3
Siemens
A6V11681604_enUS_b
Smart Infrastructure
2022-05-25
No.
Description
1
One-line LCD
2
Free cooling LED
3
Sensor LED
4
DAC (damper actuator) LED
5
Operation button (UP button) - Move to the previous value, step or category
6
Operation button (Down button)- Move to the next value, step or category
7
Operation button (Enter button):
● Press to edit the current value or option.
● Press to confirm a newly selected value or option.
● Press Enter + Up to jump up one entire category.
● Press Enter + Down to jump down one entire category.
8
Configurable I/Os (AUX1-I, AUX1-O and AUX2-I, AUX2-O) for additional stages of
cooling, shutdown, heat conventional (W1), heat pump changeover (reversing
valve O/B), or preoccupancy.
9
5 I/Os (Y1I, Y1O, Y2I, Y2O and OCC) for stages of cooling and occupancy for the
thermostat connections
10
● 2 analog outputs (ACT 2-10 Vdc and VFD 0-10 Vdc) for 2-10 Vdc Damper
actuator and 0-10 Vdc VFD
● 1 analog input for ACT-FB
11
● 6 analog inputs (OAT, RAT, OAH, RAH, MAT and AUX-AI) for:
– Type II NTC 10K or 0-10 Vdc outside air sensor, return air sensor, mixed
air sensor or discharge air sensor
– 0-10 Vdc or 4-20mA combo temperature and humidity sensor
– 0-10 Vdc air quality sensor or pressure sensor
12
RS485 port
13
USB host interface for WLAN stick (POL903.00/100)
LED Indication
Status
Free Cooling LED Sensor LED
DAC LED
Commissioning mode
Yellow Blinking
Yellow Blinking Yellow Blinking
Power start-up
Yellow On
Yellow On
Yellow On
Free cooling is running
Green On
-
-
Free cooling is available but not
running
Green Blinking
-
-
Not economizing when it should Red Blinking
-
-
Economizing when it should not Red On
-
-
Sensors working ok
-
Green On
-
