Carrier Gemini 38AUDT/U12 Manuals

Manuals and User Guides for Carrier Gemini 38AUDT/U12. We have 1 Carrier Gemini 38AUDT/U12 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier Gemini 38AUDT/U12 Installation, Start-Up And Service Instructions Manual

Carrier Gemini 38AUDT/U12 Installation, Start-Up And Service Instructions Manual (56 pages)

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

Brand: Carrier | Category: Air Handlers | Size: 4 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Installation Guidelines
2
Replacement/Retrofit
2
To Puron ® Refrigerant
2
General
2
Rated Indoor Airflow (Cfm)
2
Matching 38AU Model to Evaporator Coil
3
Installation
6
Jobsite Survey
6
Step 1 - Plan for Unit Location
6
Step 2 - Complete Pre-Installation Checks
6
Step 3 - Prepare Unit Mounting Support
7
Rig and Mount the Unit
7
Step 4 - Determine Refrigerant Line Sizes
7
Suction Riser
9
Step 5 - Complete Refrigerant Piping
9
Connections
9
Step 6 - Install Accessories
12
Step 7 - Complete Electrical Connections
13
Step 8 - Wind Baffles for Low Ambient Control
18
Pre-Start-Up
18
System Check
18
Turn on Crankcase Heater
18
Preliminary Charge
18
Start-Up
19
Preliminary Checks
19
Start Unit
19
Operating Sequence
25
Base Unit Controls
25
All Units
25
Maintenance
26
Quarterly Inspection  (and 30 Days after Initial Start)
26
Seasonal Maintenance
26
Service
27
Refrigeration System
27
Comfort Alert Diagnostic Module
28
Compressor Protection
30
Routine Cleaning of Round-Tube Plate Fin (RTPF)
30
Coils
30
Fastener Torque Values
31
Troubleshooting
31
Appendix A - Air Conditioner and Heat Pump with Puron - Quick Reference Guide
34
Appendix B - Wiring Diagrams
34
Appendix C - Low Ambient Option
49
Start-Up Checklist
55

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