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RT-SVX36G-EN

Installation

General Unit Requirements

The checklist listed below is a summary of the steps required to successfully install a Commercial
rooftop 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.

•

Check the unit for shipping damage and material shortage; file a freight claim and notify Trane
office.

•

Verify that the installation location of the unit will provide the required clearance for proper
operation.

•

Assemble and install the roof curb per the current edition of the curb installation guide.

•

Fabricate and install ductwork; secure ductwork to curb.

•

Install pitch pocket for power supply through building roof. (If applicable)

•

Rigging the unit.

•

Set the unit onto the curb; check for levelness.

•

Ensure unit-to-curb seal is tight and without buckles or cracks.

•

Install and connect condensate drain lines to each evaporator drain connection.

•

Remove the shipping hold-down bolts and shipping channels from the supply and exhaust/
return fans ordered with rubber or spring isolators.

•

Check all optional supply and exhaust/return fan spring isolators for proper adjustment.

•

Verify all discharge and liquid line service valves (one per circuit) are back seated.

Main Electrical Power Requirements

•

Verify that the power supply complies with the unit nameplate specifications.

•

Inspect all control panel components; tighten any loose connections.

•

Connect properly sized and protected power supply wiring to a field-supplied/installed
disconnect and unit

•

Properly ground the unit.

Note:

All field-installed wiring must comply with NEC and applicable local codes.

Field Installed Control Wiring

•

Complete the field wiring connections for the constant volume controls as applicable. Refer to
“Field Installed Control Wiring” for guidelines.

•

Complete the field wiring connections for the variable air volume controls as applicable. Refer
to “Field Installed Control Wiring” for guidelines.

Note:

All field-installed wiring must comply with NEC and applicable local codes.

WARNING

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.

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Содержание IntelliPak SAHL Series

Страница 1: ...on 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 IntelliPak Com...

Страница 2: ...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 ha...

Страница 3: ...al exposure levels proper respiratory protection and handling recommendations If there is a risk of arc or flash technicians MUST put on all Personal Protective Equipment PPE in accordance with NFPA 7...

Страница 4: ...on of the appropriate programming manual for CV or VAV applications before attempting to operate or service this equipment Note The procedures discussed in this manual should only be performed by qual...

Страница 5: ...s if a the unit is stored before it is installed or b 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...

Страница 6: ...7 Input Devices System Functions 17 Constant Volume CV Single Zone Variable Air Volume SZVAV Variable Air Volume VAV Sensors and Controls 18 Constant Volume CV Units 22 Single Zone Variable Air Volume...

Страница 7: ...r Cooled and Evaporative Condensing 91 Unit Start Up 93 Cooling Sequence of Operation 93 Modulating Gas Sequence of Operation Full and Limited Modulating Gas Furnace 103 Wet Heat Sequence of Operation...

Страница 8: ...Ton Evaporative Condenser 166 Maintenance 174 Fan Belt Adjustment 177 Scroll Compressor Replacements 180 VFD Programming Parameters 184 Monthly Maintenance 185 Coil Cleaning 187 Fall Restraint 191 Un...

Страница 9: ...0 DESIGN SEQUENCE A First Factory Assigned Note Sequence may be any letter A thru Z or any digit 1 thru 9 DIGIT 11 EXHAUST RETURN OPTION 0 None 1 Barometric 2 100 Exhaust 1 5 HP w Statitrac 3 100 Exha...

Страница 10: ...Includes cULus classified gas heating section only when second digit of Model No is a F DIGITS 21 38 MISCELLANEOUS 21 A Unit Disconnect Switch 22 B Hot Gas Bypass C Hot Gas Reheat w out Hot Gas Bypass...

Страница 11: ...refilter F Throwaway Filter Rack Less Filter Media G Bag Filter Rack Less Filter Media DIGIT 14 SUPPLY AIR FAN HP C 30 HP 2 15 HP D 40 HP 2 20 HP E 50 HP 2 25 HP F 60 HP 2 30 HP G 80 HP 2 40 HP DIGIT...

Страница 12: ...W BCI with Wireless Communications Interface WCI Y Trane Communication Interface TCI Module 34 M BACnet Communication Interface BCI Module 34 7 Trane LonTalk Communication Interface LCI Module 35 6 Fa...

Страница 13: ...uests by energizing the proper unit components based on information received from other unit modules sensors remote panels and customer supplied binary inputs It initiates supply fan exhaust fan exhau...

Страница 14: ...or modify the operating parameters Heat Module 1U50 used on heating units The Heat module upon receiving a request for Heating energizes the appropriate heating stages or strokes the Modulating Heati...

Страница 15: ...rd IPCB Optional 1U55 used with the Optional Remote Human Interface The Interprocessor Communication Board expands communications from the rooftop unit UCM network to a Remote Human Interface Panel DI...

Страница 16: ...ontrol CO2 reset The reset function adjust the minimum CFM upward as the CO2 concentrations increase The maximum effective reset setpoint value for fresh air entering the unit is limited to the system...

Страница 17: ...and reversal If a fault is found with the supply voltage a LED on the phase monitor will indicate a fault and a unit External Auto Stop is activated through the controls Multipurpose Module MPM 1U105...

Страница 18: ...the last compressor stage has been turned Off the compressors will be allowed to restart once the evaporator temperature rises 10 F above the coil frost cutout temperature and the minimum three minut...

Страница 19: ...and an automatically resetting diagnostic is set After the return fan is off the Return Pressure Shutdown signal is cancelled The unit will not be allowed to restart within 15 seconds of shutdown Thr...

Страница 20: ...s near the scroll compressors They are designed to open when the discharge pressure approaches 650 10 psig The controls reset automatically when the discharge pressure decreases to approximately 550 1...

Страница 21: ...uring the MWU mode When the MWU setpoint is reached and the heat mode is terminated then the VAV box unocc relay will switch to the occupied mode and the VFD output will be controlled by the duct stat...

Страница 22: ...ignalling the Heat Module 1U50 and the Rooftop Module RTM to Drive the Hydronic Heat Actuator 4U15 to the full open position Turn the supply fan Off Closes the outside air damper Turns On the SERVICE...

Страница 23: ...top Module RTM With the RTM supply fan output energized and the RTM VFD output at 0VDC the fan speed output is 37 22Hz from the VFD by default and at 10VDC the fan speed output is 100 60Hz The control...

Страница 24: ...Supply fan speed during staged heat control will be forced to 100 as on normal CV units Occupied Heating Operation Occupied heating operation has two separate control sequences staged and modulated Al...

Страница 25: ...equipped with heat if the zone temperature falls below the daytime warm up initiate temperature during the occupied mode the system will switch to full airflow During this mode the VAV box unocc relay...

Страница 26: ...red The changeover relay contacts must be open on units with Modulating Heat for the cooling to operate Daytime Warm up On Discharge Temperature Control units equipped with heat if the zone temperatur...

Страница 27: ...heat or cool and the supply fan comes on it will be at full airflow and the VAV boxes in the space will need to be 100 open as signaled by the VAV box unocc relay Supply Air Tempering On Discharge Te...

Страница 28: ...The Space Temperature Averaging with Multiple Sensors figure illustrates a single sensor circuit Single Zone four sensors wired in a series parallel circuit Four Zone nine sensors wired in a series pa...

Страница 29: ...ovide the best possible comfort level for the customer They are mounted in the control panel and are factory wired to their respective internal components They receive and interpret information from o...

Страница 30: ...30 RT SVX36G EN General Information Figure 6 Control Module Locations for S_HL 20 36 Ton Units Figure 7 Control Module Locations for S_HL 40 89 Ton Units...

Страница 31: ...15 days Request an immediate joint inspection of the damage by the carrier and the consignee Do not remove damaged material from the receiving location Take photos of the damage if possible The owner...

Страница 32: ...mensions Weight Information Description Reference Air Cooled Condenser Unit dimensions 20 75 Ton SAHL Figure 9 p 34 Table 4 p 34 Table 5 and Table 6 p 35 Unit dimensions 90 130 Ton Figure 12 p 40 Typi...

Страница 33: ...Hinged 2 10 3 4 Filter Access Door 180 swing Hinged 2 10 3 4 Heater Access Door 180 swing Hinged 2 10 3 4 Supply Fan Access Door 180 swing 90 130 ton Hinged 2 4 1 2 Control Panel Door 180 swing 90 130...

Страница 34: ...ensions A B C D E F G H J 20 25 Ton 21 9 3 4 6 9 7 6 1 2 7 3 1 4 3 9 5 16 12 6 1 7 1 3 1 2 30 Ton 21 9 3 4 6 9 7 6 1 2 7 3 1 4 4 9 5 16 12 6 1 7 1 3 1 2 40 Ton 29 8 6 9 7 6 1 2 7 3 1 4 5 9 5 16 15 11...

Страница 35: ...n 16 1 13 16 2 5 11 3 4 5 7 3 4 3 8 3 1 1 2 5 13 16 32 15 16 7 8 3 16 3 4 60 Ton 16 1 13 16 2 5 1 4 9 16 6 10 7 8 4 5 3 8 4 2 1 2 5 13 16 26 7 16 7 8 3 16 4 5 70 75 Ton 16 1 13 16 2 5 1 4 9 16 6 10 7...

Страница 36: ...1 8 6 1 4 9 40 Ton 32 10 1 2 6 9 7 6 1 2 7 3 1 4 5 9 5 16 15 11 1 8 1 8 2 5 19 7 See Note 8 1 8 6 1 4 9 50 Ton 32 10 1 2 6 9 7 6 1 2 7 3 1 4 6 9 5 16 15 11 1 8 1 8 2 5 19 7 See Note 8 1 8 6 1 4 9 60 T...

Страница 37: ...e AC EC Dimensions A B C D E F G F w exhaust fan w return fan w exhaust fan w return fan w exhaust fan w return fan 20 30 24 36 Ton 16 3 3 16 2 2 1 2 5 13 16 5 7 3 4 3 8 2 9 15 16 5 13 16 6 6 15 16 3...

Страница 38: ...on locations A B 8 16 19 84 Drain Connection 1 1 4 PVC Female Water Supply Connection 3 4 PVC Female D C A B Tons EC Drain Connection Inlet Water Connection A B C D 24 29 36 Ton 60 03 79 31 12 01 12 9...

Страница 39: ...able 10 CPVC dimensional data Unit Size Dimensions Note AC EC Furnace Size MBH Length Height 20 25 24 29 Ton Low 235 195 5 32 9 5 32 High 500 195 5 32 9 5 32 30 36 Ton Low 350 195 5 32 9 5 32 High 500...

Страница 40: ...40 RT SVX36G EN Installation Figure 12 S_HK cooling and heating units 90 130 ton See CPVC Dimensional Table 19 3 8 14 1 4 20 2 1 2...

Страница 41: ...1 55 19 1 4 0 18 11 4 11 17 3 4 0 60 18 6 5 9 17 2 5 7 17 6 5 8 70 18 3 5 10 17 11 5 8 16 4 5 9 75 19 2 5 10 18 10 5 8 17 2 5 9 SFHL 20 15 9 4 10 14 1 4 9 14 7 4 10 25 15 10 4 9 14 2 4 8 14 7 4 9 30 1...

Страница 42: ...855 4210 4355 4564 4355 4283 70 Lb 8604 8666 9146 8666 8516 9547 9609 10089 9609 9459 Kg 3903 3931 4148 3931 3863 4330 4358 4576 4358 4290 75 Lb 8843 9173 9653 9173 9023 9786 10116 10596 10116 9966 Kg...

Страница 43: ...11820 11975 12450 12208 12645 12800 13275 13033 kg 5361 5432 5647 5537 5736 5806 6021 5912 Notes 1 Weights shown for evaporative condensing units include the following features high capacity evaporat...

Страница 44: ...ductwork joining the roof curb are included in the curb instruction booklet Curb ductwork must be fabricated and installed by the installing contractor before the unit is set into place Note For sound...

Страница 45: ...nits do not have base pans in the condenser section Trane roof curbs are recommended If using a non Trane roof curb with right angle return airflow approaches to a return fan inlet a rigid solid flow...

Страница 46: ...around the air handler section which matches the curb 5 Align the base rail of the unit s air handler section with the curb rail while lowering the unit onto the curb Make sure that the gasket on the...

Страница 47: ...RT SVX36G EN 47 Installation Figure 16 Unit rigging Figure 17 Typical unit base and roof curb cross section...

Страница 48: ...d exhaust return fan spring isolators for proper adjustment Verify all discharge and liquid line service valves one per circuit are back seated Main Electrical Power Requirements Verify that the power...

Страница 49: ...rain stubout to a proper condensate drain Requirements for Hot Water Heat SLH_ Route properly sized water piping through the base of the unit into the heating section Install the factory supplied 3 wa...

Страница 50: ...ain 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 c...

Страница 51: ...n the fan assembly rails and the unit s base rail 3 Lower the fan and motor assembly onto the isolators Make sure that the pins at the top of the isolators are engaged in the corresponding holes on th...

Страница 52: ...52 RT SVX36G EN Installation Figure 20 Removing Supply and Exhaust Fan Assembly Shipping Hardware 20 89 Ton Figure 21 Removing Return Fan Assembly Shipping Hardware 20 89 Ton...

Страница 53: ...transducer 3U62 and the outside air sensor is used to control the exhaust fan and dampers to relieve static pressure to within a customer specified parameter within the controlled space On units equi...

Страница 54: ...rackets could result in fan damage Evaporative condensers are shipped with fan shipping brackets to reduce damage caused by vibration during shipment The fan shipping brackets must be removed prior to...

Страница 55: ...of 1 is normally adequate for sump water drain Periodically the sump is emptied and flushed to eliminate accumulated dirt debris and minerals Concentration of these foreign substances will increase as...

Страница 56: ...ematic Duct and Space Static Pressure Control Component Layout O A Sensor Return Plenum Sensing Tube Connects Here Return Plenum If equipped with Return Fan and Statitrac Statitrac Static Reference Tu...

Страница 57: ...sult in incorrect gas pressure This can cause erratic operation due to gas pressure fluctuations as well as damage the gas valve Over sizing the regulator will cause irregular pulsating flame patterns...

Страница 58: ...at the piping is adequately supported to avoid gas train stress Table 16 Sizing Natural Gas Pipe Mains and Branches Gas Input Cubic Feet Hour Gas Supply Pipe Run ft 1 1 4 Pipe 1 1 2 Pipe 2 Pipe 2 1 2...

Страница 59: ...n Valve Actuator Air Damper Actuator Voltage Range VDC Air Damper Actuator Voltage Range VDC Left Coarse Setting Right Fine Setting 500 21 7 10 7 9 7 2 3 1 850 H 6 10 6 8 7 1 3 1 1000 N 5 10 5 8 7 0 9...

Страница 60: ...60 RT SVX36G EN Installation Figure 25 Unit Gas Trains Natural Gas 500 and 850 MBH Figure 26 Unit Gas Trains Natural Gas 1000 MBH...

Страница 61: ...cated in the vertical support for the heat section 5 Butt both flue tube sections together and center the pipe clamp over joint 6 Using the pre punch holes in the flue assembly extension and the verti...

Страница 62: ...ng configuration for the hot water coil Table 20 lists the coil connection sizes Note The valve actuators are not waterproof Failure to protect the valve from moisture may result in the loss of heatin...

Страница 63: ...0 p 36 Following the guidelines listed below will enhance both the installation and operation of the wet heat system Figure 31 and Figure 32 illustrate the recommended piping configurations for the st...

Страница 64: ...0 Steam trap selection should be based on the maximum possible condensate flow and the recommended load factors 11 Install a Float and Thermostatic FT type trap to maintain proper flow They provide gr...

Страница 65: ...RT SVX36G EN 65 Installation Figure 30 Hot Water Piping 90 130 Ton Figure 31 Steam Coil Piping 20 36 Ton...

Страница 66: ...h is open interrupting the main power supply to the unit controls OPEN COVER RESET Turning the handle to this position releases the handle from the disconnect switch allowing the control panel door to...

Страница 67: ...ring 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 be...

Страница 68: ...nt and short circuit conditions in accordance with NEC requirements Protection devices must be sized according to the electrical data on the nameplate Refer to the Power Wire Sizing Protection Device...

Страница 69: ...inside the unit control panel Refer to the customer connection diagram that shipped with the unit for specific termination points 3 Provide proper grounding for the unit in accordance with local and...

Страница 70: ...70 RT SVX36G EN Installation Figure 35 Typical Field Power Wiring 90 130 Ton Figure 36 Customer Connection Wire Range...

Страница 71: ...13 1 98 11 9 84 2 37 3 267 31 8 267 15 9 142 14 5 103 40 48 Hi 4 37 3 267 31 8 267 15 9 142 14 5 103 50 Std 4 41 4 267 35 5 267 18 6 142 15 8 103 50 Hi 2 41 4 267 35 5 267 18 6 142 15 8 103 2 47 304...

Страница 72: ...4 6 10 8 8 4 70 24 6 24 6 10 8 8 4 75 24 6 24 6 10 8 8 4 90 N A N A 14 4 11 2 105 N A N A 18 0 14 0 115 N A N A 18 0 14 0 130 N A N A 21 6 16 8 Motor Horsepower Supply Exhaust Return2 Fan Motor 3 11 0...

Страница 73: ...p Pump Sump Heater Qty HP FLA Qty HP FLA kW FLA 1 5 4 5 9 1 0 5 1 55 3 3 8 Table 25 Electrical service sizing data control power transformer heating and cooling modes 20 130 tons Nominal Tons Air cool...

Страница 74: ...n Units Add 1 Amp 40 60 Ton Units Add 2 Amps 70 75 Ton Units Add 3 Amps 90 130 Ton Units Add 4 Amps Calculation 1 SAH_ SXH_ SLH_ SSH_ and SFH_ Units MCA 1 25 x LOAD 1 LOAD 2 LOAD 4 MOP 2 25 x LOAD 1 L...

Страница 75: ...ect a fuse rating equal to the RDE value If the RDE value does not equal a standard fuse size as listed in NEC 240 6 select the next higher standard fuse rating Note If the selected RDE is greater tha...

Страница 76: ...tic and connection information Controls Using 24 VAC Before installing any connecting wiring refer to Figure 9 p 34 and Figure 10 p 36 for the electrical access locations provided on the unit and Tabl...

Страница 77: ...maximum for each link Must not pass between buildings Constant Volume System Controls Remote Panel w o NSB BAYSENS110 This electronic sensor features four system switch settings Heat Cool Auto and Off...

Страница 78: ...30 for the Temperature vs Resistance coefficient Remote Zone Sensor 5RT16 5U57 and 5U69 BAYSENS016 This bullet type analog Temperature sensor can be used for outside air ambient sensing return air te...

Страница 79: ...the switch Refer to the appropriate illustrations in Figure 34 p 69 or Figure 41 p 89 for the proper connection terminals in the unit control panel The switch must be rated for 12 ma 24 VDC minimum V...

Страница 80: ...ntrolled by S A Pressure Control with supply air pressure high limit disabled Exhaust Return fan ON Exhaust Return dampers Open O A dampers Open Heat All stages OFF Modulating Heat output at 0 VDC Occ...

Страница 81: ...EPRESSURIZE Supply Fan Off Inlet Vanes Closed if equipped Exhaust Return Fan On if equipped Exhaust Return Dampers Open if equipped OA Dampers Closed Heat All heat stages Off staged gas and elec Hydro...

Страница 82: ...M module installed The UCM network relies on various sensors located throughout the system to provide temperature information in the form of an analog input All of the sensors used have the same tempe...

Страница 83: ...but can be field provided installed and used for informational purposes on units without an economizer Refer to the appropriate illustrations in Figure 34 p 69 or Figure 41 p 89 for the proper connec...

Страница 84: ...84 RT SVX36G EN Installation Figure 37 Typical ventilation override binary output wiring diagram for 20 89 ton CV control options Refer to wiring notes on Figure 38...

Страница 85: ...RT SVX36G EN 85 Installation Figure 37 continued from previous page Typical ventilation override binary output wiring diagram for 20 89 ton CV control options Refer to wiring notes on Figure 38...

Страница 86: ...86 RT SVX36G EN Installation Figure 38 Field connection diagram notes for 20 89 ton CV or VAV applications...

Страница 87: ...RT SVX36G EN 87 Installation Figure 39 Typical field wiring diagram for 20 89 ton VAV control option 2307 9177...

Страница 88: ...88 RT SVX36G EN Installation Figure 40 Typical field wiring diagram for 20 89 ton VAV control option...

Страница 89: ...RT SVX36G EN 89 Installation Figure 41 Typical GBAS analog input wiring diagram for 20 89 ton CV VAV control options...

Страница 90: ...VDC 0 5 to 9 5 VDC 50 to 90 F Econ Dry Bulb Enable Setpoint 0 5 to 4 5 VDC 0 5 to 9 5 VDC 50 to 140 F SA_Reheat_Setpoint 0 5 to 4 5 VDC 0 5 to 9 5 VDC 60 to 90 F Minimum Position Setpoint 3 0 5 to 4 5...

Страница 91: ...spring isolators for proper adjustment Verify all discharge and liquid line service valves one per circuit are back seated Main Electrical Power Requirements Verify that the power supply complies wit...

Страница 92: ...t breaker s to the atmosphere or merge with return main at discharge side of steam trap Position the steam trap discharge at least 12 below the outlet connection on the coil Use float and thermostatic...

Страница 93: ...y once supply fan proving has been made Note that the compressor staging order will be based on unit configuration and compressor lead lag status Once the Tset calculation has reached its bottom limit...

Страница 94: ...switch input must be closed prior to continuing with Rapid Restart Once the supply fan proving switch input has closed the unit will consider the outside air temperature to determine whether economizi...

Страница 95: ...point Units with Return Fan The return fan is started once the supply fan is verified ON by the supply fan proving function If equipped the variable speed return fan is modulated to control return ple...

Страница 96: ...ad Lag is enabled each time the system cycles after having stages 1 and 2 On Stage 2 K11 on SCM or K3 on MCM and the corresponding condenser fan output 2A will start first The compressor module cycles...

Страница 97: ...r level will be controlled by the mechanical float valve If the maximum level float ever closes an information only diagnostic is set and the fill solenoid is de energized This is an indication that t...

Страница 98: ...able to keep the water in the sump when unit power is off to avoid unnecessarily wasting water whenever the unit disconnect is turned off To convert the unit to Hold During Unit Power Loss Conditions...

Страница 99: ...es nominal level Once level is achieved de energize fill solenoid Open drain valve and time how long it takes for the water level to drop one inch make sure to take into account the closing time of th...

Страница 100: ...asked for the calibration key code hit the UP UP UP DOWN arrow keys in sequence Chemical Water Treatment Tree The Trane evaporative condenser comes with a PVC tree to allow easier inputs for third par...

Страница 101: ...usly to return to normal operating mode Procedure to set purge setpoints on the conductivity controller Note Visit this webpage for additional documentation http www gfsignettools com products pdf 886...

Страница 102: ...ncing time delay relay 4DL6 and the combustion blower relay 4K33 is de energized The system will purge and attempt to relight the pilot If a flame is not detected after this attempt the Honeywell igni...

Страница 103: ...afety interlock system With all these conditions satisfied the IC board energizes and initiates an internal 60 second pre purge time delay When the pre purge period expires 4U18 energizes both the ign...

Страница 104: ...ated with the modulating valve actuator 4U15 and the freezestat 4S12 Like the furnaces described earlier SL SH control systems are wired to ensure that simultaneous heating and cooling do not occur Th...

Страница 105: ...mbient option with HGBP 10 F Note To prevent compressor damage due to no refrigerant flow do not pump the system down with the compressor s below 25 PSIG under any circumstance Check the supply fan be...

Страница 106: ...f the phasing is correct open the disconnect switch or circuit protection switch and remove the phase sequence indicator Voltage Supply and Voltage Imbalance Voltage Supply Electrical power to the uni...

Страница 107: ...s of the supply power measured 221 230 and 227 the average volts would be VD reading farthest from average 221 The percentage of Imbalance equals The 2 2 imbalance in this example exceeds the maximum...

Страница 108: ...F OFF OFF 1A Off 1B Off OFF OFF OFF K11 Off K3 Off K12 Off K4 On 2A On 2B Off 115 130 Ton 1A 1B OFF OFF OFF 1A Off 1B On OFF OFF OFF K11 Off K3 Off K12 On K4 Off 2A Off 2B Off 2A 2B OFF OFF OFF 1A Off...

Страница 109: ...OFF 1A Off 1B Off OFF OFF OFF OFF OFF OFF OFF 2A Off 2B On 130 Ton Air Cooled 1A 2B3 2B14 OFF OFF OFF 1A On 1B Off OFF OFF OFF OFF OFF OFF OFF 2A Off 2B Off 1B 2B1 2B2 2B19 2B20 OFF OFF OFF 1A Off 1B...

Страница 110: ...LATING ON ON OFF ALL OFF 33 Select OFF OFF OFF OFF Low Fire Adjustment ELECTRIC HEAT ON ON OFF ALL OFF ON ON ON OFF OFF OFF OFF Stage 1 ON ON OFF ALL OFF ON OFF OFF OFF OFF OFF OFF Stage 2 ON ON OFF A...

Страница 111: ...OFF OFF 2B 2B5 Closed Closed 0 Default OFF OFF OFF OFF 50 Ton 1A 2B1 Closed Closed 0 Default OFF OFF OFF OFF 1B 2B2 2B3 Closed Closed 0 Default OFF OFF OFF OFF 2A 2B4 Closed Closed 0 Default OFF OFF...

Страница 112: ...OFF OFF Open REHEAT Cooling Valve Closed Closed 0 Default 100 0 OFF OFF OFF Reheat Valve Closed Closed 0 Default 0 100 OFF OFF OFF Pumpout Solenoid Closed Closed 0 Default ON OFF OFF OFF EVAP COND Su...

Страница 113: ...e test Remember that the delay designated in step 6 must elapse before the fans will begin to operate 8 Check the supply fan and the exhaust fans if equipped for proper rotation The direction of rotat...

Страница 114: ...AV units do not utilize a Fan selection input 2 Close the disconnect switch or circuit protector switch that provides the supply power to the unit s terminal block 1TB1 or the unit mounted disconnect...

Страница 115: ...to designate the delay before the test is to start This service test will begin after the TEST START key is pressed and the delay designated in this step has elapsed Press the ENTER key to confirm th...

Страница 116: ...ressure Drops to assist in calculating a new fan drive if the CFM is not at design specifications iv Plug the holes after the proper CFM has been established 9 Press the STOP key at the Human Interfac...

Страница 117: ...essure is less than design and airflow is too high If the amperage is below the motor nameplate value static pressure may be too high and CFM may be too low To determine the actual CFM 5 a Measure the...

Страница 118: ...etpoint determination 1 Open the Human Interface access door located in the unit control panel and press the SERVICE MODE key to display the first service screen Refer to the latest edition of the app...

Страница 119: ...Unit 4 0 w c 90 80 70 1700 RPM 1600 RPM 1500 RPM 1400 RPM 1300 RPM 1200 RPM 1100 RPM 1000 RPM 900 RPM 800 RPM 700 RPM 600 RPM 500 RPM 15 HP 10 HP 7 5 HP 5 HP 3 HP 20 HP Figure 50 30 36 ton supply fan...

Страница 120: ...P Maximum RPM 7 5 15 HP 1141 20 30 HP 1170 Maximum CFM 40 18 000 50 22 500 Maximum Static Pressure Leaving the Unit 4 0 w c 90 80 55 24 750 Figure 52 60 75 73 89 ton supply fan performance 0 0 0 5 1 0...

Страница 121: ...0 20000 30000 40000 50000 60000 0 1 2 3 4 5 6 7 8 9 4 0 W O C F M 5 0 W O C F M 6 0 W O C F M 90 WOCFM 80 W OCFM 7 0 W O C F M 1 0 0 H P 7 5 H P 6 0 H P 5 0 H P 4 0 H P 3 0 H P 2 5 H P 2 0 H P 1600 RP...

Страница 122: ...SVX36G EN Unit Start Up Pressure Drop Tables Figure 54 Wet airside pressure drop at 0 075 lb cu ft 20 89 ton evaporator coil Figure 55 Dry airside pressure drop at 0 075 lb cu ft 20 89 ton evaporator...

Страница 123: ...0 075 lb cu ft 20 130 Ton Airside Pressure Drop Inches H 2 0 Unit Airflow CFM 4000 6000 800010000 20000 40000 60000 Figure 57 Dry airside pressure drop at 0 075 lb cu ft 90 130 ton evaporator coil 0 1...

Страница 124: ...11 05 11 04 04 02 37 31 01 03 0 02 10000 0 27 0 36 14 11 0 11 13 16 08 16 06 06 02 49 43 02 03 0 03 12000 0 36 0 48 20 15 0 16 17 22 11 21 08 08 03 61 56 04 07 0 05 40 48 16000 0 57 0 73 34 26 0 29 28...

Страница 125: ...eating System Filters Std Roof Econ w or w out Exhaust Throwaway Perm Wire Bag and Prefilter Cartridge and Prefilter Dry Wet Dry Wet SFHL SEHL SLHL SSHL Std High Low High All kW Low High Low High 90 2...

Страница 126: ...16000 0 56 7500 0 3 20000 0 88 10000 0 55 24000 1 27 11000 0 67 28000 1 73 12500 0 85 30000 1 99 14000 1 08 70 80 12000 0 31 30 36 6000 0 19 16000 0 56 9000 0 44 20000 0 88 12000 0 79 22000 1 05 14000...

Страница 127: ...9 7 86 874 8 89 16000 537 4 55 592 5 35 636 6 00 683 6 74 735 7 64 783 8 53 831 9 47 880 10 48 50 55 59 9000 362 1 09 449 1 57 536 2 16 618 2 84 689 3 52 753 4 24 812 4 99 867 5 77 12000 435 2 19 496...

Страница 128: ...0 88 765 1 11 830 1 34 886 1 54 4000 529 0 76 592 0 86 654 1 03 728 1 29 797 1 51 861 1 77 919 2 05 5000 623 1 32 687 1 56 735 1 67 778 1 79 836 2 13 896 2 45 953 2 72 6000 722 2 13 779 2 47 830 2 72...

Страница 129: ...rformance Cfm Negative Static Pressure In W G Nom Std 0 250 0 500 0 750 1 000 1 250 1 500 1 750 2 000 2 250 2 500 Tons Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM B...

Страница 130: ...58 3 17 1299 3 62 1337 4 07 1373 4 52 1408 4 96 10000 1186 2 20 1228 2 60 1269 3 04 1307 3 50 1347 3 97 1384 4 45 1419 4 91 1454 5 38 10500 1241 2 50 1280 2 92 1321 3 37 1357 3 85 1395 4 34 1432 4 85...

Страница 131: ...402 5 51 1435 6 18 1466 6 87 1496 7 57 1525 8 28 1553 9 01 1580 9 74 1606 10 47 16500 1444 6 00 1476 6 69 1506 7 40 1535 8 12 1564 8 85 1591 9 58 1617 10 34 1643 11 10 17000 1486 6 52 1517 7 23 1547 7...

Страница 132: ...619 2 70 652 3 39 682 4 09 712 4 82 740 5 57 767 6 34 794 7 14 17000 615 2 30 650 3 05 681 3 78 710 4 52 739 5 28 766 6 06 792 6 85 818 7 67 18000 646 2 64 680 3 43 711 4 20 739 4 98 766 5 78 792 6 60...

Страница 133: ...o display the first service screen Refer to the latest edition of the applicable programming manual for CV or VAV applications for the SERVICE TEST screens and programming instructions 5 Use Table 35...

Страница 134: ...ock nut on the drive rod against the swivel Turn the swivel in or out to shorten or lengthen the rod as necessary For some holes both ends of the rod may need to be adjusted 16 Tighten the lock nut ag...

Страница 135: ...04 0 12 0 25 0 35 1 05 8000 0 03 0 05 0 11 0 21 0 30 0 90 18000 0 19 0 21 0 32 0 52 0 75 1 75 10000 0 15 0 19 0 26 0 43 0 62 1 50 22000 0 45 0 51 0 70 1 05 1 57 11000 0 20 0 25 0 37 0 60 0 85 1 85 260...

Страница 136: ...ttach a set of service gauges onto the suction and discharge gauge ports for each circuit Refer to Figure 59 p 139 for the various compressor locations Compressor Start Up All Systems 1 Ensure that th...

Страница 137: ...reen Refer to the latest edition of the programming manual for CV or VAV applications for the SERVICE TEST screens and programming instructions 3 Use Table 35 p 108 to program the following system com...

Страница 138: ...vice capable of detecting phase reversal phase loss and phase unbalance The compressor protection device uses a Green and Red LED to indicate the compressor status A solid Green LED denotes a fault fr...

Страница 139: ...vibration during shipment The shipping support brackets must be removed prior to unit startup See To remove shipping brackets p 140 and Figure 60 p 141 for removal instructions Verify that inlet water...

Страница 140: ...bolt in the middle of the door Keep the bolt in a safe place 4 Lift one door with handle until it touches the top Swivel bottom of door to remove it from the door opening and set it to the side 5 Slid...

Страница 141: ...re 60 Fan shipping bracket removal Figure 61 Float bracket setting Mist Eliminator Fan Shipping Bracket Screws Fan Shipping Bracket Access Doors Inlet Louvers Actuator Side Fill sump so float shuts of...

Страница 142: ...r 4 Plot the outdoor dry bulb temperature and the operating suction pressure psig onto the chart 5 At the point of intersection read to the left for the discharge pressure The measured discharge press...

Страница 143: ...and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300 350 400 450 500 550 90 100 110 120 130 140 150 160 170 180 Suction Pressur...

Страница 144: ...and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300 350 400 450 500 550 90 100 110 120 130 140 150 160 170 180 Suction Pressur...

Страница 145: ...rs and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300 350 400 450 500 550 90 100 110 120 130 140 150 160 170 180 Suction Press...

Страница 146: ...ssors and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 200 250 300 350 400 450 90 100 110 120 130 140 150 160 170 180 Suction Pressu...

Страница 147: ...ssors and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 200 250 300 350 400 450 90 100 110 120 130 140 150 160 170 180 Suction Pressu...

Страница 148: ...sors and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 200 250 300 350 400 450 90 100 110 120 130 140 150 160 170 180 Suction Pressur...

Страница 149: ...sors and condenser fans On COOLING CYCLE PRESSURE CURVE 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 200 250 300 350 400 450 90 100 110 120 130 140 150 160 170 180 Suction Pressur...

Страница 150: ...COOLING CYCLE PRESSURE CURVE 90 Ton Standard Capacity 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300 350 400 450 500 550 90 100 110 120 130 140 150 160 170 180 Suction Press...

Страница 151: ...COOLING CYCLE PRESSURE CURVE 90 Ton High Capacity High Efficiency 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300 350 400 450 500 550 90 100 110 120 130 140 150 160 170 180 S...

Страница 152: ...0 130 140 150 160 170 180 Suction Pressure PSIG Discharge Pressure PSIG COOLING CYCLE PRESSURE CURVE 115 Ton Standard Capacity 95 F Ambient 85 F Ambient 75 F Ambient 65 F Ambient 105 F Ambient 250 300...

Страница 153: ...heat only in the cooling mode of operation Charging by Subcooling The outdoor ambient temperature must be between 65 and 105 F and the relative humidity of the air entering the evaporator must be abov...

Страница 154: ...is below the recommended operating temperatures Damper Installation When a unit is ordered with the low ambient option i e Digit 19 is a 1 in the model number a damper is factory installed over the co...

Страница 155: ...5 Use Table 35 p 108 to program the following system components for operation by scrolling through the Human Interface displays Electric Heat Supply Fan On Variable Frequency Drive 100 Output if appli...

Страница 156: ...nce shutdowns Two Stage Gas Furnace High Fire Adjustment 1 Use Table 35 p 108 to program the following system components for operation by scrolling through the Human Interface displays Gas Heat Supply...

Страница 157: ...ceeding the listed range indicates incomplete combustion due to inadequate air or excessive gas Combustion Air Adjustment O2 7 Use an oxygen analyzer and measure the percentage of oxygen in the flue g...

Страница 158: ...5 100 8 5 9 5 3 0 3 5 Low Fire 117 50 6 0 7 0 0 9 High Fire 350 100 8 5 9 5 3 0 3 5 Low Fire 175 50 6 0 7 0 0 9 High Fire 500 100 8 5 9 5 3 0 3 5 Low Fire 250 50 6 0 7 0 1 25 High Fire 850 100 8 5 9 5...

Страница 159: ...ture Control units Zone Temperature Control units have two sensors one located in the supply air stream and the zone sensor The temperature sensor signal is sent to the Heat module of the IntelliPak U...

Страница 160: ...ined shape and is primarily 75 blue in color with an orange tip 5 Check the inlet gas pressure at the modulating gas valve The inlet pressure should be 6 to 8 w c 6 Use a carbon dioxide analyzer and m...

Страница 161: ...to the nameplate rating of the unit The turn down ratios therefore is limited to 3 1 Heat Exchanger The heat exchanger drum tubes and front and rear headers utilities the same materials as the standar...

Страница 162: ...ent and indication of the air to gas ratio 2 Adjustment and indication of the bias 3 Connection for the Ambient compensation line 4 Connection for the gas pressure sensing line 5 Connection for the ai...

Страница 163: ...panel if applicable for proper unoccupied operation Refer to the programming instructions for the specific panel 6 Verify that the Remote panel System selection switch Fan selection switch and Zone Te...

Страница 164: ...drain lines and traps installed properly Remove electrical access panel fastened by 9 bolt screws or open access doors Verify unit is grounded Confirm a ground wire is coming from power source Verify...

Страница 165: ...ure in IOM Hot Water Heat If Applicable Verify hot water pipes are proper size routed through the base and no leaks are present Verify swing joints or flexible connectors are installed next to hot wat...

Страница 166: ...gion 7 Supply Air Temperature Control Setpoint 8 F Supply Air Temperature Deadband 55 F Supply Air Pressure Setpoint 1 8 w c Supply Air Pressure Deadband 0 1 w c Building Static Pressure Setpoint 0 03...

Страница 167: ...lves oil valves and liquid lines valves open back seated All fan belts tensioned bearings greased and sheaves in alignment Verify supply and exhaust fan pulley bolts are tight Verify fans rotate freel...

Страница 168: ...urn branch line Verify three way modulating valve is installed with valve seating against the flow Verify coil venting is installed if water velocity is less than 1 5 feet per second Steam Water Heat...

Страница 169: ...band 0 04 w c Standby Freeze Avoidance 20 Exhaust Enable Setpoint 10 Economizer Minimum Position Setpoint 10 Fixed Dry Bulb Economizer C O Type a Moist TOA 65 F TOA 65 F TOA 65 F TOA 65 F TOA 70 F TOA...

Страница 170: ...interior is free from debris obstructions etc All unit drain lines and traps installed properly Remove electrical access panel fastened by 9 bolt screws or open access doors Verify unit is grounded Co...

Страница 171: ...IOM Hot Water Heat If Applicable Verify hot water pipes are proper size routed through the base and no leaks are present Verify swing joints or flexible connectors are installed next to hot water coi...

Страница 172: ...band 0 04 w c Standby Freeze Avoidance 20 Exhaust Enable Setpoint 10 Economizer Minimum Position Setpoint 10 Fixed Dry Bulb Economizer C O Type a Moist TOA 65 F TOA 65 F TOA 65 F TOA 65 F TOA 70 F TOA...

Страница 173: ...RT SVX36G EN 173 Startup Checklists Figure 88 Dry bulb changeover map...

Страница 174: ...function N C timed to close 60 seconds 60 seconds 60 seconds 20 Note The combustion airflow switch 4S25 differential is 0 02 0 08 wc Table 60 Compressor circuit breakers 1CB8 1CB11 electrical characte...

Страница 175: ...RT SVX36G EN 175 Maintenance Figure 89 Unit internal fuse replacement data for air handling units...

Страница 176: ...Type Prefilters c The same Panel Type Prefilters are used with Bag Type and Cartridge box type filters Table 62 Wet heat coil fin data Unit Model AC EC Coil Type Coil Rows Total Coil Face Area sq ft F...

Страница 177: ...Std Cap 59 3 6 148 1 2 Enhanced 152 4 144 3 8 Smooth NA NA Table 64 Refrigerant coil fin data continued Condenser Coil Evaporator Coil Aluminum Fins Copper Fins Tonnage Size ft2 Rows Fin Series Tube D...

Страница 178: ...the first 2 to 3 days of operation Belt tension will decrease rapidly until the new belts are run in Table 65 Belt tension measurement and deflection ranges Belts Cross Section Small P D Range Deflec...

Страница 179: ...e Storage Due to the reduced capacity of the microchannel condenser coil compared to the round tube plate fin evaporator coil pumping refrigerant into the condenser coil to service the refrigerant sys...

Страница 180: ...ates that an abnormal condition has occurred If the oil is dark and smells burnt it has overheated because of compressor operating at extremely high condensing temperatures high superheat a compressor...

Страница 181: ...o not use POE oil from a previously opened container Also discard any excess oil from the container that is not used CSHN Compressors 75 89 130 Ton CSHN compressors have an oil drain valve See Figure...

Страница 182: ...interchange any two leads to check the internal motor phasing Precision Suction Restrictor Tandem manifold compressors that have unequal capacity sizes utilize a precision suction restrictor to balanc...

Страница 183: ...eplate rating must be used Do not use the unit name plate values WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run cap...

Страница 184: ...ERMINAL BLOCK 1TB1 OR UNIT DISCONNECT SWITCH 1S14 3 To modify parameters a Press Main Menu button press Back button if the main menu does not display b Use the and buttons to find the parameter menu g...

Страница 185: ...t switch open Filters Inspect the return air filters Clean or replace them if necessary Refer to the Table 61 p 176 for filter information Cooling Season Check the unit s drain pans and condensate pip...

Страница 186: ...indicate a refrigerant shortage measure the system superheat and system subcooling For guidelines refer to Charging by Subcooling Important Do NOT release refrigerant to the atmosphere If adding or r...

Страница 187: ...en if the unit is located in a dirty environment clean the evaporator microchannel condenser and reheat coils using the instructions outlined below Be sure to follow these instructions as closely as p...

Страница 188: ...ed in Step 1 then restore power to the unit 10 For evaporator and reheat coils use a fin comb to straighten any coil fins which were inadvertently bent during the cleaning process Microchannel Condens...

Страница 189: ...d restrictions must be followed in any given locality Traditional Bleed Method ASHRAE recommendation for continuous bleed rates With good quality makeup water the bleed rates 0 8 2 GPH ton may be as l...

Страница 190: ...hosed out using hose bib provided at water fill solenoid valve Vacuuming scale out is an alternate method Sump Float Switch Inspect 1 2 times per year Float should be free for full float travel Sump F...

Страница 191: ...ing servicing These slots are to be used with fall restraint equipment that will not allow an individual to reach the unit edge However such equipment will NOT prevent falling to the ground for they a...

Страница 192: ...you may find it helpful to record the unit data in the blanks provided Complete Model Number Unit Serial Number Unit DL Number Design special units only Wiring diagram numbers from unit control panel...

Страница 193: ...isch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F C Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F C ok low ok low ok low ok...

Страница 194: ...Power Schematic Evap Cooled w Exh Ret VFD 2313 1010 29 Power Schematic Evap Cooled w Sup Exh Ret VFD 2307 9110 20 75 Schematic Rooftop Module Standard 2307 9184 90 130 Schematic Rooftop Module Standar...

Страница 195: ...mon Control Modules w Supply Fan VFD 2307 9160 20 30 Connections Common Control Modules w Exhaust Return VFD 2307 9164 40 75 Connection Unit Control Modules w Exhaust Return VFD 2307 9201 90 130 Conne...

Страница 196: ...8935 30 75 Schematic Electric Heat 200V 7 Circuit 2306 8934 90 130 Schematic Electric Heat 460 575V 6 Circuit 190 KW 2307 2171 20 75 Connection Electric Heat 460 575V 2 Circuit 3 or 1 Step 2307 2172 2...

Страница 197: ...rigerant No liability whatever shall attach to the Company until said products have been paid for and then said liability shall be limited to the purchase price of the equipment shown to be defective...

Страница 198: ...an location 115 condensing temperature 20 condensing temperature rises above the lower limit 20 Conductivity Controller 100 Connection Sizes 63 Connection sizes for hot water and steam coil 63 Constan...

Страница 199: ...er and Drain Line Installation 55 Manual Motor Protectors 19 Microchannel Coil Repair and Replacement 188 Minimum Position Potentiometer 79 Model Number Descriptions 9 Modulating Dehumidification Modu...

Страница 200: ...heck vacuum breaker 64 SZVAV 18 23 25 26 93 T Temperature vs Resistance Coefficient 82 Thermostatic Expansion Valves 137 152 Trane Communication Interface 22 Transducer 21 Traq Sensor 95 TraqTM Sensor...

Страница 201: ...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 rig...

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