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18-AC74D1-4

Section 12. Electrical - High Voltage

12.1 High Voltage Power Supply

The high voltage power supply must agree with 
the equipment nameplate.

Power wiring must comply with national, state, 
and local codes.

Follow instructions on unit wiring diagram located 
on the inside of the control box cover and in the 
Service Facts document included with the unit.

12.2 High Voltage Disconnect Switch

12.3 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 be nec-
essary to work with live electrical components. 
Failure to follow all electrical safety precau-
tions when exposed to live electrical compo-
nents could result in death or serious injury.

WARNING

!

Install a separate disconnect switch at the 
outdoor unit.

For high voltage connections, flexible electri-
cal conduit is recommended whenever vibra-
tion transmission may create a noise problem 
within the structure.

Содержание 4TTX5018A1000A

Страница 1: ...matched indoor and outdoor systems All of the manufacture s split systems are A H R I rated only with TXV EEV indoor systems Some of the benefits of installing approved matched indoor and outdoor spl...

Страница 2: ...for component replacement For specific handling concerns with R 410A and POE oil reference Retrofit Bulletins SS APG006 EN and APP APG011 EN Extreme caution should be exercised when opening the Liquid...

Страница 3: ...SS APG006 EN or Refrigerant Piping Software Program 32 3312 03 or latest revi sion Table 2 1 Unit Dimensions and Weight Models H x D x W in Weight lb 4TTX5018A1000A 41 x 34 x 37 227 4TTX5024A1000A 41...

Страница 4: ...12 to Shrubbery Min 12 to Wall 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 struc...

Страница 5: ...ion 4 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...

Страница 6: ...ge Line Length 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...

Страница 7: ...structure due to vibration transmission 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 hanger...

Страница 8: ...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 Lin...

Страница 9: ...avoid heat damage and continue the dry nitrogen purge Braze the refrigerant lines to the service valves Continue the dry nitrogen purge Do not re move the wet rag until all brazing is completed Import...

Страница 10: ...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 Lea...

Страница 11: ...e 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 COUNTE...

Страница 12: ...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 t...

Страница 13: ...umper wire from W3 to W2 If electric heat does not have 2nd contactor BH connect a jumper wire from W2 to W1 2 Ylo and BK may not be present on unit Air Handler Hook up Diagram Notes 1 If single stage...

Страница 14: ...Y2 B O BK D Y1 R Neatly bundle all low voltage wires behind the service valve cover as shown Yellow Yellow Blue Blue Yellow Yellow Blue Blue Notes 1 See User Interface setup menu for cooling CFM opti...

Страница 15: ...flow circuits to work properly Internally mounted con 4 densate switch is optional and must be ordered separately If 3rd party condensate 5 overflow switches are installed they should be wired in seri...

Страница 16: ...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 ne...

Страница 17: ...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 is u...

Страница 18: ...to return in the spring or summer to accurately charge the system in the cooling mode when outdoor ambient tempera ture is above 55 F STEP 1 Use the refrigerant line total length and lift measurements...

Страница 19: ...60 Use Design Subcooling Add 1 REFRIGERANT LINE LIFT FT SUBCOOL CHARGING CHART CORRECTIONS TABLE TOTAL REFRIGERANT LINE LENGTH FT 042 Units 60 Add 5 50 Add 4 40 30 25 20 15 10 0 10 20 25 30 40 60 Add...

Страница 20: ...sure 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 14 179 182 185 188 191 195 198 195...

Страница 21: ...S FOR 4TTX5049E1000A 4TXCD010CC3 Cooling 1400 CFM LIQUID PRESSURE PSIG OUTDOOR TEMPERATURE Degree F SUCTION PRESSURE PSIG OUTDOOR TEMPERATURE Degree F COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDO...

Страница 22: ...eckout Procedures and Troubleshooting 15 1 Operational And Checkout Procedures Checkout Procedure After installation has been completed it is recommended that the entire system be checked against the...

Страница 23: ...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 C...

Страница 24: ...www trane com The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice Representative only illustra...

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