Rheem RA1418AJ1NA Installation Instructions Manual Download | Manualshive

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For Single-Phase Models

WIRING DIAGRAMS

Wiring Diagrams

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Summary of Contents for RA1418AJ1NA

Page 1: ...READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERATION FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION ADJUSTMENT SERVICE OR MAINTENANCE POSSIBLY RESU...

Page 2: ...Connections 19 20 Leak Testing 20 Wiring 21 22 Control Wiring 21 Conventional 24 VAC Thermostat Control Wiring 21 Thermostat Wiring Diagrams 21 22 Power Wiring 22 Grounding 22 Start Up 23 27 Start Up...

Page 3: ...those authorized by the manufacturer into onto or in conjunction with the heat pump You should be aware that the use of unauthorized components accessories or devices may adversely affect the operatio...

Page 4: ...parent or concealed should be filed immediately with the shipping company Check model number electrical characteristics and accessories to determine if they are correct Check system components indoor...

Page 5: ...56 7 132 59 9 RA1430AJ1NA 208 230 1 60 12 8 12 8 64 0 0 70 17 20 20 12 15 1 13 1 2605 1229 93 0 2636 141 64 0 148 67 1 RA1436AJ1NA 208 230 1 60 14 1 14 1 77 0 0 60 19 25 25 14 82 1 38 1 3104 1464 112...

Page 6: ...t charge and proper airflow are critical to achieve rated capacity and efficiency Installation of this product should follow the manufacturer s refrigerant charging and airflow instructions Failure to...

Page 7: ...ess 60 152 4 cm above fan discharge unit top to prevent recirculation 6 15 2 cm to coil grille air inlets with 12 30 5 cm minimum recommended Corrosive Environment The metal parts of this unit may be...

Page 8: ...it Mounting WARNING Secure an elevated unit and its elevating stand in order to prevent tipping Failure to do so may result in severe personal injury or death If installing a unit on a flat roof use 4...

Page 9: ...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 perfo...

Page 10: ...ically 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 pitch...

Page 11: ...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 12: ...t 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...

Page 13: ...o verify that 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 Migrat...

Page 14: ...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 15: ...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 16: ...R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N R N...

Page 17: ...3 8 9 53 5 8 15 88 0 99 0 98 0 97 0 96 0 95 0 93 0 93 0 91 0 9 0 9 0 89 0 88 3 4 19 05 1 00 1 00 0 99 0 99 0 98 0 99 0 99 0 97 0 98 0 97 0 96 0 96 7 8 22 23 1 01 1 01 1 00 1 00 1 00 0 99 0 99 0 99 0 9...

Page 18: ...an R 410A system and the line set is not replaced drain any oil that has pooled in low spots in the lineset Commercially available flush kits are not recommended due to the risk of residual flushing a...

Page 19: ...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 20: ...e 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 fitti...

Page 21: ...R OIL FURNACE FOR TYPICAL GAS OR OIL HEAT C Y G W R Y G W R TYPICAL THERMOSTAT SUBBASE TYPICAL GAS OR OIL FURNACE TYPICAL CONDENSING UNIT BR BROWN WIRE YL YELLOW WIRE X WIRE CONNECTION YL BR X X FOR T...

Page 22: ...ttom of the control box Connect power wiring to line voltage lugs located in the outdoor unit electrical box See wiring diagram attached to unit access panel Check all electrical connections including...

Page 23: ...e 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...

Page 24: ...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 25: ...nd 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 a...

Page 26: ..._____ C Unit charging is recommended under the following outdoor conditions ONLY Cooling Mode ONLY 55 F 12 8 C outdoor dry bulb and above 3 Locate and note the design pressures The correct liquid and...

Page 27: ...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 28: ...n and wall thermostat is off Compressor Crankcase Heat CCH High and Low Pressure Controls HPC and LPC HPC and LPC are not installed on RA14 AJINA but can be field installed using the followiing kit nu...

Page 29: ...or thermostat operation this control keeps it off at least 5 minutes which allows the system pressure to equalize thus not damaging the compressor or blowing fuses on start up Low Ambient Control LAC...

Page 30: ...UnitWiringand Connections CompressorWinding Open Unit Running YES Repairand Recheck YES Repairand Recheck NO VoltageonCompressor SideofContactor NO YES RunCapacitor NO VoltageonLine SideofContactor NO...

Page 31: ...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 32: ...ssor terminals voltage must be 10 of nameplate marking when unit is operating Replace Check for correct voltage Add refrigerant Registers sweat Low indoor airflow Increase speed of blower or reduce re...

Page 33: ...ire feeding unit Correct and complete diagnosis High line voltage Power company problem Have problem corrected High head pressure Overcharge Check system charge Dirty outdoor coil Clean coil Faulty or...

Page 34: ...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 35: ...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 36: ...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 37: ...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 38: ...rcharge High High Low High High Undercharge Low Low High Low Low Liquid Restriction Drier Low Low High High Low Low Indoor Airflow Low Low Low Low Low Dirty Outdoor Coil High High Low Low High Low Out...

Page 39: ...39 For Single Phase Models WIRING DIAGRAMS Wiring Diagrams...

Page 40: ...40 WIRING DIAGRAMS For Three Phase Models Wiring Diagrams...

Page 41: ...41 NOTES...

Page 42: ...42 NOTES...

Page 43: ...43 NOTES...

Page 44: ...44...

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