Part 3
Note: Check if outdoor stop valve has been open fully. When there is only
master unit, please confirm if the oil pipe stop valve has been close fully.
2.3 State setting of trial operation
Confirm being electrified
Indoor and outdoor are electrified respectively and then check as the
following table:
No.
inspection items
results
1
If outdoor connecting board is electrified; if digital tube is working well
(when moving the dip switch, check if digital tube data changes.
2
3
If indicator LED2 and LED5 of communication between master unit and
connecting board flash.
4
If the outdoor quantity that master unit searched is correct. If there is one
slave unit, LED on master unit will display 0000, 1111 repeatedly; if there
are two slave units, LED on master unit will display 0000, 1111, 2222
repeatedly... and so on.
5
6
7
If indoor/outdoor communication indicator LED4 and LED7 flash.
Check if the outdoor data is correct by the dip switch on outdoor connecting
board or the testing device and the software. Check the data such as
outdoor sensor, EEV open angle, etc.
Check if the oil temp. sensor at compressor bottom is over 35 degree, if
less than 35degree, please electrify the outdoor for 12 hours; if more than
35 degree, please make compulsory operation. Otherwise the unit will not
start up, even in compulsory operation.
Check if the indoor data is correct by the dip switch on indoor connecting
board or the testing device and the software. Check the data such as
indoor sensor, EEV open angle, etc.
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