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EL23XCV-024
Lennox EL23XCV-024 User Manual
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Page 28
Communicating
Indoor Unit
S30 Smart Hub
C
i+
i-
R
HD Display
Subbase or
Mag-Mount
-
COMMBUS
A
B
ACC1
ACC2
EL23XCV
Outdoor Unit
EL23XCV
RAST 6-Pin
Connectors
OATS (Optional)
DATS (Optional)
+
B
A
+
-
TST
DS
O
Y1
Y2
L
W
DF
Indoo
r
Control
Single Wire
To
C T
erminal
Unused Wire
s
Unused Wires
S
ingle Wire
To
C T
erminal
PROVIDED RAST
6-PIN CONNECT
OR
INDOOR CONTRO
L
FIGURE 15. EL23XCV with S30 Communicating Thermostat – Field Wiring Diagram
27
29
Table of Contents
El23Xcv Unit Information
1
Table of Contents
1
Model Number Identification
2
Typical Serial Number Identification
2
Specifications
3
Electrical Data
3
Unit Dimensions - Inches (MM)
4
Typical Unit Parts Arrangement
5
Operating Gauge Set and Service Valves
8
Installation
10
Unit Placement
10
Removing and Installing Panels
13
New or Replacement Line Set
14
Brazing Connections
17
Flushing Line Set and Indoor Coil
20
Leak Testing the System
22
Evacuating Line Set and Indoor Coil
24
Servicing Units Delivered Void of Charge
34
Unit Start-Up
34
System Operation and Service
35
Unit Selection Code for Outdoor Control
43
Configuring Unit
46
Installer Test - Installations with S30/S40 Thermostat
47
Diagnostic Information - Installations with S30/S40 Thermostat
47
System Overview
47
Reconfiguring Outdoor Control Using S30/ S40 Thermostat
47
Maintenance
48
Unit Wiring Diagrams
49
Unit Sequence of Operation
50
Component Testing
53
Verifying High Pressure Switch and Low Pressure Protec- Tion Operation
53
Verifying Suction Pressure Transducer Operation
54
Compressor Operation, Checkout and Status / Error Codes
58
Crankcase Heater, Checkout and Status / Error Codes
62
Compressor Sound Cover
63
Suction Line Filter Drier
63
Liquid Line Filter Drier
64
Top Cap Switch Operation
64
Outdoor Fan Operation
65
Reactor Operations
65
Outdoor Control Operation
67
4-Pin Suction Temperature Sensor / Liquid Temperature Sensor Harness
68
6-Pin Sensor Harness (DIS, AMB, COIL)
68
Unit Sensor Operations
68
DC Inverter Control Operation
71
Charge Mode Jumper
76
System Refrigerant
76
4
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Lennox EL23XCV-024 Specifications
General
Brand
Lennox
Model
EL23XCV-024
Category
Air Handlers
Language
English
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