Trane 4TTX7 Скачать руководство пользователя страница 24 | Manualshive

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24

18-AC125D1-1A-EN

Printed from D159175

Cooling Refrigeration Cycle

4 Ton Units

5 Ton Units

Cooling Refrigeration Cycle

Printed from D158965

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Содержание 4TTX7

Страница 1: ...All of the manufacture s split systems are AHRI rated only with TXV EEV indoor systems Some of the benefits of installing approved matched indoor and out door split systems are maximum efficiency opt...

Страница 2: ...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 the Liq...

Страница 3: ...th 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 Standard and alternate line sizes and service va...

Страница 4: ...oof top depending on local weather This additional height will allow drainage of snow and ice melted during defrost cycle prior to its refreezing Ensure that drain holes in unit base pan are not obstr...

Страница 5: ...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 h...

Страница 6: ...048E 7 8 3 8 7 8 3 8 150 50 4TTX7060E 1 1 8 3 8 7 8 3 8 150 50 ALTERNATE LINE SIZES Line Sizes Service Valve Connection Sizes Max Line Lift Lengths Vapor Line Liquid Line Vapor Line Connection Liquid...

Страница 7: ...mine required line length and lift You will need this later in STEP 2 of Section 14 Total Line Length __________ Ft Total Vertical Change lift __________ Ft The outdoor condensing units are factory ch...

Страница 8: ...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 when refr...

Страница 9: ...e 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 L...

Страница 10: ...orrect direction of refrigeration flow away from outdoor unit and toward evapo rator coil as illustrated Braze the filter drier to the Liquid Line Continue the dry nitrogen purge Do not remove the wet...

Страница 11: ...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...

Страница 12: ...ete 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 COUN...

Страница 13: ...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...

Страница 14: ...ple stages of electric heat jumper W1 and W2 together if comfort control has only one stage of heat TEM6 only When using a BK enabled comfort control cut BK jumper and bypass Y1 and Y2 at the air hand...

Страница 15: ...ce NOTES 1 For PWM BK enabled thermostats cut the BK jumper on the IFC and connect wiring 2 The factory Y1 O jumper must remain in place for proper LED read out in cooling mode 3 Y1 and Y2 wiring from...

Страница 16: ...s 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 used and the Outdoor Ambient is below 70 F 60 M...

Страница 17: ...ient tempera ture is above 55 F For best results the indoor temperature should be kept between 70 F to 80 F STEP 1 Use the refrigerant line total length and lift measurements from Section 5 3 Total Li...

Страница 18: ...ARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE Add 2 REFRIGERANT LINE LIFT FT 4 Ton Units 50 1 40 1 30 25 Use Design Subcooling 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 REFRIGE...

Страница 19: ...essure 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 1...

Страница 20: ...arged 2 Remove gages 3 Replace service port caps to prevent leaks Tighten finger tight plus an additional 1 6 turn STEP 8 Verify typical performance Refer to System Pressure Curves at the end of the d...

Страница 21: ...ured Suction Line Temp __________ F Liquid Gage Pressure __________ PSIG Suction Gage Pressure __________ PSIG Calculating Charge Using the Weigh In Method 1 Measure in feet the distance between the o...

Страница 22: ...coming into direct contact with copper tubing 5 Verify that all electrical connections are tight 6 Observe outdoor fan during on cycle for clearance and smooth operation Section 15 Checkout Procedures...

Страница 23: ...18 AC125D1 1A EN 23 Section 16 Refrigerant Circuits Cooling Refrigeration Cycle Printed from D158964 Cooling Refrigeration Cycle Printed from D158948 2 Ton Units 3 Ton Units...

Страница 24: ...24 18 AC125D1 1A EN Printed from D159175 Cooling Refrigeration Cycle 4 Ton Units 5 Ton Units Cooling Refrigeration Cycle Printed from D158965...

Страница 25: ...18 AC125D1 1A EN 25 Section 17 Wiring Diagrams 2 3 Ton Units...

Страница 26: ...26 18 AC125D1 1A EN PRINTED FROM D157615P04 REV A 2 3 Ton Units...

Страница 27: ...18 AC125D1 1A EN 27 4 Ton Units...

Страница 28: ...28 18 AC125D1 1A EN 4 Ton Units...

Страница 29: ...18 AC125D1 1A EN 29 5 Ton Units...

Страница 30: ...30 18 AC125D1 1A EN 5 Ton Units...

Страница 31: ...EMP 82 F 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION 3 AT INTERSECTION 4 LIQUID PRESSURE 600 CFM IS 295 PSIG 4 LIQUID PRESSURE 810 CFM IS 280 PSIG 5 SUCTION PRE...

Страница 32: ...OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION 3 AT INTERSECTION 4 LIQUID PRESSURE 780 CFM IS 307 PSIG 4 LIQUID PRESSURE 1050 CFM IS 287 PSIG 5 SUCTION PRESSURE 780...

Страница 33: ...EMP 82 F 2 INDOOR WET BULB 67 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION 3 AT INTERSECTION 4 LIQUID PRESSURE 1050 CFM IS 311 PSIG 4 LIQUID PRESSURE 1400 CFM IS 292 PSIG 5 SUCTION PRESSURE 1050 CFM IS...

Страница 34: ...IZE MEASURE INDOOR WET BULB TEMPERATURE OUTDOOR TEMPERATURE LIQUID AND SUCTION PRESSURES ON THE PLOTS LOCATE OUTDOOR TEMPERATURE 1 LOCATE INDOOR WET BULB 2 FIND INTERSECTION OF OD TEMP ID W B 3 READ L...

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