ION SYST0101CW Installation Instructions Manual page 9

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4.3.2. Wired Remote Room Sensors

A Remote Room Sensor can be used with the Ion System Control to take the place of the

control's internal temperature sensor. This allows the Ion System Control to be mounted in areas

with less than optimal airflow (such as near an exterior door, window or in a closet). The remote

sensor can be wired to the terminal block connectors labeled S1 and S2 at the control's

backplate, or the ZS1 and ZS1C connection at the Damper Control Module. In either case, the

Ion Control will automatically detect the Remote Room Sensor and ignore its internal

temperature sensor.

NOTE: Humidity sensing will occur ONLY at the Ion System Control. The wired Remote

Room Sensor does NOT have humidity sensing capability.

4.3.2.1. Wired Remote Room Sensor Averaging

Typically, one wired remote sensor is used but, multiple wired sensors may be used and

averaged in some applications. Averaging requires a special series-parallel wiring method with

a specific number of sensors. See figure below. It is also important to note the humidity sensor

cannot be remotely located, so do not locate the Ion System Control in an area where humidity

sensing may not be accurate.

4.4. Wiring Considerations

Ordinary thermostat wire is recommended. See Shielded Wire and Communication Bus

Configuration Section for notes on shielded wire. Continuous wire lengths over 25 ft. should

use 18 AWG wiring.

NOTE: Communications bus wiring only requires a four-wire connection; however, it is good

practice to run thermostat cable having more than four wires in the event of a damaged or

broken wire during installation.

Each communicating device in the Ion Zone System has a four-pin connector. It is

recommended that the following color code be used when wiring each device:

Damper Control

Module

ZS_

Sensor 1

Sensor 3

Damper Control

Module

ZS_C

Sensor 2

Sensor 4

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