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AIR COOLED  

CONDENSING UNITS

92-104921-09-07 (5/16) 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

(-)A13, (-)A14 & (-)A16 MODEL SERIES –
13, 14 & 16 SEER

WARNING:

 

RECOGNIZE THIS SYMBOL 

AS AN INDICATION OF  

IMPORTANT SAFETY  

INFORMATION

ST-A1226-01-00

FEATURING INDUSTRY STANDARD
R-410A REFRIGERANT

e a r t h   f r i e n d l y   r e f r i g e r a n t

e a r t h

r

y   r

d l y

d l

e n

r i e

i

  f r

h

NOTE: Actual unit appearance

may vary.

Summary of Contents for A13 Series

Page 1: ...HOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERATION FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION ADJUSTMENT SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE ELECTRICAL S...

Page 2: ...tion 14 Refrigerant Migration 14 Installation 17 24 Tubing Installation 25 Tubing Connections 26 Leak Testing 27 Wiring 28 29 Control Wiring 28 Thermostat Wiring Diagrams 28 Power Wiring 29 Grounding...

Page 3: ...at 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 CAUT...

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: ...6AD1NB A1442AD1NB A1448AD1NB A1460AD1NB 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 460 460 460 460 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 3 60 60...

Page 6: ...31 3 00 1 1 1 1 1 1 1 2 1 1 1 1 2404 1134 2851 1345 3914 1847 4340 2048 4450 2100 4658 2198 4776 2254 5124 2418 4340 2048 4450 2100 4658 2198 4776 2254 82 2325 87 2466 113 3203 108 108 150 4252 174 49...

Page 7: ...pecifications L W H A I R D I S C H A R G E ALLOW 60 1524mm OF CLEARANCE ST A1226 02 00 SERVICE PANELS INLET CONNECTIONS HIGH LOW VOLTAGE ACCESS ALLOW 24 610 mm OF CLEARANCE AIR INLET LOUVERS ALLOW 6...

Page 8: ...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 9: ...ering the unit Unit 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...

Page 10: ...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 perf...

Page 11: ...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 12: ...ny superheated vapor prior to the expansion device of the indoor coil The flashing of refrigerant can occur for the following reasons Low refrigerant charge Improperly selected liquid line size Absorp...

Page 13: ...el adjustment Table 2 is used to determine if the 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 Leve...

Page 14: ...ntire ambient operating envelope that the system will go through during its life cycle Off Cycle mi gration is where excess refrigerant condenses and migrates to the lowest part of the system Exces si...

Page 15: ...ERANT LINES EVEN WITH TOP OF COIL OR INSTALL INVERTED TRAP INSULATE LIQUID AND SUCTION LINE REFERENCE TABLE 2 FOR MAXIMUM LENGTH LIMITATIONS For applications that are considered to have a long line se...

Page 16: ...e indoor unit the following is required TXV at the indoor unit Crankcase heater some models have factory installed CCH s Refer to tables on pages 13 14 Start components maybe required depending upon q...

Page 17: ...29 55 16 76 50 15 24 7 16 11 12 25 7 62 50 15 24 75 22 86 95 28 96 95 28 96 90 27 43 90 27 43 85 25 91 85 25 91 85 25 91 80 24 38 80 24 38 1 2 12 71 25 7 62 50 15 24 75 22 86 100 30 48 100 30 48 95 28...

Page 18: ...6 90 27 43 1 4 6 35 15 4 57 N R N R N R N R N R N R N R N R N R N R N R 5 16 7 94 25 7 62 50 15 24 35 10 67 15 4 57 N R N R N R N R N R N R N R N R 3 8 9 53 25 7 62 50 15 24 70 21 34 65 19 81 60 18 29...

Page 19: ...48 50 15 24 85 25 91 95 28 96 100 30 48 20 6 1 70 21 34 90 27 43 95 28 96 60 18 29 80 24 38 90 27 43 40 12 19 70 21 34 80 24 38 30 9 14 70 21 34 85 25 91 50 15 24 70 21 34 65 19 81 90 27 43 95 28 96 1...

Page 20: ...00 0 99 1 00 1 00 1 00 1 00 0 98 1 00 1 00 1 00 1 00 0 98 1 00 1 00 1 00 1 00 0 98 0 99 1 00 1 00 1 00 0 97 0 99 1 00 1 00 1 01 0 97 0 99 1 00 1 00 1 01 0 96 0 99 1 00 1 00 1 01 0 96 0 99 1 00 1 01 1...

Page 21: ...85 0 85 0 84 3 4 19 05 1 00 1 00 0 99 0 99 0 97 0 97 0 97 0 95 0 95 0 95 0 94 0 93 7 8 22 23 1 00 1 00 1 01 1 00 1 00 0 99 0 99 0 99 0 99 0 98 0 98 0 98 1 25 4 1 01 1 00 0 99 1 00 1 00 1 01 1 01 1 00...

Page 22: ...55 16 76 90 27 43 100 30 48 100 30 48 30 9 14 75 22 86 90 27 43 95 28 96 60 18 29 75 22 86 85 25 91 20 6 1 85 25 91 100 30 48 105 32 105 32 70 21 34 95 28 96 100 30 48 105 32 45 13 72 85 25 91 95 28...

Page 23: ...00 1 00 1 00 1 00 1 00 1 00 1 00 1 01 1 01 1 01 1 01 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 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 0...

Page 24: ...1 00 1 01 0 95 0 99 0 99 1 00 1 01 0 94 0 98 1 00 1 00 1 00 0 93 0 98 0 99 1 00 1 00 0 93 0 97 0 99 1 00 1 00 0 91 0 96 0 99 1 00 1 00 0 91 0 96 0 98 1 00 1 00 0 9 0 95 0 98 1 00 1 00 0 89 0 95 0 98...

Page 25: ...tem with 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 f...

Page 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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 33: ..._____ 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 34: ...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 35: ...P31K6E TF5 ZP34K5E TF5 ZP42K5E TF5 ZP51K5E TF5 ZP31K6E TFD ZP34K5E TFD ZP42K5E TFD ZP51K5E TFD ZP42K5E TFE ZP51K5E TFE 9 6 lbs 9 6 lbs 9 6 lbs 9 6 lbs 12 lbs 12 lbs 12 lbs 9 6 lbs 12 lbs 12 lbs 12 lbs...

Page 36: ...oltage control circuit The high pressure control HPC is an automatic reset which opens near 610 PSIG and closes near 420 PSIG The low pressure control LPC is an automatic reset which opens near 15 PSI...

Page 37: ...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 38: ...UnitWiringand Connections CompressorWinding Open Unit Running YES Repairand Recheck YES Repairand Recheck NO VoltageonCompressor SideofContactor NO YES RunCapacitor NO VoltageonLine SideofContactor NO...

Page 39: ...oor Check Valve Closed Restricted Indoor Metering Device Restricted Filter Drier Dirty Outdoor Coil Inoperative Outdoor Fan Overcharge Recirculation of Outdoor Air Noncondensibles HigherThan Ambient A...

Page 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...47 For Single Phase Models WIRING DIAGRAMS Wiring Diagrams...

Page 48: ...48 WIRING DIAGRAMS For Three Phase Models Wiring Diagrams...

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