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Core Unit Controller
Lennox Core Unit Controller User Manual
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83
T
able 44.
P399 (Pressure Switches 3 and 4)
J399
T
able 45.
P400 (24V
AC)
J400
T
able 46.
P401 (All Evaporators)
J401
T
able 47.
P402 (Ultra Evaporators)
J402
T
able 48.
P403 (Options)
J403
T
able 49.
P404 (All Condensors)
J404
82
84
Table of Contents
Default Chapter
2
Table of Contents
2
1 CORE Unit Controller Overview
3
Device Minimum System Requirements
3
Additional Features
3
Configurable Sequences of Operation
3
Component Protection / Unit Safeguards
3
Control Methods / Interfaces
3
Lennox CORE Unit Controller - Connections, Inputs / Outputs, Jumpers, and Leds Locations
4
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
Setup
8
Data
18
Service
22
Settings
26
10 Special Equipment Configurations
28
Thermal Protection Switches (S5, S8, S31 and S180)
28
Blower Operation with Effective Occupancy
28
Enabling Economizer and Settings
30
Free Cooling Compressor Lockout Mode and Low Ambient Set Point
30
Demand Control Ventilation
32
Determining Indoor Air Quality Inputs
34
Bacnet
34
Abbreviations
35
11 Parts and Kits
36
12 Service Report Example
36
13 Alarms
37
Phase - Voltage Detection
37
Service Relays
37
14 CORE Control System Unit Parameters
49
15 CORE Control System Inputs and Outputs
74
CORE Unit Controller (A55) Input/Outputs
74
C4 Control (A178)
82
DSI Board (A3)
84
Lennox ® CORE Service App - Android or Ios 15.4. W4 Control
87
16 Quick Start Guide
88
17 Wiring Diagrams
89
18 FCC Compliance Statement
90
4
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Lennox Core Unit Controller Specifications
General
Brand
Lennox
Model
Core Unit Controller
Category
Controller
Language
English
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