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| EN
SMARTY v2023.1
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section
"ACCESSORIES SETUP (VERSION S300)"
.
8.4. EXTERNAL
CO
2
/RH SENSORS (VERSION 1.1 / 1.2)
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2
/RH (input 0-10VDC) sensors.
Sensors connection:
+24VDC
AI4 (0-10V)
GND
1234
5678
AO1
GND
Vin
T
ra
n
sm
it
er
1
+24VDC
GND
123
AI1(0-10V)
Vin
GND
AO1
T
ra
nsmitter
2
Smarty 3X V 1.1 and Smarty 4X V F2 1.1 come with the integrated RH sensor connected.
Smarty XP 1.2 / Smarty XV 1.2 units feature one connection for external CO
2
/RH (input 0-10VDC) sensors.
Sensors connection:
+24VDC
AI4 (0-10V)
GND
1234
5678
AO1
GND
Vin
T
ra
n
sm
it
er
1
These sensors feature 3 functions: Supply RH, Extract RH and Extract CO
2
.
Supply RH transmitter shall be installed inside supply air duct.
Extract RH and Extract CO
2
transmitters shall be installed inside extract air duct or room.
8.5. ROOM
CO
2
TRANSMITTER INSTALLATION RECOMMENDATION
min. 50 cm
min. 60 cm
150 cm
max. 400m
2
If the duct CO
2
transmitter is used, it must be installed in the extract air duct. To install duct transmitters, hole drilling tools
are required .