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Rheem RP14 14 SEER, Installation Instructions Manual

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Rheem RP14 14 SEER Installation Instructions Manual Download Page 34

34

YES

NO

Pressure

Problems?

Low Liquid

Pressure

Low Suction

Pressure

High Liquid

Pressure

Go to Electrical

Checks Flowchart

Dirty Outdoor Coil

Inadequate Outdoor

Airflow

Inoperative Outdoor

Fan Motor

Low on

Charge

Open IRP

Valve

Low Indoor

Temperature

Bad

Compressor

Indoor Check

Valve Closed

Restricted Outdoor

Metering Device

Restricted

Filter Drier

Dirty Indoor 

Coil

Inoperative Indoor

Fan

Overcharge

Noncondensibles

Dirty Filters

Inadequate Ducts

Wrong Indoor

Fan Rotation

Outdoor Check

Valve Closed

Restricted

Filter Drier

Outdoor Unit

Running?

Low on Charge

Restricted Outdoor

Metering Device

Restriction in

System

Recirculation of

Outdoor Air

Wrong Outdoor

Blower Rotation

Reversing Valve

Failure

Heating Mechanical Checks Flowchart

DIAGNOSTICS

Diagnostics

Summary of Contents for RP14 14 SEER

Page 1: ...RVICE 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 RE...

Page 2: ...sting 19 Wiring 21 22 Control Wiring 20 Conventional 24 VAC Thermostat Control Wiring 20 Typical Thermostat Wiring Diagrams 20 21 Power Wiring 21 Grounding 21 Start Up 22 26 Start Up 22 Checking Airfl...

Page 3: ...pump and may also endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components accessories or devices CAUTION...

Page 4: ...mpany 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 prop...

Page 5: ...4 15 4 83 9 0 60 20 20 35 35 25 25 14 82 1 38 1 3333 1573 123 3487 156 70 8 163 73 9 RP1442AJ1N A 208 230 1 60 17 9 17 9 112 0 0 90 24 24 40 40 30 30 14 82 1 38 1 2943 1389 167 4734 166 75 3 173 78 5...

Page 6: ...ctions Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment life MATCH ALL COMPONENTS OUTDOOR UNIT INDOOR COIL INDOOR AIR HANDLER FURNACE REFRIGERANT LINES I...

Page 7: ...operation Closely follow the clearance recommendations on page 8 24 61 0 cm to the service panel access 60 152 4 cm above heat pump fan discharge unit top to prevent recirculation 6 15 2 cm to heat pu...

Page 8: ...istribute unit weight evenly and prevent noise and vibration Where snowfall is anticipated raise the unit above the base pad to prevent ice buildup and coil damage Mount the unit high enough to be abo...

Page 9: ...eport 23 Lexington 12 Kalispell 53 Winston Salem 17 Bristol 8 WISCONSIN Hartford 29 Louisville 11 Missoula 23 NORTH DAKOTA Chattanooga 6 Green Bay 36 New Haven 15 MAINE NEBRASKA Bismarck 25 Knoxville...

Page 10: ...tible R 410A and air should never be mixed in tanks or supply lines or be allowed to accumulate in storage tanks Leak checking should never be done with a mixture of R 410A and air Leak checking can b...

Page 11: ...orator The existing evaporator must be replaced with the factory specified TXV evaporator specifically designed for R 410A Location Do not install the indoor coil in the return duct system of a gas or...

Page 12: ...It is important not to allow the refrigerant to flash any superheated vapor prior to the expansion device of the indoor coil The flashing of refrigerant can occur for the following reasons Low refrige...

Page 13: ...section of the I O for detail Long Line Set Applications Long line set applications are defined as ap plications that require accessories or alternate construction methods The following are special c...

Page 14: ...the calculated equivalent length falls within the compatibility region of the chart Verify Table 3 to verify the capacity difference is compatible with the application Refrigerant Migration During Of...

Page 15: ...erted trap even with top of the coil Insulated liquid and suc on line Reference Table 2 for eleva on limita ons Figure 4 Indoor Unit Above Outdoor Coil For applications that are considered to have a l...

Page 16: ...e considered to have a long line set with the outdoor unit above the indoor unit the following is required TXV at the indoor unit Crankcase heater Start components maybe required depending upon qualit...

Page 17: ...4 85 25 91 65 19 81 70 21 34 45 13 72 60 18 29 70 21 34 40 12 19 20 6 1 50 15 24 60 18 29 95 28 96 100 30 48 95 28 96 50 15 24 80 24 38 90 27 43 90 27 43 70 21 34 85 25 91 20 6 1 60 18 29 70 21 34 40...

Page 18: ...K OK OK OK OK OK OK OK OK OK OK OK 1 1 8 28 58 N R N R N R N R N R N R N R N R N R N R N R N R 36 3 8 9 53 5 8 15 88 OK OK OK OK OK OK OK OK OK OK OK OK 3 4 19 05 OK OK OK OK OK OK OK OK OK OK OK OK 7...

Page 19: ...eat pump units and must be installed in the liquid line upon unit installation When replacing an R 22 system with an R 410A system and the line set is not replaced use a flush kit available through af...

Page 20: ...door coils have only a holding charge of dry nitrogen Keep all tube ends sealed until connections are to be made Use type L copper refrigeration tubing Braze the connections with the following alloys...

Page 21: ...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 Pressurize line set and coil through servic...

Page 22: ...een thermostat and outdoor unit Typical Noncommunicating Thermostat Wiring Diagrams The following figures show the typical wiring diagrams for RH1T RHIV air handlers and 1 stage heat pump and dual fue...

Page 23: ...make sure all connections are tight DO NOT connect aluminum field wire to the Comfort Control2 terminals Grounding WARNING The unit must be permanently grounded Failure to do so can cause electrical...

Page 24: ...This ensures a comfortable living space These simple mathematical formulas can be used to determine the CFM in a residential or light commercial system Electric resistance heaters can use CFM volts x...

Page 25: ...e readings because of pressure drop through the fittings After adequate evacuation open both service valves by removing both brass service valve caps with an adjustable wrench Insert a 3 16 5 mm or 5...

Page 26: ...versing valve and compressor are to be used Confirm ID Airflow and Coils Are Clean Confirm adequate indoor supply airflow prior to starting the system See the Technical Specification Sheet for rated a...

Page 27: ...g outdoor conditions ONLY Cooling Mode ONLY 55 F 12 8 C outdoor dry bulb and above Heating Mode ONLY Between 40 F 4 4 C and 60 F 15 6 C outdoor dry bulb 3 Locate and note the design pressures The corr...

Page 28: ...om pressure ports then replace the pressure port caps and tighten adequately to seal caps Do not overtighten Replace the service valve caps finger tight and then tighten with an open end wrench adequa...

Page 29: ...Standard on RP14 These controls keep the compressor from operating in pressure ranges which can cause damage to the compressor Both controls are in the low voltage control circuit The high pressure co...

Page 30: ...ate a defrost every 34 minutes of compressor run time with the coil temperature below 35 F If the coil sensor fails the defrost control will not initiate a defrost Test Mode The test mode is initiated...

Page 31: ...the low side pressure rises to approximately 40 psig when the low pressure automatically resets If the low pressure switch trips 3 times within 120 minutes of operation during a particular call for h...

Page 32: ...it for better thermostat temperature display Heat Pump Thermostat Warning Light Kit RXPX D01 This component senses a compressor lock out and tells the thermostat service light to come on This will let...

Page 33: ...lve Closed Restricted Indoor Metering Device Restricted Filter Drier Dirty Outdoor Coil Inoperative Outdoor Fan Overcharge Recirculation of Outdoor Air Noncondensibles HigherThan Ambient Air Entering...

Page 34: ...alve Closed Restricted Outdoor Metering Device Restricted Filter Drier Dirty Indoor Coil Inoperative Indoor Fan Overcharge Noncondensibles Dirty Filters Inadequate Ducts Wrong Indoor Fan Rotation Outd...

Page 35: ...Defrost No Defrost Wrong Defrost Control Timer Setting Poor Sensor Location Low System Charge Poor Sensor Location Wrong Defrost Control Timer Setting ReversingValve Stuck No DefrostTimer Control Powe...

Page 36: ...ton Charge per procedure attached to unit service panel Recover refrigerant Evacuate and recharge Add filter drier Compressor short cycles Incorrect voltage Defective overload protector Refrigerant un...

Page 37: ...unit Correct and complete diagnosis High line voltage Power company problem Have problem corrected High head pressure Overcharge Check system charge Dirty heat pump coil Clean coil Faulty or wrong siz...

Page 38: ...k for correct ohms Voltage present on line side of com pressor contactor only Thermostat Check for control voltage to contactor coil Compressor control circuit High pressure switch Low pressure switch...

Page 39: ...SIBLE CAUSE REMEDY Compressor failures Line tubing too large Reduce pipe size to improve oil return Low suction pressure Low charge Check system charge Refrigerant leaks Repair and recharge Cold noisy...

Page 40: ...nal equalizer line restriction Undersized TEV Replace with correct valve Loss of charge from power head sensing bulb Replace power head or complete TEV Charge migration from sensing bulb to power head...

Page 41: ...aporator coil Ensure blower is moving proper air CFM Remove Correct any airflow restriction Superheat and suction pressure fluctuate valve is hunting Expansion valve is oversized Install correct TEV S...

Page 42: ...r TXV Feeler Bulb Charge Lost Low Low High High Low Poorly Insulated Indoor Sensing Bulb High High Low Low High HEATING MODE TROUBLESHOOTING TIPS SYSTEM PROBLEM INDICATORS DISCHARGE PRESSURE SUCTION P...

Page 43: ...43 FOR SINGLE PHASE WITH PSC FAN MOTORS WIRING DIAGRAMS Wiring Diagrams...

Page 44: ...44 WIRING DIAGRAMS 3 PHASE 208 230V MODELS Wiring Diagrams...

Page 45: ...45 Wiring Diagrams WIRING DIAGRAMS FOR 3 PHASE 460 575V...

Page 46: ...46...

Page 47: ...47...

Page 48: ...48 CM 0614...

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