Carrier Gemini 38AX 28 Series Manuals

Manuals and User Guides for Carrier Gemini 38AX 28 Series. We have 1 Carrier Gemini 38AX 28 Series manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier Gemini 38AX 28 Series Installation, Start-Up And Service Instructions Manual

Carrier Gemini 38AX 28 Series Installation, Start-Up And Service Instructions Manual (72 pages)

Air-Cooled Condensing Units with Puron Advance (R-454B) Refrigerant

Brand: Carrier | Category: Heat Pump | Size: 9 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Cut Hazard
2
Detection of Flammable Refrigerants
2
Ignition Source Mitigation
2
Ventilation Requirements
2
Installation Guidelines
3
Equipment Damage
3
General
3
Rated Indoor Airflow (Cfm)
3
Matching 38AX Model to Evaporator Coil
3
Installation
8
Jobsite Survey
8
Step 1 - Plan for Unit Location
8
Step 2 - Complete Pre-Installation Checks
8
Un-Crate Unit
8
Step 3 - Prepare Unit Mounting Support
8
Slab Mount
8
Step 4 - Rig and Mount the Unit
8
Step 5 - Check Refrigerating Equipment
9
Step 6 - Determine Refrigerant Line Sizes
9
Liquid Lift
16
Step 7 - Complete Refrigerant Piping
16
Connections
16
Install Filter Drier(S) and Moisture  Indicator(S)
17
Install Liquid Line Solenoid Valve
18
Selecting an Accumulator
20
Make Piping Connections
20
Preliminary Charge
20
Step 8 - Install Accessories
21
Step 9 - Complete Electrical Connections
21
Electric Shock Hazard
21
Field Power Supply
21
Fire Hazard
21
Units with Factory-Installed Non-Fused Disconnect
22
Units Without Factory-Installed Non-Fused Disconnect
22
All Units
22
Convenience Outlets
22
Field Control Wiring
24
Control Circuit Wiring
24
External Devices
25
Step 10 - Wind Baffles for Low Ambient Control
27
Pre-Start-Up
27
System Check
27
Turn on Crankcase Heater
27
Preliminary Charge
27
Start-Up
27
Preliminary Checks
27
Compressor Rotation
27
Compressor Overload
27
Start Unit
28
Adjust Refrigerant Charge
28
Final Checks
28
Charging Chart
29
Operating Sequence
33
Base Unit Controls
33
Cooling, Unit Without Economizer
33
Fan Cycling
33
All Units
33
Cooling, Unit with Economizer
33
Quarterly Inspection  (and 30 Days after Initial Start)
34
Indoor Section
34
Seasonal Maintenance
34
Air Conditioning
34
Maintenance
34
Refrigeration System
35
Service
35
Liquid Line Filter Drier
35
Comfort Alert Diagnostic Module
40
Troubleshooting the Cadm Wiring
40
Status Led Description
41
Compressor Protection
42
Routine Cleaning of Round-Tube Plate Fin (RTPF)
42
Coils
42
Fastener Torque Values
43
Troubleshooting
43
Evacuation, Removal, and Recovery
46
Decommissioning
46
Appendix A - Air Conditioner and Heat Pump with Puron Advance™ - Quick Reference Guide
47
Appendix B - Wiring Diagrams
48
Electrical Characteristics
48
Operation
64
Appendix C - Low Ambient Option
64
Dimensions (MM)
66
Preliminary Information
71
Indoor Unit
71
Start-Up Checklist
71

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