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RT-SVX074A-EN

Figure 17.

15 to 25 tons high efficiency – power exhaust

21.4

4.4

22.7

7.8

Figure 18.

15 to 25 tons high efficiency

123''

[3124]

87''

[2210]

59'' D.0 CAB OR

[1499]

66'' D.1 CAB

[1676]

65 5/8''

[1668]

55''

[1398]

31 7/8''

[810]

44 3/4''

[1135]

GAS CONNECTION

3/4 NPT (280, 320, 400 MBh)

EVAPORATOR SECTION

ACCESS PANEL

CONDENSATE DRAIN

INDOOR TOP PANEL

CONTROL BOX SECTION
ACCESS PANEL

UNIT CONTROL WIRE

2'' (50 MM) DIA. HOLE

UNIT POWER WIRE

2'' (50 MM) DIA. HOLE

OUTDOOR TOP PANEL

SERVICE GAUGE PORT ACCESS
1 3/8'' (35 MM) DIA. HOLE

2" ELECTRICAL CONN SINGLE POINT

POWER "T" MODELS ONLY

UNIT CONTROL WIRE

CONDENSER COIL

Note:

Cabinet size for 15 to 15 ton units: D0.

Dimensions and Weights

Содержание Precedent THJ072

Страница 1: ...installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags sticke...

Страница 2: ...t is used in these service procedures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applic...

Страница 3: ...than these policies those regulations supersede these policies Non Trane personnel should always follow local regulations Copyright This document and the information in it are the property of Trane a...

Страница 4: ...nsor BAYSENS135 10 Touch Screen Programmable Zone Sensor BAYSENS800 11 Evaporator Frost Control 11 Discharge Line Temp Switch DLTS 11 Smoke Detector Sensor Optional 11 Phase Monitor 11 Pre Installatio...

Страница 5: ...at 45 Final System Setup 45 Maintenance 47 Monthly Maintenance 47 Filters 47 Return Air Smoke Detector Maintenance 47 Condensate Overflow Switch 47 Cooling Season 47 Heating Season 47 Coil Cleaning 48...

Страница 6: ...or 1 Optional Oversized High Static Motor 2 Single Zone Variable Air Volume with Standard Motor 3 Single Zone Variable Air Volume with Oversized High Static Motor 4 Multiple Zone Variable Air Volume w...

Страница 7: ...7 Clogged Filter Switch Condensate Overflow Switch and Discharge Air Sensing Tube1 2 Digit 26 Not Used Digit 27 Hardware Enhancements 0 No Enhancements 1 Stainless Steel Drain Pan Digit 28 Short Circu...

Страница 8: ...rage Take precautions to prevent condensate from forming inside the unit s electrical compartments and motors if The unit is stored before it is installed or The unit is set on the roof curb and tempo...

Страница 9: ...lter switch has been closed for at least 2 minutes The system will continue to operate regardless of the status of the filter switch For further details refer to Installation Instructions ACC SVN238 E...

Страница 10: ...ted Comfort building management system Integrated Comfort System BAYSENS074 This sensor features single setpoint capability and timed override with override cancellation It is used with a Trane Integr...

Страница 11: ...e to follow these instructions will prevent the smoke detectors from performing its design function Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor coil...

Страница 12: ...Precautionary Measures Avoid breathing fiberglass dust Use a NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fitting clothing gloves and eye protection...

Страница 13: ...ORT ACCESS 1 3 8 35 MM DIA HOLE UNIT CONTROL WIRE 2 50 MM DIA HOLE EVAPORATOR SECTION ACCESS PANEL 15 1 4 388 27 5 8 700 88 1 8 2238 11 1 4 286 9 5 8 244 4 7 8 123 9 229 53 1 4 1352 50 7 8 1293 Figure...

Страница 14: ...1 4 490 16 3 4 426 9 3 8 237 32 1 4 820 3 7 4 97 Figure 5 6 to 10 tons high efficiency unit clearance and roof opening CLEARANCE 36 914 MM CLEARANCE FROM TOP OF UNIT 72 TYPICAL ROOF OPENING CLEARANCE...

Страница 15: ...6 3 8 1178 MM 34 3 8 873 MM 84 1 2 2146 MM 2 51 MM 34 3 8 873 MM 1 25 MM 49 7 8 1267 MM 50 3 8 1280 MM 2 51 MM 83 7 8 2130 MM 80 1 2 2045 MM 18 1 2 470 MM 1 25 MM 6 5 8 168 MM 18 1 4 470 MM 1 25 MM RE...

Страница 16: ...E DRAIN CONNECTION 3 4 14 NPT DIA HOLE CONTROL BOX SECTION ACCESS PANEL UNIT POWER WIRE 1 3 8 35MM DIA HOLE 1 2 NPT CONNECTION 120 MBh 3 4 NPT GAS CONNECTION 150 MBh 200 MBh 250 MBh COMPRESSOR ACCESS...

Страница 17: ...RICAL THROUGH THE BASE CONDENSATE 4 5 8 119 MM THROUGH THE BASE GAS 5 7 8 149 MM 27 5 8 701 MM 42 3 16 1072 MM 6 3 8 163 MM 2 3 4 71 MM 51 3 16 1316 MM 4 1 8 104 MM Figure 11 12 5 tons high efficiency...

Страница 18: ...FROM TOP OF UNIT 72 63 3 16 1605 MM 46 1168 MM 46 1168 MM 99 11 16 2532 MM Figure 13 12 5 tons high efficiency roof curb 56 3 8 1432 MM 14 356 MM 1 3 4 44 MM 34 3 8 873 MM 18 1 2 470 MM 1 25 MM 6 5 8...

Страница 19: ...1 279 35 890 21 3 4 554 Figure 15 6 to 12 5 tons high efficiency economizer manual or motorized fresh air damper DIMENSIONS EXTENDS TO 21 5 8 549MM WHEN POWERED EXHAUST IS COUPLED WITH LOW LEAK ECONOM...

Страница 20: ...20 RT SVX074A EN Figure 16 6 to 12 5 tons high efficiency power exhaust ECONOMIZER HOOD 20 1 2 520 5 5 8 144 Dimensions and Weights...

Страница 21: ...GAS CONNECTION 3 4 NPT 280 320 400 MBh EVAPORATOR SECTION ACCESS PANEL CONDENSATE DRAIN INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL UNIT CONTROL WIRE 2 50 MM DIA HOLE UNIT POWER WIRE 2 50 MM DI...

Страница 22: ...8 3 8 212MM 48 1223MM 6 5 8 167 MM 55 0577 1398 467 55 2977 1404 563 8 205MM 55 3 8 1404MM THROUGH THE BASE ELECTRICAL THROUGH THE BASE GAS Y_J MODELS ONLY Figure 20 15 to 25 ton high efficiency hori...

Страница 23: ...68 1727 MM 76 1 2 1943 MM 81 2057 MM ROOF OPENING CLEARANCE FORM TOP OF UNIT 72 MM 1829 MM Figure 22 15 to 25 tons high efficiency roof curb 117 3 16 2977 MM 7 1 2 191 MM 81 2057 MM 1 25 MM 1 25 MM 1...

Страница 24: ...24 RT SVX074A EN Figure 23 15 to 25 ton high efficiency swing diameter for hinged door s option 32 809MM 30 754MM 36 907MM Dimensions and Weights...

Страница 25: ...instead of base 2 Clearance is the same if any unit is rotated 180 degrees 4 0 1219 MM for D cabinet 5 0 1525 MM for D cabinet 5 8 for D cabinet 1727 MM Weights Table 1 Model weights corner weights lb...

Страница 26: ...1 150 Low Leak Economizer Horizontal 180 Manual Outside Air Damper 26 26 15 Motorized Outside Air Damper 30 30 82 Oversized Motor 14 30 Powered Convenience Outlet 38 50 50 Powered Exhaust 80 80 110 Re...

Страница 27: ...chains or slings may not be of the same length Adjust as necessary for even unit lift WARNING Improper Unit Lift Failure to properly lift unit in a LEVEL position could result in unit dropping and pos...

Страница 28: ...s required anchor the unit to the slab using hold down bolts or isolators Isolators should be installed to minimize the transmission of vibrations into the building WARNING Risk of Roof Collapsing Fai...

Страница 29: ...33 838 MM 4 1 8 104 MM 27 5 8 701 MM THROUGH THE BASE CONDENSATE 40 3 4 1035 MM THROUGH THE BASE ELECTRICAL 5 7 8 149 MM 5 127 MM 10 7 8 276 MM 3 3 4 95 MM 2 3 4 71 MM 6 1 2 165 MM Figure 32 12 5 ton...

Страница 30: ...d catwalk around the unit is strongly recommended to provide easy access for unit maintenance and service Recommendations for installing the Supply Air and Return Air ductwork joining the roof curb ar...

Страница 31: ...nd Weights chapter to protect the unit and to facilitate a uniform lift The minimum distance between the lifting hook and the top of the unit should be 7 feet 5 Test lift the unit to ensure it is prop...

Страница 32: ...sion 3 ounce tube of high temperature RTV sealant 500 F 260 C similar to Dow Corning 736 Note Failure to use recommended sealant could result in unit performance loss If a unit is to be converted to a...

Страница 33: ...flow duct opening Rotate the tube and bracket assembly 90 degrees ensuring that the holes on the aluminium sensing tube face away from the unit and face the return air ductwork Note Refer to horizonta...

Страница 34: ...ect properly sized and protected power supply wiring to a field supplied installed disconnect switch and to the main power terminal block HTB1 in the unit control panel Install proper grounding wires...

Страница 35: ...drain lines at least 1 2 inch for every 10 feet of horizontal run to assure proper condensate flow Do not allow the horizontal run to sag causing a possible double trap condition which could result i...

Страница 36: ...ints The termination points depending on the customer option selected would be a factory mounted non fused disconnect switch UDC or circuit breaker UCB If neither a factory mounted non fused disconnec...

Страница 37: ...cting wiring refer to the Dimensions and Weights chapter for the electrical access locations provided on the unit and Table 4 p 39 for AC conductor sizing guidelines and 1 Use copper conductors unless...

Страница 38: ...38 RT SVX074A EN Figure 47 Low voltage wiring C cabinet Figure 48 Low voltage wiring D cabinet Installation...

Страница 39: ...on the unit Table 5 p 39 lists the conductor sizing guidelines that must be followed when interconnecting the DC binary output devices and the system components utilizing a DC analog input output sign...

Страница 40: ...of remote sensors is required Example 2 illustrates three sensors squared in a series parallel circuit Using BAYSENS077 two sensors are required to accomplish space temperature averaging Example 3 ill...

Страница 41: ...56 5 15 0 74 65 10 12 2 63 80 15 9 4 54 66 20 6 7 46 94 25 3 8 40 40 30 1 1 34 85 35 1 7 30 18 40 4 4 26 22 Table 6 Temperature vs resistance continued Temperature Nominal Resistance kOhms Degrees F D...

Страница 42: ...Three phase electrical power to the unit must meet stringent requirements for the unit to operate properly Measure each leg phase to phase of the power supply Each reading must fall within the utiliz...

Страница 43: ...Heaters Each compressor can be equipped with a crankcase heater On some units the crankcase heater comes standard The proper operation of the crankcase heater is important to maintain an elevated com...

Страница 44: ...er will remain in any given state once initiated For detailed information on how each Service Test State is interpreted based on the equipment s configuration see ACC APG002 EN Symbio 700 for Preceden...

Страница 45: ...ctromechanical test mode connections if applicable Hot Gas Reheat WARNING Live Electrical Components Failure to follow all electrical safety precautions when exposed to live electrical components coul...

Страница 46: ...following tasks you MUST Follow all instructions in the unit s Installation Operation and Maintenance manual including warnings cautions and notices Perform all required tasks in any applicable Servi...

Страница 47: ...ures refer to the appropriate section s of the smoke detector Installation and Maintenance Instructions provided with the literature package for this unit Condensate Overflow Switch During maintenance...

Страница 48: ...oil Damage Failure to follow instructions below could result in coil damage DO NOT use any detergents with microchannel condenser coils Use pressurized water or air ONLY with pressure no greater than...

Страница 49: ...RT SVX074A EN 49 3 For compressor replacements and or additional questions contact Technical Support Maintenance...

Страница 50: ...ple maintenance log Date Current Ambient Temp F C Refrigerant Circuit 1 Refrigerant Circuit 2 Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F C...

Страница 51: ...RT SVX074A EN 51 Troubleshooting See ACC APG002 EN Application Guide Symbio 700 Controller with Precedent Packaged Rooftop Air Conditioners...

Страница 52: ...12134343 SCHEMATIC SHEET 2 POWER SINGLE INDOOR FAN COOLING ONLY ELECTRIC HEAT HIGH SCCR Main Unit Symbio 700 230V 12134344 SCHEMATIC SHEET 2 POWER SINGLE INDOOR FAN 2 STAGE GAS HEAT 230V HIGH SCCR Ma...

Страница 53: ...TIC SHEET 1 ELECTRIC HEAT 27 36 KW 240V Electric Heat Symbio 700 230V 12134303 SCHEMATIC SHEET 1 ELECTRIC HEAT 54 KW 240V Electric Heat Symbio 700 460V 575V 12134304 SCHEMATIC SHEET 1 ELECTRIC HEAT 9...

Страница 54: ...OIL AIR SERVICE VALVE SUCTION LINE LIQUID LINE FITER DRIER TXV TXV BULB EQUALIZING LINE SERVICE VALVE AIR OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE COMPRESSOR 1A S D COMPRESSOR 1B DISCHARGE LIN...

Страница 55: ...IL AIR SERVICE VALVE N O I T C U S LINE LIQUID LINE FILTER DRIER TXV TXV BULB EQUALIZING LINE SERVICE VALVE AIR OUTDOOR COIL LOW PRESSURE CONTROL COMPRESSOR 1A S D COMPRESSOR 1B DISCHARGE LINE THERMOS...

Страница 56: ...UCTION LINE LIQUID LINE FITER DRIER TXV 1 EQUALIZING LINE SERVICE VALVE OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE DISCHARGE LINE THERMOSTAT HIGH PRESSURE CONTROL AIR AIR INDOOR COIL 1 INDOOR CO...

Страница 57: ...EQUALIZING LINE SERVICE VALVE OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE THERMOSTAT HIGH PRESSURE CONTROL AIR AIR INDOOR COIL 1 INDOOR COIL 2 TXV BULB 2 TXV BULB 1 TXV 2 EQUALIZING LINE DISCHAR...

Страница 58: ...cts have been paid for and then liability shall be limited solely to the purchase price of the equipment under warranty shown to be defective THE WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF...

Страница 59: ...RT SVX074A EN 59 Notes...

Страница 60: ...formation please visit trane com or americanstandardair com Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and spec...

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