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8. Elevating Grille Group Setting and Cancellation
Group setting of the elevating grille refers to a function that allows all settings for the elevating grille (setting of elevating
functions for input 2 and outputs 1 and 2) to be made all at once for all indoor units connected to the controller. Settings
are made by following the procedure as follows.
NOTES:
* In case of using by two controllers (Main and Sub), the settings shall be operated by the main controller.
* Group settings are made to all indoor units connected to the controller regardless of whether or not these are actually provided with
the elevating grille. The indoor unit to be set cannot be selected. (In this case, refer to section 5, “Optional Setting and Input/Output
Setting from Controller”.)
* Please note that when functions other than the elevating grille have been set for input 2 and output 1 and 2, those settings are
cleared (namely, there are overwritten by the elevating grille function).
1. Switch to the elevating grille group setting mode.
2. Elevating grille Group Setting Procedure
"GRL" is
displayed.
Press the "RUN/STOP" switch when making group
settings. (Press the "RESET" switch to return to the
normal mode without making group settings.)
"RESET"
Switch
"RUN/STOP"
Switch
3. Display Following Elevating Grille Group Setting Procedure
"SET" flashes
for 3 seconds.
The elevating grille settings are made for all indoor units
connected to the controller. "SET" flashes for 3 seconds after
settings have been made, and then automatically returns to the
normal mode.
O L
O
C
HIGH
/ C
A
O L
O
C
HIGH
/ C
A
SET
Normal mode (when unit is not operating)
Press the “CHECK” switch and the ”RESET”
switch simultaneously for more than 3 seconds.
2. Select the input/output setting mode.
"02" Indicates.
3. Select the unit to be set.
The address and refrigerant cycle
number of the indoor unit to be
set are displayed (the diagram at
left shows the No. 1 cycle and the
No. 2 indoor unit). All units are
displayed at once when "AA" is
set for both the refrigerant cycle
number and address.
Example: Display in case of
group cancellation of all units.
4. Group cancellation procedure
Press the "
"
switch.
The elevating grille settings for the selected
units are canceled all at once and input
1 and output 1 and 2 are returned to the
factory settings. "NO FUNCTION" flashes
for 2 seconds following this procedure.
"NO FUNCTION" flashes for 2
seconds
Press the "RESET" switch to cancel the
cancellation procedure.
Normal mode
O L
O
C
HIGH
/ C
A
SERVICE
SET TEMP.
O L
O
C
HIGH
/ C
A
SERVICE
ADDS RN
O L
O
C
HIGH
/ C
A
SERVICE
ADDS RN
O L
O
C
HIGH
/ C
A
SERVICE
ADDS RN
NO FUNCTION
Press the "TEMP." or switch,
select the address of the indoor
unit to be set and then press the
"CHECK" switch.
Press the "TEMP." or switch,
select "02" for the input/output
setting mode, and then press the
"CHECK" switch.
When canceling elevating grille settings for
other units, repeat selection of the indoor units
by pressing the "TEMP." or switch.
Normal mode (when unit is not operating)
1. Change to the optional setting mode.
Press the “CHECK” switch and the “RESET”
switch simultaneously for more than 3 seconds.
“SERVICE” is
indicated and the
mode number is
flashed.
317B39060(Q), 2016
© 2016 Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Ltd.
Elevating grille settings can be cancelled all at once by following the procedures as follows.
● Elevating Grille Group Cancellation Procedure
● Elevating Grille Group Setting Procedure
