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Air Handlers
CBX25UHV-042
Lennox CBX25UHV-042 Manuals
Manuals and User Guides for Lennox CBX25UHV-042. We have
2
Lennox CBX25UHV-042 manuals available for free PDF download: Installation And Service Procedure, Installation Instructions Manual
Lennox CBX25UHV-042 Installation Instructions Manual (26 pages)
Merit CBX25UHV (-10) Series Units
Brand:
Lennox
| Category:
Air Handlers
| Size: 0.93 MB
Table of Contents
Shipping and Packing List
1
General Information
1
Unit Dimensions – Up-Flow
2
Requirements
3
Installation Clearances
3
Installation
4
Horizontal Applications
4
Up-Flow Configuration
4
Left‐Hand Discharge Configuration
4
Right-Hand Air Discharge
5
Suspending Horizontal Unit
5
Repositioning Black Box on Motor Module
6
Sloping the Unit
8
Drain Line Connections
8
Install Condensate Drain
8
Typical Main and Overflow Drain
9
Duct System and Filters
10
Brazing Refrigerant Lines
10
Test Condensate Drain
10
Field-Fabricated Return Air Duct Flange for Horizontal Applications
10
Brazing Connections
12
Sealing the Unit
13
Electrical Connections
13
Use Copper Conductors Only
14
Typical Wiring Diagram — CBX25UHV Air Handler with Electric Heat
15
Low Voltage Connections (Variable-Speed Motor)
16
Blower Control
17
Adjusting the Blower Speed
17
Jumper Settings
17
Diagnostic Leds
17
Air Handler Performance Table
18
Thermostat and Two‐Stage Outdoor Unit Operating Sequence
21
Heat Jumper
21
Delay Jumper
21
Cabinet Insulation
22
Check-Out Procedures
22
Pre-Start-Up Checks
22
Check Blower Operation
22
Use of Air Handler During Construction
23
Repairing Damaged Insulation
23
Start-Up and Performance Checklist (Up-Flow Configuration)
24
Start-Up and Performance Checklist (Horizontal Configuration)
25
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Lennox CBX25UHV-042 Installation And Service Procedure (31 pages)
Brand:
Lennox
| Category:
Air Conditioner
| Size: 1.1 MB
Table of Contents
Table of Contents
1
Unit Dimensions
2
Specifications / Electrical Data
3
Model Number Information
5
Adjusting the BDC3 Blower Control
5
Adjusting the Blower Speed
5
I Application
10
Unit Components
10
Optional Electric Heat
13
Configuration Modification
17
Electrical Connections
26
Wiring Diagrams
28
Performance Checklists
29
Sequence of Operations
29
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Lennox Categories
Furnace
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Indoor Fireplace
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