Service manual

78
FUNCTION
FUNCTION
4
44
Setting the indoor unit number
Press D(CLOCK ON OFF) and [--] will start to flash in the unit
number display (4) .
Press C (TIMER SET) button to select the unit
number from 00, 01, 02, 03, 04, and AL.
Set the unit number to 00 if the mode such as power failure automatic recovery, indoor temperature detecting or
LOSSNAY connectivity is desired to be selected.
Select the unit number from 01 to 04 if the function setting is desired to be done for each of them individually.
Set the unit number to AL if the function setting is desired to be done for all of units simultaneously.
55
Confirming the refrigerant address and indoor unit number
Press E MODE button to confirm the refrigerant address and
unit number.
After a while, [--] will flash in the mode number display (I).
FUNCTION
1
WIf [88] appears in the room temperature display section, the
selected refrigerant address does not exist in the system.
Also, if [F] appears in the unit number display section, the
selected unit number does not exist. Enter the correct refrig-
erant address and unit number at steps 2 and 3.
Designated indoor unit starts fan draft operation by pressingE
MODE button. Check which indoor unit is designated for func-
tion setting by doing this. In addition, all the units of the
selected refrigerant address start fan draft operation if the unit
number is set to 00 or AL.
Example) When the refrigerant address is set to 00 and the
unit number is 02;
(a)
(c)
(h)
(g)
(b)
(f)
(d) (e)
3 00 refrigerant address
(a) Outdoor unit
(b) Indoor unit
(c) Unit number 01
(d) Unit number 02
(e) Unit number 03
(f) Fan draft
(g) Designation
(h) Remote controller
66
Selecting the mode number
Press F (TEMP) buttons to set the desired mode number. (It is possible to set the number of available mode only.)
FUNCTION
1
WIf any undesignated indoor units start fan draft operation
under multiple refrigerant grouping system, refrigerant
addresses may be overlapped. Reassign refrigerant address-
es at the DIP switch of the outdoor unit.
77
Selecting the setting of designated mode
Press G button, and the setting number will start to flash.
Check the current status of the setting by doing this.
FUNCTION
FUNCTION
2
2
Press F (TEMP) button to select the setting num-
ber.
OC294-D-3.qxp 05.3.9 11:04 AM Page 78