Lennox XP21 Series Manuals

Manuals and User Guides for Lennox XP21 Series. We have 4 Lennox XP21 Series manuals available for free PDF download: Installation And Service Procedure, Installation Instructions Manual

Lennox XP21 Series Installation And Service Procedure (81 pages)

Heat Pump Lennox Signature XP21 Series

Brand: Lennox | Category: Heat Pump | Size: 4.77 MB

Table of Contents
1
Overview
2
Model Number Identification
2
Typical Serial Number Identification
2
Specifications
2
Electrical Data
3
Unit Dimensions
4
Typical Unit Parts Arrangement
5
Operating Gauge Set
6
General
6
Service Valves
7
II. Installation
8
Unit Placement
8
Removing and Installing Panels
11
New or Replacement Line Set
12
Brazing Connections
14
Flushing the System
17
Leak Testing the System
19
Leak Test
20
Evacuating the System
21
Electrical
22
Field Control Wiring
24
Servicing Unit Delivered Void of Charge
26
Unit Start−Up
26
System Refrigerant
26
Air Handler / Indoor Coil Matchups and Targeted Subcooling Values
29
Operating and Temperature Pressures
30
III. System Operation and Service
31
- Outdoor Control − Part Number 101796−XX
  31
Heat Pump Control (A175) Jumpers and Terminals
31
System Status, Fault and Lockout LED Codes
33
Component Field Configuration and Troubleshooting
38
- Control Box
  41
- Jumper Settings
  47
- Outdoor Control − Part Number 103369−XX
  47
Jumpers and Links
47
Configuring Unit
48
Segment Alert and System Status Codes
51
Reconfiguring Outdoor Control Using Icomfortt Thermostat
51
- Applicable to All Versions
  57
Compressor Information and Testing
57
System Overview
61
Defrost System
61
Maintenance
67
Sunsource ® Home Energy System
67
Checklists
68
Unit Wiring Diagrams
69
Factory Wiring Diagrams
72
Unit Sequence of Operations
75

Lennox XP21 Series Installation And Service Procedure (83 pages)

Brand: Lennox | Category: Heat Pump | Size: 5.66 MB

Table of Contents
1
Overview
2
Model Number Identification
2
Typical Serial Number Identification
2
Specifications
2
Electrical Data
3
Unit Dimensions
4
Typical Unit Parts Arrangement
5
Operating Gauge Set and Service Valves
6
Service Valves
7
II. System Operation and Service
8
Jumpers, Loop and Terminals (101797-XX)
8
System Operations
10
System Status, Fault and Lockout LED Codes
14
Component Field Configuration and Troubleshooting
19
Control Box
22
Jumpers and Links (103369-01 and -02)
26
Jumpers and Links (103369-03)
27
Configuring Unit
28
7-Segment Alert and System Status Codes
31
Reconfiguring Outdoor Control Using Icomfortt
37
Routine Maintenance
37
Sunsource ® Home Energy System
38
Sound Cover (SR1) Disassembly and Assembly
38
Start-Up and Performance Checklist
40
Unit Wiring Diagrams
41
Factory Wiring Diagrams
45
Load Shed Wiring
49
Unit Sequence of Operations
52
III. Installation
57
Unit Placement
57
Removing and Installing Panels
60
Electrical
61
Field Control Wiring
63
New or Replacement Line Set
65
Brazing Connections
67
Flushing the System
70
Leak Testing the System
72
Leak Test
73
Evacuating the System
74
IV. System Charge
76
Servicing Unit Delivered Void of Charge
76
Unit Start-Up
76
System Refrigerant
76

Lennox XP21 Series Installation Instructions Manual (59 pages)

Dave Signature Collection System

Brand: Lennox | Category: Heat Pump | Size: 2.35 MB

Table of Contents
1
General
1
Unit Dimensions
2
Model Number Identification
2
Typical Unit Parts Arrangement
3
Shipping and Packing List
4
Using Manifold Gauge Set
4
Operating Service Valves
4
Service Valves
5
Supersedes
5
Recovering Refrigerant from Existing System
6
Unit Placement
7
Removing and Installing Panels
9
New or Replacement Line Set
11
Brazing Connections
13
Flushing Line Set and Indoor Coil
16
Installing Indoor Expansion Valve
17
Leak Test Line Set and Indoor Coil
18
Evacuating Line Set and Indoor Coil
18
Electrical
20
Heat Pump Control (A175) Jumpers and Terminals
23
Field Control Wiring
25
Servicing Unit Delivered Void of Charge
27
Unit Start−Up
27
System Refrigerant
27
Subcooling Values
30
Operating and Temperature Pressures
31
System Operations
32
Defrost System
33
System Status, Fault and Lockout LED Codes
43
Field Component Configuration and Testing
48
Control Box
51
Maintenance (Dealer and Homeowner)
55
Sunsource ® Home Energy System
57
Checklists
57

Lennox XP21 Series Installation Instructions Manual (27 pages)

Brand: Lennox | Category: Heat Pump | Size: 2.41 MB

Unit Dimensions - Inches (MM)
2
Side View
2
Slab Mounting
3
Step 6 -- Installing Indoor Expansion Valve
17
Step 7 -- Leak Test
18
Test for Leaks
18
Homeowner Information
21
Homeowner Maintenance
22
Thermostat Operation
22
Pre-Service Check
22
Professional Maintenance
23
Start-Up Checklists
24
Tools Required
24

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