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(8) Cautions for servicing (for R410A and compatible machines)
(1) To avoid mixing of different types of oil, use separate tools for each type of refrigerant.
(2) To avoid moisture from being absorbed by the ice machine oil, the time for when the refrigerant circuit is open should be kept
as short as possible.
(Within 10 min. is ideal.)
(3) For other piping work, airtighteness testing , vacuuming, and refrigerant charging, refer to section 4, REFRIGERANT PIPING.
(4) Diagnostic Inspection Procedures
For the meanings of failure diagnosis messages, please refer to the technical manual.
(5) 7-segment LED indication
Data are indicated when so chosen with the indication selector switch. For the details of indication, please refer to the
technical manual.
(9) Setting function with the wired remote controller
(a) The functional setting.
• The initial function setting for typical using is performed automatically by the indoor unit connected, when remote controller and
indoor unit are connected.
As long as they are used in a typical manner, there wiil be no need to change the initial settings.
If you would like to change the initial setting marked “
” , set your desired setting as for the selected item.
The procedure of functional setting is shown as the following diagram.
[Flow of function setting]
Start : Stop air-conditioner and press “
” (SET) and
“ ” (MODE) buttons at the same time for over three seconds.
Finalize : Press “
” (SET) button.
Reset : Press “
” (RESET) button.
Select : Press
button.
End : Press
button.
It is possible to finish above setting on the way,
and unfinished change of setting is unavailable.
Record and keep the
setting
Note 1: The initial setting marked is decided by connected indoor and outdoor unit, and is automatically defined as following table.
Function No.
Remote controller
function02
Remote controller
function06
Remote controller
function07
Remote controller
function13
Remote controller
function15
Default Model
Indoor unit with only one of air flow setting
Heat pump unit
Exclusive cooling unit
"Auto-RUN" mode selectable indoor unit.
Indoor unit without "Auto-RUN" mode
Indoor unit with two or three step of air flow setting
Indoor unit with only one of air flow setting
Indoor unit with automatically swing louver
Indoor unit without automatically swing louver
Indoor unit with three step of air flow setting
Indoor unit with two step of air flow setting
Item
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