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91 11 31
Operating procedure for Check run
(1) Turn power on to the outdoor unit, indoor units and branch boxes.
After the displayed number of "8888." has been turned off, press
the "CHECK" button.(approximately 2 minutes)
(2) Press and hold the "CHECK" button for more than 3 seconds.
(3) The number of connected branch boxes and indoor units will be
displayed on the 7 seg. display. Check that the displayed number
matches the actual number of connected units. Do not perform the
Check run if the displayed number of units is in error. If the Check run
was performed with the number of units in error, check the state of the
units and then perform the Check run again.
1 If the displayed number of units matches the installed number,
go to (4)
2 If the displayed number does not match the installed number,
check the following.
•
Are all the Branch boxes turned on? → Check that the
Branch boxes are turned on, and go to (4).
•
Are connection cables connected to all of the indoor units?
→ T urn of the power, connect the
Connection cable and go to (1).
(4) Press and hold the "CHECK" button again for more than 3 seconds.
•
The Check run will start.
In the Check run, the following items will be checked.
1 The wiring and piping between the indoor units and the Branch
box
2 Valve opening
•
To make a
n enforced stop, press the "MODE/EXIT" button. You
cannot execute the stop operation using the remote control.
•
To prevent electric shock, close the service panel during the
Check run.
(5) The Check run will stop automatically after all items are completed.
When an error occurs, consult the following error display items.
Correct the error, and carry out the Check run again.
* When the error display appears even though the measures
for error are taken, switch on the power again after turning off
the power. When the power is turned on again after turned off,
wait approx. 10 minutes and turn on the power again.
●
(
: On,
: Blinking,
POWER
ERROR
MODE
(LED982)
7 seg.display
(LED981)
CHECK
(Press and hold for more
than 3 seconds.)
[Example of 7 seg. display]
(Press and hold for more
CHECK
than 3 seconds.)
(currently
operating)
(operation has finished
normally (without error))
(Press the MODE/EXIT button.
MODE/EXIT
"END" has been turned off.)
○
: Off)
Number of
indoor units
Number of
branch boxes
En-31
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