Engineering Manual

MULTI
F
MAX
MULTI
F
,QVWDOODWLRQDQG%HVW/D\RXW3UDFWLFHV
DUCT (HIGH STATIC) INDOOR UNITS
 To access system installer setting mode, press and hold the temperature increase and mode selection
EXWWRQVVLPXOWDQHRXVO\IRUDSSUR[LPDWHO\WKUHHVHFRQGV&KRRVHVHWWLQJFRGHYDOXH³´E\SUHVV-
ing the mode selection button.
 Use the temperature increase and decrease buttons to select the
desired setting value.
Setting Values
 3UHVVWKHRQRIIEXWWRQWRVDYHWKHHVWDEOLVKHGVHWWLQJV
 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
VHFRQGV,IDEXWWRQLVQRWSUHVVHGIRUPRUHWKDQVHFRQGVWKHV\VWHPLQVWDOOHUVHWWLQJPRGH
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.
7DEOHStatic Pressure Setting Table.
Pressure Selection
Function
Zone State External Static Pressure Standard Value
 V-H Variable High
 F-H Fixed High
 V-L Variable Low
 F-L Fixed Low
TEM P
FA N
SPEED
OPER
MODE
Code
Set Value
)LJXUHSelect Code
and Set Value.
9+
)+
9/
)/
)LJXUH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 (HIGH STATIC) | 119
Ceiling-Concealed Duct (High 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