4
How to Use the Central Controller
Functions of buttons
A: ALL/ZONE/GR SELECT button
Use this button to select one of the following:
ALL:
Used for turning all the air conditioners on and off.
ZONE:
Used for turning all the air conditioners of each zone on and
off.
GR:
Used for turning all the air conditioners of each group on and
off.
A maximum of four zones and 16 groups (units) in a zone can be
set.
B: ZONE select button
Use this button to select a zone (1 to 4) to operate individually.
C: GROUP select buttons
Use these buttons to select a group (1 to 16) to operate individually.
A: ALL/ZONE/GR
SELECT button
F: Operation
lamp
E: OFF button
B: ZONE select
button
D: ON button
C: GROUP select
buttons
H: Temperature
setting
buttons
G: MODE
button
I: FAN SPEED button
J: FLAP
button
M: SET button
N: CL button
L: CENTRAL
CTRL
button
K: CHECK
button
O: VENTILATION
button
ALL
ZONE2
GR2
UNIT
GR1
UNIT
UNIT
GR1
UNIT
UNIT
UNIT
GR3
UNIT
GR2
UNIT
GR3
UNIT
ZONE1
NOTE
OI-673-04EG
01_TCB-SC642TLE_EG.fm Page 4 Friday, June 18, 2004 10:02 PM
