Carrier 50NC Series - Page 21

21
Connection of the CO air quality probe
There are diff erent options:
● Ambient air quality probe.
● Return air quality probe (duct-mounted).
● Probe installed on the master unit of the shared network
(SHRD).
● Double quality probe:
- Two ambient air probes.
- One ambient air probe and one outdoor air probe.
- One return air probe (duct-mounted) and one outdoor air
probe.
Installation in the environment
● This probe must be fi xed to the interior wall of the room to be
conditioned, at ca. 1.5 m height in the room and at least 50
cm from the next wall.
● It should never be mounted:
- On outside walls.
- In niches or behind curtains.
- Above or near heat sources or shelves.
- On walls covering heat sources such as a chimney.
- In the radiation range of heat sources and lighting bodies
e.g., spotlights.
- In areas exposed to direct solar radiation.
Duct-mounted (return air)
This version can be connected to the air duct in these two ways:
Electrical connection
This probe (S10) is confi gured as analogue output 4…20 mA
(0..2000 ppm), in the analogue input B10 of the control board
(connector J18).
Recommended cable section: 1 mm
2
.
Ambient probe (environment)
Return probe (duct-mounted)
8 - ELECTRICAL CONNECTION
M16x1,5
Ø > 13mm
Ø > 0.51“
19mm
0.75“
90
±0.3
mm
3.54
±0.11
“
5mm
0.2“
60
±0.3
mm
2.36
±0.11
“
Ø > 16mm
Ø > 0.63“
6mm
0.24“
Outdoor installation
M16x1.5
19mm
0.75“
90
±0.3
mm
3.54
±0.11
“
46mm
1.81“
5mm
0.2“
The second probe (S10-2) is confi gured as analogue output
4…20 mA (0..2000 ppm), in the analogue input B1 of the
expansion card pCOe with address 9 (connector J9).
Recommended cable section: 1,5 mm
2
.
Environment or outdoor:
Note: This probe must be located outdoors but under cover.
+V
GND
RH
T
CO2
GND
1
2
3
4
5
6
110
111
210
B1 (J9)
pCOe adr.9
S10-2
Electrical
cabinet
+V
GND
RH
T
CO2
GND
1
2
3
4
5
6
110
111
109
B10 (J18)
S10
Electrical
cabinet
+V
GND
GND
CO2
NC
Tpassive
Tpassive
1
2
3
4
5
6
7
110
111
109
B10 (J18)
S10
Electrical
cabinet