Carrier 50FF 020 Installation, Operation And Maintenance Instructions page 33

8 - ELECTRICAL CONNECTION
Humidity probe position
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
Connection of the air quality probe
■ Installation in the environment:
■ Duct-mounted:
W34
Outdoor
humidity
Ø > 16mm
probe
Probe (teminals)
Black: G+
Brown: M
Grey: H
■ Electrical connection:
- 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.
This version can be connected to the air duct in these two ways:
90 mm
±0.3
3.54 "
±0.11
Ø > 13mm
Ø > 0.51"
60 mm
±0.3
2.36 "
±0.11
Ø > 0.63"
6mm
0.24"
- 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 : 1,5 mm
Environment:
S10
110
+V
1
111
GND
2
Electric
3 RH
cabinet
T
4
109
CO2
5
GND
6
B10 (J18)
5mm
0.2"
19mm
0.75"
M16x1,5
2
Duct-mounted:
S10
110
+V
1
111
GND
2
Electric
GND
3
cabinet
109
CO2
4
NC
5
Tpassive
6
B10 (J18)
7 Tpassive
33