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SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge and training. Improperly 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, stickers, and labels that are attached to the equipment.

December 2022

PKGP-SVX010A-EN

Installation, Operation, and Maintenance

Packaged Rooftop Air
Conditioners
Precedent™ Heat Pump

Standard Efficiency
12.5 to 25 Tons — 60 Hz

Model Numbers:

WSJ150A - WSJ300A

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Содержание Precedent WSJ150

Страница 1: ...rly 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 sti...

Страница 2: ...at 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 appli...

Страница 3: ...t 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...

Страница 4: ...en Programmable Zone Sensor BAYSENS800 11 Evaporator Frost Control 11 Discharge Line Temp Switch DLTS 11 Smoke Detector Sensor Optional 11 Phase Monitor 11 Pre Installation 12 Precautionary Measures 1...

Страница 5: ...intenance 36 Filters 36 Return Air Smoke Detector Maintenance 36 Condensate Overflow Switch 36 Cooling Season 36 Heating Season 36 Coil Cleaning 37 Coil Cleaning Procedure 37 Annual Maintenance 38 Fin...

Страница 6: ...sized 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 with Standard Motor...

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 Circ...

Страница 8: ...orage 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 temp...

Страница 9: ...tion Instructions ACC SVN238 EN Note On units equipped with factory installed MERV 13 filters a clogged filter switch with different pressure settings will be installed This switch will close when the...

Страница 10: ...gle setpoint capability and timed override with override cancellation It is used with a Trane Integrated Comfort building management system Remote Zone Sensor BAYSENS016 This bullet type temperature s...

Страница 11: ...re 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 coi...

Страница 12: ...g 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 protectio...

Страница 13: ...00 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...

Страница 14: ...8MM 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 D_J MODELS ONLY Figure 4 12 5 to 25 tons standard effici...

Страница 15: ...22 7 Figure 6 12 5 to 25 tons standard efficiency unit clearance and roof opening UNIT OUTLINE CLEARANCE 36 914 MM CLEARANCE 48 1219 MM FRONT OF UNIT CLEARANCE 60 1524 MM CLEARANCE 68 1727 MM 76 1 2...

Страница 16: ...MM 1 25 MM 1 25 MM 116 7 8 2969 MM 28 9 16 725 MM 23 1 4 591 MM 22 1 4 565 MM 1 25 MM 1 13 16 46 MM 1 1 2 38 MM PERIMETER CURB FLANGE 7 7 6 189 MM 14 1 16 357 MM 2 51 MM 69 1 2 1765 MM Figure 8 12 5 t...

Страница 17: ...pped with economizer or barometric relief damper clearance distance is to be measured from protruding hood instead of base 2 Clearance is the same if any unit is rotated 180 degrees 4 0 1219 MM for D...

Страница 18: ...w Leak Economizer Horizontal 180 180 Manual Outside Air Damper 15 15 Motorized Outside Air Damper 82 82 Oversized Motor 30 Powered Convenience Outlet 50 50 Powered Exhaust 110 110 Reheat Coil 100 100...

Страница 19: ...ht of the unit Lifting cables 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 r...

Страница 20: ...injury and property damage Confirm with a structural engineer that the roof structure is strong enough to support the combined weight of the roofcurb the unit and any accessories For rooftop applicati...

Страница 21: ...roof deck for the ductwork penetrations Do not cut out the entire roof deck within the curb perimeter If a Curb Accessory Kit is not used The ductwork can be attached directly to the factory provided...

Страница 22: ...all the roof curb if applicable Refer to the latest edition of the curb installers guide that ships with each curb kit Fabricate and install ductwork secure ductwork to curb Install pitch pocket for p...

Страница 23: ...ust be removed to allow the cable to extend to the horizontal mounting location Main Electrical Power Requirements WARNING Hazardous Voltage w Capacitors Failure to disconnect power and discharge capa...

Страница 24: ...lock Figure 18 Condensate trap installation 38 1 Note Minimum if unit static is higher trap must be taller to drain appropriately Filter Installation The quantity of filters is determined by unit siz...

Страница 25: ...ns should be terminated in the control box at main panel power terminal block HTB1 Provide proper grounding for the unit in accordance with local and national codes Notes Black gasket is shipped from...

Страница 26: ...for the electrical access locations provided on the unit and Table 4 p 28 for AC conductor sizing guidelines and 1 Use copper conductors unless otherwise specified 2 Ensure that the AC control wiring...

Страница 27: ...PKGP SVX010A EN 27 Figure 20 Low voltage wiring C cabinet Figure 21 Low voltage wiring D cabinet Installation...

Страница 28: ...on the unit Table 5 p 28 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 sig...

Страница 29: ...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 il...

Страница 30: ...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...

Страница 31: ...e 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 utili...

Страница 32: ...e 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 co...

Страница 33: ...ler 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 Precede...

Страница 34: ...ectromechanical 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 cou...

Страница 35: ...e 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 Serv...

Страница 36: ...dures 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 maintenanc...

Страница 37: ...move the access panel from the roof located next to the rear condenser fan 2 Protect all electrical devices such as motors and controllers from any over spray 3 Straighten any bent coil fins with a fi...

Страница 38: ...or additional questions contact Technical Support Annual Maintenance Clean and repaint any corroded surface Final Process For future reference record the unit data below in the blanks provided Table 7...

Страница 39: ...PKGP SVX010A EN 39 Troubleshooting See ACC APG002 EN Application Guide Symbio 700 Controller with Precedent Packaged Rooftop Air Conditioners...

Страница 40: ...l 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 M...

Страница 41: ...ATIC 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 42: ...L 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 LINE...

Страница 43: ...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 THERMOSTA...

Страница 44: ...E SUCTION 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...

Страница 45: ...V 1 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 DISC...

Страница 46: ...ucts 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 O...

Страница 47: ...PKGP SVX010A EN 47 Notes...

Страница 48: ...ormation 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 speci...

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