Ruud RP13 Installation Instructions Manual

R-410a heat pump outdoor units

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

WARNING:

RECOGNIZE THIS SYMBOL

AS AN INDICATION OF

IMPORTANT SAFETY

INFORMATION

WARNING

THESE INSTRUCTIONS

ARE INTENDED AS AN AID

TO QUALIFIED, LICENSED

SERVICE PERSONNEL FOR

PROPER INSTALLATION,

ADJUSTMENT, AND

OPERATION OF THIS UNIT.

READ THESE INSTRUCTIONS

THOROUGHLY BEFORE

ATTEMPTING INSTALLATION

OR OPERATION. FAILURE

TO FOLLOW THESE

INSTRUCTIONS MAY RESULT

IN IMPROPER INSTALLATION,

ADJUSTMENT, SERVICE,

OR MAINTENANCE

POSSIBLY RESULTING IN

FIRE, ELECTRICAL SHOCK,

PROPERTY DAMAGE,

PERSONAL INJURY, OR

DEATH.

Do not destroy this manual.

Please read carefully and

keep in a safe place for future

reference by a serviceman.

[ ] indicates metric conversions.

92-105074-04-03 (8/15) Printed in USA

R-410A HEAT PUMP

OUTDOOR UNITS

INSTALLATION INSTRUCTIONS

RP13 (13 SEER)

RP14 (14 SEER) AND RP15 (15 SEER)

Table of Contents

Need help?

Do you have a question about the RP13 and is the answer not in the manual?

Questions and answers

Summary of Contents for Ruud RP13

Page 1 TO QUALIFIED, LICENSED SERVICE PERSONNEL FOR INSTALLATION INSTRUCTIONS PROPER INSTALLATION, ADJUSTMENT, AND OPERATION OF THIS UNIT. READ THESE INSTRUCTIONS RP13 (13 SEER) THOROUGHLY BEFORE ATTEMPTING INSTALLATION RP14 (14 SEER) AND RP15 (15 SEER) OR OPERATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT...
Page 2: Table Of Contents
CONTENTS Important Start-Up ............29-33 Safety Information ..........3 Start-Up ..............29 Checking Airflow ............29 General Information ........4-7 Evacuation Procedure ..........30 Checking Product Received ........4 Final Leak Testing ............30 Application ..............4 Electrical and Physical Data ........5-6 Checking Specifications ...............7 Refrigerant Charge ........
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION WARNINGS: CAUTIONS: • These instructions are intended as an aid to • R-410A systems operate at approximately 60% qualified, licensed service personnel for proper higher pressures (1.6 times) than R-22 systems. Do installation, adjustment, and operation of this not use R-22 service equipment or components on unit.
Page 4: General Information
Check model number, electrical characteristics, and accessories to determine if they are correct. Check system components (indoor coil, outdoor unit, air handler/furnace, etc.) to make sure they are properly matched. Electrical and Physical Data RP13 ELECTRICAL PHYSICAL Fuse or HACR Compressor Outdoor Coil We ight Refrig .
Page 5 GENERAL INFORMATION Electrical and Physical Data RP14 ELECTRICAL PHYSICAL Fuse or HACR Compressor Outdoor Coil Weight Refrig . Minimum Model Motor Circuit Breaker Full Circuit Face Number Freq Rated Load Locked Rotor Voltage Phase Circuit Load Area Shipping Ampacity Minimum Maximum Amperes Amperes...
Page 6 GENERAL INFORMATION R P 14 24 A J 1 N A MINOR SERIES CONTROLS C - COMMUNICATING N - NON-COMMUNICATING TYPE 1 - SINGLE STAGE P - PISTON VOLTAGE J = 1 PH, 208-230/60 C = 3 PH, 208-230/60 D = 3 PH, 460/60 A = NATIONAL HEAT PUMP F = DUAL FUEL HEAT PUMP CAPACITY...
Page 7: Specifications
GENERAL INFORMATION Speciﬁ cations DIMENSIONAL DATA RP13 36, 42 Height “H” inches (mm) 27 (686) 35 (889) 39 (991) Length “L” inches (mm) 33.75 (857) 33.75 (857) 35.75 (908) Width “W” inches (mm) 33.75 (857) 33.75 (857) 35.75 (908) 18A, 24A, 30A...
Page 8: Installation
INSTALLATION Choosing a Location IMPORTANT: Corrosive Environment Consult local and national building codes and ordinances for special The metal parts of this unit may be subject to installation requirements. Following location rust or deterioration if exposed to a corrosive information will provide longer life and simplified environment.
Page 9: For Units With Space Limitations
INSTALLATION Choosing a Location (cont.) • If elevating a unit on a flat roof, use 4" x 4" For Units With Space [10.2 cm x 10.2 cm] or equivalent stringers Limitations positioned to distribute unit weight evenly and In the event that a space limitation exists, we will prevent noise and vibration.
Page 10 INSTALLATION Choosing a Location (cont.) GROUND SNOW DEPTH – INCHES ALABAMA INDIANA MINNESOTA NEW MEXICO PENNSYLVANIA VIRGINIA Huntsville Evansville Duluth Albuquerque Allentown Dulles Airport ARIZONA Fort Wayne International Falls Clayton Erie Lynchburg Flagstaff Indianapolis Minneapolis/St. Paul 50 Roswell Harrisburg National Airport Prescott South Bend Rochester...
Page 11: Tools And Refrigerant
INSTALLATION Tools and Refrigerant Tools Required for Installing Pressure: The pressure of R-410A is approximately 60% (1.6 times) greater than and Servicing R-410A Models R-22. Recovery and recycle equipment, pumps, Manifold Sets: hoses, and the like must have design pressure ratings appropriate for R-410A.
Page 12: Replacement Units
INSTALLATION Replacement Units To prevent failure of a new unit, the existing line set IMPORTANT: When replacing an must be correctly sized and cleaned or replaced. R-22 unit with an R-410A unit, either replace Care must be exercised that the expansion device the line set or ensure that residual mineral oil is is not plugged.
Page 13 INSTALLATION Interconnecting Tubing (cont.) tubing length, ﬁ ttings, vertical separation, acces- Interconnecting Tubing and sories, and ﬁ lter dryers. The table below references Fitting Losses diﬀ erent commonly used equivalent lengths. Refrigerant tubing is measured in terms of actual length and equivalent length. Actual length is used for refrigerant charge applications.
Page 14 INSTALLATION Interconnecting Tubing (cont.) Example: A 3-Ton heat pump unit is installed 50’ This application is acceptable because the 50’ below the ID unit, requires a 75’ of 1/2” diameter vertical rise is less than the maximum rise of 75’ for liquid line, and 4 90°...
Page 15 INSTALLATION Interconnecting Tubing (cont.) and performance of the system. The procedure for Factory Name Plate Oil Installed selecting the proper suction line is as follows: Compressor OD Model Charge (oz) • The total amount of suction line needed RP1518AJ ZP16K5E-PFV-13R •...
Page 16 INSTALLATION Interconnecting Tubing (cont.) For applications that are considered to have a long • Insulated liquid and suction line line set with the outdoor unit and indoor unit on the • Vapor line should slope toward the indoor unit same level the following is required: •...
Page 17 INSTALLATION Interconnecting Tubing (cont.) OUTDOOR UNIT ABOVE INDOOR SECTION LINE SET INSULATE LIQUID AND SUCTION LINE REFERENCE TABLE 2 FOR ELEVATION LIMITATIONS VERIFY SUB-COOLING PRIOR TO THROTTLING DEVICE TXV OR EEV AT INDOOR EVAPORATOR For applications that are considered to have a long •...
Page 26: Tubing Installation
INSTALLATION Interconnecting Tubing (cont.) Tubing Installation Observe the following when installing correctly sized type “L” refrigerant tubing between the condensing unit and evaporator coil: • Check the tables on page 12 for the correct suction line size and liquid line size. •...
Page 27: Tubing Connections
INSTALLATION Interconnecting Tubing (cont.) • If tubing is to be run underground, it must be run in a sealed watertight chase. • Use care in routing tubing and do not kink or twist. Use a good tubing bender on the vapor line to prevent kinking.
Page 28: Leak Testing
INSTALLATION Interconnecting Tubing (cont.) Leak Testing Indoor coils have only a holding charge of dry nitrogen. Keep all tube ends sealed until connections are to be made. WARNING: Do not use oxygen to purge lines or pressurize system for leak test. Oxygen reacts violently with oil, which can cause an explosion resulting in severe personal injury or death.
Page 29: Wiring
WIRING Control Wiring FIELD WIRE SIZE FOR 24-VOLT THERMOSTAT CIRCUITS WARNING: Turn oﬀ electric power at the fuse box or service panel before making Thermostat SOLID COPPER WIRE – AWG. oad (amps) any electrical connections. Also, the ground connection must be completed before making line voltage connections.
Page 30: Power Wiring
WIRING Control Wiring (cont.) Power wiring must be run in a rain-tight conduit. TYPICAL 1-STAGE DUAL FUEL THERMOSTAT AND DUAL-FUEL APPLICATION Conduit must be run through the connector panel below the access cover (see page 6) and attached to the bottom of the control box. Typical One-Stage Furnace...
Page 31: Start-Up
START-UP Start-Up Even though the unit is factory-charged with Refrigerant-410A, the charge must be checked to the charge table attached to the service panel and adjusted, if required. Allow a minimum of 15 minutes of run time before analyzing charge. CAUTION: Single-pole contactors are used on all standard single-phase units...
Page 32: Evacuation Procedure
START-UP Evacuation and Leak Testing Evacuation Procedure Evacuation is the most important part of the entire service procedure. The life and efficiency of the equipment is dependent upon the thoroughness exercised by the serviceman when evacuating air and moisture from the system. Air or nitrogen in the system causes high condensing temperatures and pressure, resulting in increased power input and nonverifiable...
Page 33: Refrigerant Charge
START-UP Checking Refrigerant Charge Charge for all systems should be checked against Confirm ID Airflow and Coils the Charging Chart inside the access panel cover. Are Clean WARNING: The top of the scroll Confirm adequate indoor supply airflow prior to compressor shell is hot.
Page 34: Gross Charging By Pressures
START-UP Checking Refrigerant Charge (cont.) With an accurate scale (+/– 1 oz. [28.3 g]) or 2. Note the Outdoor Dry Bulb Temperature, volumetric charging device, adjust charge ODDB° = _____°F [_____°C]. Unit charging is difference between that shown on the unit data recommended under the following outdoor conditions ONLY: plate and that calculated for the new system...
Page 35: Finishing Up Installation
START-UP Checking Refrigerant Charge (cont.) requirement for the given outdoor and indoor NOTICE: If the indoor temperature is conditions, add charge. If the measured subcool above or below the recommended range, run the is above the listed requirement for the given system to bring the temperature down or run the outdoor and indoor conditions, remove charge.
Page 36: Components And Controls
COMPONENTS AND CONTROLS Compressor Crankcase Heat (CCH) While scroll compressors usually do not require ll heaters are located on the lower half of the crankcase heaters, there are instances when a compressor shell. Its purpose is to drive refrigerant heater should be added. Refrigerant migration from the compressor shell during long cycles, during the off cycle can result in a noisy start up.
Page 37: High- And Low-Pressure
COMPONENTS AND CONTROLS High- and Low-Pressure Controls (HPC and LPC) Standard on RP14: These controls keep the CAUTION: The compressor has compressor from operating in pressure ranges an internal overload protector. Under some which can cause damage to the compressor. Both conditions, it can take up to 2 hours for this controls are in the low-voltage control circuit.
Page 38 COMPONENTS AND CONTROLS Demand Defrost Control (cont.) to approximately 40 psig when the low pressure High/Low Pressure Control Monitoring – control automatically resets. If the low pressure Enhanced Defrost Control Only switch opens 3 times within a particular call for Status of high and low pressure controls is cooling operation, the defrost control will lock out monitored by the enhanced feature demand...
Page 39: Accessories
ACCESSORIES Heat Pump Thermostat WARNING: Turn oﬀ electric power Warning Light Kit RXPX-D01 at the fuse box or service panel before making any electrical connections. Also, the ground This component senses a compressor lock out connection must be completed before making line and tells the thermostat service light to come on.
Page 40: Diagnostics
DIAGNOSTICS Cooling Mechanical Checks Flowchart Outdoor Unit Running? Go to Electrical Checks Flowchart Pressure Problems? High Head Low Liquid Low Suction Pressure Pressure Pressure Dirty Outdoor Low on Dirty Filters Coil Charge Inoperative Outdoor Open IPR Dirty Indoor Coil Valve Low Ambient Inadequate Indoor Overcharge...
Page 41: Heating Mechanical Checks Flowchart
DIAGNOSTICS Heating Mechanical Checks Flowchart Outdoor Unit Running? Go to Electrical Checks Flowchart Pressure Problems? High Liquid Low Liquid Low Suction Pressure Pressure Pressure Dirty Indoor Low on Dirty Outdoor Coil Coil Charge Inoperative Indoor Open IRP Inadequate Outdoor Valve Airflow Low Indoor Inoperative Outdoor...
Page 42: Defrost Mechanical Checks Flowchart
DIAGNOSTICS Defrost Mechanical Checks Flowchart Defrost System Incomplete Excessive Defrost Defrost Defrost Reversing Valve Poor Sensor Wrong Defrost Control Stuck Location Timer Setting No Defrost Timer Wrong Defrost Control Poor Sensor Control Power Timer Setting Location Failed Defrost Low System Failed Defrost Relay Control Charge...
Page 43: General Troubleshooting Chart
DIAGNOSTICS General Troubleshooting Chart WARNING: Disconnect all power to unit before servicing. Contactor may break only one side. Failure to shut off power can cause electrical shock resulting in personal injury or death. SYMPTOM POSSIBLE CAUSE REMEDY Unit will not run •...
Page 44: Service Analyzer Charts
DIAGNOSTICS Service Analyzer Charts COMPRESSOR OVERHEATING SYMPTOM POSSIBLE CAUSE CHECK/REMEDY High superheat Low charge Check system charge. (greater than 15°F Faulty metering device Restricted cap tube, TEV (TXV) [-9°C] at coil) Power element superheat out of adjustment internally Foreign matter stopping ﬂ ow High internal load Hot air (attic) entering return Heat source on;...
Page 45 DIAGNOSTICS Service Analyzer Charts COMPRESSOR OVERHEATING (cont.) SYMPTOM POSSIBLE CAUSE CHECK OR REMEDIES Short cycling of Low charge Check system charge. compressor (cont.) Low evaporator airﬂ ow Dirty coil Dirty ﬁ lter Duct too small or restricted Faulty run capacitor Replace.
Page 46 DIAGNOSTICS Service Analyzer Charts CONTAMINATION SYMPTOM POSSIBLE CAUSE REMEDY Moisture Poor evacuation on installation or during service In each case, the cure is the same. Recover refrigerant. Add ﬁ lter drier, evacuate, and recharge. High head pressure Noncondensibles air Unusual head and Wrong refrigerant or mixed refrigerants suction readings Foreign matter –...
Page 47 DIAGNOSTICS Service Analyzer Charts FLOODING SYMPTOM POSSIBLE CAUSE REMEDY Loose sensing bulb Secure the bulb and insulate. Bulb in wrong location Relocate bulb. Poor system control using a TEV Wrong size TEV Use correct replacement. Improper superheat setting (less than 5°F [-15°C]) Replace TEV.
Page 48 DIAGNOSTICS Service Analyzer Charts THERMOSTATIC EXPANSION VALVES (cont.) SYMPTOM POSSIBLE CAUSE REMEDY Refrigerant drainage from ﬂ ooded evaporator Install trap riser to the top of the evaporator coil. Inoperable crankcase heater or crankcase heater Replace or add crankcase heater. Compressor ﬂ ood needed back upon start-up Any of the causes listed under symptoms of...
Page 49 DIAGNOSTICS COOLING MODE TROUBLESHOOTING TIPS INDICATORS SYSTEM DISCHARGE SUCTION SUPERHEAT SUBCOOLING COMPRESSOR PROBLEM PRESSURE PRESSURE Normal: 5°–15°F Normal: See AMPS [-15° – -9°C] Charging Chart High High High High Overcharge High Undercharge Liquid Restriction High High (Drier) Low Indoor Airﬂ ow High High High...
Page 50: Wiring Diagrams
WIRING DIAGRAMS FOR SINGLE PHASE WITH PSC FAN MOTORS...
Page 51 WIRING DIAGRAMS 3 PHASE 208/230V MODELS...
Page 52 WIRING DIAGRAMS FOR 3 PHASE, 460/575V...
Page 53 WIRING DIAGRAMS...
Page 56 CM 0815...

Ruud RP13 Installation Instructions Manual

Quick Links

Need help?

Questions and answers

Related Manuals for Ruud RP13

Summary of Contents for Ruud RP13

This manual is also suitable for:

Table of Contents