Multi F Engineering Manual

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100

DUCT (LOW STATIC) INDOOR UNITS

Installation and Best Layout Practices

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.

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7DEOHStatic Pressure Setting Table.

Pressure Selection

Function

=RQH6WDWH 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

)LJXUHSelect Code

and Set Value.

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)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 (LOW STATIC) | 93

Ceiling-Concealed Duct (Low Static)

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MULTI

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MULTI