Johnson Controls HIDH018B21S, Engineering Manual

Page: 329 / 668

CONTROL SYSTEM
TC-15001-rev.3
6-13
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Test Run Setting: 2 units
MODE : COOL
SPEED :
ON Rtrn Sel. Adj. BACK
1) Turn ON the power supply
for all the indoor units.
2) For the models with the
auto-address function,
wait for approximately
three minutes. The
address is automatically
performed. (There may be
a case where the setting
condition requires up to
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After that, select the
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Refer to the Operation
Manuals for details.
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simultaneously for at least
three seconds. The test
run menu will be displayed.
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pressing “ ´DQGSUHVV
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screen displays.
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When "00" is indicated,
the auto-address function
may be operating.
Cancel "Test Run" mode
and set it again.
* The total number of the indoor units connected is
indicated on the liquid crystal display (LCD).
* If the indicated number is not equal to the actual
connected number of the indoor unit, the auto-
address function is not performed correctly due to
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Turn OFF the power supply and correct the wiring
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(Do not turn both ON and OFF within 10 seconds.)
1. Power supply for indoor unit is not turned ON or
incorrect wiring.
2. Incorrect connection of cable between indoor
units or incorrect connection of controller cable.
3. Incorrect setting of rotary switch or DIP switch
on the indoor units’ printed circuit board (PCB).
(The setting is overlapped.)
5) Test Run
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(2) When the unit is not operating, press “ ´2Q2II
6.2.7 Operation
Refer to the Operation Manual for details.