Quick Reference Guide

Air-Fi™ Wireless Communications Sensor (WCS)

SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.

May 2020

BAS-SVU029B-EN

TRANE TECHNOLOGIES™

Copyright

This document and the information in it are the property of TraneAmerican Standard, and may not be used or reproduced in whole or in part without written permission. TraneAmerican Standard reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.

Changing Room Temperature

This symbol shows the current room temperature, or your temperature selection while you are making an adjustment.

When you select a temperature, this symbol appears.

  1. To increase the room temperature, press ⬆️.
  2. To decrease the room temperature, press ⬇️.
  3. To confirm, press ✔️ or wait 5 seconds. The display will return to the home screen.

Changing Heating and Cooling Room Temperature Settings

Note: Applies only to some systems.

Some systems allow you to select both heating and cooling room temperature settings. If your system has this option, this symbol appears when you adjust the temperature setting.

When you adjust the cooling setting, the top arrow and snowflake flash.

When you adjust the heating setting, the bottom arrow and flame flash.

  1. Press [select button] or [change button] to select the heating/cooling setting.
  2. If in cooling mode, press [change button] to change to heating mode. If in heating mode, press [change button] to change to cooling mode.
  3. Press [select button] or [change button] to select the heating/cooling setting.
  4. To confirm, press ✔️ or wait 5 seconds. The home screen will appear.

Changing the System Setting

The system is in cooling mode.

The system is in heating mode.

Emergency heat is activated. Used by facility operators or service technicians only.

The system automatically switches between heating and cooling as needed.

The system is Off.

  1. From the home screen, press [home screen button]. The system setting menu appears.
  2. Press [select button] or [change button] to choose the desired system setting.
  3. When the symbol for the desired setting appears, confirm your choice by:
    • Pressing [home screen button] (the home screen will appear), or
    • Pressing [select button] or [change button] (the next menu will appear), or
    • Waiting 5 seconds.

Changing the Fan Setting

The fan will operate as needed to reach the selected temperature.

The fan setting is On. The number of arrows indicates fan speed (3: high, 2: medium, 1: low). The example shown indicates a fan on high speed. Not all systems offer all three speeds.

The fan setting is Off.

  1. From the home screen, activate the fan setting menu by pressing [fan menu button] and then [select button].
  2. Press [select button] or [change button] to choose the desired fan setting.
  3. When the symbol for the desired setting appears, confirm your choice by:
    • Pressing [home screen button] (the home screen will appear), or
    • Pressing [select button] or [change button] (the next menu will appear), or
    • Waiting 5 seconds.

Requesting Temporary Occupancy

  • Select to request occupancy: If you need heating or cooling after normal business hours, you can "request" temporary occupancy by pressing and holding it for 2 seconds. The occupied symbol remains on the screen and the unoccupied symbol disappears. After 30 seconds, the unoccupied symbol will re-appear.
  • Select to cancel occupancy: To cancel temporary occupancy, press and hold for 2 seconds. The unoccupied symbol will remain on the screen and the occupied symbol will disappear. After 30 seconds, the occupied symbol will re-appear.

Error codes

Error Code Description
E2 Indicates an error code

If an error code (E1, E2, E3, E7, E8, or E9) appears, technical assistance may be required.

Lock Symbol

Indicates that a setting is locked

The lock symbol appears if you try to adjust a setting that cannot be changed.

Testing Signal Quality

Excellent signal quality

Satisfactory signal quality

Poor signal quality

Press the center keypad button twice.

Testing Battery Life

100-50% of battery life remaining.

50-3% battery life remaining.

Less than 3% battery life remaining. When only 1% remains, the battery symbol will flash.

Press the center keypad button twice.

Note: It is unlikely that you will have to replace the battery. If replacement becomes necessary, use only an Energizer L91 Ultimate Lithium AA battery or equivalent.

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BAS-SVU029B-EN 05192020

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