Bryant 524L 14A Series Manuals

Manuals and User Guides for Bryant 524L 14A Series. We have 1 Bryant 524L 14A Series manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Bryant 524L 14A Series Installation, Start-Up And Service Instructions Manual (64 pages)

Brand: Bryant | Category: Air Handlers | Size: 15 MB

Table of Contents
1
Safety Considerations
2
Detection of Flammable Refrigerants
3
Ignition Source Mitigation
3
Ventilation Requirements
3
Evacuation, Removal, and Recovery
3
Charging
3
Pre-Installation
4
Moving and Storage
4
Rigging
4
Checks to Refrigerating Equipment
4
Installation
4
General
4
Uncrating
4
Accessories
4
Direct Expansion Coil
10
Piping Connections
10
Rated Indoor Airflow (Cfm)
13
Unit Positioning
13
Unit Isolation
13
Refrigerant Piping
15
Requirements of A2L Refrigerant Piping
15
Refrigerant Piping Access
15
Condensate Drain
18
Fan Motors and Drives
18
Power Supply and Wiring
19
Fire Hazard
19
Three Stage Operation
23
Freeze Protection
23
Leak Dissipation System
24
Sequence of Operation
25
Leak Dissipation System Self-Test
25
Troubleshooting
27
Status Led
28
Variable Frequency Drive
29
Connecting Ductwork
31
Discharge Connections
31
Return Connections
31
Outdoor-Air Inlet Connections
31
Return-Air Filters
31
Start-Up
32
Pre-Start Check for Vfd
32
Adjusting TXV for Superheat
33
Compressor Rotation
33
Indoor Fan Motor
33
Cooling with Staged Air Volume (SAV™)
33
First Stage (Y1)
33
Third Stage (Y3) - 3-Stage Systems Only
33
Operating Fan for Test and Balance (Alternate)
33
Fan Speed Set up
34
Units with Electromechanical Controls
34
Maintenance
35
Quarterly Inspection
35
(And 30 Days after Initial Start)
35
Indoor Section
35
Seasonal Maintenance
35
Air-Conditioning
35
Electrical Shock Hazard
35
Panels
35
Service
35
Fan Motor Lubrication
36
Fan Shaft Bearings
36
Centering Fan Wheel
36
Fan Shaft Position Adjustment
36
Individual Fan Wheel Adjustment
36
Fan Belts
36
Fan Pulley Alignment
37
Pulley and Drive Adjustment
37
Two-Speed Motor
38
AIRFLOW (Cfm)
41
Variable Frequency Drive
41
Indoor Fan Motor
42
Vfd Fuses
42
Fan Fault Detection
43
Vfd Alarms and Faults Troubleshooting
43
Alarms
43
Clear the Alarm Led
43
Faults
43
Vfd Remote Keypad
43
ACH580 Operation with Remote Keypad
43
First Start Assistant
44
ACH580 VFD Modes
44
Ach580 Standard Display Mode
45
Parameters Mode
45
Changed Parameters Mode
45
Drive Parameter Backup Mode
46
Clock Set Mode
46
I/O Settings Mode
46
ACH180 VFD Standard Keypad Detail
47
ACH180 Submenus
47
Options Menu and Main Menu
47
Reset after Using Start-Up Assistant
49
ACH580 VFD Diagnostics
50
Faults (Red Led Lit)
50
Alarms (Green Led Flashing)
50
Correcting Faults
50
Correcting Alarms
50
History
50
ACH180 VFD Diagnostics
50
Vfd Maintenance
53
Control Panel Cleaning
53
Battery Replacement
53
Functional Safety
53
Routine Maintenance
53
Heat Sink Cleaning
54
Fan Replacement
54
Cleaning Insulation
58
Replacing Filters
58
Appendix A - Vfd Parameters
60
Start-Up Checklist
63
Preliminary Information
63
Indoor Unit
63

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Bryant 524L 14A Series Manuals

Bryant 524L 14A Series Installation, Start-Up And Service Instructions Manual (64 pages)

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