Rheem RA1748AJ2CB - Page 54

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WIRING DIAGRAMS

Wiring Diagrams

Main Page

Default Chapter2
- Table of Contents2
Important Safety Information3
- Efficiency Testing Notice3
General Information4
- Checking Product Received4
- Application4
- Electrical and Physical Data5
- Specifications6
- Proper Installation6
Installation7
Choosing a Location7
- Operational Issues7
- Corrosive Environment7
- For Units with Space Limitations8
- Customer Satisfaction Issues8
- Unit Mounting8
- Factory Preferred Tie down Method8
Tools and Refrigerant9
- Tools Required for Installing and Servicing R-410A Models9
- Specifications of R-410A9
- Quick-Reference Guide for R-410A9
Replacement Units10
Indoor Coil10
- Location10
Interconnecting Tubing10
- Refrigerant Level Adjustment10
- Interconnecting Tubing and Fitting Losses11
- Liquid Line Selection11
- Long Line Set Applications12
- Oil Level Adjustment12
- Suction Line Selection13
- Refrigerant Migration13
- Tubing Installation18
- Tubing Connections19
- Leak Testing20
Condensing Units21
- Equipped with Econet21
- Dual 7-Segment LED21
- Line Voltage Connector21
- Thermostat Connector21
- Low Volt Fuse22
- Low Pressure Control22
- High Pressure Control22
- Ambient Temperature Sensor22
- UP and SELECT Buttons22
- Memory Card22
- Econet Communication System™ Control Wiring22
- Econet Communication System™ ICC Control22
Condensing Units23
Active Compressor Protection Mode24
- Test and Fault Recall Modes25
Conventional Thermostat Wiring30
Thermostat Wiring Diagrams31
ICC Control Operation32
Test and Fault Recall Modes34
Electrical Wiring35
- Power Wiring35
- Grounding35
Control Wiring35
- Wiring Diagrams36
- Power Wiring37
- Grounding37
Start-Up38
Checking Airflow38
- Evacuation Procedure39
- Final Leak Testing39
Checking Refrigerant Charge40
- Charging Units40
- Confirm ID Airflow and Coils Are Clean40
- Measurement Device Setup40
- Charging by Weight40
- Gross Charging by Pressure41
- Final Charge by Subcooling41
- Finishing up Installation42
Components and Controls43
Compressor Crankcase Heat (CCH)43
High- and Low-Pressure Controls (HPC and LPC)43
Accessories44
- Single Pole Compressor44
- Time-Delay Control44
- Low Ambient Control (LAC)44
Hard-Start Components44
Diagnostics45
- Electrical Checks Flowchart45
- Cooling Mechanical Check Flowchart46
- General Troubleshooting Chart47
- Service Analyzer Charts48
- Cooling Troubleshooting Tips53
Wiring Diagrams55

Rheem RA1748AJ2CB - Page 54

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