User Manuals: Carrier Infinity 25VNA448 Heat Pump

Manuals and User Guides for Carrier Infinity 25VNA448 Heat Pump. We have 1 Carrier Infinity 25VNA448 Heat Pump manual available for free PDF download: Installation Instructions Manual

Carrier Infinity 25VNA448 Installation Instructions Manual (22 pages)

Infinity Variable Speed Heat Pump with Greenspeed Intelligence 2 to 5 Nominal Tons

Brand: Carrier | Category: Heat Pump | Size: 3 MB

Table of Contents
1
Safety Considerations
2
- Inverter Cover
  2
Installation Recommendations
2
Installation
3
Step 1 - Check Equipment and Job Site
3
- Unpack Unit
  3
- Inspect Equipment
  3
Step 2 - Install on a Solid, Level Mounting Pad
3
Step 3 - Clearance Requirements
4
Step 4 - Operating Ambient
4
Step 5 - Elevate Unit
4
Step 6 - in Long-Line Applications, Install Liquid-Line Solenoid Valve
4
(Lsv)
4
Step 7 - Make Piping Connections
4
Step 8 - Make Electrical Connections
7
Step 9 - Compressor Stator Heat
7
- Airflow Setup for Infinity Control Furnace or FE Fan Coil
  7
- Cating)
  7
Step 11 - Start-Up & Charging
8
- Follow These Steps to Properly Start up the System
  8
Step 12 - Heating Check Charge
10
Step 13 - Pumpdown & Evacuation
11
- Evacuation and Recovery of Refrigerant from Within 25VNA
  11
Step 14 - System Functions and Major Components
12
- Primary Control Module
  12
- Utility Interface with Infinity Control
  12
- Infinity Control, Green Communications (COMM) Light
  12
- Amber Status Light
  14
- 5X7 LED Matrix
  14
- VFD Communications Light
  14
- Bluetooth® Module
  14
- Variable Frequency Drive (VFD)
  14
- Input Filter Board
  15
- Reactors
  15
- Variable Speed Compressor
  15
- Time Delays
  15
- Heating Electronic Expansion Valve (EXV-H)
  15
- Vapor Injection Electronic Expansion Valve (EXV-VI)
  15
- BLDC Inverter-Controlled Fan Motor
  15
- Pressure Equalization Valve (PEV)
  15
- High Pressure Switch
  15
- Outdoor Pressure Transducers
  15
Troubleshooting
16
- Systems Communication Failure
  16
- Model Plug
  16
- Pressure Switch Protection
  16
- Compressor Protection
  16
- Line Voltage Diagnostics
  16
- Forced Defrost Pins (J9)
  16
- Temperature Thermistors
  16
- Outdoor Air Thermistor
  16
- Outdoor Coil Thermistor
  17
- Suction Thermistor (OST)
  17
- Discharge Thermistor (ODT)
  17
- Failed Thermistor Default Operation
  17
- Variable Speed Compressor Winding Resistance
  17
(Winding Resistance at 68°F? (20°F)
17
Final Checks
22
Care and Maintenance
22

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User Manuals: Carrier Infinity 25VNA448 Heat Pump

Carrier Infinity 25VNA448 Installation Instructions Manual (22 pages)

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