INSTALLATION INSTRUCTIONS
STS 2.0 - Smart Touch Screen Control
CAUTION
[!] WARNING: ALWAYS DISCONNECT THE UNIT BEFORE PERFORMING MAINTENANCE OR MAKING ANY CONNECTIONS. FAILURE TO DISCONNECT POWER COULD RESULT IN ELECTRICAL SHOCK OR DAMAGE, TO THE WALL CONTROL OR THE ELECTRONIC COMPONENTS.
FOLLOW THE INSTRUCTIONS TO ENSURE PROPER OPERATION AND FUNCTIONALITY OF THE CONTROL AND VENTILATION SYSTEM. ONLY ONE WALL CONTROL PER VENTILATION SYSTEM IS POSSIBLE. KEEP WALL CONTROL & LOW VOLTAGE WIRES MINIMUM 2 FEET (610MM) AWAY FROM MOTORS, LIGHT BALLAST, DIMMERS AND ELECTRICAL PANELS. DO NOT ROUTE WALL CONTROL LOW VOLTAGE WIRES ALONG SIDE HIGH VOLTAGE WIRES. RECOMMENDED TYPE OF WIRE: LVT 18/4 CSA/UL.
BEST PRACTICE
For optimal operation of the ventilation control, the following best practices are recommended during installation:
- The location of the ventilation control could affect the optimum performance. Therefore, it is recommended that the wall control be installed in a central location, away from direct sunlight and other sources of direct heat or cold such as an outside wall or adjacent to windows.
- Do not install ventilation controller on wall where cavity is opened to other areas. Example: Forced air system return air plenum or in a wall cavity.
INSTALLATION STEPS
Step 1: Detach Front Module
[Press tab to detach]
Detach the front module from the back plate by pressing the tab located at the top and bottom of the control casing.
Step 2: Route Wires and Mount Back Plate
[Routing the wires]
Guide the signal wires (4) through the central opening of the back plate. Mount this plate to either a standard electrical device box or directly to the wall using screws. If required, use wall anchors.
NOTE: Be sure the screws are secure but do not over tighten. This may result in damage to the back plate.
Step 3: Connect Wires to Terminal Block
[Terminal block (front module backside)]
Insert the wires (4) into the terminal block, located on the backside of the front module. Secure them in place by tightening the terminal screws using a small [3.0mm flat head screwdriver] (not included).
NOTE: For each wire, take note of the wire color chosen and connect to the corresponding terminals for the control and the HRV/ERV. See illustration below.
Terminal connections: B, A, D+
Step 4: Attach Front Module
Attach the front module to the mounted back plate. First, hook the top of the front module to the top clips of the back plate, then press the bottom of the front module until you hear a 'click'. Ensure the ventilation system operates correctly.
NOTE: Be careful not to pinch or trap the wires when attaching the front module to the back plate.
Step 5: Provide Operating Instructions
Leave operating instructions with the homeowner.
TROUBLESHOOTING
If error code 05 is displayed on the touchscreen control, double check the "A" and "B" signal wires. Ensure the DIP switches are in the bottom "OFF" position.
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