Trane CAH-SVX01A-EN User Manual

InstallationOperationMaintenanceCustom Climate Changer™ Air HandlersJuly 2005 CAH-SVX01A-ENPart No. X39640745010

10 CAH-SVX01A-ENInstallationLifting and Rigging WARNINGLifting and Rigging!Do not lift, rig, or ceiling-suspend from the top of the unit. Lift from

Installation CAH-SVX01A-EN 11• Personnel should be positioned overhead and on the ground to guide the crane or helicopter operator in positioning the

Installation12 CAH-SVX01A-ENTCP Model Assembly InstructionsIf your nameplate model number begins with TCP, use the assembly instructions below.Joinin

Installation CAH-SVX01A-EN 13TCP Base Section Assembly (Typical)Note: Failure to completely compress the gasketing may result in air leakage.1 Join th

Installation14 CAH-SVX01A-ENTCP Wall Section Assembly (Typical)1 Apply the walls and join at the inside angles with number 14 sheet-metal screws on 1

Installation CAH-SVX01A-EN 15TCP Indoor Roof Section Assembly (Typical)1 Align the walls and join the inside angles with number 14 sheet metal screws

Installation16 CAH-SVX01A-ENTCP Base to Interior Wall Section Assembly (Typical)Note: Failure to completely compress the gasketing may result in air

Installation CAH-SVX01A-EN 17TCC Model Assembly InstructionsIf your nameplate model number begins with TCC, use the assembly instructions below.Joinin

Installation18 CAH-SVX01A-EN• Apply 1.25-inch x 0.33-inch ribbed butyl tape to the shipping split channel and shipping split plates (see Figure 11).•

Installation CAH-SVX01A-EN 19• Insert field provided threaded rods through the bottom lifting lug and shipping split plates on each sides of the unit.

© 2005 American Standard All rights reserved CAH-SVX01A-ENNOTICE:Warnings and Cautions appear at appropriate sections throughout this manual. Read t

Installation20 CAH-SVX01A-ENTCC internal shipping split frame assembly (typical)• Join the two sections and secure with field provided ½-13x8.5 inch

Installation CAH-SVX01A-EN 21TCC wall sections assembly (typical)• Verify external unit squareness.• Apply the 1.25-inch x 0.33-inch ribbed butyl tape

Installation22 CAH-SVX01A-ENTCC outdoor roof sections assembly (typical)• Join two outdoor roof panels together at the seams at the direction of airf

Installation CAH-SVX01A-EN 23• Join outdoor roof panels together at the seams in the direction perpendicular to airflow and secure them in place with

Installation24 CAH-SVX01A-ENDuct ConnectionsAll duct connections to the units should be installed in accordance with the standards of the National Fi

Installation CAH-SVX01A-EN 253 Check that the bushing on the isolator stud is centered in the isolator. Adjust to center by moving the stud in the fan

Installation26 CAH-SVX01A-ENAir FiltersFront Load FiltersMost filters in custom units are installed in unitary sheet metal frames. Filters are secure

Installation CAH-SVX01A-EN 27Bag or Cartridge Filters.1 Disconnect power to the unit.2 Keeping the bag filters folded, slide each filter into the filt

Installation28 CAH-SVX01A-ENCoil Piping and ConnectionsGeneral RecommendationsProper installation, piping, and trapping is necessary to ensure satisf

Installation CAH-SVX01A-EN 29Drain Pan TrappingThreaded condensate drain connections are provided on only one side of the coil module. Pitch the conne

CAH-SVX01A-EN 3IntroductionUse this manual to install, startup, operate, and maintain the Custom Climate Changer™ air handler. Carefully review the p

Installation30 CAH-SVX01A-ENSteam Coil PipingM-Series air handlers fitted with steam coils have labeled holes for piping penetrations. Figure 28 and

Installation CAH-SVX01A-EN 31Figure 28. Typical piping for Type N steam coils and horizontal tubes for horizontal airflowFigure 29. Typical piping for

Installation32 CAH-SVX01A-ENunless the condensate is drained by gravity into a receiver, vented to atmosphere, and returned to the condensate pump.6

Installation CAH-SVX01A-EN 33Refrigerant Coil PipingNote: Refer to the “Protecting the Environment” section on page 3 for information on handling refr

Installation34 CAH-SVX01A-EN• Thermal expansion valve. The expansion valve is the throttling device that meters the refrigerant into the evaporator c

Installation CAH-SVX01A-EN 35• Frostat™ coil frost protection. The Frostat control is the preferred method for protecting evaporator coils from freezi

Installation36 CAH-SVX01A-ENSingle-Circuit Condensing Units: Evaporator Coil with Two Distributors (see Figure 36)1 Pitch the liquid line slightly—1

Installation CAH-SVX01A-EN 37Single-Circuit Condensing Units: Evaporator Coil with Four Distributors (see Figure 37)1 Pitch the liquid line slightly—1

Installation38 CAH-SVX01A-ENDual-Circuit Condensing Units: Evaporator Coil with Two Distributors (see Figure 38)1 Pitch the liquid lines slightly—1 i

Installation CAH-SVX01A-EN 39Dual-Circuit Condensing Units: Evaporator Coil with Four Distributors (see Figure 39)1 Pitch the liquid line slightly—1 i

4 CAH-SVX01A-ENContentsIntroduction ... 3Unit Description ...

Installation40 CAH-SVX01A-ENDual-Circuit Condensing Units: Evaporator Coil with Eight Distributors (see Figure 40)1 Pitch the liquid line slightly—1

Installation CAH-SVX01A-EN 41WiringWiring to the unit fan motor must be provided by the installer and must comply with all national and local electric

Installation42 CAH-SVX01A-ENFigure 44. Junction box mounting and wiring detailsFigure 45. Typical quick connects with wiring identificationValve jack

CAH-SVX01A-EN 43StartupOnce the Custom Climate Changer air handler has been assembled and installed, attention must be directed to individual compone

Startup44 CAH-SVX01A-ENGeneral Checks• Ensure the unit has been installed level.• Ensure supply-air and return-air ducts have been connected.• Ensure

Startup CAH-SVX01A-EN 45Tension the Fan BeltCheck the fan belt tension at least three times during the first days of operation because there is a rapi

Startup46 CAH-SVX01A-ENTable 3. Typical sheave diameter and deflection force1Cross SectionSmallest Sheave Diameter Range (in.)Speed (rpm) RangeBelt D

Startup CAH-SVX01A-EN 47Determine Fan Speed WARNINGRotating Components!During installation, testing, servicing and troubleshooting of this product it

48 CAH-SVX01A-ENRoutineMaintenanceThe following checklist is provided as an abbreviated guide to periodic maintenance. Detailed procedural informatio

Routine Maintenance CAH-SVX01A-EN 49Air FiltersRefer to product catalog CLCH-PRC003-EN for filter sizes, types, and quantities. WARNINGHazardous Volt

CAH-SVX01A-EN 5GeneralInformationOperating EnvironmentWhen considering the placement of the Custom Climate Changer air handler, it is important to co

Routine Maintenance50 CAH-SVX01A-ENSee “ WARNING Hazardous Voltage with Capacitors!” on page 49 regarding disconnection of power.Drain PansThe conde

Routine Maintenance CAH-SVX01A-EN 51See “ WARNING Hazardous Voltage with Capacitors!” on page 49 regarding disconnection of power.Fan Bearing Lubrica

Routine Maintenance52 CAH-SVX01A-ENSee “ WARNING Hazardous Voltage with Capacitors!” on page 49 regarding disconnection of power.CoilsAll coils shou

Routine Maintenance CAH-SVX01A-EN 5311 Allow the unit to dry thoroughly before putting it back into service.12 Replace all panels and parts and restor

Routine Maintenance54 CAH-SVX01A-ENSee “ WARNING Hazardous Voltage with Capacitors!” on page 49 regarding disconnection of power. WARNINGHazardous

Routine Maintenance CAH-SVX01A-EN 55Ultraviolet (UV) Germicidal Irradiation Lights The intensity of the ultraviolet energy emitted from the ultraviole

56 CAH-SVX01A-ENTroubleshootingThis section is intended to be used as a diagnostic aid only. For detailed repair procedures, contact your local Trane

Troubleshooting CAH-SVX01A-EN 57Table 5. Air handler troubleshooting recommendationsSymptom Probable Cause Recommended ActionShort belt life Worn shea

58 CAH-SVX01A-ENNotes

Notes CAH-SVX01A-EN 59

General Information6 CAH-SVX01A-ENUltraviolet (UV) Germicidal Irradiation Lights (optional)The United States Environmental Protection Agency (EPA) be

Tr a n eA business of American Standard Companieswww.trane.comFor more information, contact your local Trane office or e-mail us at [email protected]

CAH-SVX01A-EN 7Pre-Installation RequirementsReceiving ChecklistBased on customer requirements, Custom Climate Changer air handlers can ship as comple

Pre-Installation Requirements8 CAH-SVX01A-ENGeneral StorageThe unit controller and all other electrical/electronic components should be stored in con

Pre-Installation Requirements CAH-SVX01A-EN 9Figure 1. Cross section of typical curb installation on new constructionRoof Curb InstallationIt is recom