Tracer® ZN.010

and ZN.510

Analog Inputs

Both Tracer® ZN.010 and ZN.510 accept a maximum of five analog inputs. Reference Table 7.

Table 7. Analog Inputs Available

Analog Input

Description

Application

Zone

Space temperature

Space temperature detection

Set

Local setpoint

Thumbwheel setpoint

Fan

Fan mode input

Zone sensor fan switch

Analog input 1 (AI1)

Entering water temperature

Entering water temperature detection

Analog input 2 (AI2)

Discharge air temperature

Discharge air temperature detection

Notes:

1.The zone sensor, entering water temperature sensor, and the discharge air temperature sensor are 10KW thermistors. Figure 26 on page 38 provides the resistance-temperature curve for these thermistors.

2. Zone Sensor:

Wall mounted sensors include a thermistor soldered to the sensor’s circuit board Unit mounted sensors include a return air sensor in the unit’s return air stream.

3. Changeover units include an entering water temperature sensor.

Zone Sensors

Fan Mode Switch

The zone sensors available with the Tracer® ZN.010 and ZN.510 provide up to three different inputs

1.Space temperature measurement (10K thermistor)

2.Local setpoint

3.Fan mode switch

Wall mounted zone sensors include a thermistor as a component of the internal printed circuit board. Unit mounted zone sensors use a sensor placed in the unit’s return air stream.

Each zone sensor is equipped with a thumbwheel for setpoint adjustment.

The zone sensor may be equipped with a fan mode switch. The fan mode switch offers selections of off, low, medium, high, or auto. Reference Table 8 on page 45 for fan mode operation.

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Image 44
Trane LO manual Zone Sensors Fan Mode Switch, Analog Inputs Available Description Application

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