Engineering Manual

DUCT (LOW STATIC) INDOOR UNITS
,QVWDOODWLRQDQG%HVW/D\RXW3UDFWLFHV
1. To access system installer setting mode, press and hold the temperature increase and mode selection
buttons simultaneously for approximately three (3) seconds. Choose setting code value “06” by press-
ing the mode selection button.
2. Use the temperature increase and decrease buttons to select the
desired setting value.
Setting Values
3. Press the on / off button to save the established settings.
4. To deactivate system installer setting mode after the settings have been established, press and hold
the temperature increase and mode selection check buttons simultaneously for approximately three
(3) seconds. If a button is not pressed for more than 25 seconds, the system installer setting mode
will automatically deactivate.
• Select the position after verifying duct work and the external static pressure of the indoor unit.
• Factory set to pressure selection F-H.
Table 47: Static Pressure Setting Table.
Pressure Selection
Function
Zone State External Static Pressure Standard Value
01 V-H Variable High
02 F-H Fixed High
03 V-L Variable Low
04 F-L Fixed Low
TEM P
FA N
SPEED
OPER
MODE
Code
Set Value
Figure 143: Select Code
and Set Value.
01 : V-H
02 : F-H
03 : V-L
04 : F-L
Figure 144: Controller External
Static Pressure Setting Display.
External Static Pressure Control
To provide a required air flow rate that accounts for the external static pressure change, follow the steps
below.
DUCT (LOW STATIC) | 101
Ceiling-Concealed Duct (Low Static)
'XHWRRXUSROLF\RIFRQWLQXRXVSURGXFWLQQRYDWLRQVRPHVSHFL¿FDWLRQVPD\FKDQJHZLWKRXWQRWL¿FDWLRQ
©/*(OHFWURQLFV86$,QF(QJOHZRRG&OLIIV1-$OOULJKWVUHVHUYHG³/*´LVDUHJLVWHUHGWUDGHPDUNRI/*&RUS
MULTI
F
MAX
MULTI
F