Hitachi SET FREE Series Instruction Manual page 66

COMMISSIONING
11.2 CarrY oUt tHe test rUn
• Check that the stop valves on the outdoor unit are fully open (gas, low-pressure: only in heat recovery systems) and start the
system. (Where base units are combined, check that the stop valves on all outdoor units connected are fully open).
• Carry out the test run on the indoor units in sequence, one by one. Then check the concordance of the refrigerant pipe system
and the electrical wiring system. (System conformity cannot be checked if there are several indoor units operating at the same
time.)
• Follow the procedure indicated below to carry out the test run. Make sure the test run is completed problem-free.
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n o t e
Where there are two remote controls (main and secondary), first carry out the test run using the main remote control.
11.3 test rUn ProCeDUre BY remote Control sWitCH (PC-arfPe eXamPle)
1 Turn ON the power supply for all the indoor units.
2 For the models with the auto-address function, wait for 3
minutes approximately. The addressing is automatically
performed. (There is a case that 5 minutes is required according
to the setting condition.) After that, select using language from
"Menu". Refer to the operation manual for details.
3 Press and hold " " (menu) and " " (return) simultaneously for
at least 3 seconds.
a. The test run menu will be displayed.
b. Select "Test Run" and press "OK". The test run settings will
be displayed.
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n o t e
When "00" is indicated, the auto-address function may be performing.
Cancel "Test Run" mode and set it again.
4 The total number of the indoor units connected is indicated
on the LCD (liquid crystal display). The case of the twin
combination (one (1) set with two (2) indoor units) is indicated
"2 units", and the triple combination (one (1) set with three (3)
indoor units) is indicated "3 units".
a. If the indicated number is not equal to the actual connected number of indoor unit, the auto-address function is not performed
correctly due to incorrect wiring, the electric noise or etc. Turn OFF the power supply and correct the wiring after checking the
following points; (Do not repeat turning ON and OFF within 10 seconds.)
56 PMML0479 rev.2 - 02/2018
A/C Meeting Room FLTR
MODE SPEED LOUV. TEMP
COOL
HIGH
Motion Sensor is activated
LOUV. ADJ

OK
?

test run screen
Test Run Menu
Test Run
01
Function Selection
Thermistor Selection
/
Input/Output
03
Function 5
SEL. OK ENT. RTN.
ADJ
Test Run Setting: 2 units
COOL
MODE
SPEED MED
LOUV.
T-RUN TIME 120MIN
SEL. ADJ RUN RTN.
Test Run Setting: 00 unit
COOL
MODE
SPEED MED
LOUV.
T-RUN TIME 120MIN
SEL. ADJ RUN RTN.
Test Run Setting: 2 units
MODE COOL
SPEED MED
LOUV.
T-RUN TIME 120MIN
SEL. ADJ RUN RTN.