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Trane Rooftop WSHP Installation and Maintenance Manual

1. 2 2 Jo 47 2138 1432 U 543 MM vi wee N ye i 879 12 WSHP SVX12B EN TRANE Dimensions Figure 3 090 Clearances 72 tons swing diameter for hinged door s option 71 tons power exhaust Note All dimensions are in inches millimeters Note All dimensions are in inches millimeters A x lt E A 21 3 8 432 MM T Ru B43MM l Ooo 1 34 5 8 N 4221 5 8 ene X 879 MM 143 MMe ECONOMIZERHOOD 777 7 tons manual or motorized fresh air damper Note All dimensions are in inches millimeters BAROMETRIC RELIEF HOOD HOOD 3 4 16 3 4 425 MM WSHP SVX12B EN 13 TRANE Dimensions Figure 4 120 Clearances 10 tons exhaust 10 tons swing diameter for hinged door s option Note All dimensions are in inches millimeters Note All dimensions are in inches millimeters 17 13 16 451MM 5518 2 559MM 143 MM 24 Zg 549 MM 10 tons economizer manual or motorized fresh air damper Note All dimensions are in inches millimeters modb lt 2 5 1 1 21 tat gt d t 7 l Pas 77 ECONOMIZER HOOD BAROMETRIC RELIEF HOOD 734 678 198 175 427 304 MM 46 aig 425 MM 14 WSHP SVX12B EN
2. WSHP SVX12B EN 26 1 9 673mm 24 1 8 613mm BACK VIEW 7 27 5 8 702mm 51 NS 7 5 8 194mm WATER IN CONN 25 Dimensions Figure 16 69 1 2 77 1766mm 1956mm 84 3 4 2153mm L _ RETURN OPENING Ip DRAIN CONN 1 NPT 26mm 10 Ton Roofcurb 22 1 4 566mm 1 3 4 45m E 1 3 4 45mm 23 1 4 581mm 28 1 2 724mm 56 THROUGH BASE ELECTRICAL 12 1 2 317mm 10 254 20 7 8 531mm SUPPLY OPENING 1422mm BOTTOM VIEW CSHOWN FROM WATER OUT CONN 11 3 4 3093mm S UNIT CONTROL BLOWER MOTOR COMPRESSOR WIRE 7 8 23mm DIA ACCESS RANEL ACCESS PANEL I 64 a 1626mm 33 1 4 24 1 4 Barn 8 15 16 616mm 227mm lo i 1 Q 2 11 16 6 13 16 5e 1 9 7 5 8 174mm 1422mm SINGLE POINT 26mm a ba 194mm POWER ENTRY SID VIEW WATER IN CONN FRONT VIEW 1 46 1 2 118mm 26 1 2 7 35 8 3 673mm 702mm 99mm e4 1 8 Map 613mm Simm 26 BACK VIEW WSHP SVX12B EN
3. ZSM TERMINAL 1 ZSM ZSM TERMINAL TERMINAL 1 2 KEMUIE REMUIE KEMUIE SENSOR SENSOR SENSOR 1 2 3 REMOTE REMOTE REMOTE SENSOR SENSOR SENSOR 4 5 6 REMOTE REMOTE REMOTE SENSOR SENSOR SENSOR 7 8 9 ZSM TERMINAL 2 1 2 ZSM ZSM TERMINAL TERMINAL 1 2 45 Pre Start Table 8 lists the temperature versus resistance coefficient for all sensors Table 8 Temp vs Resistance Nominal Nominal Degrees Resistance Degrees Resistance F K Ohms F K Ohms 20 170 1 45 22 85 15 143 5 50 19 96 10 121 4 55 17 47 5 103 0 60 15 33 0 87 56 65 13 49 5 74 65 70 11 89 10 63 80 75 10 50 15 54 66 80 9 297 20 46 94 85 8 247 25 40 40 90 7 330 30 34 85 95 6 528 35 30 18 100 5 824 40 26 22 Temperature vs resistance coefficient is negative Voltage Imbalance AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury Three phase electrical power to the unit must meet stringent requirements for the unit to operate properly Measure each leg phase to phase of t
4. e Verify the power supply complies with the unit nameplate specifications e Inspect all control panel components tighten any loose connections Connect 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 e Install proper grounding wires to an earth ground Note field installed wiring must comply with NEC and applicable local codes Electric Heat Requirements e Verify that the power supply complies with the electric heater specifications on the unit and heater nameplate e Inspect the heater junction box and control panel tighten any loose connections Check electric heat circuits for continuity Low Voltage Wiring AC amp DC Requirements e Install the zone thermostat with or without switching subbase Connect properly sized control wiring to the proper termination points between the zone thermostat and the unit control panel Foundation for Rooftop Units If the unit is installed at ground level horizontal design elevate itabovethe snow line Provide concrete footings at each support location with a full perimeter support structure or a slab foundation for support Refer to Table 1 p 28 for the unit s operating and point loading weights when constructing a footing foundation If anchoring is required anchor the unit to the slab using hold down bolts or isolators Isolat
5. Installation Note Resistance in excess of 2 5 ohms per conductor can cause deviations in the accuracy of the controls 2 Ensure that the wiring between controls and the unit s termination point does not exceed two and a half 2 5 ohms conductor for the length of the run 3 notrun the electrical wires transporting DC signals in or around conduit housing high voltage wires 4 Route low voltage wiring per Figure 27 Table 5 conductors zone sensor module wiring Distance from unit to Recommended Wire Control Size 0 150 feet 22 gauge 151 240 feet 20 gauge 241 385 feet 18 gauge 386 610 feet 16 gauge 611 970 feet 14 gauge 37 e TRANE Electrical Requirements Table 6 Electrical perfomance Maximum Blower Blower Fan Minimum Overcurrent Total Comp Comp No of Motor Motor Motor Circuit Protective Model No Unit Volts Unit FLA RLA ea LRA ea Compres FLA HP Num Ampacity Device 208 60 1 24 6 18 6 105 0 1 6 00 0 75 1 29 3 45 230 60 1 24 6 18 6 105 0 1 6 00 0 75 1 29 3 45 208 60 3 18 5 13 5 88 0 1 5 00 1 1 21 9 35 GERE036 230 60 3 18 5 13 5 88 0 1 5 00 1 1 21 9 35 460 60 3 8 9 6 4 39 0 1 2 50 1 1 10 5 15 575 60 3 6 8 5 1 34 0 1 1 70 1 1 8 1 15 208 60 1 30 7 23 1 134 0 1 7 60 1 1 36 5 50 230 60 1 30 7 23 1 134 0 1 7 60 1 1 36 5 50 208 60 3 21 0 16 0 91 0 1 5 00 1 1 25 0 40 GERE048 230 60 3 21 0 16 0 91 0 1 5 00 1 1 25 0 40 460
6. e TRANE Installation Operation and Maintenance Water Source Comfort System Axiom Rooftop Models E and later Design Sequence 60HZ GER 036 048 060 072 090 120 150 180 240 300 ASAFETY 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 August 2013 WSHP SVX12B EN Rand e TRANE Warnings Cautions and Notices Warnings Cautions and Notices Note that warnings cautions and notices appear at appropriate intervals throughout this manual Warnings are provide to alert installing contractors to potential hazards that could result in death or personal injury Cautions are designed to alert personnel to hazardous situations that could result in personal injury while notices indicate a situation that could result in equipment or property damage only accidents Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions Read this manual thoroughly before operating or servicing thi
7. p 31 22 1 4 28 1 2 788mn 566mm 724mm 20 13 16 13 4 e 25 1 4 m 45mm 529mm T 12 5 16 45mm 313mm 10 1 254 23 584mm n 69 1 2 7 1766mm 1956mm 84 3 4 2153mm SUPPLY OPENING Y AT BASE ELECTRICAL RETURN OPENING A E co DRAIN CONN 6 7 8 1 175mm 26mm 26 7 8 683mn 56 1422mm SHOWN FROM TOP 121 3 4 3093mm d UNIT CONTROL MOTOR COMPRESSOR WIRE 7 8 23mm DIA ACCESS RANEL ACCESS PANEL 54 1372mm 33 1 4 8 15 16 227mm 1 2 11 16 6 13 16 n 56 1 69mm 174mm 1422mm SINGLE POINT 26mm L k POWER ENTRY 1 46 1 2 118mm Ly t d 3 ud 9 06 12 0 3 67 5 8 WSHP SVX12B EN 673mm 702mm 99mm 24 1 8 gt 2 613mm Simm BACK VIEW 7 5 8 194mm SIDE VIEW WATER IN CONN 21 Dimensions Figure 12 20 Ton Unit b sie e 22 1 4 28 1 24 788mn 566mm 724mm 20 7 8 23 1 4 la 7 45mm 591mm 530mm 12 1 2 1 3 4 ror ps 4 317mm 1 254 20 7 8 531 69 1 2 77 1766 1956mm 84 3 4 2153mm SUPPLY OPENING T
8. 10 mm oo 7 1 2 4 1 4 191mm 108mm 27 5 8 13 701mm 331mm 47 7 8 1216mm 2 51mm ELECTRICAL CONNECTION SINGLE POINT CONDENSATE DRAIN 3 4 19mm 14 NPT FRONT VIEW SUPPLY OPENING IF CONFIGURATION CONVERTED TO RETURN OPENING IF CONFIGURATION CONVERTED TO HORIZONTAL HORIZONTAL 32 1 4 23 7 8 832mm t LL T oo 3 4 19mm 14 NPT ALTERNATE 37 8 4 3 4 DRAIN CONNECTION 16 3 4 98mm 121mm 425mm 9 3 8 238mm BACK VIEW WSHP SVX12B EN POWER WHEN HEAT INSTALLED UNIT POWER WIRE 1 3 8 35mm DIA HOLE VIEW 17 Dimensions Figure 8 6 Ton Unit 88 5 8 17 1 0 17 NOTE WATER IN OUT FITTING CONN ARE INSIDE THE UNIT BASE HOLE FOR WATER OUT CONN 78 BASE HOLE FOR WATER IN CONN THROUGH THE SUPPLY OPENING BASE ELECTRICAL AS SHIPPED 3 4 53 1 4 RETURN OPENING AS SHIPPED THROUGH THE BASE CONDENSATE DRAIN SERVICE GAUGE PORTACCESS 1 3 8 DIA HOLE TOP VIEW WATER IN CONN 1 NPT WATER OUT CONN 1 NPT UNIT CONTROL WIRI 1 NPTI 7 8 DIA HOLE WATER OUT CONN 15 3 8 1 NPTI WATER IN CONN 18 1 e 7 1 2 11 172 2 ELECTRICAL CONNECTION SINGLE POINT POWER WHEN CONDENSATE DRAIN HEAT INSTALLED 3 47 14 NPT UNIT POWER WI
9. 2 TRANE Dimensions Figure 17 12 1 2 to 25 Ton Roofcurb 24 221 4 P 28 1 2 788mm 566mm 724mm 20 13 16 1 3 4 gt 15 Pee 8s 529mm 12 5 16 1 3 4 1 4 313 1 254 9 20 7 8 531mm I 69 1 2 77 1766mm 85 516 1956mm 2167mm SUPPLY OPENING THROUGH BASE ELECTRICAL 5 3 8 1 RETURN OPENING DRAIN CONN 6 7 8 1 NPT 175mm 26mm 4 7 8 124mm 56 1422mm BOT TOM VIEW WATER OUT CONN CSHOWN FROM TOP 121 3 4 3093mm UNIT CONTROL COMPRESSOR WIRE 7 8 23mm DIA ACCESS PANEL 54 Hi 1372mm 33 1 4 8 15 16 2678 227mm 264mm L R 1 dL 2 11 16 174mm x 7 5 8 1422mm 1 69mm 194 SINGLE POINT 286mm L el mm POWER ENTRY SIDE VIEW WATER IN CONN FRONT VIEW 1 46 1 2 118mm 3 26 1 2 27 5 8 99mm 673mm 702mm 24 1 8 613mm BACK VIEW e Simm WSHP SVX12B EN 27 Dimensions AWARNING Heavy Objects Do not use cables chains or slings except as shown Each of the cables chains or slings used to lift the unit must be capable of supporting the entire weight of the unit Lifting cables chains or slings may not be of the same length Ad
10. 3 Set the small O ring at zero on the force scale of the gauge plunger 4 Placethe large end of the gauge at the center of the belt span then depress the gauge plunger until the large O ring is even with the top of the next belt or even with the straightedge placed across the fan and motor sheaves 5 Remove the belt tension gauge The small O ring now indicates a number other than zero on the plunger s force scale This number represents the force in pounds required to give the needed deflection 6 Compare the force scale reading Step 5 with the appropriate force value listed in Table 10 If the force reading is outside the range readjust the belt tension Note Actual belt deflection force must not exceed the maximum force value shown in Table 10 7 Recheck the belt tension at least twice during the first 2 to 3 days of operation Belt tension may decrease until the new belts are run in 50 Figure 31 Belt tension gauge ws prp BEA gt a BUT i Table 10 Belt tension measurement an deflection ranges Belts Cross Section A B 3 0 3 6 3 4 4 2 Small P D Range 3 8 4 8 4 4 5 6 5 0 7 0 5 8 8 8 3 4 Max 4 5 5 5 Super Gripbelts 5 7 125 Min 4 6 375 Max 5 5 8 75 Min 3 875 5 75 Max 5 5 8 Gripnotch 2m ES Max 6 25 9 125 Min 5 7 375 Max 6 875 10 125 Min 3 25 4 5 Max 4 5 5 Steel Cable Min 3
11. 45 Test Modes 47 Pre Startup Checklist 52 Start PR 53 Initial Unit Start up 53 Water Pressure Drop 54 Maintenance 55 Preventive Maintenance 55 Troubleshooting 56 58 4 WSHP SVX12B EN Model Number Descriptions R E 060 1 1 0 1 1 0 D 0 T 0 A 6 0 e TRANE 0 1 10A 0 B 0 0000000 3 4 567 8 9 10 11 Digits 1 3 Unit Configuration GER High Efficiency Rooftop Digit 4 Development Sequence E Digits 5 7 Nominal Size MBH 036 3Ton 048 4Ton 060 2 5Ton 072 2 6Ton 090 7 1 2Ton 120 10Ton 150 2 12 1 2Ton 180 2 15Ton 240 20Ton 300 25Ton Digit 8 Voltage Volts Hz Phase 1 208 60 1 2 230 60 1 3 208 60 3 4 460 60 3 5 575 60 3 8 230 60 3 Digit 9 Heat Exchanger 1 Copper Water Coil 2 Cupro nickel Water Coil Digit 10 Design Sequence Most Up to Date Design Digit 11 Refrigeration Circuit 0 Heating and Cooling Circuit A Cooling ONLY Circuit Digit 12 Blower Configuration 1 Standard Blower 2 Oversized Blower Motor Digit 13 Freeze Protection A 20 Degree Freezestat B T B 30 Degree Freezestat B T Digit 14 Open Digit 0 Standard Design S Design Special Digit 15 Supply Air Arrangement D Down Flow Supply Air Arrangem
12. AYHHTRM354 112 4 40 5 2 201 5 225 207 6 225 AYDHTRK318 AYHHTRM318 37 5 13 5 1 113 7 125 119 8 125 AYDHTRK336 GERE180 AYHHTRM336 74 9 27 0 2 160 5 175 166 6 175 AYDHTRK354 AYHHTRM354 112 4 40 5 2 207 4 225 213 5 225 AYDHTRL336 AYHHTRN336 74 9 27 0 2 198 3 200 199 2 200 AYDHTRL354 GERE240 AYHHTRN354 112 4 40 5 2 245 2 250 246 1 250 AYDHTRK372 AYHHTRN372 149 9 54 0 2 292 1 300 293 0 300 AYDHTRL336 AYHHTRN336 74 9 27 0 2 205 8 225 AYDHTRL354 GERE300 AYHHTRN354 112 4 40 5 2 252 7 300 AYDHTRK372 AYHHTRN372 149 9 54 0 2 299 6 300 230 Volt Three Phase BAYHTRE306 14 4 6 0 1 39 9 45 GERE036 BAYHTRE312 28 9 12 0 2 58 0 60 BAYHTRE318 41 9 17 4 2 74 3 80 BAYHTRE306 14 4 6 0 1 43 0 50 GERE048 BAYHTRE312 28 9 12 0 2 61 1 70 BAYHTRE318 41 9 17 4 2 77 4 80 BAYHTRE306 14 4 6 0 1 45 6 60 BAYHTRE312 28 9 12 0 2 63 8 70 6 BAYHTRE318 41 9 17 4 2 80 0 80 BAYHTRX323 55 3 23 0 2 96 8 100 BAYHTRW309A 9 0 21 7 1 60 1 70 61 4 70 BAYHTRW318A 18 0 43 3 1 87 1 90 88 4 100 GERE072 BAYHTRW327A 27 0 65 0 2 114 2 125 115 5 125 BAYHTRW336A 36 0 86 6 2 141 3 150 142 6 150 BAYHTRU309A 9 0 21 7 1 61 9 80 67 7 80 BAYHTRU318A 18 0 43 3 1 89 0 100 94 8 100 90 BAYHTRU327A 27 0 65 0 2 116 0 125 121 8 125 BAYHTRU336A 36 0 86 6 2 143 1 150 148 9 150 WSHP SVX12B EN 41 Electrical Requirements Table 7 Electrical Perfomance for units with electric h
13. 3 Phase 36 kW 3 Phase 54 kW 3 Phase gt 22 23 242526 27 28 29 30 36 Digit 23 Unit Mounted Disconnect 0 No Unit Mounted Disconnect 1 Non Fused Disconnect 2 Circuit Breaker Digit 24 FilterType 2 2 Throwaway Filter 4 2 MERV 8 Filter 5 2 MERV 13 Filter Digit 25 Acoustic Arrangement 0 Sound Attenuation Package Digit 26 Factory Configuration 0 Standard Factory Configuration A Hinged Access Panels Digit 27 Paint Color 0 No Paint Selection Available Digit 28 Outside Air Option 0 No Outside Air A Manual Outside Air Damper 0 25 B Motorized Outside Air Damper 0 50 Economizer Dry Bulb 0 100 without Barometric Relief D Economizer Dry Bulb 0 100 with Barometric Relief E Economizer Reference Enthalpy 0 100 without Barometric Relief F Economizer Reference Enthalpy 0 100 with Barometric Relief G Economizer Comparative Enthalpy 0 100 without Barometric Relief H Economizer Comparative Enthalpy 0 100 with Barometric Relief Digit 29 Piping Arrangement 0 Standard Piping Configuration Digits 30 36 Does Not Apply To The Rooftop Product 0000000 Digit 30 36 Does NOT Apply to the Rooftop Products Note Through the base electric is a standard feature on the water source rooftop unit e TRANE General Information Jobsite Inspection Always perform the following checks before accepting a unit
14. ECA if applicable Using Table 9 momentarily jump across the Test 1 and Test 2 terminals on LTB1 one time to start the minimum ventilation test With the fan operating properly determine the total system external static pressure inches w c by 1 Measuring the supply and return duct static pressure 2 Using the accessory pressure drop table in the Service Facts calculate the total static pressure drop for all of the accessories installed on the unit i e curb economizer etc 48 Note Static pressure is based on desired CFM and may not be actual static pressure 3 Add the total accessory static pressure drop Step 2 to the duct external static pressure Step 1 The sum of these two values represents the total system external static pressure AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 4 Measure the amperage atthe supply fan contactor and compare it with the full load amp FLA rating printed on the motor nameplate a Calculate the theoretical BHP Actual Motor Amps x Motor HP Motor
15. alkaline Handle chemical carefully Proper handling should include goggles or face shield chemical resistant gloves boots apron or suit as required For personal safety refer to the cleaning agent manufacturers Materials Safety Data Sheet and follow all recommended safe handling practices Failure to follow all safety instructions could result in death or serious injury It should be noted that the water quality should be checked periodically See Table 15 Table 15 Water quality Scaling Calcium and magnesium total hardness Less than 350 ppm Corrosion pH 7 9 5 Hydrogen Sulfide Less than 1 ppm Sulfates Less than 25 ppm Chlorides Less than 125 ppm Less than 75 ppm Less than 1000 ppm Carbon Dioxide Total dissolved solids TDS Biological Growth Iron Bacteria Low Erosion Suspended Solids Low Note For other maintenance information concerning the GERA unit please read W_C IOM 1 55 e TRANE Troubleshooting AWARNING Hazardous Service Procedures The maintenance and trouble shooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertent
16. o 27 5 8 702mm 24 1 8 e 1 2 613mm Simm BACK VIEW 3 ye 99mm Dimensions Figure 14 3 to 4 Ton Roofcurb CURB SUPPLY OPENING RETURN OPENING 641mm 25 1 4 641mm 40 7 8 1059mm 7 8 gt v 1 3 4 1572mm 45mm 65 3 8 1661mm TDP VIEW RETURN DUCT CONNECTION SUPPLY DUCT CONNECTION 24 WSHP SVX12B EN 2 TRANE Dimensions Figure 15 5 6 and 7 1 2 ton roofcurb 84 3 4 2153mm 4 1 NPT 26mm es 1 3 4 12 4 1 3 4 28 1 2 724mm 788mm 20 13 16 529mm 12 5 16 45mm RETURN OPENING 69 1 2 1766mm THROUGH BASE ELECTRICAL 313mm 10 254mm 23 584mm SUPPLY OPENING DRAIN CONN 26 7 8 683mm 56 1422mm BOTTOM VIEW SHOWN FROM TOP 121 3 4 3093mm 54 1372mm SWER MOTOR COMPRESSOR ACCESS PANEL UNIT CONTROL WIRE 7 8 23mm DIA 33 1 4 WATER OUT CONN 7 26 7 8 684 21 6 13 16 L 5 174mm 6 1422mm SINGLE POINT POWER ENTRY FRONT VIEW 845mm 8 15 16 227mm 2 11 16 69 hk 26mm
17. operating values 2 The exhaust fan will turn on anytime the economizer damper position is equal to or greater than the exhaust fan setpoint 3 Steps for optional accessories and non applicable modes in unit will be skipped Verifying Proper Air Flow Units with DD Indoor Fan Much ofthe systems performance and reliability is closely associated with and dependent upon having the proper airflow supplied both to the space that is being conditioned and across the evaporator coil The fan motor is factory wired to operate on low speed in the cooling and heating mode It can be rewired for high speed operation should the application require it Refer to the wiring diagram on the unit The fan motor is specifically designed to operate within the Blower Horse Power BHP parameters listed in the fan performance tables of the unit Service Facts By understanding that these motors will safely work within these conditions before an oversized motor is required will allow the air distribution system to be set up properly and diagnostics enhanced should a problem occur When verifying direct drive fan performance the tables must be used somewhat differently than those of belt driven fans Fan performance diagnostics can be easily recognized when these tables are used correctly Before starting the SERVICE TEST set the minimum position setpoint for the economizer to 096 using the setpoint potentiometer located on the Economizer Control
18. 60 3 9 6 7 1 46 0 1 2 50 1 1 11 4 15 575 60 3 7 3 5 6 37 0 1 1 70 1 1 8 7 15 208 60 1 35 2 27 6 158 0 1 7 60 1 1 42 1 60 230 60 1 35 2 27 6 158 0 1 7 60 1 1 42 1 60 208 60 3 23 1 18 1 137 0 1 5 00 1 1 27 6 45 GERE060 230 60 3 23 1 18 1 137 0 1 5 00 1 1 27 6 45 460 60 3 11 5 9 0 62 0 1 2 50 1 1 13 8 20 575 60 3 8 5 6 8 50 0 1 1 70 1 1 10 2 15 208 60 3 27 4 22 4 149 0 1 5 00 1 1 33 0 50 230 60 3 27 4 22 4 149 0 1 5 00 1 1 33 0 50 460 60 3 13 1 10 6 75 0 1 2 50 1 1 15 8 25 575 60 3 9 2 7 7 54 0 1 1 50 1 1 11 1 15 GERE072 208 60 3 28 7 22 4 149 0 1 6 30 2 1 34 3 50 230 60 3 28 7 22 4 149 0 1 6 30 2 1 34 3 50 460 60 3 13 7 10 6 75 0 1 3 10 2 1 16 4 25 575 60 3 10 1 7 7 54 0 1 2 40 2 1 12 0 15 208 60 3 28 6 25 0 164 0 1 3 60 1 1 34 9 50 230 60 3 28 6 25 0 164 0 1 3 60 1 1 34 9 50 460 60 3 13 9 12 2 100 0 1 1 70 1 1 17 0 25 575 60 3 10 4 9 0 78 0 1 1 40 1 1 12 7 20 90 208 60 3 34 4 25 0 164 0 1 9 40 3 1 40 7 60 230 60 3 34 4 25 0 164 0 1 9 40 3 1 40 7 60 460 60 3 16 8 12 2 100 0 1 4 60 3 1 19 9 30 575 60 3 12 4 9 0 78 0 1 3 40 3 1 14 7 20 208 60 3 26 6 18 1 137 0 2 8 50 3 6 1 49 2 60 230 60 3 26 6 18 1 137 0 2 8 50 3 6 1 49 2 60 GERE120 460 60 3 13 3 9 0 62 0 2 4 30 3 6 1 24 6 30 575 60 3 11 1 6 8 50 0 2 4 30 3 6 1 19 6 25 38 WSHP SVX12B EN es TRANE Electrical Requirements Table 6 Electrical perfomance Maximum Blower Blower Fan Minimum Overcurrent Total Comp Comp N
19. 75 5 75 Gripbelts Max 4 75 7 25 Min 4 25 7 Max 5 25 8 75 Return Air Smoke Detector The return air smoke detector is designed to shut off the unit if smoke is sensed in the return air stream Sampling the airflow entering the unit at the return air opening performs this function In order for the smoke detector to properly sense smoke in the return air stream the air velocity entering the unit must be between 500 and 4000 feet per minute Equipment covered in this manual will develop an airflow velocity that falls within these limits over the entire airflow range specified in the fan performance tables WSHP SVX12B EN There are certain models however if operated at low airflow will not develop an airflow velocity that falls within the required 500 to 4000 feet per minute range For these models the design airflow shall be greater than or equal to the minimum CFM specified in W_C IOM 1B manual Failure to follow these instructions will prevent the smoke detector from performing its design function Economizer Start Up Using Table 9 p 48 momentarily jump across the Test 1 and Test 2 terminals on LTB1 one time to start the minimum ventilation test 1 Set the minimum position setpoint for the economizer to the required percentage of minimum ventilation using the setpoint potentiometer located on the Economizer Control ECA The economizer will drive to its minimum position setpoint exhaust fans if applicable may start
20. Economizer e Ensure the economizer has been pulled out into the operating position Refer to the economizer installers guide for proper position and setup e Install all access panels Filter Installation Each unit ships with 1 inch filters The quantity of filters is determined by unit size Access to the filters is obtained by removing the fan access panel To modify the unit s filter rack to accept 2 inch filters remove the L shaped angle attachment screws and rotate the angles 90 degrees e Reinstall the screws and insert new filters Refer to the unit Service Facts shipped with each unit for filter requirements Note Do not operate the unit without filters Main Electrical Power Requirements AWARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow code could result in death or serious injury 30 AWARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury
21. Nameplate Amps b Using the fan performance tables in the unit Service Facts plot the total external static pressure Step 3 and the BHP Step 4a to obtain the operating CFM When plotted if the two values can not be interpolated correspondingly the static pressure will most likely be the least accurate measurement Because of the direct drive motor operation the RPM performance is relatively constant making the operating currenta very reliable diagnostic tool Example GEREO60 single phase low speed Actual Motor Amp 5 25 99 Motor Nameplate Amps 5 3 WSHP SVX12B EN 0 99 x Motor HP 0 6 59 BHP The actual external static pressure is approximately 0 45 w c airflow equals 2100 CFM If the static pressure reading was higher motor current would have to be lower proportionately to get an accurate CFM measurement in direct drive applications 5 Ifthe required CFM is too low external static pressure is high causing motor HP output to be below table value a Relieve supply and or return duct static b Change indoor fan speed to HIGH and repeat steps 1 through 4 6 Ifthe required CFM is too high external static pressure is low causing motor HP output to be above table value increase supply and or return duct static 7 To stop the SERVICE TEST turn the main power disconnect switch to the OFF position or proceed to the next component start up procedure Verifying Proper Air Flow Units
22. a condensate drain line to the evaporator drain connection Supply Return Pipe Connect the supply and return line to the water inlet and outlet of the unit On open loop systems an in line strainer or mesh screen should be used to eliminate contaminants from entering the water to refrigerant heat exchanger An isolation valve p t plugs and automatic balancing device are also recommended to separate the closed open loop from the mechanical device 31 TRANE Installation Drain Connection An evaporator condensate drain connection is provided on each unit The condensate drain is factory installed to drain condensate to the back side of the unit It can be converted to drain condensate out of the front of the unit or through the base To convert drain condensate out the front of the unit 1 Remove the evaporator access panel and supply air access panels 2 Remove the support panel that the condensate drain pan exits through 3 Slide the condensate drain pan out of the unit and rotate 180 4 Slide the condensate drain pan back into the unit align the drain with the grommeted opening in the rear support panel and push until the coupling is seated in the grommet 5 Replace the front support panel by aligning the panel with tabs in the raceway Align the condensate drain pan support in the grommeted hole as the panel is put in place 6 Replace the evaporator access panel and the supply air access pa
23. e Verify that the nameplate data matches the data on the sales order and bill of lading including electrical data e Verify that the power supply complies with the unit nameplate specifications e Visually inspect the exterior of the unit for signs of shipping damage Do not sign the bill of lading accepting the unit s until inspection has been completed Check for damage promptly after the unit s are unloaded Once the bill of lading is signed at the jobsite the unit s are now the property of the SOLDTO party and future freight claims MAY NOT be accepted by the freight company e After assuring that charge has been retained reinstall the schrader caps to assure that refrigerant leakage does not occur e After assuring that charge has been retained reinstall the schrader caps to assure that refrigerant leakage does not occur e Verify that the refrigerant charge has been retained during shipment by use of gauges Schrader taps are located internal to the cabinet e After assuring that charge has been retained reinstall the schrader caps to assure that refrigerant leakage does not occur Jobsite Storage Take precautions to prevent condensate from forming inside the unit s electrical compartments and motors if If the unit is stored before it is installed e The unit is set on the roof curb and temporary heat is provided in the building Isolate all side panel service entrances and base pan openings e g cond
24. for each circuit Refer to the refrigerant circuit illustration in the Service Facts 2 Momentarily jump across the Test 1 and Test 2 terminals on the LTB one additional time if continuing from previous component start up or until the desired start up component Test is started 3 Scroll Compressors a Once each compressor has started verify that the rotation is correct If a scroll compressor is rotating backwards it will not pump and a loud rattling sound can be observed AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury b If the electrical phasing is correct before condemning a compressor interchange any two leads at the compressor Terminal block to check the internal phasing Refer to p 47 for phase sequencing Ifthe compressor runs backward for an extended period 15 to 30 minutes the motor winding can overheat and cause the motor winding thermostat to open c Check the compressor oil levels The oil lever in each compressor sight glass should be 1 2 to 3 4 full when they are OFF Note The scroll compr
25. heater compartment Attach it to the heater element mounting plate with the two screws that were removed in step 2 above Connect the two wires that were unhooked in step 2 to the terminals on the newTCO A Refer to the heater package wiring diagram to assure that the wiring is connected properly 4 Close the electric heater dead front panel and replace heat section access panel 33 TRANE Installation Field Installed Power Wiring AWARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow code could result in death or serious injury Verify that the power supply available is compatible with the unit s nameplate The available supply power must be within 10 of the rated voltage stamped on the nameplate Use only copper conductors to connect the power supply to the unit Figure 24 Electrical entrance CONTROL WIRE Ti G3 Ml CA FORT ACCESS Ao CES 3Through 5 Ton UNIT CONTAOL WARE Tir i22 DEA POAT TET OS TT 6 Through 10 Ton Field Installed Control Wiring An overall layout of the various con
26. module that is referred to as a Refrigeration Module RTRM The acronym RTRM is used extensively throughout this document when referring to the control system network These modules through Proportional Integral control algorithms perform specific unit functions that govern unit operation in response to zone temperature supply air temperature and or humidity conditions depending onthe application The stages of capacity control for these units is achieved by starting and stopping the compressors The RTRM is mounted in the control panel and is factory wired to the respective internal components RTRM receives and interprets information from other unit modules sensors remote panels and customer binary contacts to satisfy the applicable request for cooling System Input Devices and Functions The RTRM must have a mode input in order to operate the rooftop unit The flexibility of having several mode capabilities depends upon the type of sensor and or remote panel selected to interface with the RTRM The possibilities are Fan selection ON or AUTO System selection HEAT COOL AUTO and OFF The descriptions ofthe following basic input devices used with the RTRM network are to acquaint the operator with their function as they interface with the various modules Refer to the unit s electrical schematic for the specific module connections Compressor Disable CPR1 2 This input incorporates the low LPC of each refrigeration circuit a
27. the fan control to AUTO The compressor should NOT run 3 Reduce the thermostat setting until the compressor reversing valve solenoid valve and loop pump are energized Adjust water flow utilizing pressure temperature plugs and comparing to tables contained in specification sheet data Water leaving the heat exchanger should be warmer than the entering water temperature approximately 9 F 12 F blower operation should be smooth compressor and blower amps should be within data plate ratings the suction line should be cool with no frost observed in the refrigerant circuit Check the cooling refrigerant pressures 5 Turn the thermostat system switch to the OFF position Unit should stop running and the reversing valve should de energize 6 Leaveunit off for approximately FIVE minutes to allow for pressure equalization Turn the thermostat to the lowest setting Setthe thermostat system switch to the HEAT position Adjust the temperature setting upward until the unit is energized Warm air should blow from the register A watertemperature decrease of approximately 5 F to 9 F leaving the heat exchanger should be noted The blower and compressor operation should be smooth with no frost observed in the refrigeration circuit 10 Check the heating refrigerant pressures 11 Set the thermostat to maintain the desired space temperature 12 Instruct the owner on system operation 53 Water Pressure Drop Table 11
28. the necessary gaskets and hardware e Verify that the proposed installation location provides the required clearance for proper unit operation e Insure that the curb is level and square The top surface of the curb must be true to assure an adequate curb to unit seal Step by step curb assembly and installation instructions ship with each accessory roof curb kit Follow the instructions carefully to assure proper fit up when the unit is set into place To assure proper condensate flow during operation the unit and curb must be level If the unit is elevated a field constructed 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 are included in the curb instruction booklet See dimensional data on pages 17 through 20 for roof curb sizing WSHP SVX12B EN result in death or serious injury and property damage TRANE Installation Note For sound consideration cut only the holes in the roof deck for the duct work penetrations Do not cut out the entire roof deck within the curb perimeter If Curb Accessory Kit is not used The duct work can be attached directly to the factory provided flanges around the unit s supply and return air openings Be sure to use flexible duct connections at the unit For built up curbs supplied by others gaskets must be installed around t
29. this measurement is reduced t 187 457 MM to minimize duct e extensions 2 When equipped with economizer or barometric relief damper clearance distance is to be measured from protruding hood instead of base 3 Clearance is the same if any unit is rotated 180 4 Additional clearance required when barometric damper or economizer is installed 10 WSHP SVX12B EN 2 TRANE Dimensions Figure 1 036 to 048 Clearances 3 4 tons economizer manual or 3 4 tons swing diameter for hinged motorized fresh air damper door s option Note All dimensions are in inches millimeters Note All dimensions are in inches millimeters 16 406 MM 22 1 4 448 565 3 4 tons economizer amp barometric relief damper hood Note All dimensions are in inches millimeters 9 1 8 7232 MM WSHP SVX12B EN Dimensions Figure 2 060 to 072 Clearances 5 6 tons economizer manual or motorized fresh air damper Note All dimensions are in inches millimeters ECONOMIZER HOOD 5 6 tons swing diameter for hinged door s option Note All dimensions are in inches millimeters
30. with Belt Drive Fan Much of the systems performance and reliability is closely associated with and dependent upon having the proper airflow supplied both to the space that is being conditioned and across the evaporator coil The fan speed is changed by opening or closing the adjustable motor sheave Before starting the SERVICETEST set the minimum position setpoint for the economizer to 0 using the setpoint potentiometer located on the Economizer Control ECA if applicable Using Table 9 p 48 momentarily jump across the Test 1 and Test 2 terminals on LTB1 one time to start the minimum ventilation test AWARNING Rotating Components During installation testing servicing and troubleshooting of this product it may be necessary to measure the speed of rotating components Have a qualified or licensed service individual who has been properly trained in handling exposed rotating components perform these tasks Failure to follow all safety precautions when exposed to rotating components could result in death or serious injury Once the supply fan has started check for proper rotation The direction of rotation is indicated by an arrow on the fan housing With the fan operating properly determine the total system airflow CFM by 1 Measuring the actual RPM WSHP SVX12B EN 2 TRANE Pre Start AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this pro
31. zone sensor allows selection of 2 3 and 4 system modes HEAT COOL AUTO and OFF two fan modes ON and AUTO It has dual temperature selection with programmable start time capability The occupied cooling setpoint ranges between 45 and 98 degrees F The heating setpoint ranges between 43 and 96 degrees A liquid crystal display LCD displays zone temperature temperature set points day of the week time and operational mode symbols The option menu is used to enable or disable applicable functions i e morning warm up economizer minimum position override during unoccupied status fahrenheit or centigrade supply air tempering remote zone temperature sensor 12 24 hour time display smart fan and computed recovery During an occupied period an auxiliary relay rated for 1 25 amps at 30 volts AC with one set of single pole double throw contacts is activated Remote Zone Sensor BAYSENSO13C This electronic sensor features remote zone sensing and timed override with override cancellation It is used with a Trane Integrated ComfortTM building management system Remote Zone Sensor 5 5014 This electronic sensor features single setpoint capability and timed override with override cancellation It is used with aTrane Integrated ComfortTM building management system WSHP SVX12B EN Remote Zone Sensor 5 16 This bullet type temperature sensor can be used for outside air ambient sensin
32. 2 TRANE Dimensions Figure 5 150 300 Clearances Fresh Air Hood Horizontal Units Fresh Air Hood Downflow Units Power Exhaust Downflow Economizers Power Exhaust Downflow Economizers Side View EGUNON ONLY END PANE WEW POWER EXHALGT wih DOWNFLOW ECONCMIUERS onty ADE Economizer Horizontal Units Economizer Downflow Units When applying economizer to horizontal units connected ductwork must be run full size to allow proper operation of economizer damper Power Exhaust Dimensions Unit Model B C GERE150 240 19 6434 39 WSHP SVX12B EN 15 Dimensions Figure 6 4 Unit NOTE WATER IN OUT FITTING CONN 69 7 8 1755 mm ARE INSIDE THE UNIT 7 BASE HOLE FOR 3 5 8 14 be is 92mm 356mm 394mm 178mm WATER OUT CONN 9 1 4 4 102mm 235mm 7 4 178mm 102mm 16 407 24 610mm BASE HOLE FOR WATER IN CONN 44 1 4 1124mm THROUGH THE aya S PBLVDPENNG BASE ELECTRICAL 108mm AS SHIPPED 2 3 4 RETURN OPENING 70mm AS SHIPPED m La ys FRONT OF UNIT 23 1 2 gt 4 7 8 343mm 124mm THROUGH THE BASE 875 23mm CONDENSATE DRAIN WATER OUT CONN 1 26mm io e UNIT CONTROL WIRE SERVICE GAUGE PORTACCESS 284mm 7 8 23mm DIA HOLE 1 3 8 35mm DIA HOLE WATER IN CONN 1 26mm 3
33. 20 EPC MINE FEMALE 2 k Y ae I N y CLIANOUT Horizontal Discharge Conversion Units are factory shipped in the downflow discharge configuration but can be field converted to a horizontal discharge configuration Some but not all units require a different thermal cut out limit switch which is wire tied near the terminal block in the heater compartment if the horizontal discharge configuration is used The following units require a limit switch change out for the horizontal discharge The additional limit switch is shipped attached to the blower housing If any of the units listed in the following list are installed in the downflow discharge configuration remove the wire tied TCO A located near the terminal block in the heater compartment and discard Conversion 3 through 5 Ton Units To convert a unit from down flow to horizontal discharge 1 Remove the return and supply duct covers 2 Apply gasket to the supply duct cover as shown in Figure 21 p 32 Figure 21 Gasket Installation SUPPLY AIR DUCT COVER WSHP SVX12B EN 3 Position duct covers Rotate the supply duct cover 90 degrees to allow it to be slid into the supply opening Figure 22 Duct cover with gasket installed TN L E gt SUPPLY DUCT COVER WITH GASKET INSTALLED Note If the unit is equippe
34. 36 0 2 64 9 70 67 1 70 AYHMTRMWSA _ 82 0 54 0 Mit id ii 2 AYHHTRMWiS 173 18 0 1 552 Z ind _ GERE180 34 6 36 0 2 70 3 80 72 5 80 GERE240 54 52 0 54 0 2 105 8 110 106 7 110 AVHHTRNW 2 69 3 qno i E E E GERE300 NIRE 52 0 54 0 2 108 7 110 ARIN 72 0 2 130 3 m E 44 WSHP SVX12B EN Pre Start Space Temperature Averaging Space temperature averaging is accomplished by wiring a number of remote sensors in a series parallel circuit Using the BAYSENS016 5 5017 at least four sensors are required to accomplish space temperature averaging Figure 28 Example 1 ZSM REMOTE SENSORS Example 2 illustrates three sensors squared in a series parallel circuit Using BAYSENS032 two sensors required to accomplish space temperature averaging Figure 29 Example 2 ZSM REMOTE SENSORS 1 2 3 ro O4 to o 2 41 2 2 o 4 4 5 6 7 8 9 o H H o 1 1 1 Example illustrates the circuit required for this sensor Figure 30 Example 3 ZSM REMOTE SENSORS WSHP SVX12B EN e TRANE Example 1 illustrates two series circuits with two sensors in each circuit wired in parallel The square of any number of remote sensors require REMOTE SENSOR REMOTE SENSOR REMOTE SENSOR 3 REMOTE SENSOR
35. 6 1 4 18 3 8 20 1 4 769 467 515mm mm mm oo 1 T Lo oo T Lo 41 4 6 3 4 108mm 23 5 8 16 172mm 600mm 407mm 5 7 8 4 1 4 150mm dd 2 51mm ELECTRICAL 198 7 7 8 CONNECTION SINGLE POINT 5 5 8 200mm 143mm CONDENSATE DRAIN POWER WHEN HEAT INSTALLED UNIT POWER WIRE 3 4 19mm 14 NPT 7 5 8 1 1 8 29mm DIA HOLE 194mm SUPPLY OPENING RETURN OPENING IF CONFIGURATION IF CONFIGURATION CONVERTED TO CONVERTED TO HORIZONTAL HORIZONTAL 31 4 4 3 4 3 4 19mm 14 NPT ALTERNATE 83mm 121mm DRAIN CONNECTION 1350 4 337mm 8 7 8 226mm BACK VIEW 16 WSHP SVX12B EN TRANE Dimensions Figure 7 5 Ton Unit Es NOTE WATER IN OUT FITTING CONN 2252mm ARE INSIDE THE UNI 7 1 2 Ll 17 1 2 1 8 BASE HOLE FOR Fi 445mm 445mm 204mm WATER OUT CONN 3 9 7 8 102mm 251mm 7 1 2 4 la 191mm 102mm 32 1 2 33 Bienen 838mm BASE HOLE FOR WATER IN CONN 53 1 4 Timm THROUGH THE 4 1 8 BASE ELECTRICAL 104mm SUPPLY OPENING 2 xn RETURN OPENING AS SNIPRED 71mm AS SHIPPED E 3 4 127mm 96mm 27 5 8 5 7 8 FRONT OF UNIT 701mm 149mm THROUGH THE BASE 875 23mm CONDENSATE DRAM UNIT CONTROL WIRE SERVICE GAUGE PORTACCESS T D P V I W 7 8 23mm DIA HOLE 1 3 8 35mm DIA HOLE WATER IN amp OUT CONN 1 26mm 40 7 8 18 1 2 470 1039
36. Electrical Requirements Table 7 Electrical Perfomance for units with electric heat single point connection Standard Indoor Motor Oversized Indoor Motor Mimimum Max Mimimum Max Unit Model Heater Model Electric Heat Electric Heat Control Circuit Overcurrent Circuit Overcurren Number Number Amps kW Stages Ampacity Protection Ampacity t Protection 208 Volt Single Phase BAYHTRE105 18 3 3 8 1 52 1 60 GERE036 BAYHTRE110 36 1 7 5 2 74 4 80 BAYHTRE114 50 0 10 4 2 91 8 100 BAYHTRE105 18 3 3 8 1 59 4 70 110 36 1 7 5 2 81 6 90 GERE048 BAYHTRE114 50 0 10 4 2 99 0 100 118 63 5 13 2 2 115 9 125 EX BAYHTRE105 18 3 3 8 1 65 0 80 BAYHTRE110 36 1 7 5 2 87 2 100 GERE060 BAYHTRE114 50 0 10 4 2 104 6 110 d BAYHTRE118 63 5 13 2 2 121 5 125 230 Volt Single Phase BAYHTRE105 20 8 5 0 1 55 3 60 GERE036 BAYHTRE110 41 7 10 0 2 81 4 90 BAYHTRE114 57 5 13 8 2 101 1 110 BAYHTRE105 20 8 5 0 1 62 5 80 110 41 7 10 0 2 88 6 100 GERE048 BAYHTRE114 57 5 13 8 2 108 4 110 118 73 3 17 6 2 128 1 150 d BAYHTRE105 20 8 5 0 1 68 1 90 110 41 7 10 0 2 94 2 110 6 BAYHTRE114 57 5 13 8 2 114 0 125 118 73 3 17 6 2 133 7 150 208 Volt Three Phase BAYHTRE306 12 5 4 5 1 37 5 45 GERE036 BA
37. HROUGH BASE ELECTRICAL RETURN OPENING E rr LI DRAIN CONN 6 7 8 1 NPT 175mm 26mm 26 7 amp 683mm 56 1422mm SHOWN FROM TOP WATER OUT CONN 121 3 4 3093mm UNIT CONTROL COMPRESSOR WIRE 7 8 23mm DIA ACCESS PANEL 64 1626mm 33 1 4 24 1 4 Ms 8 15 16 616mm 4 227mm Y 6 Ra 21 16 sss UQ 69 7 5 8 174mm 1422mm SINGLE POINT pap POWER ENTRY SIDE VIEW WATER IN CONN 1 4 46 1 2 118mm 26 1 27 3 dl 673mm 99mm 24 1 8 613mm Simm 22 BACK VI EW WSHP SVX12B EN 2 TRANE Dimensions Figure 13 25 Ton Unit 31 l 28 1 2 788mm mm 20 13 16 1 3 4 23 1 4 152 4 8 12 5 16 1 3 4 45mm 4 313mm T 10 1 254 20 7 8 531 69 1 2 1766mm 85 5 16 2167mm SUPPLY OPENING THROUGH BASE ELECTRICAL 5 3 8 157mm o RETURN OPENING COT DRAIN UNT 6 7 8 1 175mm 26mm 4 7 8 124mm ACCESS PANEL FRONT VIEW SINGLE POINT POWER ENTRY UNIT CONTROL COMPRESSOR WIRE 7 8 23mm DIA t WATER OUT CONN 8 15 16 26 78 227mm 264mm 1 2 11 16 UA 7 5 8 194mm SIDE VIEW WATER IN CONN WSHP SVX12B EN
38. HTRE406 7 2 6 0 1 22 8 25 BAYHTRE412 14 4 12 0 2 31 8 35 6 BAYHTRE418 20 9 17 4 2 39 9 40 BAYHTRX423 27 7 23 0 2 48 4 50 BAYHTRW409A 9 0 10 8 1 29 3 35 29 9 35 BAYHTRW418A 18 0 21 7 1 42 8 45 43 4 45 GERE072 BAYHTRW427A 27 0 32 5 2 56 3 60 56 9 60 BAYHTRW436A 36 0 43 3 2 69 9 70 70 5 80 BAYHTRU409A 9 0 10 8 1 30 5 35 33 4 40 BAYHTRU418A 18 0 21 7 1 44 0 50 46 9 50 90 BAYHTRU427A 27 0 32 5 2 57 5 60 60 4 70 BAYHTRU436A 36 0 43 3 2 71 1 80 74 0 80 42 WSHP SVX12B EN es TRANE Electrical Requirements Table 7 Electrical Perfomance for units with electric heat single point connection Standard Indoor Motor Oversized Indoor Motor Mimimum Max Mimimum Max Unit Model Heater Model Electric Heat Electric Heat Control Circuit Overcurrent Circuit Overcurren Number Number Amps kW Stages Ampacity Protection Ampacity t Protection BAYHTRB418A 18 0 21 7 1 51 6 60 BAYHTRB427A 27 0 32 5 2 65 1 70 GERE120 BAYHTRB436A 36 0 43 3 2 78 7 80 BAYHTRB454A 54 0 65 0 2 105 7 110 AYDHTRK418 AYHHTRM418 21 7 18 0 1 55 8 60 58 6 60 AYDHTRK436 GERE150 AYHHTRP436 43 3 36 0 2 82 8 90 85 6 90 AYDHTRK454 AYHHTRM454 65 0 54 0 2 109 9 110 112 7 125 AYDHTRK418 AYHHTRM418 21 7 18 0 1 60 1 70 62 9 70 AYDHTRK436 GERE180 AYHHTRP436 43 3 36 0 2 87 1 90 89 9 90 AYDHTRK454 AYHHTRM454 65 0 54 0 2 114 2 125 117 0 125 AYDHTRL436 AYHHT
39. NIT DRAIN CONNECTION 19 174 3 7 8 BACK VIEW WSHP SVX12B EN SIDE VIEW TRANE Dimensions Figure 10 10 Ton Unit 99 3 4 17 1 2 17 1 2 9 7 84 BASE HOLE FOR NOTE WATER IN OUT FITTING CONN WATER OUT CONN ARE INSIDE THE UNIT BASE HOLE FOR WATER IN CONN THROUGH THE BASE ELECTRICAL 3 4 93 1 4 SUPPLY OPENING AS SHIPPED RETURN OPENING AS SHIPPED 5 7 8 THROUGH THE BASE 7 8 CONDENSATE DRAIN TOP VIEW UNIT CONTROL WIRE WATER OUT CONN 7 8 DIA HOLE WATER 1 25 SERVICE GAUGE PORTACCESS 1 3 8 DIA HOLE ATER OUT CONN ATER IN CONN 50 875 18 7 8 I QI 4 1 4 16 875 2 ELECTRICAL CONNECTION SINGLE POINT 1729 POWER WHEN HEAT INSTALLED CONDENSATE DRAIN 3 4 14 NPT FRONT VIEW BIDEN VIEW SUPPLY OPENING RETURN OPENING IF CONFIGURATION IF CONFIGURATION CONVERTED TO CONVERTED TO HORIZONTAL HORIZONTAL 32 1 4 3 4 14 ALTERNA BACK OF UNIT DRAIN CONNECTION BACK VIEW 20 WSHP SVX12B EN 2 TRANE Dimensions Figure 11 12 1 2 and 15 Ton Unit WATER OUT CONN T 26 7 8 684
40. RE 1 3 8 DIA HOLE FRONT VIEW eee SUPPLY OPENING RETURN OPENING IF CONFIGURATION IF CONFIGURATION CONVERTED TO CONVERTED TO HORIZONTAL HORIZONTAL 32 1 4 4 3 4 BACK DF UNIT 3 4 14 NPT ALTERNATE DRAIN CONNECTION gt 19 1 4 3 7 8 BACK VIEW 18 WSHP SVX12B EN TRANE Dimensions Figure 9 7 1 2 Ton Unit 88 5 8 17 1 2 7 17 9 7 8 BASE HOLE FOR WATER OUT CONN 3e 1 8 BASE HOLE FOR WATER IN CONN THROUGH THE BASE ELECTRICAL i 3 4 5 1 4 SUPPLY OPENING AS SHIPPED RETURN OPENING AS SHIPPED THROUGH THE BASE 7 8 CONDENSATE DRAIN TDP VIEW 1 NPTI UNIT CONTROL WIRE NOTE WATER IN OUT FITTING CONN ARE INSIDE THE UNIT SERVICE GAUGE PORTACCESS 1 3 8 DIA HOLE WATER IN CONN WATER OUT CONN 1 NPT WATER OUT CONN F 22 625 gt 7 8 DIA HOLE 17375 1 NPTI WATER IN CONN 46 7 8 17 3 8 1 oo L 31 5 3 4 4 1 4 27 5 8 47 7 8 2 ELECTRICAL CONNECTION SINGLE POINT CONDENSATE DRAIN POWER WHEN HEAT INSTALLED UNIT POWER WIRE 1 3 8 DIA HOLE 3 4 14 NPT FRONT VIEW SUPPLY OPENING IF CONFIGURATION CONVERTED TO HORIZONTAL RETURN OPENING IF CONFIGURATION CONVERTED TO HORIZONTAL 3e 1 4 4 3 4 3 4 14 NPT ALTERNATE BACK OF U
41. RN436 43 3 36 0 2 100 7 110 101 7 110 AYDHTRL454 GERE240 AYHHTRN454 65 0 54 0 2 127 8 150 128 8 150 AYDHTRK472 AYHHTRN472 86 6 72 0 2 154 8 175 155 8 175 AYDHTRL436 AYHHTRN436 43 3 36 0 2 107 0 110 AYDHTRL454 GERE300 AYHHTRN454 65 0 54 0 2 134 1 150 AYDHTRK472 AYHHTRN472 86 6 72 0 2 161 1 175 575 Volt Three Phase BAYHTREWO6 5 8 6 0 1 15 3 20 GERE036 BAYHTREW12 11 5 12 0 2 22 5 25 BAYHTREW18 16 7 17 4 2 29 0 30 BAYHTREWO6 5 8 6 0 1 16 0 20 GERE048 BAYHTREW12 11 5 12 0 2 23 1 25 BAYHTREW18 16 7 17 4 2 29 6 30 BAYHTREWO6 5 8 6 0 1 17 5 20 BAYHTREW12 11 5 12 0 2 24 6 25 6 BAYHTREW18 16 7 17 4 2 31 1 35 BAYHTRXW23 22 1 23 0 2 37 8 40 BAYHTRWW18A 18 0 17 3 1 32 8 35 33 7 35 GERE072 BAYHTRWW27A 27 0 26 0 2 43 6 45 44 5 45 BAYHTRWW36A 36 0 34 6 2 54 4 60 55 3 60 BAYHTRUW18A 18 0 17 3 1 34 3 35 36 3 40 GERE090 BAYHTRUW27A 27 0 26 0 2 45 1 50 47 1 50 BAYHTRUW36A 36 0 34 6 2 56 0 60 58 0 60 BAYHTRBW18A 18 0 17 3 1 41 2 45 120 BAYHTRBW36A 36 0 34 6 2 62 9 70 BAYHTRBW54A 54 0 52 0 2 84 6 90 WSHP SVX12B EN 43 Electrical Requirements Table 7 Electrical Perfomance for units with electric heat single point connection Standard Indoor Motor Oversized Indoor Motor Mimimum Max Mimimum Max Unit Model Heater Model Electric Heat Electric Heat Control Circuit Overcurrent Circuit Overcurren GERE150 We 34 6
42. YHTRE312 25 0 9 0 2 53 1 60 BAYHTRE318 36 4 13 1 2 67 4 70 BAYHTRE306 12 5 4 5 1 40 6 50 GERE048 BAYHTRE312 25 0 9 0 2 56 3 60 BAYHTRE318 36 4 13 1 2 70 5 80 BAYHTRE306 12 5 4 5 1 43 3 50 BAYHTRE312 25 0 9 0 2 58 9 70 GERE060 BAYHTRE318 36 4 13 1 2 73 1 80 BAYHTRX323 48 0 17 3 2 87 6 90 BAYHTRW309A 6 8 18 9 1 56 6 70 57 9 70 BAYHTRW318A 13 5 37 5 1 79 9 90 81 2 90 72 BAYHTRW327A 20 3 56 3 2 103 4 110 104 7 110 BAYHTRW336A 27 0 74 9 2 126 6 150 127 9 150 BAYHTRU309A 6 8 18 9 1 58 4 70 64 2 80 BAYHTRU318A 13 5 37 5 1 81 7 90 87 5 100 90 BAYHTRU327A 20 3 56 3 2 105 3 110 111 1 125 BAYHTRU336A 27 0 74 9 2 128 5 150 134 3 150 40 WSHP SVX12B EN es TRANE Electrical Requirements Table 7 Electrical Perfomance for units with electric heat single point connection Standard Indoor Motor Oversized Indoor Motor Mimimum Max Mimimum Max Unit Model Heater Model Electric Heat Electric Heat Control Circuit Overcurrent Circuit Overcurren Number Number Amps kW Stages Ampacity Protection Ampacity t Protection BAYHTRB318A 13 5 37 5 1 96 1 100 BAYHTRB327A 20 3 56 3 2 119 7 125 GERE120 BAYHTRB336A 27 0 74 9 2 142 9 150 BAYHTRB354A 40 6 112 7 2 190 1 200 AYDHTRK318 AYHHTRM318 37 5 13 5 1 107 9 110 114 0 125 AYDHTRK336 GERE150 AYHHTRM336 74 9 27 0 2 154 6 175 160 7 175 AYDHTRK354
43. ach duct cover with two screws Note If unit should include a limit switch change out proceed to the TCO A instruction sheet on this page TCO A Instructions If the unit being installed is listed in the following table and is equipped with the corresponding model number of factory installed electric heater package in the table the limit control TCO A must be replace with the extra limit control shipped in the heater compartment Replace TCO A following the instruction in steps 1 through 4 If the unit being installed does not have a factory installed electric heater package or is equipped with a factory installed electric heater model that does not correspond to models listed below skip steps 1 through 4 and go on to the next step in the installation process Note See Table 7 p 40 for electric heater kit part s and equipment models 1 Remove the heater section access panel and open the electric heater front panel 2 TCO A is the limit control located in the central part of the heater mounting plate and that is located on the bottom of the two heater element assemblies To replace this device first remove the two wires connected to the terminals Next remove the two screws which secure itto the heater element mounting plate OnceTCO A has been removed from the heater element mounting plate discard this device 3 Obtain the replacementTCO A which is secured by a wire tie near the electric heater terminal block in the
44. and Table 12 should be used to define feet of head pressure drop Please note the feet of pressure ft head provided is at ARI ISO standard Note To calculate feet of head when using gauges that read in PSIG multiply PSI by 2 31 Table 11 Cooling water pressure drops WPD in feet of head Unit Size EWTF GPM Ft Pressure 036 86 9 0 11 0 048 86 12 0 9 0 060 86 15 0 13 3 072 86 18 0 11 4 090 86 22 5 12 1 120 86 30 0 15 2 150 86 37 5 13 7 180 86 45 19 3 240 86 60 13 2 300 86 75 13 1 Table 12 Heating water pressure drops WPD in feet of head Unit Size EWTF GPM Ft Pressure 036 68 9 0 12 0 048 68 12 0 9 7 060 68 15 0 14 3 072 68 18 0 12 3 090 68 22 5 13 1 120 68 30 0 16 4 150 68 37 5 14 8 180 68 45 20 8 240 68 60 14 3 Table 13 Water volume Water Side Water Side Volume Cubic Volume Cubic Water Side Unit Size In Ft Volume Gallons 036 76 044 329 048 171 099 74 060 171 099 74 072 259 15 1 121 090 210 122 910 120 342 198 1 48 150 508 296 2 201 180 508 2 96 2 201 240 779 453 3 374 300 1057 615 4 576 54 WSHP SVX12B EN Maintenance Preventive Maintenance Maintenance on the unit is simplified with the following preventive suggestions Filter maintenance must be performed to assure proper operation of the equipment Filters should be inspected at least every three months and replaced when it is evident they are dirty Filter s
45. at random and the supply fan will start when the SERVICE TEST is initiated AWARNING Unexpected Fan Start Up The supply fan will start when Service Test is initiated and the exhaust fan may start at random The exhaust fan will start anytime the economizer damper position is equal to or greater than the exhaust fan setpoint Leave all access panels and guards to fan sections in place when performing minimum ventilation test Failure to follow proper procedure could result in death or serious injury The exhaust fan will start anytime the economizer damper position is equal to or greater than the exhaust fan setpoint 2 Verify that the dampers stroked to the minimum position 3 Verify ambient sesor has been mouted into inside corner post grommet ReliaTel Control 1 Momentarily jump across the Test 1 and Test 2 terminals on LTB1 one additional time if continuing from previous component start up or until the desired start up component test is started 2 Verify that the dampers stroked to the full open position 3 To stop the SERVICE TEST turn the main power disconnect switch to the OFF position or proceed to the next component start up procedure Compressor Start Up Using the service test guide in Table 9 p 48 continue the SERVICE TEST start up procedure for each compressor circuit WSHP SVX12B EN 2 TRANE Pre Start 1 Attach a set of service gauges onto the suction and discharge gauge ports
46. cold Raise water temperature WSHP SVX12B EN 57 e TRANE Warranty Standard Warranty The standard water source heat pump warranty isTrane parts only warranty running 12 months from startup not to exceed 18 months from shipment Extended Warranty The optional extended warranty is a second through fifth year warranty The time starts at the end of the standard 1 year coverage through the fifth year These extended warranties apply only to new equipment installed in domestic Trane Commercial Systems Group sales territories and must be ordered prior to start up 58 WSHP SVX12B EN S TRANE Trane optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments Trane offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice 2013Trane All rights reserved WSHP SVX12B EN 01 Aug 2013 We are committed to using environmentally Supersedes WSHP SVX12A EN 30 Apr 2012 conscious print practices that reduce waste ingerson Rand
47. d es rJ UT a o Hoi Installation Figure 26 e TRANE WSHP SVX12B EN 36 Controls Using 24 VAC Before installing any wire refer to the electrical access locations in Figure 24 p 34 1 Use copper conductors unless otherwise specified 2 Ensurethatthe AC control wiring between the controls and the unit s termination point does not exceed three 3 ohms conductor for the length of the run Note Resistance in excess of 3 ohms per conductor may cause component failure due to insufficient AC voltage supply 3 Check all loads and conductors for grounds shorts and mis wiring 4 Do not run the AC low voltage wiring in the same conduit with the high voltage power wiring 5 Route low voltage wire per Figure 27 below Figure 27 Wire Routing L4 OUI Table 4 24V AC conductors Distance from unit Recommended Wire to Control Size 000 460 feet 18 gauge 461 732 feet 16 gauge 733 1000 feet 14 gauge Controls using DC Analog Input Outputs Standard Low Voltage Multi conductor Wire Before installing any connecting wire between the unit utilizing a DC analog input output signal refer to Figure 24 p 34 for electrical access locations provided on the unit 1 Review Table 5 it 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 signal to the unit WSHP SVX12B EN TRANE
48. d with a return air smoke detector refer to the field conversion for horizontal discharge before installing the return air duct cover 4 Slide the duct covers into the duct openings until the end ward edge of the duct cover engages with the two retaining clips on the duct flanges Secure the outward edge of each duct cover with two screws Note lf unit should include a limit switch change out proceed to the TCO A instruction sheet on Instructions p 33 Figure 23 Installing duct cover EDGE OF DUCT COVER GOES RETARNINC ANLE SUPPLY DUCT COVER ee WITH GASKET INSTALLED RETURN COVER Conversion 6 through 10 Ton Units To convert a unit from down flow to horizontal discharge 1 Remove the return and supply duct covers 2 Apply gasket to the return duct cover as shown in Figure 22 3 Position the duct covers as shown below The supply duct cover is installed over the down flow return opening by engaging one side of the panel under a WSHP SVX12B EN TRANE Installation retaining angle and securing the other side with three screws Note If the unit is equipped with a return air smoke detector refer to the field conversion for horizontal discharge before installing the return air duct cover 4 Slide return duct cover into supply openings until end ward edge of the duct cover engages with the two retaining clips on the duct flanges Secure the outward edge of e
49. duct it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 2 Measure the amperage at the supply fan contactor and compare it with the full load amp FLA rating printed on the motor nameplate a Calculate the theoretical BHP Actual Motor Amps x Motor HP Motor Nameplate Amps b Using the fan performance tables in the unit Service Facts plot the total external static pressure Step 1 and the BHP Step 2 to obtain the operating CFM 3 Ifthe required CFM is too low external static pressure is high causing motor HP output to be below table value a Relieve supply and or return duct static b Change fan speed and repeat steps 1 and 2 4 To increase fan RPM Loosen the pulley adjustment set screw and turn sheave clockwise 5 decrease fan RPM Loosen the pulley adjustment set screw ant turn sheave counterclockwise 6 If the required CFM is too high external static pressure is low causing motor HP output to be above table value change fan speed and repeat steps 1 and 2 7 stop the SERVICE TEST turn the main power disconnect switch to the OFF position or proceed to the next component start up procedure Fan Bel
50. e heater contactor 2 Momentarily jump across the Test 1 and Test 2 terminals on LTB one additional time if continuing from previous component start up or until the desired start up component test is started 3 Verify that the heater stage is operating properly Clamp an amp meter around one of the two stage heater power wires at the heater contactor if applicable 5 Momentarily jump across the test 1 and test 2 terminals on LTB one additional time if continuing from previous component start up or until the desired start up component test is started 6 Verify that the heater stage is operating properly To stop the SERVICE TEST turn the main power disconnect switch to the OFF position or proceed to the next component start up procedure Pre Startup Checklist Before energizing the unit the following system devices must be checked Check all electrical connections for tightness and point of termination accuracy Is the high voltage power supply correct and accordance with the nameplate ratings e Is phasing of the unit correct per compressor rotation e 15 the field wiring and circuit protection the correct size Is the low voltage control circuit wiring correct per the unit wiring diagram 15 the piping system clean complete and correct A recommendation of all system flushing of debris from the water to refrigerant heat exchanger along with air purging from the water to refrigerant heat exc
51. eat single point connection Standard Indoor Motor Oversized Indoor Motor Mimimum Max Mimimum Max Unit Model Heater Model Electric Heat Electric Heat Control Circuit Overcurrent Circuit Overcurren Number Number Amps kW Stages Ampacity Protection Ampacity t Protection BAYHTRB318A 18 0 43 3 1 103 4 110 BAYHTRB327A 27 0 65 0 2 130 4 150 GERE120 BAYHTRB336A 36 0 86 6 2 157 5 175 BAYHTRB354A 54 0 129 9 2 211 6 225 AYDHTRK318 AYHHTRM318 43 3 18 0 1 115 1 125 121 2 125 AYDHTRK336 150 AYHHTRM336 86 6 36 0 2 169 3 175 175 4 200 AYDHTRK354 AYHHTRM354 129 9 54 0 2 223 4 225 229 5 250 AYDHTRK318 AYHHTRM318 43 3 18 0 1 121 0 125 127 1 150 AYDHTRK336 GERE180 AYHHTRM336 86 6 36 0 2 175 1 200 181 2 200 AYDHTRK354 AYHHTRM354 129 9 54 0 2 229 2 250 235 3 250 AYDHTRL336 AYHHTRN336 86 6 36 0 2 212 9 225 213 8 225 AYDHTRL354 GERE240 AYHHTRN354 129 9 54 0 2 267 1 300 268 0 300 AYDHTRK372 AYHHTRN372 173 2 72 0 2 321 2 300 322 1 300 AYDHTRL336 AYHHTRN336 86 6 36 0 2 220 4 225 AYDHTRL354 GERE300 AYHHTRN354 129 9 54 0 2 274 6 300 AYDHTRK372 AYHHTRN372 173 2 72 0 2 328 7 300 460 Volt Three Phase BAYHTRE406 7 2 6 0 1 19 5 20 GERE036 BAYHTRE412 14 4 12 0 2 28 5 30 BAYHTRE418 20 9 17 4 2 36 6 40 4 06 7 2 6 0 1 20 4 25 GERE048 BAYHTRE412 14 4 12 0 2 29 4 30 BAYHTRE418 20 9 17 4 2 37 5 40 BAY
52. ent convertible for 10 Ton H Horizontal Supply Air Arrangement 12 1 2 25Ton option DIGIT 16 Return Air Arrangement 0 Standard Return Air Arrangement WSHP SVX12B EN 12 13 14 15 16 17 18 19 20 21 Digit 17 Control Types ReliaTel Standalone Controls Tracer Communication Interface LonTalk Communication Interface Digit 18 T stat Sensor Location Wall Mounted Location Wall Mounted Sensor with Unit Mounted Return Air Smoke Detector Wall Mounted Sensor with Unit Mounted Supply Air Smoke Detector Wall Mounted Sensor with Unit Mounted Return Air Supply Air Smoke Detectors Digit 19 Fault Sensors R L 0 A 0 No Fault Sensor Clogged Filter Switch Fan Failure Switch Discharge Air Sensing Tube D Clogged Filter Switch and Fan Fail Switch E Clogged Filter Switch and Discharge Air Sensing Tube F Fan Fail Switch and Discharge Air Sensing Tube G Clogged Filter Switch Fan Fail Switch and DA Sensing Tube Digit 20 Temperature Sensor 7 High Pressure Control Frostat Crankcase Heater Digit 21 Night Setback 0 Night Setback Relay N Night Setback Relay Note Option N is used for the Micro Standalone Controller ONLY Digit 22 Electric Heat Option No Electric Heat 5 kW 1 Phase 6 kW 3 Phase 9 kW 3 Phase 10 kW 1 Phase 12 kW 3 Phase 14 kW 1 Phase 18 kW 1 and 3 Phase 23 kW 3 Phase 27 kW
53. er and recheck the phasing If the phasing is correct open the disconnect switch or circuit protection switch and remove the phase sequence indicator Compressor Crankcase Heaters Optional Each compressor can be equipped with a crankcase heater The proper operation of the crankcase heater is important to maintain an elevated compressor oil temperature during the OFF cycle to reduce oil foaming during compressor starts Oil foaming occurs when refrigerant condenses in the compressor and mixes with the oil In lower ambient conditions refrigerant migration to the compressor could increase When the compressor starts the sudden reduction in crankcase pressure causes the liquid refrigerant to boil rapidly causing the oil to foam This condition could damage compressor bearings due to reduced lubrication and could cause compressor mechanical failures Before starting the unit in the COOLING mode set the system switch to the OFF position and turn the main power disconnect to the ON position and allow the crankcase heater to operate a minimum of 8 hours Before closing the main power disconnect switch ensure that the SYSTEM selection switch is in the OFF position and the FAN selection switch is in the AUTO position Close the main power disconnect switch and the unit mounted disconnect switch if applicable Upon power initialization the RTRM performs self diagnostic checks to ensure that all internal controls are functional It a
54. ering the smoke detector unit must be between 500 and 4000 feet per minute Discharge Line Thermostat A bi metal element discharge line thermostats installed as a standard option on the discharge line of each system This standard option provides extra protection to the compressors against high discharge temperatures in case of loss of charge extremely high ambient and other conditions which could drive the discharge temperature higher Field installed ONLY Accessories High Temperature Sensor BAYFRST002A This sensor connects the RTRM Emergency Stop Input LTB1 5 and LTB1 6 and provides high limit shutdown of the unit and requires a manual reset The sensor is used to detect high temperatures due to fire in the air conditioning or ventilation ducts The sensor is designed to mount directly to the sheet metal duct Each kit contains two sensors The return air duct sensor X13100040010 is set to open at 135 degrees F The supply air duct sensor X13100040020 is set to open at 240 degrees F The control can be reset after the temperature has been lowered approximately 25 degrees F below the cutout setpoint Electronic Timeclock BAYCLCK001A This electronic timeclock is designed to control the occupied unoccupied switching of up to four rooftop units Once the unit s has entered an unoccupied status night setback temperatures can be controlled by utilizing a standard zone sensor wired to the RTRM The timeclock contains four binar
55. es the different components of the unit one at a time when a specific resistance value is placed across the two test terminals The unit will remain in the specific test mode for approximately one hour even though the resistance is left on the test terminals Auto Test Mode This method is not recommended for start up due to the short timing between individual component steps This method initiates the different components of the unit one at a time when a jumper is installed across the test terminals The unit will start the first test step and change to the next step every 30 seconds At the end of the test mode control of the unit will automatically revert to the applied SYSTEM control method For unit test steps test modes and step resistance values to cycle the various components see Table 9 47 Pre Start Table 9 Service Test Guide Econ Test Step Mode Fan Note 2 Compr 1 Compr2 Heati Heat 2 Ohms Min Position ON Setpoint 0 OFF OFF OFF OFF Min Ventilation ON Selectable OFF OFF OFF OFF 2 ME OFF OFF 33 pen 3 CoolStage 1 ON Min Position ON Note 1 OFF OFF OFF 4 7K 4 Note 3 CoolStage 2 ON Min Position ON Note 1 Note 1 OFF OFF 6 8K 5 Note 3 Heat Stage 1 ON Min OFF OFF ON OFF 10K 6 Note 3 HeatStage 2 ON Min OFF OFF ON ON 15K Notes 1 The condenser fans will operate any time a compressor is ON providing the outdoor temperatures are within the
56. essor uses Trane OIL 42 without substitution The appropriate oil charge for a 9 and 10 ton scroll compressor is 8 pints For a 14 and 15 ton scroll compressor use 14 pints 4 After the compressor and condenser fan have started and operated for approximately 30 minutes observe the operating pressures Compare the operating pressures to the operating pressure curve in the Service Facts 5 Check system superheat Follow the instruction list on the superheat charging curve in the Service Facts Note Superheat should be within x5 F of the superheat chart value Repeat steps 1 through 4 for each refrigerant circuit To stop the SERVICE TEST turn the main power disconnect switch to the OFF position or proceed to the next component start up procedure 51 TRANE Pre Start Heating Start up Using Table 9 p 48 continue the SERVICE TEST start up procedure for each compressor circuit AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 1 Clamp an amp meter around one of the first stage heater power wires at th
57. f arc or flash technicians MUST put on all Personal Protective Equipment PPE in accordance with NFPA 70E or other country specific requirements for arc flash protection PRIOR to servicing the unit Failure to follow recommendations could result in death or serious injury AWARNING Contains Refrigerant System contains oil and refrigerant under high pressure Recover refrigerant to relieve pressure before opening the system See unit nameplate for refrigerant type Do not use non approved refrigerants refrigerant substitutes or refrigerant additives Failure to follow proper procedures or the use of non approved refrigerants refrigerant substitutes or refrigerant additives could result in death or serious injury or equipment damage WSHP SVX12B EN AWARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury AWARNING Fiberglass Wool Product contains fiberglass wool Disturbing the insulation in this product during installation maintenance or repair will expose you to airborne particles of glass wool fibers a
58. g return air temperature sensing supply air temperature sensing remote temperature sensing uncovered Wiring procedures vary according to the particular application and equipment involved Refer to the unit s wiring diagrams for proper connections Remote Zone Sensor 5 5017 This electronic sensor can be used with BAYSENS106A 108A 110A 019A 020A or 021A remote panels When this sensor is wired to BAYSENSO19A 5 5020 2 TRANE General Information remote panel wiring must be 18 AWG shielded twisted pair Belden 8760 or equivalent Refer to the specific remote panel for wiring details Component Location Controls Compressor water to refrigerant section Air to refrigerant coil Filter location e c Blower and motor location WSHP SVX12B EN e Dimensions Unit Clearances CLEARANCES FOR SINGLE AND MULTIPLE APPLICATIONS The illustration below reflects the minimum operating and service clearances for either a single or multipla unit installation These clearances are the minimum distances necessary to assure adequate serviceability cataloged unit capacity and peak operating efficiency Providing lass than the recommended clearances may result in return air starvation short circuiting of exhaust and economizer airflows or recirculation of hat air SIDE BY SIDE SEE MOTE 2 32134 MM MULTIPLE UNITS NOTES E 1 For horizontal discharge unit 2M
59. hanger be done in accordance with the Closed Loop Ground Source Heat Pump Systems Installation Guide e Is unit serviceable See section Unit Clearances p 10 for clearance recommendations 52 Are the low high side pressure temperature caps secure and in place Is the thermostat in the OFF position Is the water flow established and circulating through all the units Is the duct work correctly sized run taped insulated and weather proofed with proper unit arrangement Is the condensate line properly sized run trapped and pitched Is the zone sensor when used correctly wired and in a proper location Does the indoor blower turn freely without rubbing and is it properly tightened on the shaft Check the supply fan belts if applicable for proper tension and the fan bearings for sufficient lubrication If the belts require adjustment or ifthe bearings need lubricating refer to the maintenance section for instructions Has all work been done in accordance with applicable local and national codes Has heat transfer fluid been added in the proper mix to prevent freezing in closed system application Are all the unit access panels secure and in place And is unit interior free from tools or debris Verify thatthe Remote panel SYSTEM selection switch FAN selection switch and ZONE TEMPERATURE settings for automatic operation are correct Is the main disconnect switch or circuit protector switch that prov
60. he curb perimeter flange and the supply and return air opening flanges Note For sound consideration cut only the holes in the roof deck for the duct work penetrations Do not cut out the entire roof deck within the curb perimeter Rigging the Unit A rigging illustration and center of gravity dimensional data table are shown in Table 1 p 28 Refer to the typical unit operating weights table before proceeding 1 Remove the two screws from each end of the unit that securesthe wooden shipping top Removethe wooden top and metal retaining brackets Remove the protective covering from around the unit 2 Rig the unit Attach adequate strength lifting slings to all four lifting brackets in the unit base rail Do not use cables chains or slings except as shown 3 Install a lifting bar as shown in the illustration 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 4 Test lift the unit to ensure it is properly rigged and balanced Make any necessary rigging adjustments Lift the unit and position it into place Downflow units align the base rail of the unit with the curb rail while lowering the unit onto the curb Make sure that the gasket on the curb is not damaged while positioning the unit Set the unit onto the curb check for levelness Ensure unit to curb seal is tight and without buckles or cracks 9 Install and connect
61. he power supply Each reading must fall within the utilization range listed on the unit nameplate If any of the readings do not fall within the proper tolerances notify the power company to correct this situation before operating the unit Excessive three phase voltage imbalance between phases will cause motors to overheat and eventually fail The maximum allowable voltage imbalance is 2 Measure and record the voltage between phases 1 2 and 3 and calculate the amount of imbalance as follows 100 x AV VD Voltage Imbalance AV where Volt 1 Volt 2 Volt 3 3 AV average voltage 46 V1 V2 V3 Line Voltage Readings VD Line Voltage reading that deviates the farthest from the average voltage Example If the voltage readings of the supply power measured 221 230 and 227 the average volts would be 22142304227 226 Avg 3 g VD reading farthest from average 221 The percentage of Imbalance equals 226 221 100 x 2 296 The 2 296 imbalance in this example exceeds the maximum allowable imbalance of 2 096 This much imbalance between phases can equal as much as a 20 current imbalance with a resulting increase in motor winding temperatures that will decrease motor life If the voltage imbalance is over 296 notify the proper agencies to correct the voltage problem before operating this equipment Electrical Phasing Three Phase Motors The compressor motor s and the supply fan mot
62. ides the supply power to the unit s terminal block or the unit mounted disconnect switch closed Is the Night Setback panel if applicable programmed for proper unoccupied operation For units with economizer option verify ambient sensor is mounted inside corner post grommet WSHP SVX12B EN Start Up Use this form to thoroughly check out the system and units before and during start up This form need not be returned to the factory unless requested during technical service support Job Name Model Number Date Serial Number In order to minimize troubleshooting and costly system failures complete the following checks and data entries before the system is put into full operation MODE Heat Cool Entering fluid temperature degrees F Leaving fluid temperature degrees F Temperature differential degrees F Return air temperature DB WB degrees F Supply air temperature DB WB degrees Temperature differential degrees F Water coil heat exchanger Water Pressure IN PSIG Water coil heat exchanger Water Pressure OUT PSIG Pressure Differential PSIG COMPRESSOR Amps Volts Discharge line temperature after 10 minutes degrees F WSHP SVX12B EN e TRANE Initial Unit Start up Start up with the conventional thermostat is included below 1 Set the thermostat to the highest position 2 Setthethermostat system switch to COOL with
63. izing includes Table 14 Filter sizing Filter Size Unit Size nominal inch 036 048 2 20x 30x1 060 4 16 x 25 x 2 072 090 4 16x 25 x 2 120 4 20x 25 x 2 150 180 300 4 20 x 20x 2 Downfl w 4 20 x 25 x 2 150 180 300 Horizontal 8 20 x 25 x 2 8 20 x 20x2 240 Downflow 4 20 16 2 240 Horizontal 12 20 x 20x 2 AWARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Check the contactors and relays within the control panel at least once a year It is good practice to check the tightness of the various wiring connections within the control panel A strainer 60 mesh or greater must be used on an open loop system to keep debris from entering the unit heat exchanger and to ensure a clean system For units on well water it is important to check the cleanliness of the water to refrigerant heat exchanger Should it become contaminated with dirt and scaling as a result of bad water the heat exchanger will have to be back flushed and cleaned with a chemical that will remove the scale This service should be performed by an experienced water treatment specialist WSHP SVX12B EN TRANE AWARNING Hazardous Chemicals Coil cleaning agents can be either acidic or highly
64. just as necessary for even unit lift Other lifting arrangements may cause equipment or property only damage Failure to properly lift unit could result in death or serious injury See details below Figure 18 Corner weight locations and center of gravity Center of Gravity gt A Length B nter of Gravity Width S 2 D C Center of Gravity Table 1 Typical unit weights and point loading data Net Corner Weights Center of Gravity Model Weight B c D Length Width 036 487 132 121 112 121 33 0 19 0 048 538 146 134 124 134 33 0 19 0 060 678 188 164 154 173 40 5 23 0 072 700 194 169 159 179 40 5 23 0 090 794 218 194 182 201 41 0 23 0 120 941 235 251 234 221 52 0 28 0 150 1800 491 481 410 418 60 0 32 0 180 1848 505 493 421 429 60 0 32 0 240 2008 548 536 458 466 60 0 32 0 300 1906 520 509 435 442 30 0 32 0 Table 2 Net weights for electric heat are as follows Unit Size 23 36 kW 54 kW 72kW GER 150 180 240 300 33 27 40 32 43 34 28 Figure 19 Rigging CENTER OF QRAVITY WSHP SVX12B EN 2 TRANE Dimensions Table 3 Option and accessory weights Option Accessory Description Net Weight 036 060 Net Weight 072 120 Net Weight 150 180 300 Net Weight 240 Electric Heat 15 15 Economizer 26 36 65 80 65 80 Motorized Damper 20 30 60 75 60 75 Manual Damper 16 26 32 32 Barome
65. lso checks the configuration parameters against the components connected to the system The Liteport LED located on the RTRM module is turned ON within one second of power up if internal operation is Okay Use one of the followingTEST procedures to bypass some time delays and to start the unit at the control panel Each step of unit operation can be activated individually by temporarily shorting across the TEST terminals for two or three seconds The Liteport LED will blink when the test mode has been initiated The unit can be left in any TEST step for up to one hour before it will automatically terminate or it can be terminated by opening the main power disconnect switch Once the test mode has been terminated the Liteport LED will glow continuously and the unit will revert to the SYSTEM control Test Modes There are three methods in which the TEST mode may be cycled at LTB Test 1 and LTB Test 2 Step Test Mode This method initiates the different components of the unit one at a time by temporarily WSHP SVX12B EN TRANE Pre Start shorting across the two test terminals for two or three seconds For the initial start up of the unit this method initiates the different components of the unit one at a time by temporarily shorting across the two test terminals for two or three seconds Resistance Test Mode This method may be used for start up providing a decade box for variable resistance outputs This method initiat
66. ly energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components per these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Table 16 Troubleshooting Problem Heating Cooling Cause Correction X Main power off Check fuses x x Defective control transformer Replace 2 x x Broken or loose connection Repair x x Defective thermostat Replace X x Transformer Reset Transformer Unit short cycles x x Thermostat or sensor improperly located Relocate x x Defective compressor overload Replace if external X X Defective compressor contactor Replace Blower runs but compressor X X Supply Voltage too low Correct does not X X Defective compressor capacitor Replace x x Defective windings Replace x X Limit switches open Check cause Replace or repair X X Dirty filter Replace clean X x Blower RPM too low Correct X X 7 air due to leaks in Repair leaks x Introduction of excessively hot return air Correct x Introduction of excessively cold return air Correct x x Low on refrigerant charge recharge by weight Insufficient capacity X x Restricted thermal expansion valve Replace x X Defective reversing valve See WSHP IOM for touch test chart x x Thermostat improperly located Relocate x x Unit undersized Recalculate heat gai
67. marks referenced in this document are the trademarks of their respective owners LonTalk is a registered trademark of Echelon Corporation e TRANE Table of Contents Warnings Cautions and Notices 2 Standard 58 Introduction 3 Extended Warranty 58 Model Number Descriptions 5 General Information 6 Jobsite Inspection 6 Jobsite Storage 6 Unit Description 6 System Input Devices and Functions 6 Field installed ONLY Accessories 8 Component Location 9 Dimensions 10 Unit Clearances 10 Installation 30 General Installation Checks 30 Main Electrical Power Requirements 30 Foundation for Rooftop Units 30 Ductwork 31 Roof Curbs 31 Rigging the Unit 31 Supply Return Pipe 31 Drain Connection 32 Horizontal Discharge Conversion 32 TCO A Instructions 33 Field Installed Power Wiring 34 Field Installed Control Wiring 34 Control Power Transformer 34 Electrical Requirements 38 Pre Stat uuu edge e araw usasqa 45 Space Temperature Averaging
68. nd can be activated by opening a field supplied contact installed in series with the LPC WSHP SVX12B EN If this circuit is open before the compressor is started the compressor will not be allowed to operate Anytime this circuit is opened for 5 continuous seconds during compressor operation the compressor for that circuit is immediately turned OFF The compressor will not be allowed to restart for a minimum of 3 minutes should the LPC close If four consecutive open conditions occur during the first 3 minutes of operation the compressor for that circuit will be locked out a diagnostic communicated to the remote panel if installed and a manual reset will be required to restart the compressor Low Pressure Control With the ReliaTel module the low pressure will be activated when a field supplied contact is opened Anytime this circuit is opened for 5 continuous seconds the compressor for that circuit is turned off immediately The compressor will not be allowed to restart for a minimum of 3 minutes If four consecutive open conditions occur during the first 3 minutes of operation the compressor will be locked out a diagnostic communicated to ICSTM if applicable and a manual reset will be required to restart the compressor High Pressure Control The high pressure controls are wired in series between the compressor outputs on the RTRM and the compressor contactor coils If the high pressure control switch opens the RTRM sen
69. nd ceramic fibers known to the state of California to cause cancer through inhalation Glass wool fibers may also cause respiratory skin or eye irritation NOTICE Equipment Damage From Ultraviolet UV Lights The manufacturer does not recommend field installation of ultraviolet lights in its equipment for the intended purpose of improving indoor air quality High intensity C band ultraviolet light is known to severely damage polymer plastic materials and poses a personal safety risk to anyone exposed to the light without proper personal protective equipment Polymer materials commonly found in HVAC equipment that may be susceptible include insulation on electrical wiring fan belts thermal insulation various fasteners and bushings Degradation of these materials can result in serious damage to the equipment The manufacturer accepts no responsibility for the performance or operation of our equipment in which ultraviolet devices were installed outside of the manufacturer s factory or its approved suppliers WSHP SVX12B EN es TRANE Warnings Cautions and Notices Introduction Revision Summary WSHP SVX12B EN Corrected dimensions and added center of gravity information Trademarks Axiom Precedent ReliaTel TOPSS Tracer Voyager II Trane and the Trane logo are trademarks or registered trademarks of Trane in the United States and other countries Trane is a business of Ingersoll Rand All trade
70. nels To convert drain condensate through the base of the unit 1 Remove the evaporator access panel and supply air access panels 2 Remove the support panel that the condensate drain pan exits through 3 Slide the condensate drain pan out of the unit Place on a level surface in the position it was removed from the unit 5 Remove the plug knockout in the bottom of the drain pan to convert it to through the base drainage 6 Plug the original condensate drain opening with a field supplied 3 4 inch NPT plug 7 Slide the condensate drain pan back into the unit align the drain support with the grommeted opening in the rear support panel and push until the support is seated in the grommet 8 Replace the front support panel by aligning the panel with tabs in the raceway Align the plugged condensate drain pan coupling in the grommeted hole as the panel is put in place 9 Replace evaporator access panel and supply air access panels 10 A condensate trap must be installed at the unit due to the drain connection being on the negative pressure side of the fan Install the p trap using the guidelines below 32 A condensate drain line must be connected to the p trap Pitch the 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 in condensate backup due to air lock Figure
71. ns losses x x Inadequate water flow Increase GPM x x Scaling in heat exchanger Clean or replace X Water too hot Decrease temperature x Water too cold Increase temperature 56 WSHP SVX12B EN TRANE Troubleshooting Table 16 Troubleshooting continued Problem Heating Cooling Cause Correction x Inadequate GPM Increase water flow to unit x Water too hot Decrease temperature High pressureswitch X Inadequate air flow Check clean blower and coil x Dirty filter Clean replace x x Overcharged with refrigerant Decrease charge x X Defective pressure switch Check or replace X Trash in heat exchanger Backflush X Low water flow Increase GPM x x Overcharge of refrigerant Decrease charge High head pressure x x Non condensable in system Evacuate and recharge by weight X x Water too hot Decrease temperature x Dirty filter Clean replace x Inadequate air flow Check clean blower and coil x X Undercharged Locate leak repair and recharge x x Restricted thermal expansion valve Repair replace Low suction pressure x Inadequate air flow Check clean blower and coil x Dirty filter Clean replace Inadequate GPM Increase GPM Inadequate GPM Increase GPM x Water too cold Increase temperature x Inadequate air flow Increase CFM Low Pressure switch open x Dirty filter Clean replace X Undercharged with refrigerant Increase charge X Defective pressure switch Replace X X Heat transfer fluid too
72. o of Motor Motor Motor Circuit Protective Model No Unit Volts Unit FLA RLA ea LRA ea Compres FLA HP Num Ampacity Device 208 60 3 33 0 22 4 149 0 2 10 60 3 1 61 0 80 230 60 3 33 0 22 4 149 0 2 10 60 3 1 61 0 80 460 60 3 15 4 10 6 75 0 2 4 80 3 1 28 7 35 575 60 3 11 8 7 9 54 0 2 3 90 3 1 21 7 25 GERE150 208 60 3 39 1 22 4 149 0 2 16 70 5 1 67 1 80 230 60 3 39 1 22 4 149 0 2 16 70 5 1 67 1 80 460 60 3 18 2 10 6 75 0 2 7 60 5 1 31 5 40 575 60 3 14 0 7 9 54 0 2 6 10 5 1 23 9 30 208 60 3 35 6 25 0 164 0 2 10 60 3 1 66 9 90 230 60 3 35 6 25 0 164 0 2 10 60 3 1 66 9 90 460 60 3 17 3 12 5 100 0 2 4 80 3 1 32 9 45 575 60 3 14 2 10 3 78 0 2 3 90 3 1 27 1 35 GERE180 208 60 3 41 7 25 0 164 0 2 16 70 5 1 73 0 90 230 60 3 41 7 25 0 164 0 2 16 70 5 1 73 0 90 460 60 3 20 1 12 5 100 0 2 7 60 5 1 35 7 45 575 60 3 16 4 10 3 78 0 2 6 10 5 1 29 3 35 208 60 3 55 8 39 1 267 0 2 16 70 5 1 104 7 125 230 60 3 55 8 39 1 267 0 2 16 70 5 1 104 7 125 460 60 3 24 9 17 3 142 0 2 7 60 5 1 46 5 60 575 60 3 21 5 15 4 103 0 2 6 10 5 1 40 8 50 GERE240 208 60 3 56 7 39 1 267 0 2 17 60 7 5 1 105 6 125 230 60 3 56 7 39 1 267 0 2 17 60 7 5 1 105 6 125 460 60 3 25 9 17 3 142 0 2 8 60 7 5 1 47 5 60 575 60 3 22 4 15 4 103 0 2 7 00 7 5 1 41 7 50 208 60 3 63 3 39 1 267 0 2 24 20 7 5 1 112 2 150 230 60 3 63 3 39 1 267 0 2 24 20 7 5 1 112 2 150 GERE300 460 60 3 29 6 18 6 103 0 2 11 00 7 5 1 52 9 70 575 60 3 24 4 15 4 160 0 2 9 00 7 5 1 43 7 50 WSHP SVX12B EN 39
73. or are internally connected for the proper rotation when the incoming power supply is phased as A B C Proper electrical supply phasing can be quickly determined and corrected before starting the unit by an instrument such as an Associated Research Model 45 Phase Sequence Indicator and following the steps below AWARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 1 Turn the field supplied disconnect switch that provides power to the main power terminal block or to the Line side ofthe optional factory mounted disconnect switch to the OFF position 2 Connect the phase sequence indicator leads to the terminal block or the Line side of the optional factory mounted disconnect switch as follows Black phase A to L1 Red phase B to L2 Yellow phase C to L3 3 Closethe field supplied main power disconnect switch or circuit protector switch that provides the supply power to the unit 4 Observethe ABC and CBA phase indicator lights on the face ofthe sequencer The ABC indicator light will glow WSHP SVX12B EN if the phase is ABC If the CBA indicator light glows open the disconnect switch or circuit protection switch and reverse any two power wires 5 Restore the main electrical pow
74. ors should be installed to minimize the transmission of vibrations into the building For rooftop applications ensure the roof is strong enough to support the combined unit and support structural weight WSHP SVX12B EN AWARNING Risk of Roof Collapsing Confirm with a structural engineer that the roof structure is strong enough to support the combined weight of the roofcurb and the unit Refer to Table 1 p 28 and Table 3 p 29 for typical unit and curb weights Failure to ensure proper structural roof support could cause the roof to collapse which could If anchoring is required anchor the unit to the roof with hold down bolts or isolators Check with the contractor for proper waterproofing procedures Ductwork When attaching the ductwork to the unit provide a watertight flexible connector at the unit to prevent operating sounds from transmitting through the ductwork Elbows with turning vanes or splitters are recommended to minimize air noise due to turbulence and to reduce static pressure All outdoor ductwork between the unit and the structure should be weather proofed after installation is complete See dimensional data on pages 13 through 16 for connection sizes Roof Curbs The roof curbs for these units down flow consists of a full perimeter enclosure to support the unit Before installing any roof curb e Verify that the correct roof curb is applied to the unit e Verify that the roof curb includes
75. pped with internal circuit breakers If a circuit breaker trips turn OFF all power to the unit before attempting to reset it WSHP SVX12B EN AWARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Figure 25 BAF LD SS AXYETATEELA L W L 31 sd TT L3 j rE a Cine EXS c k Ravan ee P eds Dem eS ee shige LT ErT Bal ge a TR cir rd imi merr 1 a 39 an 2 x I X WSHP SVX12B EN F w t Aackiniuiia S o ple 9 9 a a E TRANE Installation The transformer is located in the control panel The circuit breaker is located on the left side of the transformer and can be reset by pressing in on the black reset button ir 35 geom om mp u Q as K eee a Tne e 4 k k 4 mans zm mms Luya en E CD B FEWETDETU cre
76. s unit ATTENTION Warnings Cautions and Notices appear at appropriate sections throughout this literature Read these carefully Indicates a potentially hazardous A WARNING situation which if not avoided could result in death or serious injury Indicates a potentially hazardous ACAUTION situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices Indicates a situation that could resultin NOTICE equipment or property damage only accidents Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and those containing Hydrogen Chlorine Fluorine and Carbon HCFCs Not all refrigerants containing these compounds have the same potential impact to the environment Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment our customers and the air conditioning industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets for
77. ses a lack of current while calling for cooling and locks the compressor out On dual circuit units if the high pressure control opens the compressor on the affected circuit is locked out A manual reset for the affected circuit is required Economizer Control Actuator ECA option The ECA monitors the mixed air temperature return air temperature minimum position setpoint local or remote power exhaust setpoint CO2 setpoint CO2 and ambient dry bulb enthalpy sensor or comparative humidity return air humidity against ambient humidity sensors if selected to control dampers to an accuracy of 5 of stroke The actuator is spring returned to the closed position any time power is lost to the unit It is capable of delivering up to 25 inch pounds of torque and is powered by 24 RTCI ReliaTel Trane Communication Interface option This module is used when the application calls for an ICS building management type control system It allows the control and monitoring of the system through an ICS panel The module be ordered from the factory ordered as a kitto be field installed Follow the installation instruction that ships with each kit when field installation is necessary WSHP SVX12B EN 2 TRANE General Information RTLI ReliaTel LonTalk Communication Interface option This module is used when the application calls for either an ICS building management type control system that is LonTalk It allows
78. t Adjustment Units with Belt Drive Fan The fan belts must be inspected periodically to assure proper unit operation Replacement is necessary if the belts appear frayed or worn Units with dual belts require a matched set of belts to ensure equal belt length 49 TRANE Pre Start AWARNING Rotating Components During installation testing servicing and troubleshooting of this product it may be necessary to measure the speed of rotating components Have a qualified or licensed service individual who has been properly trained in handling exposed rotating components perform these tasks Failure to follow all safety precautions when exposed to rotating components could result in death or serious injury When moving or installing the new belts do not stretch them over the sheaves Loosen the belts using the belt tension adjustment bolts on the motor mounting base Once the new belts are installed using a Browning or Gates tension gauge or equivalent illustrated in Figure 31 adjust the belt tension as follows 1 To determine the appropriate belt deflection a Measure the center to center shaft distance in inches between the fan and motor sheaves b Divide the distance measure in Step 1a by 64 the resulting value represents the amount of belt deflection that corresponds to the proper belt tension 2 Set the large O ring on the belt tension gauge at the deflection value determined in Step 1b
79. tely 0 4 inch w c The clogged filter output is energized when the supply fan is operating and the clogged filter switch has been closed for at least 2 minutes The system will continue to operate regardless of the status of the filter switch Power Exhaust Control option The power exhaust fan is started whenever the position of the economizer dampers meets or exceed the power exhaust setpoint when the indoor fan is on The setpoint panel is located in the return air section and is factory set to 2596 Evaporator Frost Control option This input incorporates the Frostat control FOS of each refrigeration circuit and can be activated by closing a field supplied contact installed in parallel with the FOS If this circuit is open before the compressor is started the compressor will not be allowed to operate Anytime this circuit is opened for 5 continuous seconds during compressor operation the compressor for that circuit is immediately turned OFF The compressor will not be TRANE General Information allowed to restart for a minimum of 3 minutes should the FOS close Smoke Detector Sensor option This sensor provides high limit shutdown of the unit and requires a manual reset The sensor is used to detect smoke due to fire in the air conditioning or ventilation ducts In order for the supply air smoke detector or return air smoke detector to properly sense smoke in the supply return air stream the air velocity ent
80. th the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service procedures In addition some states or 2013Trane All rights reserved municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them AWARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow code could result in death or serious injury AWARNING Personal Protective Equipment PPE Required Installing servicing this unit could result in exposure to electrical mechanical and chemical hazards Before installing servicing this unit technicians MUST put on all Personal Protective Equipment PPE recommended for the work being undertaken ALWAYS refer to appropriate MSDS sheets and OSHA guidelines for proper PPE When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations If there is a risk o
81. the control and monitoring of the system through an ICS panel The module can be ordered from the factory or ordered as a kit to be field installed Follow the installation instruction that ships with each kit when field installation is necessary RTOM ReliaTel Options Module option The RTOM monitors the supply fan proving clogged filter supply air temperature exhaust fan setpoint supply air tempering FrostatTM and smoke detector Refer to system input devices and functions for operation Supply Fan Failure Input option The fan failure switch can be factory or field installed to sense indoor fan operation With the FFS Fan Failure Switch if air flow through the unit is not proven by the differential pressure switch factory set point 0 07 inch w c within 40 seconds nominally the RTRM will shut off all mechanical operations lock the system out send a diagnostic to ICS and the service LED will flash The system will remain locked out until a reset is initiated either manually or through ICS Clogged Filter Switch option The unit mounted clogged filter switch monitors the pressure differential across the return air filters It is mounted in the filter section and is connected to the RTOM A diagnostic service signal is sent to the remote panel ifthe pressure differential across the filters is at least 0 5 inch w c The contacts will automatically open when the pressure differential across the filters decreases to approxima
82. tric Relief 7 10 Power Exhaust N A 80 95 95 Oversized Motor 5 8 5 5 Belt Drive Motor 3 phase only 31 Standard 10 10 Hinged Access 10 12 27 27 Hail Guard 12 20 Through the base electrical 8 13 23 23 Unit Disconnect Switch 5 5 10 10 Unit Circuit Breaker 5 5 10 10 TCI LCI 1 1 1 1 Frostat 1 1 1 1 Crankcase Heater 1 1 1 1 Smoke Detector Return 7 7 Smoke Detector Supply 5 5 5 5 Clogged Filter Switch 1 1 1 1 Fan Fail Switch 1 1 1 1 Discharge Air Tube 3 3 3 3 Roof curb 70 115 235 235 Zone Sensors 1 1 1 1 WSHP SVX12B EN 29 e Installation General Installation Checks The checklist below is a summary of the steps required to successfully install a commercial unit This checklist is intended to acquaint the installing personnel with what is required in the installation process It does not replace the detailed instructions called out in the applicable sections of this manual e Check the unit for shipping damage and material shortage file a freight claim and notify appropriate sales representation e Verify the correct model options and voltage from the unit nameplate e Verify the installation location of the unit will provide the required clearance for proper operation e Assemble and install the roof curb if applicable Refer to the latest edition of the curb installers guide that ships with each curb kit Fabricate and install duct work secure duct work to the curb Factory Installed
83. trol options available with the required number of conductors for each control device may be found on Figure 25 p 35 and Figure 26 p 36 Note All field wiring must conform to NEC guidelines as well as state and local codes 34 Main Unit Power Wiring 1 If the unit is NOT equipped with an optional factory installed non fused disconnect switch or circuit breaker a field supplied disconnect switch must be installed at or near the unit in accordance with the National Electric Code NEC latest edition 2 Location of the applicable electric service entrance may be found in Figure 24 p 34 3 Complete the unit s power wiring connections onto either the main terminal wire connectors inside the unit control panel the factory mounted non fused disconnect switch UCD or circuit breaker UCB Refer to the customer connection diagram that is shipped with the unit for specific termination points 4 Provide proper grounding for the unit in accordance with the local and national codes Miss ppr bos ws thi tr Fast Macri pores arz arera far muted dacraeuwet of circusr bake corer garii an poem anana for ucitz with Tene hasi Conran rrirahut at fias conii pars 12 1 2 through 25 Control Power Transformer The 24 volt control power transformers are to be used only with the accessories called out in this manual Transformers rated greater than 50 VA are equi
84. uit holes supply air return air openings and flue openings from the ambient air until the unit is ready for start up The manufacturer will not assume any responsibility for equipment damage resulting form condensate accumulation on the unit s electrical and or mechanical components Unit Description Before shipment each unit is leak tested dehydrated charged with refrigerant and compressor oil and run tested for proper control operation Unit Nameplate The unit nameplate is located on the units s corner support just above the main power entrance access into the control panel It includes the unit model number serial number electrical characteristics refrigerant charge and other pertinent unit data Compressor Nameplate The nameplate for the compressors are located on the compressor terminal box Air to Refrigerant Coil The air to refrigerant coil is aluminum fin mechanically bonded to the copper tubing Water to Refrigerant Coil The water to refrigerant coil is a copper or cupro nickel option and steel tube tube within a tube design leak tested to assure there is no cross leakage between the water tube copper cupro nickel and refrigerant gas steel tube The control system offered to control the unit is a ReliaTel Control Module It may be installed as a standalone unit control module or tied to a full building automation system The ReliaTel Control Module is a microelectronic control
85. y outputs RE1 RE2 RE3 RE4 aliquid crystal display LCD and four programming keys Time Day Key Occupied Unoccupied Program Key Run Key and an Advance Override Key An 18 to 30 VAC power source is required either from one of the units being controlled or from a separate class 2 power source Zone Panel BAYSENS106A This electronic sensor features three system switch settings EM HEAT HEAT COOL and OFF and two fan settings ON and AUTO It is a manual changeover control with single setpoint capability Zone Panel BAYSENS108A This electronic sensor features four system switch settings HEAT COOL AUTO OFF and two fan settings ON and AUTO It is a manual or auto changeover control with dual setpoint capability It can be used with a remote zone temperature sensor 5 5017 Remote Panel w o NSB BAYSENS 110A This electronic sensor features four system switch settings HEAT COOL AUTO and OFF and two fan settings ON and AUTO with four system status LED s It is a manual or auto changeover control with dual setpoint capability It can be used with a remote zone temperature sensor BAYSENSO 17B Programmable Zone Sensor BAYSENSO19B This 7 day programmable sensor features 2 3 and 4 periods for Occupied Unoccupied programming per day If the power is interrupted the program is retained in permanent memory If power is off longer than 2 hours only the clock and day may have to be reset The

Trane Rooftop WSHP Installation and Maintenance Manual

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