LENNOX CORE Service App Instructions
- October 30, 2023
- Lennox
Table of Contents
LENNOX CORE Service App
Lennox CORE Service App Before You Call
Applies to Lennox Model L and Enlight Rooftop Units 3-25 tons
Helpful Resources
- Installation and service literature on LennoxCommercial.com or LennoxPros.com.
- CORE Service App Reference Guide.
- CORE Service Curriculum on LennoxPros.com.
- Lennox Model L and CORE Control System videos.
Requirements
- iOS or Android device – phone or tablet with Android 6.0 (Marshmallow) or iOS version 11 minimum. Android hardware requires 2GB RAM and a 2GHz Core processor.
- CORE Service App found at the appropriate App Store or at the following QR:
| Step | Action | Check |
|---|---|---|
| 1 | Ensure you have the latest version of the CORE Service app installed on |
your device. Scan the QR code above or visit the app store to download the
latest version.|
2| Power to the unit must be ON for at least 2 minutes before attempting to
connect your device to the unit.|
3| Ensure the black plastic cover is seated properly to the W4 board.|
4| Open the CORE Service app on your device. Press and hold the Pair button on
the CORE controller for 5 seconds. The pair light will flash blue (the pair
light must be flashing blue in order to connect your device).|
5| Using the CORE app, verify you have selected the correct unit to pair to.
Refer to the 4 digit code on the CORE controller and select the correct unit
on the app.|
6| Inspect the connections on the CORE board and verify all plugs are properly
fastened.|
7| Check for proper incoming power. + or -10% of the nominal voltage indicated
on the unit’s name plate. Check for proper 24VAC control voltage. The control
voltage should be 18-30 VAC at P395, between terminals 1,2 and 3,4 ( 1=24 VAC
input , 2=COM, 3=24VAC input, 4=COM).|
8| Ensure the unit’s control mode is set properly. You can verify this by
entering the network integration menu path. Then verify the unit is receiving
a controls signal to operate.|
9| Refer to the CORE service App for alarm code explanation and causes|
10| Avoid the wait time and refer to the Installation Manual provided in the
unit or visit Lennoxcommercial.com for additional technical information.|
Customer Support
Self-Service Technical Support with No Wait Times
Click on the black logos below to download these apps
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References
- Commercial Air Conditioning & Heating Units | Lennox Commercial
- LennoxPros - HVAC Lennox Supplier | LennoxPROs.com
- Commercial Air Conditioning & Heating Units | Lennox Commercial
- bit.ly/3Gy5uKH
- Lennox Commercial Technical Training
- Commercial Training Toolbox Tips
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Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>