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14 

 88-A4HP4001-1B-EN

10.1 Open the Liquid Service Valve

Important:

 

Leak check and evacuation must be 

completed before opening the service valves.

STEP 1

 - Remove service valve cap.

STEP 2

 - Fully insert 3/16” hex wrench into the 

stem and back out counterclockwise until valve 
stem just touches the rolled edge (approximately 
five (5) turns.)

STEP 3

 - Replace the valve cap to prevent leaks. 

Tighten finger tight plus an additional 1/6 turn.

Cap

Rolled Edge to 

Captivate Stem

Hex Headed 

Valve System

Service Port

3/16” Hex Wrench

Unit Side 

of Service 

Valve

Extreme caution should be exercised when 
opening the Liquid Line Service Valve. Turn 
counterclockwise until the valve stem just 
touches the rolled edge. No torque is required. 
Failure to follow this warning will result in abrupt 
release of system charge and may result in 
personal injury and /or property damage.

WARNING

!

Section 11. Electrical - Low Voltage

11.1 Low Voltage Maximum Wire Length

Table 11.1 defines the maximum total length of 
low voltage wiring from the outdoor unit, to the 
indoor unit, and to the thermostat.

Table 11.1

24 VOLTS

WIRE SIZE

MAX. WIRE LENGTH

18 AWG

150 Ft.

16 AWG

225 Ft.

14 AWG

300 Ft.

Summary of Contents for A4HP4017A1000A

Page 1: ...of the manufacture s split systems are AHRI rated with Piston TXV EEV indoor systems Some of the benefits of installing approved matched indoor and outdoor split systems are maximum efficiency optimu...

Page 2: ...mponent replacement For specific handling 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...

Page 3: ...ction 6 Refrigerant Line Routing 9 Section 7 Refrigerant Line Brazing 10 Section 8 Refrigerant Line Leak Check 12 Section 9 Evacuation 13 Section 10 Service Valves 13 Section 11 Electrical Low Voltage...

Page 4: ...6 x 25 6 x 25 6 143 A4HP4023A 28 6 x 25 6 x 25 6 143 A4HP4024A 28 6 x 29 8 x 29 8 159 A4HP4030A 28 6 x 34 3 x 34 3 177 A4HP4036A 28 6 x 34 3 x 34 3 177 A4HP4042A 28 6 x 34 3 x 34 3 197 A4HP4048A 32 6...

Page 5: ...h of refrigerant lines from outdoor to indoor unit should NOT exceed 150 feet including lift 2 The maximum vertical change should not exceed 50 feet 3 Service valve connection diameters are shown in T...

Page 6: ...n areas where snow accumulation and prolonged below freezing temperatures occur Units should be elevated 3 12 inches above the pad or roof top depending on local weather This additional height will al...

Page 7: ...Setting the Unit 4 1 Pad Installation When installing the unit on a support pad such as a concrete slab consider the following The pad should be at least 1 larger than the unit on all sides The pad mu...

Page 8: ...____ Ft Total Vertical Change lift __________ Ft The outdoor condensing units are factory charged with the system charge required for the outdoor condensing unit ten 10 feet of tested connecting line...

Page 9: ...from the refrigerant lines For Example When the refrigerant lines have to be fastened to floor joists or other framing in a structure use isolation type hangers Isolation hangers should also be used w...

Page 10: ...re or other appropriate method every 8 ft 8 Feet Maximum Isolation Through Wall DO NOT hang line sets from ductwork Sealant Insulation Vapor Line Wall Ductwork Isolator Line Set Section 7 Refrigerant...

Page 11: ...mage and continue the dry nitro gen purge Braze the refrigerant lines to the service valves Continue the dry nitrogen purge Do not remove the wet rag until all brazing is completed Important Remove th...

Page 12: ...P 2 Check for leaks by using a soapy solu tion or bubbles at each brazed location Remove nitrogren pressure and repair any leaks before continuing Section 8 Refrigerant Line Leak Check 8 1 Check For L...

Page 13: ...lete blank off the vacuum pump and micron gauge and close the valves on the manifold gauge set 1 MIN Section 10 Service Valves 10 1 Open the Gas Service Valve 0350 Microns ON OFF CAP 1 4 TURN ONLY COU...

Page 14: ...lve System Service Port 3 16 Hex Wrench Unit Side of Service Valve Extreme caution should be exercised when opening the Liquid Line Service Valve Turn counterclockwise until the valve stem just touche...

Page 15: ...rnace Furnace Outdoor Unit R G B W1 W2 B Y R G B C W1 W2 24 VAC HOT FAN 24 VAC Common COOL HEATING Y Y1 Y Y YLO Thermostat Outdoor Unit R G B W1 W2 B R G B C Y1 W1 W2 24 VAC HOT FAN 24 VAC Common COOL...

Page 16: ...peration 2 FRC_DFT Forced Defrost Short TEST_ COMMON to this pin for two 2 seconds to initiate a forced defrost Remove the short after defrost initiates Defrost Control Checkout Normal operation requi...

Page 17: ...igh 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 be...

Page 18: ...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 19: ...d lift measurements from Section 5 3 Total Line Length __________ Ft Vertical Change Lift __________ Ft Note Use this method when matched with a TXV or EEV indoor unit Section 14 System Charge Adjustm...

Page 20: ...RISE Add 2 REFRIGERANT LINE LIFT FT 50 1 40 30 25 Use Design Subcooling 15 1 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Add 1 REFRIGERANT LINE LIFT FT SUBCOOL CHARGING CHART CORRECTIONS TAB...

Page 21: ...ressure should be ap proximately 327 PSIG 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...

Page 22: ...gree F SUCTION PRESSURE PSIG OUTDOOR TEMPERATURE Degree F COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDOOR TEMP IS ABOVE 65 DEG F TO CHECK COOLING PERFORMANCE SELECT THE PROPER INDOOR CFM ALLOW PRE...

Page 23: ...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 24: ...____ F Liquid Gage Pressure __________ PSIG Suction Gage Pressure __________ PSIG Calculating Charge Using the Weigh In Method STEP 1 Measure in feet the distance between the outdoor unit and the indo...

Page 25: ...obtained with the namplate charge plus additional charge previously added STEP 5 Return to site for adjustment Important Return in the spring or summer to accurately charge the system in the cooling m...

Page 26: ...against the following list Final phases of this installation are the unit Operational and Checkout Procedures To obtain proper performance all units must be operated and charge adjustments made Import...

Page 27: ...A C T O R C O I L L O W V O L T A G E F U S E S T U C K C O M P R E S S O R I N E F F I C I E N T C O M P R E F U N D E R C H A R G E R E F O V E R C H A R G E E X C E S S I V E E V A P L O A D N O N...

Page 28: ...19 Trane All Rights Reserved 11 19 The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice Represe...

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