Trane Performance Climate Changer PSCA Installation, Operation And Maintenance Manual Download

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Table of Contents

CLCH-SVX013B-EN

Humidifier Piping and Connections

. . . . . 49

Remodel, Retrofit, or Replacement

. . . . . . 49

Field-Installed Evaporator Piping

. . . . . . . 51

Installation - Electrical

. . . . . . . . . . . . . . . . . . . 56

Quick Connects

. . . . . . . . . . . . . . . . . . . . . . . 57

Typical Wiring Schematics

. . . . . . . . . . . . . 59

Controls Interface

. . . . . . . . . . . . . . . . . . . . . . . 62

Connecting the operator display

. . . . . . . . 62

Calibrating the operator display

. . . . . . . . 62

Adjusting Brightness and Contrast . . . . . 62

External communications port

. . . . . . . . . 62

Start-Up

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Pre-Startup Checklist

. . . . . . . . . . . . . . . . . . 64

General Checks . . . . . . . . . . . . . . . . . . . . . 64

Fan-Related Checks . . . . . . . . . . . . . . . . . 64

Coil-Related Checks . . . . . . . . . . . . . . . . . 64

Motor-Related Checks . . . . . . . . . . . . . . . 65

Unit Operation

. . . . . . . . . . . . . . . . . . . . . . . 65

Calculate Motor Voltage Imbalance . . . . 65

VFD Programming Parameters . . . . . . . . 65

Airflow Measuring Systems

. . . . . . . . . . . . 67

Traq™ Dampers . . . . . . . . . . . . . . . . . . . . 67

Fan Inlet Airflow Measuring System . . . 69

Constant K Factor

. . . . . . . . . . . . . . . . . . . . . 70

External Insulating Requirements

. . . . . . . 71

Routine Maintenance

. . . . . . . . . . . . . . . . . . . 72

Maintenance Checklist

. . . . . . . . . . . . . . . . 72

Cleaning the Unit

. . . . . . . . . . . . . . . . . . . . . 72

Cleaning Non-Porous Surfaces . . . . . . . . 72

Cleaning Porous Surfaces . . . . . . . . . . . . 73

Coils

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Steam and Water Coils . . . . . . . . . . . . . . 73

Refrigerant Coils . . . . . . . . . . . . . . . . . . . . 74

Coil Winterization . . . . . . . . . . . . . . . . . . . 74

Moisture Purge Cycle . . . . . . . . . . . . . . . . 75

Drain Pans

. . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Fans

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Inspecting and Cleaning Fans . . . . . . . . . 76

Motor Bearing Lubrication . . . . . . . . . . . 76

Fan Motor Inspection . . . . . . . . . . . . . . . . .76

Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Throwaway Filters . . . . . . . . . . . . . . . . . . .76

Permanent Filters . . . . . . . . . . . . . . . . . . . .76

Cartridge or Bag Filters . . . . . . . . . . . . . . .76

Moisture Eliminator

. . . . . . . . . . . . . . . . . . . .77

Ultraviolet (UV) Light Maintenance

. . . . . .77

Cleaning the Bulbs . . . . . . . . . . . . . . . . . . .77

Replacing the Bulbs . . . . . . . . . . . . . . . . . .77

Disposal of Bulbs . . . . . . . . . . . . . . . . . . . .77

Troubleshooting

. . . . . . . . . . . . . . . . . . . . . . . . .79

Summary of Contents for Performance Climate Changer PSCA

Page 1: ...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...

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

Page 3: ...ations supersede these policies Non Trane personnel should always follow local regulations Introduction CLCH SVX013B EN 3 Copyright This document and the information in it are the property of Trane an...

Page 4: ...Skid 17 Ceiling Suspension 17 Shipping Gussets 18 Section to Section Assembly 18 Pipe Cabinet Installation 22 Hood Installation 24 Stacked Outdoor Unit Assembly 25 External Raceway Assembly 30 Seismic...

Page 5: ...Imbalance 65 VFD Programming Parameters 65 Airflow Measuring Systems 67 Traq Dampers 67 Fan Inlet Airflow Measuring System 69 Constant K Factor 70 External Insulating Requirements 71 Routine Maintena...

Page 6: ...label which identifies the type of section and functional components customer tagging information theunitserialnumber theunitordernumber the build section position for installation and the unit model...

Page 7: ...uators dirty filter switches averaging temperature sensors and low limit switches VFDs controllers control transformers static pressure transducers DC power supplies and customer interface relays will...

Page 8: ...rally provided for field installation of high and low voltage wiring through a pipe nipple connection in the unit depending on unit configuration with or without factory mounted controls Before instal...

Page 9: ...ls are present If any component is missing contact your local Trane sales office Check all units components connections and piping Check fan wheel for free rotation by spinning manually Check all door...

Page 10: ...it condensate drainage and result in flooding the unit and or equipment room NOTICE Microbial Growth The floor or foundation must be level and the condensate drain at the proper height for proper coil...

Page 11: ...erational clearances 3 Remove any twist within the curb due to roof supports and square the curb 4 Level the curb 5 Secure the curb to the roof support members 6 Install2 inchthickboardsorrigidinsulat...

Page 12: ...48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 E fan 54 54 54 60 60 60 66 66 66 66 70 70 77 77 77 77 93 93 101 101 101 101 101 Notes At a minimum the above clearance dimensions are recom...

Page 13: ...distribution block and enclosure Motor Weights Fan weights provided in this manual include the heaviest ODP open drip proof motor In the case of motorized impellers fan weights include the packaged m...

Page 14: ...t weights are provided in Dimensions and Weights p 12 Refer to the unit submittals for actual section weights Test the unit for proper balance before lifting For outdoor air handlers preparation of th...

Page 15: ...uspending more than one module subassembly at a time could result in module subassemblies dropping and crushing technicians which could result in death serious injury or equipment damage Figure 7 Lift...

Page 16: ...end modules subassemblies one at a time Placing assembling and or suspending more than one module subassembly at a time could result in module subassemblies dropping and crushing technicians which cou...

Page 17: ...ting legs for ceiling suspension external isolation or unit support during module placement Mounting legs are designed only to secure the unit to the floor housekeeping pad or platform Improper use of...

Page 18: ...splits the gussets can be removed after they are joined The exception to this rule is for stacked units where the first level is greater than 65 inches external height For these units the gussets shou...

Page 19: ...Butyl tape Figure 18 Coil section to downstream section bolt up with splash guard Outdoor units Butyl tape 0 375 in T x 0 375 in W Indoor units wider than 110 in add additional layer of Butyl tape 0...

Page 20: ...e mating subassembly If it is not raise one end of the subassembly and bring the unit together See Figure 23 11 Due to unlevel floor and platforms the roof may be misaligned as shown in Figure 23 A co...

Page 21: ...its together Only one set of wedge blocks is shipped with each unit Once the shipping split has been assembled remove the wedge blocks and use for the next shipping split Figure 26 Shipping split asse...

Page 22: ...roof strip Cover end of upturned roof flange with field supplied foil tape Butyl tape Seam cap See Detail C One or two piece seam cap provided based on unit width 16 For outdoor units a wide roof str...

Page 23: ...l White Butyl tape 375 in X 375 in Cabinet Detail White Butyl tape 375 in X 375 in Installation Mechanical CLCH SVX013B EN 23 1 Install inside corner cap See Figure 29 Detail A and Detail B 2 Install...

Page 24: ...st the unit See Figure 29 Detail D Pipe Cabinet to be Attached to Unit Base Bracket 1 Lift pipe cabinet into place on roof curb 2 Slide pipe cabinet into place 3 Put threaded rod through pipe cabinet...

Page 25: ...313 18 x 0 875 sheet metal 13 Guard Flashing seam cover 4 Screw 10 16 x 0 750 self driller 14 Adhesive sealant Flex polyurethane 5 Tape Butyl 0 38T 15 Bracket Hood support 6 Tape Ribbed Butyl 16 Angle...

Page 26: ...second level see Detail B and runs up to the top of the second level wall panel 2 Secure vertical seam cap Item 7 over ribbed Butyl tape Item 6 with screws Item 4 see Detail A First level vertical se...

Page 27: ...ing Item 12 and secure to base rails with screws Item 4 Start at corners to ensure tight corner seams Apply caulk Item 14 to create water tight seal see Detail A and Detail C in Figure 35 3 Install se...

Page 28: ...4 Screw 10 16 x 0 750 self driller 13 Guard Flashing seam cover Note Install flashing seam cover on all flashing seams 4 Screw 10 16 x 0 750 self driller 13 Guard Flashing seam cover Installation Mech...

Page 29: ...ms on split roof panels and where roof strip meets second level unit 8 Tape 0 012T x 1 00W gray Butyl 9 Flashing 4 Screw 10 16 x 0 750 self driller Roof strip outdoor 4 Screw 10 16 x 0 750 self drille...

Page 30: ...ler 8 Tape 0 12T x 1 00W gray Butyl 9 Guard perpendicular to airflow flashing Apply caulk 14 Adhesive sealant flex polyurethane 15 Bracket hood support 16 Angle hood support 17 Screw 0 250 14 x 0 750...

Page 31: ...f driller Step 5 Seismic Application Requirements Air handling equipment manufactured by Trane is capable of structurally and operationally withstanding the seismic response criteria as required by th...

Page 32: ...all clips at ship splits with a stacked section at 36 inches maximum on center spacing Install clips at single level ship splits containing fans or coils at 48 inches maximum on center spacing 3 1 4 i...

Page 33: ...onal anchoring may be needed If so anchors will be provided and installed ontheunit Anexample of aseismic anchor is shown in Figure 43 Anchor selection meets or exceeds IBC 2000 2003 2006 2009 2012 an...

Page 34: ...cane certification guidelines See Figure 45 1 Remove the fasteners from the top of the nested U channel 2 Remove the U channel from the unit base L angle and the pipe cabinet base L angle 3 Remove the...

Page 35: ...ipe base L angle and reinstall the top U channel to the nest see Step 1 Figure 45 7 When the L angle interferes with the unit base rail lifting lugs or splice plate mark and cut L angle section to cle...

Page 36: ...n be configured as either draw thru or blow thru Review the submittals and unit tagging information prior to assembly to determine placement WARNING Hazardous Service Procedures The maintenance and tr...

Page 37: ...oling coils Final Filter Section A final filter section should not be bolted directly to the face of a fan section One or more intermediate sections must be placed between the fan discharge and the fi...

Page 38: ...per Connections Standard damper sections include mixing sections filter mixing sections face dampers sections and internal face and bypass sections There are two damper blade configurations available...

Page 39: ...wall Unit floor Building roofing and structure may vary per job Unit base 7 25 inches 1 in flange 16 ga Figure 54 Field supplied duct connection details pier mount for outdoor units Gasket Supply ope...

Page 40: ...ng extends through the casing by one inch Figure 55 Securing round duct to casing over bell mouth outlet 1 inch Bell mouth outlet nominal diameter 1 inch Round duct Angle ring Airflow Figure 56 Securi...

Page 41: ...the duct is lined it is important the insulation does not obstruct the opening of the section Figure 58 Typical duct flat flange end of unit EOU connection uninsulated Unit section End of unit Panel...

Page 42: ...they must be field installed or ordered as specials from the factory Pipe coils counterflow to airflow When attaching the piping to the coil header make the connection only tight enough to prevent le...

Page 43: ...tion See Table 10 for the codes of system components in these figures The coil condensate return line must be piped full size of the condensate trap connection except for a short nipple screwed direct...

Page 44: ...ailure to follow these instructions could result in equipment damage Proper steam trap installation is necessary for satisfactory coil performance and service life For steam trap installation 1 Instal...

Page 45: ...top of the coil vent from the top of the return header horizontally to the return piping Note TT coils are designed with larger than normal end tube sheet holes to allow for maximum expansion Air lea...

Page 46: ...schematics of evaporator piping Figure 64 Example of placement for split system components Discharge line Manual ball valve Access port Filter Access port Access port Filter drier with access port Man...

Page 47: ...tant volume applications when dehumidification is a concern In split systems with mircochannel heat exchanger condensers MCHE solenoid valves isolate the refrigerant from the evaporator during the off...

Page 48: ...r For this reason the suction filter should be the replaceable core type and a clean core should be installed after the system is cleaned up Access port The access port is used to determine suction pr...

Page 49: ...pumped On many applications an attempt to lift condensate even a few inches will lead to potential flooding or spitting problems from the multiple tube bank Avoid master trapping the two connections t...

Page 50: ...ss lines 1 3 8 OD and smaller of type L copper are suitable for use with R 410A These same lines sized at 1 5 8 OD or 2 1 8 OD must use type K or thicker wall Expansion valves need to be reselected Ex...

Page 51: ...ilter drier Solenoid valve Sight glass Distributor Suction line Evaporator Coil with Intertwined Circuiting 1 Pitch the liquid line slightly 1 inch 10 feet so the refrigerant drains toward the evapora...

Page 52: ...e to the requirement that the refrigerant gas leaving the coil flows downward past the lowest suction header outlet before turning upward Use the double elbow configuration to isolate the TXV bulb fro...

Page 53: ...Slightly pitch the outlet line from the suction header towardthesuction riser 1 inch 10 feetinthedirection of flow Use the tube diameter that matches the suction header connection 4 The top of the Ci...

Page 54: ...but is actually due to the requirement that the refrigerant gas leaving the coil flows downward past the lowest suction header outlet before turning upward Use the double elbow configuration to isola...

Page 55: ...Use the double elbow configuration to isolate the TXV bulb from other suction headers 5 Use the horizontal tube diameter as specified in the condensing unit application manual 6 Use the tube diameter...

Page 56: ...ation entry points for field provided wiring Consider overall unit serviceability and accessibility before mounting running wires power making cabinet penetrations or mounting any components to the ca...

Page 57: ...ct control valves if ordered to the valve jack provided as part of the unit wiring harness The valve jack is typically located at the air leaving side of the coil connection inside the casing panel Fo...

Page 58: ...rs may be factory connected to a terminal box on the unit If this construction is provided the installer should complete field wiring to this connection box For a typical high voltage wiring schematic...

Page 59: ...0 JJN 15 JJN 20 JJN 10 Part No JJS 6 JJS 20 JJS 25 JJS 30 FWH 150B FWH 200B JJN 60 JJN 50 20 25 30 2 3 7 5 1 1 5 10 5 40 50 7 5 1 1 5 5 15 10 2 3 HP Bussman Class T Drive Fuse Part No Device Prefix Lo...

Page 60: ...ectors required for shipping splits GRN 1 WHT 2 BLK 3 BLK 4 WHT 5 GRN 6 BLK 7 WHT 8 GRN 9 13 BLK N G H 12 WHT 10 GRN 11 GRN N G H To additional rows of light fixtures if required BLK WHT GRN BLK WHT G...

Page 61: ...must be in accordance with the National Electrical Code NEC state and local requirements Other countries applicable national and or local requirements shall apply Field conductors shall have insulatio...

Page 62: ...tor display 1 On the home screen press Setup The Setup menu appears 2 Page down to view the next screen 3 Press Calibrate Touch Screen A calibration screen appears NOTICE Equipment Damage Do not allow...

Page 63: ...CH SVX013B EN 63 operation of the air handler without disruption to the operating conditions of the unit Whenservicing of the unit is complete close the cover plate on the service module to eliminate...

Page 64: ...ct electrical connections to the unit and unit controllers Connections should be clean and secure Compare the actual wiring with the unit diagrams Reference the appropriate controller manual for more...

Page 65: ...g 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 h...

Page 66: ...on Motor Nameplate 1 24 Motor Current Depends on unit Set Based on Motor Nameplate 1 25 Rated Motor Speed Depends on unit Set Based on Motor Nameplate 1 71 Start Delay 0 0 Sec 2 Sec 1 73 Flying Start...

Page 67: ...wires Output Velocity Signal The 2 to 10 Vdc linear output signal from the VCM represents air velocity This voltage can be converted to represent airflow cfm or L s using the formula below and Table...

Page 68: ...600 4 28 11128 5252 28 2 2600 8 55 22230 10493 28 3 2600 12 83 33358 15745 28 4 2600 17 1 44460 20985 28 5 2600 21 38 55588 26238 28 6 2600 25 66 66716 31490 Note For low flow see single damper perfor...

Page 69: ...uracy of 0 25 percent full scale is used as standard If a field provided transmitter with a lower accuracy is selected the range should be chosen closer to the actual maximum pressure differential exp...

Page 70: ...le 15 Constant K Factors Fan Size inches Type Fan Class Fan Name K Factor 10 50 AF direct drive plenum Any 10 TF 10 TR 10 UF 10 UR 576 12 AF direct drive plenum Any 12 TF 12 TR 12 UF 12 UR 945 13 50 A...

Page 71: ...sent single fan airflow At the controller level the individual airflows should be summed to get the total airflow If a field provided K factor is to be used see below the measured airflow for the syst...

Page 72: ...re eliminator with high pressure sprayer Remove pollen in the spring and leaves in the fall Every year Inspect the unit casing for corrosion If damage is found clean and repaint Clean the fan wheels a...

Page 73: ...n burn severely if contact with skin occurs Handle chemical carefully and avoid contact withskin ALWAYSwearPersonalProtectiveEquipment PPE including goggles or face shield chemical resistant gloves bo...

Page 74: ...perpendicular to the coil face Keep the nozzle at least 6 inches from the coil Do not exceed 600 psi 6 Spray the leaving air side of the coil first then the entering air side 7 Thoroughly rinse both s...

Page 75: ...cturer s Materials Safety Data Sheet and follow all recommended safe handling practices Failure to follow all safety instructions could result in death or serious injury WARNING No Step Surface Do not...

Page 76: ...y of inspection and lubrication Motor lubrication instructions are on the motor tag or nameplate If for some reason these instructions are not available contact the motor manufacturer Some motor manuf...

Page 77: ...andmove bulb away from the fixture and out of unit 4 Wipe down each bulb with a clean cloth and alcohol Avoid touching the bulb with bare hands as skin oils can accelerate future glass soiling and deg...

Page 78: ...ulations before disposing of bulbs to assure you have met all requirements Refer to the MSDS sheet from the bulb manufacturer for additional disposal handling and safety information After replacing bu...

Page 79: ...r company for adjustments Mechanical failure Check that motor and drive rotate freely Check bearing lubricant Motor stalls Open phase Check line for an open phase Overloaded motor Reduce load or repla...

Page 80: ...ilure of steam line condensate return components Verify component operation Boiler failure Verify boiler operation Dirty fin surface Clean the fin surface see Coils p 73 Drain pan is overflowing Plugg...

Page 81: ......

Page 82: ...re committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial a...

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