4.1 Setting of Master Unit
(1) Indication of Master Unit Setting Mode
When the central station is changed to the master unit setting mode, the LCD indication on the central station
is as shown below. The indication of the group to be set is fl ickered. The refrigerant cycle No. (hereafter called
"Ref. No.") and the indoor unit address (hereafter called "I.U. Add.") indicates the address of the indoor unit which
is set as the master unit of the group to be set. The "
!
" indication of group fl ickers in case that the master unit of
the group is set. When the "SET" indication appears, the indoor unit indicated on LCD is set as the master unit.
In case that the master unit is not set, "- -" is indicated at Ref. No. and I.U. Add., and the "SET" indication does
not appear.
*
When there is one or more group with indoor unit set as master unit in the zone, the zone indication "
!
" turns ON.
SET
CHECK
ZONE GROUP
"1" shows the master
unit setting mode.
Group No. To Be Set
Zone No. To Be Set
Ref. No. of Indoor Unit To Be Set
(Can be changed by depressing the "
,
" (TEMP) switch.)
When the "SET" indication appears, the indicated
indoor unit is set as the master unit. (When "SET"
does not appear, the master unit is not set.)
Address of Indoor Unit To Be Set
(Can be changed by depressing the "
,
" (TEMP)
switch.)
When the "CHECK" indication appears, the central
station is in the check mode.
Condition of Master Unit Setting for Each Zone
(
!
is ON: There is any group with the master unit set./
!
is OFF: There is no group with the master unit set.)
Condition of Master Unit Setting for Each Group
(
!
is ON: The master unit is set. /
!
is OFF: The master unit is not set.)
The above fi gure shows that the indoor unit of Ref. No. "00" and I.U. Add. "02" is set as the master unit for Group 1 of Zone 1.
(2) Procedure of Master Unit Setting
a. Screen Change for Master Unit Setting
Keep depressing the "CHECK" switch for 3 seconds during all the
indoor unit is stopped (with "RUN" indicator OFF). The "CHECK"
indicator turns ON, and it shows the state is changed to the CHECK
mode. In addition, "1" (master unit setting mode) is turns ON at the
7-segment indicator for checking.
b.
Select Zone to Be Set
Depress the "ZONE" switch, and the fl ickering indication of zone No.
is changed in order as shown below.
CHECK
ZONE GROUP
CHECK
ZONE GROUP
c. Select of Group No. To Be Set
Select the group to be set by depressing the "GROUP" switch.
The fl ickering indication of group No. is moved in order as shown
below every time the "GROUP" switch depressed.
1 2 3 4
1 2 16
CHECK
ZONE GROUP
When the main unit of the selected group is already set, the Ref.
No. and I.U. Add. of the main unit already set are indicated and the
"SET" indication appears.
d. Selection of Indoor Unit To Be Set
Select the refrigerant system address and indoor unit address to set.
The refrigerant system address is changed by depressing "
,
" (TEMP)
switch and the indoor unit address is changed by depressing "
,
"
(TEMP) switch in order as shown below. In this case, the switch is
kept depressing, and the indication of the refrigerant system address
or the indoor unit address is fast-forwarded.
CHECK
ZONE GROUP
00 01 02 63
The above fi gure shows the case of
selecting Zone "2".
The above fi gure shows the case of
selecting Zone "2" and Group "5".
The above fi
gure shows the case of
selecting Ref. No. "3" and I. U. Add. "6".
HYJE-D02H
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