hot air blowing from indoor unit according to the operation
mode?
Check that the "ERROR" LED blinks.
If, it has displayed, check the error content as per the "10.2. Error code check
table" described later.
Operate the unit according to the operation manual provided with the indoor
unit, and check that it is operating normally.
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
○
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
Blink
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
Blink
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
Blink
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
●
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
●
LOW NOISE
PEAK CUT
(L2)
(L3)
(L4)
(L5)
○
○
○
○
(L6)
○
(L6)
○
(L6)
○
(L6)
○
(L6)
○
(L6)
○
(L6)
○
En-11