Carrier 50FC 020-099, Installation, Operation And Maintenance Instructions, Page: 32 / 80

32
Outdoor
humidity
probe
The installer must feed the W34 cable through the M16
feedthrough to connect it in the BOX3, located inside the unit,
behind the side access panel.
■
Electrical connection:
BOX3 (teminals)
Black: 35
Brown: 31
Grey: 36 Probe (teminals)
Black: G+
Brown: M
Grey: H
Connection of the air quality 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:
This version can be connected to the air duct in these two ways:
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“
■
Electrical connection:
- This probe (S10) is con
fi
gured as analogue output 4…20
mA (0..2000 ppm), in the analogue input B10 of the control
board (connector J18).
- Recommended cable section : 1,5 mm
2
+V
GND
RH
T
CO2
GND
1
2
3
4
5
6
110
111
109
B10 (J18)
S10
Electric
cabinet
+V
GND
GND
CO2
NC
Tpassive
Tpassive
1
2
3
4
5
6
7
110
111
109
B10 (J18)
S10
Electric
cabinet
Environment: Duct-mounted:
8 - ELECTRICAL CONNECTION
Humidity probe position
W34