Table Of Contents - Lennox Core Unit Controller Setup Manual

1. CORE Unit Controller Overview ........................... 3
1.1. Lennox CORE Service App - Android or iOS
®
Device Minimum System Requirements ...............3
1.2. Additional Features ...............................................3
1.3. Configurable Sequences of Operation ..................3
1.4. Component Protection / Unit Safeguards .............3
1.5. Control Methods / Interfaces .................................3
1.6. Lennox CORE Unit Controller - Connections,
Inputs / Outputs, Jumpers, and LEDs Locations...4
1.8. Cloud Firmware Updates ......................................6
2. Network Types ....................................................... 6
3. Unit Operation ....................................................... 6
4. CORE Service App Menu Selection Overview .... 7
5. Pairing CORE Service App to CORE Unit
Controller ............................................................... 7
6. System Overview - Room Sensor Mode .............. 7
7. Active Alarms ......................................................... 8
8. CORE Service App General Menu + User
Preference .............................................................. 8
9. CORE Service App RTU Menu .............................. 8
9.1. Setup.....................................................................8
9.2. Data ....................................................................18
9.3. Service ................................................................22
9.4. Settings ...............................................................26
10. Special Equipment Configurations .................... 28
10.1. Thermal Protection Switches (S5, S8, S31
and S180) ...........................................................28
10.2. Blower Operation with Effective Occupancy ......28
10.3. Enabling Economizer and Settings ....................30
10.4. Free Cooling Compressor Lockout Mode
and Low Ambient Set Point .................................30
10.5. Demand Control Ventilation ...............................32
10.6. Determining Indoor Air Quality Inputs .................34
10.7. BACNET .............................................................34
10.8. Abbreviations ......................................................35
11. Parts and Kits ...................................................... 36
12. Service Report Example ..................................... 36
13. Alarms ................................................................. 37
13.1. Phase - Voltage Detection ..................................37
13.2. Service Relays ....................................................37
14. CORE Control System Unit Parameters ............ 49
15. CORE Control System Inputs and Outputs ...... 74
15.1. CORE Unit Controller (A55) Input/Outputs .........74
15.2. C4 Control (A178) ...............................................82

Table of Contents

15.3.
15.4.
16. Quick Start Guide ................................................ 88
17. Wiring Diagrams .................................................. 89
18. FCC Compliance Statement ............................... 90
2
DSI Board (A3)....................................................84
W4 Control ..........................................................87