Carrier Infinity 27VNA3 - Page 22

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27VNA3 Infinity® Variable Speed Heat Pump: Installation Instructions

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Table 11 – Diagnostic Code Table

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Table of Contents1
Safety Considerations2
VFD Cover2
General3
Installation3
Step 1 - Check Equipment and Job Site4
Unpack Unit4
Inspect Equipment4
Step 2 - Install on a Solid, Level Mounting Pad4
Step 3 - Clearance Requirements4
Step 4 - Operating Ambient4
Step 5 - Elevate Unit4
Step 6 - Make Piping Connections5
Outdoor Unit Connected to Factory-Approved R-454B Indoor Unit5
Mechanical Line Set Connections5
Install Liquid-Line Filter Drier - Indoor6
Refrigerant Tubing Connection - Outdoor6
No Installation of Adapter Tube6
Sweat Connections6
Fire Hazard6
Pressure Test Tubing and Indoor Coil6
Evacuate Refrigerant Tubing and Indoor Coil6
Deep Vacuum Method7
Mandatory Requirements7
Pressure Proof Check7
Leak Check7
Final Tubing Check7
Step 7 - Make Electrical Connections7
Route Ground and Power Wires7
Connect Ground and Power Wires7
Connect Control Wiring7
General Information8
Final Wiring Check8
Step 8 - Compressor Stator Heat8
Step 9 - Install Accessories8
Step 10 - Start-Up & Charging8
Setup for Infinity® Control Furnace or FE Fan Coil (Communicating)9
Follow These Steps to Properly Start up the System9
Check Charge - Cooling / Heating12
Post Charging13
Step 11 - Pump down & Evacuation13
Evacuation and Recovery of Refrigerant from Within 27VNA314
Step 12 - System Functions and Major Components15
Primary Control Module15
Utility Interface with Infinity® Control16
Infinity® Control, Green Communications (COMM) Light16
Amber Status Light17
5X7 LED Matrix17
VFD Communications Light17
Bluetooth® Module17
Variable Frequency Drive (VFD)17
Input Filter Board18
Reactors18
Variable Speed Compressor18
Time Delays18
Heating Electronic Expansion Valve (EXV-H)18
Vapor Injection Electronic Expansion Valve (EXV-VI)18
Variable Speed Fan Motor18
Pressure Equalization Valve (PEV)18
High Pressure Switch18
Outdoor Pressure Transducers18
Troubleshooting19
Systems Communication Failure19
Model Plug19
Pressure Switch Protection19
Compressor Protection19
Line Voltage Diagnostics19
Forced Defrost Pins19
Temperature Thermistors19
Outdoor Air Temperature (OAT)19
Outdoor Coil Temperature (OCT-HP)20
Liquid Line Temperature (LLT-HP)20
Outdoor Suction Temperature (OST)20
Outdoor Discharge Line Temperature (ODT)20
Failed Thermistor Default Operation21
Variable Speed Compressor Winding Resistance21
Winding Resistance at 68°F (20°F)21
Fan Motor21
Status Codes21
Status Code Recall Mode21
Final Checks24
Repairing Refrigerant Circuit24
Care and Maintenance24
Puron Advance™ (R-454B) Refrigerant - Quick Reference Guide25

Carrier Infinity 27VNA3 - Page 22

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