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Trane Technologies 4TWA4036A3000A, Руководство по установке

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18-BC97D1-1D-EN

3

Unit Location Considerations . . . . . . . . . . . . . . . 4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Coastal Considerations. . . . . . . . . . . . . . . . . . . . 5

Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Setting Up the Unit . . . . . . . . . . . . . . . . . . . . . . . 6

Refrigerant Line Considerations. . . . . . . . . . . . 7

Refrigerant Line Brazing . . . . . . . . . . . . . . . . . . . 10

Refrigerant Line Leak Check . . . . . . . . . . . . . . . 12

Refrigerant Line and Indoor Coil
Evacuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Service Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Electrical — Low Voltage . . . . . . . . . . . . . . . . . . 14

Electrical — High Voltage . . . . . . . . . . . . . . . . . . 16

System Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

System Charge Adjustment . . . . . . . . . . . . . . 18

Subcooling Charging in Cooling
between 55° F and 120° OD
Ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Subcool Charging Correction
Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Charging the Unit. . . . . . . . . . . . . . . . . . . . . . . . . . 21

Refrigerant Charging Chart . . . . . . . . . . . . . . . . 22

Checkout Procedures . . . . . . . . . . . . . . . . . . . . . . 23

Table of Contents

Содержание 4TWA4036A3000A

Страница 1: ... serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment May 2020 1 18 8 B BC C9 97 7D D1 1 1 1D D E EN N Split System Heat Pump 3 Phase 230V 3 Phase 460V 2 20 08 8 2 23 30 0V V M MO OD DE EL L 4TWA4036A3000A 4TWA4042A3000A 4TWA4048A3000A 4TWA4060A3000A 4 46 60 0V V M MO OD DE EL L 4TWA4036A4000A ...

Страница 2: ...ro op pe er r p pr ro oc ce ed du ur re es s c ca an n r re es su ul lt t i in n p pe er rs so on na al l i il ll ln ne es ss s o or r i in nj ju ur ry y o or r s se ev ve er re e e eq qu ui ip pm me en nt t d da am ma ag ge e S Sy ys st te em m c co on nt ta ai in ns s o oi il l a an nd d r re ef fr ri ig ge er ra an nt t u un nd de er r h hi ig gh h p pr re es ss su ur re e R Re ec co ov ve er r...

Страница 3: ...gerant Line Leak Check 12 Refrigerant Line and Indoor Coil Evacuation 12 Service Valves 13 Electrical Low Voltage 14 Electrical High Voltage 16 System Start Up 17 System Charge Adjustment 18 Subcooling Charging in Cooling between 55 F and 120 OD Ambient 19 Subcool Charging Correction Charts 20 Charging the Unit 21 Refrigerant Charging Chart 22 Checkout Procedures 23 Table of Contents ...

Страница 4: ...d or vibration transmission to the building structure Table 2 Refrigerant Line and Service Valve Connection Sizes 1 The maximum TOTAL length of refrigerant lines from outdoor to indoor unit should NOTexceed 150 feet including lift 2 The maximum vertical change should not exceed 50 feet 3 Service valve connection diameters are shown in the Refrigerant line and Service Valve connection size table on...

Страница 5: ...irectly on the unit Min 12 to Shrubbery Avoid Install Near Bedrooms Min 5 Unrestricted Access Panel Min 3 Unrestricted Min 12 to Shrubbery Min 12 to Wall Table 4 Cold Climate Considerations Heat Pump Only Note It is recommended that these precautions be taken for units being installed in areas where snow accumulation and prolonged below freezing temperatures occur Units should be elevated 3 12 inc...

Страница 6: ...ol Setting Up the Unit Table 5 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 must be separate from any structure The pad must be level The pad should be high enough above grade to allow for drainage The pad location must comply with National State and Local codes ...

Страница 7: ...ry Charge The outdoor condensing units are factory charged with the system charge required for the outdoor condensing unit ten 10 feet of tested connecting line and the smallest rated indoor evaporative coil match Always verify proper system charge via subcooling TXV EEV or superheat fixed orifice per the unit nameplate Table 8 Required Refrigerant Line Length Determine required line length and li...

Страница 8: ...n no ot t s so ol ld de er re ed d For retrofit applications where the existing indoor evaporator coil and or refrigerant lines will be used the following precautions should be taken Ensure that the indoor evaporator coil and refrigerant lines are the correct size Ensure that the refrigerant lines are free of leaks acid and oil Important For more information see publication number SS APG006 EN Tab...

Страница 9: ...opriate method every 8 ft Table 13 Isolation In Wall Spaces Side View Isolator Line Set 8 Feet Maximum Wall 8 Feet Maximum Secure Vapor Line from joists using isolators every 8 ft Secure Liquid Line directly to insulated Vapor Line using tape wire or other appropriate method every 8 ft Table 14 Isolation Through Wall Wall Sealant Insulation Vapor Line Duct Work Isolator Line Set DO NOT hang line s...

Страница 10: ...es 1 Remove caps or plugs Use a deburring tool to debur the pipe ends Clean both internal and external surfaces of the tubing using an emery cloth 2 Remove the pressure tap cap and valve core from each service valves 3 Purge the refrigerant lines and indoor coil with dry nitrogen ...

Страница 11: ...flow away from outdoor unit and toward evaporator coil as illustrated Braze the filter drier to the Liquid Line 6 Continue the dry nitrogen purge Do not remove the wet rag until all brazing is completed Important Remove the wet rag before stopping the dry nitrogen purge Note Precautions should be taken to avoid heat damage to base pan during brazing It is recommended to keep the flame directly off...

Страница 12: ... Coil Evacuation I Im mp po or rt ta an nt t Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete 1 Evacuate until the micron gauge reads no higher than 350 microns then close off the valve to the vacuum pump 0350 Microns ON OFF 2 Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns in one 1...

Страница 13: ...t i in n p pe er rs so on na al l i in nj ju ur ry y a an nd d o or r p pr ro op pe er rt ty y d da am ma ag ge e E Ex xt tr re em me e c ca au ut ti io on n s sh ho ou ul ld d b be e e ex xe er rc ci is se ed d w wh he en n o op pe en ni in ng g t th he e S Su uc ct ti io on n a an nd d L Li iq qu ui id d L Li in ne e S Se er rv vi ic ce e V Va al lv ve e T Tu ur rn n v va al lv ve e s st te em m...

Страница 14: ...able 20 Low Voltage Hook up Diagrams With TEM 3 4 6 8 Thermostat Air Handler Outdoor Unit R G B W1 W2 R B O Y X2 R G B C O Y W Blue 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAGE EMERGENCY HEAT Pink Black White X2 O Y With TAM 4 5 7 9 Thermostat Air Handler Outdoor Unit R G B W1 W2 R B O YO YO X2 R G B C O Yl W Blue O Yl 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE ...

Страница 15: ... results in the normal mode of operation 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 requires Status LED on board flashing 1 time second in standby or 2 times second with call for heating or cooling 24V AC between R B 24V AC between Y Y0 B with unit operating...

Страница 16: ...igh 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 Table 23 High Voltage Disconnect Switch W WA AR RN NI IN NG G H HI IG GH H L LE EA AK KA AG GE E C CU UR RR RE EN NT T F Fa ai ...

Страница 17: ...ostat to OFF OFF DONE CANCEL 2 Turn on electrical power disconnect s to apply power to the indoor and outdoor units ON OFF 3 Wait one 1 hour before starting the unit if compressor crankcase heater accessory is used and the Outdoor Ambient is below 70 F 60 MIN ...

Страница 18: ...rrections Charts Subcooling Charging Correction Worksheet Total Line Length ft ________________________ Total Vertical Charge lift ________________________ Values from Required Refrigerant Line Length Design Subcooling Value ________________________ from nameplate or Service Facts Final Subcooling Value ________________________ Note The only mode approved for setting or validating system charge is...

Страница 19: ...ver charge is removed or added the system must be operated for a minimum of 20 minutes to stabilize before accurate measurements can be made 4 Measure Liquid Line Temperature and Refrigerant Pressure at service valves 5 Determine total refrigerant line length and height lift if indoor section is above the condenser 6 Determine the Design Subcooling Charging Temperature from the unit nameplate 7 Lo...

Страница 20: ...SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE TOTAL REFRIGERANT LINE LENGTH FT includes lift Add 1 50 40 30 25 Use Design Subcooling 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Add 1 Add 1 Add 1 Add 2 Add 4 REFRIGERANT LINE LIFT FT SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE TOTAL REFRIGERANT LINE LENGTH FT includes lift 50 1 40 1 30 25 Use Des...

Страница 21: ...e Service Facts document to verify typical performance PRESSURE CURVE SAMPLE Cooling 1450 SCFM Heating 1350 SCFM DISCHARGE PRESSURE PSIG OUTDOOR TEMPERATURE Degree F SUCTION PRESSURE PSIG 110 115 120 125 130 135 140 145 150 155 160 165 170 40 60 80 100 120 200 250 300 350 400 450 500 550 40 60 80 100 120 1 1 3 3 5 4 2 2 INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71 67 63 AND 59 DEG F INDOOR ENT...

Страница 22: ...11 215 65 211 215 218 222 225 229 232 70 229 232 236 240 243 247 251 75 247 251 255 259 263 267 271 80 267 271 275 279 283 287 291 85 287 291 296 300 304 309 313 90 309 313 318 322 327 331 336 95 331 336 341 346 351 355 360 100 355 360 365 370 376 381 386 105 381 386 391 396 402 407 413 110 407 413 418 424 429 435 441 115 435 441 446 452 458 464 470 120 464 470 476 482 488 495 501 125 495 501 507 ...

Страница 23: ...ing shipment Adjust tubing if necessary so tubes do not rub against each other or any component when unit runs Ductwork is sealed and insulated All drain lines are clear with joints properly sealed Pour water into drain pan to confirm proper drainage Provide enough water to ensure drain trap is primed Supply registers and return grilles are open unobstructed and air filter is installed Indoor blow...

Страница 24: ... Certified mark indicates Trane U S Inc participation in the AHRI Certification program For verification of individual certified products go to ahridirectory org Trane has a policy of continuous data improvement and it reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices 18 BC97D1 1D EN 05 May 2020 Supersedes 18 B...

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