4
• Temperature monitoring - two internal
thermistors, range 32°F (0°C) to 99°F (37°C).
• External indoor temperature sensor connections
sensor in parallel may be used.
• External occupancy sensor connection (24VAC).
•
• Maximum load per terminal - 1 amp
• Power supply range 18 to 30 VAC
•
Product Dimensions
Unit Dimensions (H x W x D)
x 22mm)
Wall Plate Dimensions (H x W)
Wiring Specications
Communication Wire
Use one of the following Lennox communication ca-
bles (twisted pair with shield plenum):
Table 2. Twisted Pair Communication Wiring
(S-Bus - Yellow)
Catalog
Numbers
Item
27M19
500 foot roll
1000 foot roll
2500 foot roll
CAUTION
This is a 24VAC low-voltage sensor. Do not install
on voltages higher than 30VAC.
Do not short (jumper) across terminals to test
installation. This will damage the sensor and void
the warranty.
Remote Sensor Wire
All remote sensors use standard non-shielded ther-
mostat wiring; sensors may be wired using two
wires of a multiple wire cable.
NOTE: Outdoor and indoor sensor wire runs
should not exceed 300 feet (100m).
Transformer Wire
Standard thermostat wire (one pair 20 AWG mini-
mum) may be used to wire the CS8500 to the op-
tional wall plug 24VAC transformer (18M13) or other
-
former.
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