Page 42 of 48 / IM 986-2
Specifications
Thermistor resistance (10kΩ)
(Conforms to advance thermal products curve 2)
Ambient Temperature Limits:
Shipping and Storage: 40°F to 160°F (–40°C to 71°C)
Operating: 40°F to 140°F (4°C to 60°C)
Humidity: 5 to 95% RH, non-condensing
Locations: NEMA Type 1, Indoor only
Connections: Color Coded Leads
Wiring Sensors to the MicroTech III Unit
Controller
Figure 58: Temperature Sensor Wiring to MicroTech III Unit
Controller (669529101, 669529201)
Figure 59: Temperature Sensor Wiring to MicroTech III Unit
Controller (669529001)
MicroTech III Wall-Mounted Room Temperature
Sensors
(Kit P/N 669529101, 669529201, 669529001)
Figure 56: MicroTech III Wall-Mounted Room Temperature
Sensors (669088201 Not Shown)
General
MicroTech III Wall-Mounted Room Temperature
Sensors provide electronic sensing of room
temperatures at wall locations. All sensor models feature
a thermistor (10kΩ) and a green LED for unit status.
Tenant override, setpoint adjustment potentiometer,
thermometer, and a communications port are optional
features available in any combination
This manual provides general information for the
MicroTech III Wall-Mounted Room Temperature
Sensors. For installation instructions refer to IM 955
Figure 57: MicroTech III Wall Sensor Details
Sensor 669529101
Sensor 669529201 Not Shown
Sensor 669529001
Fan Control
Slide Switch
Mode Control
Slide Switch
Status LED
(Green)
0 to 10 K ohm
Potentiometer
Tenant Override
Momentary Push Button Switch
4.59"
Temperature
Sensor Terminals
MicroTech III Unit
Controller TB1 Terminals
MicroTech III Unit
Controller TB1 Terminals
Temperature
Sensor Terminals
When the optional wall-mounted room temperature sen-
sor is connected to the unit controller, the Return Air
Temperature (RAT) sensor must not be installed. The wall-
mounted room temperature sensor and return air sensor
must not be connected simultaneously or the unit will not
operate properly.
CAUTION
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