Trane A4AC5018D1000A Installation And Operation Manual Download Page 27 | Manualshive

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88-A4AC5001-1A-EN

27

A4AC5018 - 060 Models

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Summary of Contents for A4AC5018D1000A

Page 1: ...training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all pre cautions in the literature an...

Page 2: ...concerns with R 410A and POE oil reference Retrofit Bulletins SS APG006 EN and APP APG011 EN or APP APG012 EN Extreme caution should be exercised when opening the Liquid Line Service Valve Turn count...

Page 3: ...ction 7 Refrigerant Line Brazing 9 Section 8 Refrigerant Line Leak Check 11 Section 9 Evacuation 11 Section 10 Service Valves 12 Section 11 Electrical Low Voltage 13 Section 12 Electrical High Voltage...

Page 4: ...gerant Piping Software Program 32 3312 03 or latest revi sion When mounting the outdoor unit on a roof be sure the roof will support the unit s weight Properly selected isolation is recommended to all...

Page 5: ...onable Position the outdoor unit a minimum of 12 from any wall or surrounding shrubbery to ensure adequate airflow Outdoor unit location must be far enough away from any structure to prevent excess ro...

Page 6: ...e Liquid Line Vapor Line Connection Liquid Line Connection A4AC5018D 3 4 3 8 3 4 3 8 A4AC5024D 3 4 3 8 3 4 3 8 A4AC5030D 3 4 3 8 3 4 3 8 A4AC5036D 7 8 3 8 3 4 3 8 A4AC5042D 7 8 3 8 7 8 3 8 A4AC5048D 7...

Page 7: ...5 4 Refrigerant Line Insulation Important The Vapor Line must always be insulated DO NOT allow the Liquid Line and Vapor Line to come in direct metal to metal contact Vapor Line Liquid Line Insulatio...

Page 8: ...uld be insulated and isolated Isolate the lines from all ductwork Minimize the number of 90 turns Comply with National State and Local Codes when isolating line sets from joists rafters walls or other...

Page 9: ...ctwork Isolator Line Set Section 7 Refrigerant Line Brazing 7 1 Braze The Refrigerant Lines STEP 1 Remove caps or plugs Use a deburing tool to debur the pipe ends Clean both internal and external surf...

Page 10: ...ntil all brazing is completed Important Remove the wet rag before stopping the dry nitrogen purge Note Install drier in Liquid Line NOTE NOTE Precautions should be taken to avoid Precautions should be...

Page 11: ...TEP 1 Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen 150 PSIG Section 9 Evacuation 9 1 Evacuate the Refrigerant Lines and Indoor Coil Important Do not open the ser...

Page 12: ...P 3 Replace the valve stem cap to prevent leaks Tighten finger tight plus an additional 1 6 turn 10 2 Open the Liquid Service Valve Important Leak check and evacuation must be completed before opening...

Page 13: ...G 300 Ft 11 2 Low Voltage Hook up Diagrams R G B W1 W2 R B O Y X2 R G B C O Y W HEAT PUMP SYSTEMS Blue 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAGE EMERGENCY HEAT Thermostat...

Page 14: ...ly one stage of heat If equipped with second stage heat When using a BK enabled comfort control cut BK jumper and bypass Y and YLo at the furnace Connect BK from comfort control to BK of the furnace T...

Page 15: ...High Voltage Ground Ground the outdoor unit per national state and local code requirements LIVE ELECTRICAL COMPONENTS During installation testing servicing and troubleshooting of this product it may...

Page 16: ...t s to apply power to the indoor and outdoor units STEP 5 Set system thermostat to ON OFF DONE CANCEL ON OFF STEP 4 Wait one 1 hour before starting the unit if compressor crankcase heater acces sory i...

Page 17: ...e refrigerant line total length and lift measurements from Section 5 and use line length adders as shown in Section 5 2 if required Total Line Length __________ Ft Vertical Change Lift __________ Ft N...

Page 18: ...LINE LENGTH FEET REFRIGERANT LINE LIFT FEET 10 20 25 30 40 60 Add 4 of Subcooling Add 3 of Subcooling Add 2 of Subcooling Add 1 of Subcooling Use Design Subcool Value 60 50 40 30 25 20 15 10 0 SUBCOO...

Page 19: ...ressure should be ap proximately 327 PSI This is the shown as the intersection of the Final Subcooling column and the Liquid Temperature row Table 14 2 8 9 10 11 12 13 14 179 182 185 188 191 195 198 1...

Page 20: ...en adjustments Note When the Liquid Line Temperature and Gage Pressure approximately match the chart the system is properly charged 2 Remove gages 3 Replace service port caps to prevent leaks Tighten...

Page 21: ...25 27 28 30 31 95 4 6 8 10 13 14 16 18 20 22 23 25 26 28 29 100 6 8 10 12 13 16 18 20 21 23 25 27 29 105 4 6 7 9 11 13 15 18 20 22 24 26 28 110 4 7 9 11 13 16 18 21 23 26 28 115 6 9 12 14 16 19 21 24...

Page 22: ...Section 15 Checkout Procedures 15 1 Operational And Checkout Procedures CHECKOUT PROCEDURE After installation has been completed it is recommended that the entire system be checked against the followi...

Page 23: ...88 A4AC5001 1A EN 23 Section 16 Refrigerant Circuits 1 1 2 Ton Units PRINTED FROM D158513P01 2 3 Ton Units PRINTED FROM D157394P01...

Page 24: ...24 88 A4AC5001 1A EN 3 1 2 4 Ton Units PRINTED FROM D158514P01 2 1 2 Ton Units Accumulator...

Page 25: ...88 A4AC5001 1A EN 25 5 Ton Units PRINTED FROM D158515P01...

Page 26: ...26 88 A4AC5001 1A EN Section 17 Wiring Diagrams A4AC5018 060 Models...

Page 27: ...88 A4AC5001 1A EN 27 A4AC5018 060 Models...

Page 28: ...INDOOR WET BULB 2 FIND INTERSECTION OF OD TEMP ID W B 3 READ LIQUID 4 OR SUCTION 5 PRESSURE IN LEFT COLUMN EXAMPLE 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION ACTUAL 4 LIQUID PRESSURE...

Page 29: ...MP ID W B 3 READ LIQUID 4 OR SUCTION 5 PRESSURE IN LEFT COLUMN EXAMPLE 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION ACTUAL 4 LIQUID PRESSURE 600 CFM IS 300 PSIG LIQUID PRESSURE SHOULD...

Page 30: ...B 2 FIND INTERSECTION OF OD TEMP ID W B 3 READ LIQUID 4 OR SUCTION 5 PRESSURE IN LEFT COLUMN EXAMPLE 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION ACTUAL 4 LIQUID PRESSURE 600 CFM IS 31...

Page 31: ...Notes...

Page 32: ...anstandardair com The AHRI Certified mark indicates company participation in the AHRI Certification program For verification of individual certified products go to ahridirectory org The manufacturer h...

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