Bryant 551K 04N Series Manuals

Manuals and User Guides for Bryant 551K 04N Series. We have 1 Bryant 551K 04N Series manual available for free PDF download: Service And Maintenance Instructions

Bryant 551K 04N Series Service And Maintenance Instructions (92 pages)

Single Package Rooftop Cooling Only/Electric Heat Unit with Puron (R-410A) Refrigerant 3 to 5 Nominal Tons

Brand: Bryant | Category: Air Conditioner | Size: 11 MB

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
3
General
3
Routine Maintenance
3
Filters
3
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Staged Air Volume
8
Cooling
8
Condenser Coil
9
Condenser Coil Maintenance and Cleaning Recommendation
9
Evaporator Coil
10
Thermostatic Expansion Valve (Txv)
11
TXV Operation
11
Replacing TXV
11
Refrigerant System Pressure Access Ports
11
Puron (R-410A) Refrigerant
12
Refrigerant Charge
12
Cooling Charging Charts
12
Compressor
14
Lubrication
14
Replacing Compressor
14
Compressor Rotation
14
Filter Drier
14
Condenser-Fan Adjustment
14
Troubleshooting Cooling System
16
Convenience Outlets
17
Installing Weatherproof Cover
17
Non-Powered Type
17
Unit-Powered Type
17
Duty Cycle
18
Maintenance
18
Fuse on Powered Type
18
Electric Heaters
18
Completing Heater Installation
19
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 APPENDIX A - MODEL NUMBER
20
Smoke Detectors
20
System
20
Controller
20
Smoke Detector Sensor
20
Smoke Detector Locations
20
Completing Installation of Return Air Smoke
21
Detector
21
FIOP Smoke Detector Wiring and Response
22
Sensor and Controller Tests
23
Sensor Alarm Test
23
Controller Alarm Test
23
Dirty Controller Test
23
Dirty Sensor Test
23
Changing the Dirt Sensor Test
23
Remote Station Test
23
SD-TRK4 Remote Alarm Test Procedure
23
Remote Test/Reset Station Dirty Sensor Test
24
Dirty Sensor Test Using an SD-TRK4
24
Detector Cleaning
24
Indicators
24
Troubleshooting
25
Protective Devices
25
Compressor Protection
25
Relief Device
26
Control Circuit, 24-V
26
Rtu Open Control System
26
Sensory/Accessory Installation
27
Additional RTU Open Installation and Troubleshooting
27
Economizer Systems
27
Economi$Er2
28
Economi$Er IV (Field-Installed Accessory)
29
Economi$Er X (Factory Option)
36
Outdoor-Air Inlet Screens
48
Pre-Start-Up/Start-Up
48
Start-Up, General
48
Unit Preparation
48
Additional Installation/Inspection
48
Return-Air Filters
48
Compressor Mounting
48
Internal Wiring
48
Refrigerant Service Ports
48
Compressor Rotation
49
Cooling
49
Heating
49
Ventilation (Continuous Fan)
49
Fastener Torque Values
49
Start-Up, Rtu Open Controls
49
- Nomenclature
  50
Appendix B - Physical Data
51
Appendix C - Fan Performance
53
Appendix D - Wiring Diagrams
78
Appendix E - Low Ambient Control Sensor
88
- Location
  88
Start-Up Checklist
91

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Bryant 551K 04N Series Service And Maintenance Instructions (92 pages)

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