iSMA-B-FCU Quick Start-up
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DMP245en | 1st Issue rev. 1 | 04/2022
page 30 of 56
5 All Configurations for FCU Default Application
DIP Switch
5
6
7
8
Setting
Temp. source
OFF
OFF
iSMA-B-LP/Touch
Point room panel
OFF
ON
Room sensor (SI3)
ON
OFF
Returning air
temperature
sensor (SI1)
ON
ON
Temperature from
Modbus network
Fan
OFF
OFF
Analog control
OFF
ON
1 speed
ON
OFF
2 speeds
ON
ON
3 speeds
Table 7. DIP switch settings for selecting a temperature source and fan type
DIP
Switch
1
2
3
4
5 & 6
7 & 8
Function FCU
Pipe
Mode
Heating
Cooling
Control
Temperat
ure source
Fan
Off (4-
pipe)
On (2-
pipe)
Off (1-
stage)
On (2-
stage)
Off (1-
stage)
On (2-
stage)
Off
(digital)
On
(analog)
For
configurati
on see
table
above
For
configura
tion see
table
above
1
4-pipe
1-stage
heating
1-stage
cooling
Digital
control
iSMA-B-
LP/Touch
Point
room
panel
Analog
control
2
4-pipe
1-stage
heating
1-stage
cooling
Digital
control
iSMA-B-
LP/Touch
Point
room
panel
1 speed
3
4-pipe
1-stage
heating
1-stage
cooling
Digital
control
iSMA-B-
LP/Touch
Point
room
panel
2 speeds
