Ruud RP13, Installation Instructions Manual

Contents

Important 
Safety Information ............................................. 3

General Information ........................................ 4-7

Checking Product Received ........................................4
Application ...................................................................4
Electrical and Physical Data ..................................... 5-6
Specifications ...............................................................7
Proper Installation ........................................................7

Installation .................................................... 8-19

Choosing a Location ......................................

8-10

Operational Issues........................................................8 
Corrosive Environment .................................................8
For Units With
Space Limitations .........................................................9
Customer Satisfaction Issues ......................................9
Unit Mounting ...............................................................9
Factory-Preferred 
Tie-Down Method.........................................................9
Snow Depth Table ......................................................10

Tools and Refrigerant .......................................

11

Tools Required for Installing and 
Servicing R-410A Models ..........................................11
Specifications of R-410A ...........................................11
Quick-Reference 
Guide for R-410A .......................................................11

Replacement Units ...........................................

12

Indoor Coil ........................................................

12

Location ......................................................................12

Interconnecting Tubing ................................

12-26

Refrigerant Level Adjustment .....................................12
Maximum Length of Lines ..........................................12
Outdoor Unit Installed
Above or Below Indoor Coil ................................. 13-26
Tubing Installation ......................................................24
Tubing Connections ...................................................25
Leak Testing ...............................................................26

Wiring ......................................................... 27-28

Control Wiring ............................................................27
Conventional 24 VAC
Thermostat Control Wiring .........................................27
Typical Thermostat Wiring Diagrams .........................27
Power Wiring ..............................................................28
Grounding ...................................................................28

Start-Up ......................................................29-33

Start-Up ......................................................................29
Checking Airflow ........................................................29
Evacuation Procedure ............................................... 30
Final Leak Testing .......................................................30

Checking 
Refrigerant Charge ......................................

31-33

Charging Units 
With R-410A Refrigerant ............................................31
Confirm ID Airflow 
and Coils Are Clean ...................................................31
Measurement Device Setup .......................................31
Charging by Weight ....................................................31
Gross Charging by Pressures ....................................32
Final Charge by Subcooling .......................................32
Finishing Up Installation .............................................33

Components and Controls ............................... 34

Compressor
Crankcase Heat (CCH) ......................................

34

Hard-Start Components ....................................

34

High- and Low-Pressure
Controls (HPC and LPC) ....................................

34

Demand Defrost ................................................... 35-36

Accessories ..................................................... 37

Remote Outdoor 
Temperature Model ....................................................37
Low Ambient Control (LAC) ...................................... 37

Diagnostics ................................................ 38-40

Cooling Mechanical 
Checks Flowchart ..................................................... 38
Heating Mechanical 
Checks Flowchart ..................................................... 39
Defrost Mechanical 
Checks Flowchart ..................................................... 40
General Troubleshooting Chart ...... ...........................41
Service Analyzer Charts ....................................... 42-46
Cooling/Heating Tips .............................................................47

Wiring Diagrams ........................................ 48-50

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