Comfort Stat CDT901 - Manual (Page 42)

CDT900 Series Touchscreen Programmable Thermostata
Be sure wires have a cable separate from the thermostat cable.
Do not route temperature sensor wiring with building power wiring, next to control
contactors or near light dimming circuits, electric motors or welding equipment.
Avoid poor wiring connections.
Avoid intermittent or missing building earth ground.
CAUTION
Electrical Shock Hazard.
Can cause electrical shock or equipment damage.
Disconnect power supply before connecting wiring.
Wiring must comply with applicable codes, ordinances and regulations:
1.Wire Outdoor Sensor to S1and S2 terminals on the thermostat. If leadwire provided is not
long enough), you need an extra cable to reach the hole at location.
a. Using color-coded, 18-gauge thermostat wire is recommended. For example of general
wiring of sensor, see Fig. 26.
b. Pigtail wiring can be used.
2.Mount Sensor in its mounting clip.
3.Plug wiring hole using nonhardening caulk or putty.
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