User's Manual

English

Wiser Air Installation Guide 1-855-559-4737 www.wiserair.com

Installation

HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH

Disconnect all power before working on equipment.

Failure to follow these instructions will result in death or

serious injury.

TIP: Take a photograph of the initial wiring of the HVAC system to use as a reference and to help

prevent wiring mishaps during the installation process.

1. Disconnect the wires from the Y and W terminals on the thermostat.

2. Connect the diode pair to the Y and W terminals (Fig. 8). Ensure that the diode

pair’s Y terminal is connected to the thermostat’s Y terminal and the diode pair’s

W terminal is connected to the thermostat’s W terminal.

3. Connect the wire that was on W to the diode pair; connect the wire that was on

Y to C.

4. Connect the other wire that was disconnected from the thermostat base to the C

terminal on the thermostat.

O/B

Figure 8 : Diode pair connection.

This wire connects

to the W on the Wire

Extender terminal.

DANGER

TIP: Use the picture taken in Step 3 of the Installation procedure for Wiser Air to

help you determine whether you have a 4 or 5-wire system.