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Installing Remote Indoor Temperature/Humidity Sensor(s)
One remote indoor temperature/humidity sensor and 35' of 18 gauge 5-conductor shielded cable is included with the
controller. This sensor must be installed for proper operation. Mount the temperature/humidity sensor in a location
least likely to be affected by open doors, rack-mounted fans, radiant heat sources, etc. Locating the sensor between
both return grilles is often the best location, but every installation is unique. Location height should be approximately
60" above the floor. The sensor should be installed on a 2" x 4" junction box to allow for control wire conduit. Use
shielded cable to connect to controller.
1.
Connect wires from the 18 gauge shielded cable to terminals #12, #13, #18, #19 and #22.
Wire
TB#
Mark
18
B6
19
GND
12
B2
13
GND
22
+VDC
5
6
7
8
9
10
11
12
2.
Connect the other end of the shielded cable to the sensor terminals.
Be sure wires are connected to proper terminals as shown in table
above.
Sensor jumpers need to be positioned for 0-1 V. With sensor oriented
as shown in image to right, move both jumpers to right position (DP1
and DP2 set to OFF). This applies to all indoor temperature/humidity
sensors connected to the LC controller. See illustration mounted
inside of sensor cover for further detail on jumper position.
Earlier versions of this sensor may be mounted in a different
orientation which would affect the positioning of the sensor jumpers.
See page 47 for additional information on sensor orientation.
Remote Indoor Temperature/Humidity Sensor Installation
Sensor
NTC OUT Indoor Remote Sensor (Zone 1)
NTC OUT Ground
OUT H
Remote Indoor Humidity Sensor: 0-1 VDC (Zone 1)
M (GO)
Ground
+ (G)
Power for B2
20
21
22
13
14
15
16
17
18
19
FIGURE 22
Description
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Jumper
DP1
DP2
Manual 2100-704C
Page
25 of 47
53
54
55
56
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