Wiring Requirements
CAT 5 Cable
Thermostat Cable
The Remote Sensor should be connected to the thermostat using
two conductor thermostat cable (18-24 gauge) or solid conductor
CAT 5, CAT 5e, or CAT 6 type network communication cable. This is
an unshielded cable with four twisted pairs of 24 gauge solid wire.
The cable length should not exceed 250 feet.
IMPORTANT: Do not run sensor wiring in the same conduit as the
24VAC thermostat wiring. Electrical interference may cause the
sensor to give incorrect temperature readings.
Remote Sensor
Circuit Board
The connection between the Remote Sensor and the
thermostat must be wired per the connection diagram.
Only two conductors are used, therefore the extra
conductors should be cut from each end of the cable to
prevent shorting. Follow the color coding as shown.
WARNING
Turn off power to the thermostat before wiring. Death
or injury from electric shock could result.
Sensor Wiring
Secure the Remote Sensor top cover to the wall plate
using the supplied standard or tamper proof screws.
OVERRIDE
RS
RS-GND
RS+5
OVERRIDE
Sensor Assembly
NOTE: All sensor wiring
must be in compliance
with all applicable local
and national codes.
Air Temperature vs.
Temperature Resistance
REMOTE SENSOR
with OVERRIDE BUTTON
MODEL
©Venstar Inc. 8/11
P/N 88-941 Rev. 1
F
C
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
Air Temperature
Ohms
Resistance in
-28.9
106926
-23.3
80485
-17.8
61246
-12.2
47092
-6.7
36519
-1.1
28558
4.4
22537
10
17926
15.6
14356
21.1
11578
26.7
9398
32.2
7672
37.8
6301
43.3
5203
48.9
4317
Thermostat
REMOTE/
OUTDOOR
White +
Black -
Remote Sensor
Circuit Board
ACC-TSENWB
