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R-410A HEAT PUMP

OUTDOOR UNITS

92-105074-13-01 (10/18) Printed in USA

[ ] indicates metric conversions.

Do not destroy this manual.
Please read carefully and
keep in a safe place for future
reference by a serviceman.

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.

INSTALLATION INSTRUCTIONS

FO14R (14 SEER) AND FO15R (15 SEER)

WARNING:

RECOGNIZE THIS SYMBOL
AS AN INDICATION OF
IMPORTANT SAFETY
INFORMATION.

ACCREDITED

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Содержание FO14R Series

Страница 1: ...RSONNEL 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 INSTALLATION INSTRUCTIONS FO14R 14 SEER AND FO15R 15 SEER W...

Страница 2: ...5 Refrigerant Migration 15 Tubing Installation 20 Tubing Connections 21 Leak Testing 22 Wiring 23 24 Control Wiring 23 Typical Thermostat Wiring Diagrams 23 Power Wiring 24 Grounding 24 Start Up 25 26 Start Up 25 Checking Airflow 25 Evacuation Procedure 26 Final Leak Testing 26 Checking Refrigerant Charge 27 29 Charging Units With R 410A Refrigerant 27 Confirm ID Airflow and Coils Are Clean 27 Mea...

Страница 3: ...s on R 410A equipment Use appropriate care when using this refrigerant Failure to exercise care may result in equipment damage or personal injury Only match this outdoor unit with a matched indoor coil or air handler approved for use with this outdoor XQLW SHU WKH XQLW PDQXIDFWXUHU V VSHFLILFDWLRQ VKHHW The use of unmatched coils or air handler will likely result in a charge imbalance between the ...

Страница 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 properly matched Application Before specifying any heat pump equipment a survey of the structure and a heat loss and heat gain calculation must be made A heat loss calculation involves identifying all sur...

Страница 5: ...it oz g Weight Face Area Sq Ft m2 No Rows Shipping Lbs kg ELECTRICAL PHYSICAL Voltage Phase Freq Compressor Fan Motor Full Load Amperes FLA Minimum Circuit Ampacity Amperes Outdoor Coil Rated Load Amperes Locked Rotor Amperes Fuse or HACRCircuit Breaker CFM Net Lbs RLA LRA Minimum Amperes Maximum Amperes L s kg 18 A 208 230 1 60 9 9 48 0 6 14 20 20 20 20 14 82 1 38 1 2478 1169 100 2835 171 77 6 17...

Страница 6: ...ERIES P PISTON F DUAL FUEL G DUAL FUEL 2ND DESIGN SERIES CONTROLS N NON COMMUNICATING C COMMUNICATING VOLTAGE J 1ph 208 230 60 C 3ph 208 230 60 D 3ph 460 60 Y 3ph 575 60 TYPE S SINGLE STAGE T TWO STAGE V VARIABLE MINOR SERIES A FIRST DESIGN SERIES B SECOND DESIGN SERIES LPC HPC 18 14 R S J N A A PRODUCT CATEGORY C AC R HEAT PUMP SEER 14 14 SEER 15 15 SEER CAPACITY 18 18 000 BTU 42 42 000 BTU 24 24...

Страница 7: ...shorten equipment life MATCH ALL COMPONENTS OUTDOOR UNIT INDOOR COIL INDOOR AIR HANDLER FURNACE REFRIGERANT LINES INDOOR THERMOSTAT Specifications General Information 60 Size Major Series Size Major Series Size Major Series Size Major Series Size Major Series Size Major Series Size Major Series Size Major Series 18 C 24 A 18 P 30 A 24 P 36 F 42 P 18 G 30 F 36 A 42 F 48 F 48 B P 24 F 30 P 42 A 48 A...

Страница 8: ... 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 pump coil grille air inlets with 12 30 5 cm minimum recommended Corrosive Environment The metal parts of this unit may be subject to rust or deterioration if exposed to a corrosive environment This oxi...

Страница 9: ...stribute 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 above the average accumulated area snowfall See Ground Snow Depth chart on page 10 for representative snow depths NOTICE Do not block drain openings on bottom of unit If unit must be elevated because of a...

Страница 10: ...geport 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 8 La Crosse 32 DELAWARE Caribou 100 Grand Island 30 Fargo 34 Memphis 5 Madison 32 Wilmington 13 Portland 62 Lincoln 20 Williston 25 Nashville 8 Milwaukee 32 GEORGIA MARYLAND Norfolk 29 OHIO TEXAS WYO...

Страница 11: ...stible 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 be performed safely with nitrogen or a mixture of R 410A and nitrogen Quick Reference Guide For R 410A R 410A refrigerant operates at approximately 60 higher pressure 1 6 times than R 22 Ensure that s...

Страница 12: ...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 oil furnace Provide a service inlet to the coil for inspection and cleaning Keep the coil pitched toward the drain connection CAUTION When coil is installed over a finished ceiling and or living area...

Страница 13: ...LRU WR WKH H SDQVLRQ GHYLFH RI WKH LQGRRU FRLO 7KH ÁDVKLQJ RI refrigerant can occur for the following reasons Low refrigerant charge Improperly selected liquid line size Absorption of heat prior to expansion device Excessive vertical rise between the condenser and evaporator 7DEOH OLVWV WKH HTXLYDOHQW OHQJWK SHU RI OLTXLG OLQH DW YDULRXV GLDPHWHUV XS WR 7KH WRWDO SUHV sure drop allowed for the liq...

Страница 14: ... application is considered to have a long line set The region of the chart that is shaded grey is considered to be a long line set application Oil Level Adjustments for Long Line Set Applications Additional oil will need to be added for long line set applications Ref Table 2 Below is the equation for the oil level adjustment and the compressor name plate oil charge for the different OD units Oil t...

Страница 15: ...amount of additional refrigerant This additional refrigerant needs to be managed throughout the entire ambient operating envelope that the system will go through during its life cycle Off Cycle migration is where excess refrigerant condenses and migrates to the lowest part of the system Excessive build up of refrigerant at the compressor will result in poor reli ability and noisy operation during ...

Страница 16: ...lowing is required TXV or EEV at the IDunit Crankcase heater Some models have factory installed CCH s Refer to tables on pages 14 and 15 Start components may be required depending upon quality of voltage consistantly 200vac at OD unit Refrigerant lines should be routed even with the top of the ID coil or an inverted trap is to be ap plied refer to Figure 4 Insulated liquid and suction line in unco...

Страница 17: ... at the indoor unit Crankcase heater Some models have factory installed CCH s Refer to tables on pages 14 and 15 Start components maybe required depending upon quality of voltage consistantly 200 vac at outdoor unit Insulated liquid and suction line in unconditioned space only Follow the proper line sizing equivalent length charging requirements and oil level adjustments spelled out in this docume...

Страница 18: ... 1 00 75 1 00 100 0 99 100 0 99 100 0 99 100 0 98 100 0 98 100 0 98 100 0 97 3 8 3 4 67 93 25 0 99 50 0 98 75 0 97 88 0 96 80 0 95 72 0 94 65 0 92 57 0 91 49 0 90 NR 1 2 3 4 33 47 25 0 99 50 0 98 75 0 97 100 0 96 100 0 95 100 0 94 100 0 92 100 0 91 100 0 90 NR 3 8 7 8 67 93 25 1 00 50 1 00 75 0 99 88 0 99 80 0 99 72 0 98 65 0 97 57 0 97 49 0 96 42 0 96 1 2 7 8 33 47 25 1 00 50 1 00 75 0 99 100 0 9...

Страница 19: ...5 1 00 23 1 00 30 0 99 30 0 99 30 0 99 30 0 98 30 0 98 30 0 98 30 0 97 9 53 3 8 19 05 3 4 20 28 8 0 99 15 0 98 23 0 97 27 0 96 24 0 95 22 0 94 20 0 92 17 0 91 15 0 90 NR 12 7 1 2 19 05 3 4 10 14 8 0 99 15 0 98 23 0 97 30 0 96 30 0 95 30 0 94 30 0 92 30 0 91 30 0 90 NR 9 53 3 8 22 23 7 8 20 28 8 1 00 15 1 00 23 0 99 27 0 99 24 0 99 22 0 98 20 0 97 17 0 97 15 0 96 13 0 96 12 7 1 2 22 23 7 8 10 14 8 ...

Страница 20: ...t 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 aftermarket stores such as Prostock If tubing has been cut make sure ends are deburred while holding in a position to prevent chips from falling into tubing Burrs such as those caused by tubing cutters ca...

Страница 21: ...tions Indoor 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 copper to copper 5 silver minimum copper to steel or brass 15 silver minimum Be certain both refrigerant shutoff valves at the outdoor unit are closed Remove the caps and Schrader cores from t...

Страница 22: ... 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 service fittings with dry nitrogen to 150 PSIG maximum Close nitrogen tank valve let system sit for at least 15 minutes and check to see if the pressure has dropped If the pressure has dropped check for le...

Страница 23: ...uld be 18 Awg color coded For lengths longer than 100 ft 16 Awg wire should be used 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 fuel applications with a gas furnace and 1 stage heat pump Cooling and heat pump airflows may need to be adjusted for homeowner comfort once the system...

Страница 24: ...d 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 shock resulting in severe personal injury or death A grounding lug is provided near the line voltage power entrance for a ground wire NOTES 1 FOR PROGRAMMING THERMOSTAT IN DUAL FUEL APPLICATION SEE T...

Страница 25: ... home 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 amps 3 413 SHC temp rise Gas furnaces can use CFM Output Capacity in BTUH SHC temp rise Refer to furnace data plate for furnace output capacity SHC Sensible Heat Constant see table below An air ve...

Страница 26: ... to false 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 16 8 mm hex wrench into the stem and turn counterclockwise until the wrench stops Gauges must be connected at this point to check and adjust charge Do not replace caps yet IMPORTANT Compressor...

Страница 27: ...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 airflow for each ID OD unit match Air filter s and coils indoor and outdoor are to be clean and free of frost prior to starting the system Supply airflow must be between 320 and 450 cfm per rated cooling ton prior to adjusting system cha...

Страница 28: ...tions 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 correct liquid and vapor pressures are found at the intersection of the installed system and the outdoor ambient temperature on the Charging Chart located inside the access panel cover Liquid Pressure ______psig Vapor P...

Страница 29: ...e 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 adequately to seal caps Do not overtighten Replace control box cover and service panel and install screws to secure service panel Restore power to unit at disconnect if required Configure indoor thermostat per the thermostat installati...

Страница 30: ...switch on and wall thermostat off Start components are not usually required with the scroll compressors used in heat pumps but are available for special cases and where start components are desirable to reduce light dimming Hard start components are available through Prostock Components 03 30 06 03 5 02 7 5 13 10 5 02 7 5 2 14 4 02 7 5 25 20 4 02 7 5 31 25 4 02 7 5 36 31 4 02 01 5 37 5 02 01 25 20...

Страница 31: ...ected termination temperature The factory setting is 70 F but can be changed to 50 F 60 F or 80 F by relocating the jumper on the control board Temperature Sensors The coil sensor is located on the outdoor coil at the point fed by the distribution tubes from the expansion device short 3 8 dia Tube The ambient air sensor is located outside the control box so it can sense outdoor temperatures If the...

Страница 32: ...ooling operation the defrost control will lock out compressor and fan operation Heating Mode The compressor and fan motor will stop when the low pressure control opens and will start again when 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 heating ...

Страница 33: ...nit 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 the homeowner know that service is needed on the system NOTE Warning light on thermostat will come on during a 5 minute compressor time delay and for 5 seconds during defrost while the compressor is...

Страница 34: ...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 OutdoorCoil Wrong Outdoor Fan Rotation Inadequate Ducts Outdoor Check Valve Closed Restricted Filter Drier Outdoor Unit Running Low on Charge Restricted Indoor Metering Device Restriction in System Re...

Страница 35: ...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 R...

Страница 36: ... 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 Power Failed Defrost Control Failed Defrost Relay During Defrost Defrost System Wind Affecting Defrost Mechanical Checks Flowchart DIAGNOSTICS ...

Страница 37: ...M per ton Charge per procedure attached to unit service panel 5HFRYHU UHIULJHUDQW YDFXDWH DQG UHFKDUJH GG ÀOWHU drier Compressor short cycles Incorrect voltage Defective overload protector Refrigerant undercharge At compressor terminals voltage must be 10 of nameplate marking when unit is operating Replace Check for correct voltage Add refrigerant Registers sweat RZ LQGRRU DLUÁRZ Increase speed of...

Страница 38: ...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 size heat pump fan motor Replace fan motor Faulty fan blade or wrong rotation Replace fan blade Replace with correct rotation motor Recirculation of air Correct installation Additional heat source Check ...

Страница 39: ...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 Ambient thermostat Solid state protection control or internal thermal sensors Compressor timed off on control or interlock No voltage on line side of compressor contactor Blown fuses or tripped circuit...

Страница 40: ...EMEDY 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 compressor Slugging Dilution of oil with refrigerant Observe piping guidelines Noisy compressor Migration Check crankcase heater Cold sweating compressor Flooding Check system charge Low load 5HGXFHG DLUÁRZ LUW À...

Страница 41: ... Remove external 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 Warm power head with warm wet cloth Does valve operate correctly now Ensure TEV is warmer than sensing bulb Valve feeds too much refrigerant with low superheat and higher than normal suc...

Страница 42: ...LO Ensure blower is moving proper air CFM 5HPRYH RUUHFW DQ DLUÁRZ UHVWULFWLRQ Superheat and suction pressure ÁXFWXDWH YDOYH LV hunting Expansion valve is oversized Install correct TEV Sensing bulb is affected by liquid refrigerant or UHIULJHUDQW RLO ÁRZLQJ WKURXJK VXFWLRQ OLQH Relocate sensing bulb in another position around the circumference of the suction line 8QHTXDO UHIULJHUDQW ÁRZ WKURXJK HYD...

Страница 43: ...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 PRESSURE SUPERHEAT Normal 5 15 F 15 9 C SUBCOOLING Normal See Charging Chart COMPRESSOR AMPS Overcharge High High OK High High Undercharge Low Low OK or High Low Low Liquid Restriction Drier Low Low Hi...

Страница 44: ...44 FOR SINGLE PHASE WITH PSC FAN MOTORS WIRING DIAGRAMS Wiring Diagrams ...

Страница 45: ...45 Wiring Diagrams WIRING DIAGRAMS 3 PHASE 208 230V MODELS ...

Страница 46: ...46 Wiring Diagrams WIRING DIAGRAMS FOR 3 PHASE 460 575V ...

Страница 47: ...lador exterior Optional Opcional Run capacitor Capacitor de marcha Resistor Reostato Start capacitor Capacitor de arranque Start relay Relé de arranque Terminal block Enfermedad de bloque Time delay control Control del tiempo de retardo WIRING DIAGRAM DIAGRAMA ELÉCTRICO DE CABLEADO REMOTE HEAT PUMP 3 PHASE BOMBA DE CALOR REMOTA TRIPLE FASE NOTES OBSERVACIONES 1 Connectors suitable for use with cop...

Страница 48: ...48 ...

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