Zibro S1731, Service Manual

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EMERGENCY AND TEST OPERATION
Emergency Operation
•
Use this operation only when the remote controller is out of order or lost.
•
When the emergency operation switch is pressed, beep starts once, which
means the start of this operation.
•
In this operation, the system automatically selects the operation modes, cooling
(or heating when available) according to the room temperature, as follows.
•
It is not possible to operate in dry mode.
Test Operation
Test operation switch is same as emergency one.
•
Use this operation only for testing the performance of the machine in
the condition where the room temperature is less than 16
°
C.
•
Continue to press the test operation switch for more than 5 seconds.
After you hear twice beep, release your finger from the switch
: the cooling operation starts with the air flow speed “HI.”
•
If the test operation switch is pressed more than 10 seconds, it doesn’t
work.
• After 30 minutes, test operation ends automatically.
SERVICE FUNCTION EXPLANATION
J1
Soldering
J1
Temperature
ABOVE 23 ℃
BELOW 23 ℃
COOLING
HEATING
26 ℃
23 ℃
CONTINUOUS
CONTINUOUS
AUTOMATIC
AUTOMATIC
Operation Designated
mode temperature
Timer mode Air flow
HOW TO RELEASE EMERGENCY AND TEST OPERATION
•
In case of releasing during those operations, you can either push emergency operation switch once more or
apply operation using remote control.
You will hear a beep sound and emergency/ test operation is released.
•
If you release the operation by remote control, operation will continue as setting of the remote control
automatically.
INTERFERENCE PREVENTION OF SIGNALS FROM THE REMOTE CONTROLLER
When two indoor units used in the same room, interference of the signals may happen. To avoid this, alternative
signal model B can be selected by the following. (Ex-factory setting is mode A)
•
Remote controller side : Have “J1” on the PC board short-circuited by soldering.
•
Indoor unit side : Cut “R13” on the PC board.
Twice beep
Beep