User Manuals: Carrier 40RU28 Air Handling Unit

Manuals and User Guides for Carrier 40RU28 Air Handling Unit. We have 1 Carrier 40RU28 Air Handling Unit manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 40RU28 Installation, Start-Up And Service Instructions Manual

Carrier 40RU28 Installation, Start-Up And Service Instructions Manual (64 pages)

Air-Cooled Condensing Units with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 8 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Installation Guidelines
2
Replacement/Retrofit
2
R-22 to Puron Refrigerant
2
Rated Indoor Airflow (Cfm)
2
Identify Factory Options
3
Matching 38AU Model to Evaporator Coil
3
General
3
Installation
7
Jobsite Survey
7
Step 1 - Plan for Unit Location
7
Step 2 - Complete Pre-Installation Checks
7
Step 3 - Prepare Unit Mounting Support
7
Step 4 - Rig and Mount the Unit
7
Step 5 - Determine Refrigerant Line Sizes
7
Suction Riser
11
Step 6 - Complete Refrigerant Piping
11
Connections
11
Step 7 - Install Accessories
14
Step 8 - Complete Electrical Connections
15
Step 9 - Wind Baffles for Low Ambient Control
20
Pre-Start-Up
20
System Check
20
Turn on Crankcase Heater
20
Preliminary Charge
20
Start-Up
20
Preliminary Checks
20
Start Unit
21
Operating Sequence
27
Base Unit Controls
27
All Units
27
Maintenance
28
Quarterly Inspection  (and 30 Days after Initial Start)
28
Seasonal Maintenance
28
Service
29
Refrigeration System
29
Comfort Alert Diagnostic Module
29
Compressor Protection
36
Routine Cleaning of Round-Tube Plate Fin (RTPF)
36
Coils
36
Fastener Torque Values
37
Troubleshooting
37
Appendix A - Air Conditioner and Heat Pump with Puron Quick Reference Guide
39
Appendix B - Wiring Diagrams
40
Appendix C - Low Ambient Option
56
Start-Up Checklist
63

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