Trane CAH-SVX01A-EN External Insulating Requirements, Junction box mounting and wiring details

Page 42

Installation

Figure 44. Junction box mounting and wiring details

Valve jack wiring:

.Black connector is for 24 Vac power supply (black wire for GND and red wire for 24 Vac)

.White connector is for 0 to 10 Vac analog signal (black wire for GND and red wire for 0 to 10 Vac.

Figure 45. Typical quick connects with wiring identification

Power 24 Vac

Sig. 0–10 Vdc

Wire from

Signal to Slave

Actuator

ribbon cable

Actuator

 

 

 

External Insulating Requirements

The following areas should be specifically addressed, as applicable:

Supply and return water piping connections

Supply and return refrigerant piping connections

Condensate drain lines and connections

Outdoor-air-intake duct connections

Discharge duct connections

Special requirements for low- temperature-air systems

42

CAH-SVX01A-EN

Image 42
Contents Custom Climate Changer Air Handlers JulyCAH-SVX01A-EN Unit Description Protecting EnvironmentContents Controls Wiring Sizes ConnectionsOperating Environment Factory-Mounted ControlsUltraviolet UV Germicidal Irradiation Lights optional Job Site Storage Recommendations Receiving ChecklistResolving Shipping Damage Use Canvas OnlyLong-Term Storage Pre-Installation Requirements General StoragePreparing the Unit Site Outdoor Storage ConsiderationsRoof Curb Installation Typical Curb Installation ChecklistLifting and Rigging General Lifting ConsiderationsUnit Assembly Assembly HardwareTCP Model Assembly Instructions Joining Sections Edge-to- EdgeTCP Base Section Assembly Typical TCP base assemblyInstallation TCP Wall Section Assembly Typical TCP Outdoor Roof Section Assembly TypicalIndoor Roof Assembly Complete Installation TCP Indoor Roof Section Assembly TypicalBase to Wall Assembly Complete TCC Model Assembly Instructions Joining sections Edge to EdgeApply butyl tape to shipping splits Add caulk along the seam Join internal shipping split frame TCC wall sections assembly typical Installation TCC indoor roof sections assembly typicalInstallation TCC outdoor roof sections assembly typical Join outdoor roof panels at the seamsTrim roof joint strip Duct Connections Component Installation RequirementsIsolator Adjustment FansTraq Dampers Control DampersMagnahelic Air Filter Gage Installation Air Filters Front Load FiltersOutdoor Unit Weather Hoods Bag or Cartridge FiltersGeneral Recommendations Use a Backup WrenchCoil Piping Connections Prevent Coil DamageInstallation Drain Pan Trapping Water DamageInstallation Steam Coil Piping Coil DamageInstallation Water Coil Piping Typical piping for type 5W one-row water coilInstallation Refrigerant Coil Piping Liquid LinesValve Damage Type F refrigerant coil with packed elbowExamples of Field-Installed Evaporator Piping Single-circuit evaporator coil with one distributorSingle-circuit evaporator coil with two distributors Single-circuit evaporator coil with four distributors Dual-circuit evaporator coil with two distributors Dual-circuit evaporator coil with four distributors Dual-circuit evaporator coil with eight distributors Use Copper Conductors Only WiringHazardous Voltage with CapacitorsJunction box mounting and wiring details External Insulating RequirementsCoil-Related Checks Proper Water Treatment Pre-Startup ChecklistFan-Related Checks Motor-Related ChecksUnit Operation General ChecksCalculate Motor Voltage Imbalance Startup Tension the Fan Belt Tension Belts CorrectlyStartup Determine Fan Speed Sheave AlignmentMultibelt Check Routine Maintenance Permanent Filters Air FiltersThrowaway Filters Front Load FiltersFans Inspecting and Cleaning FansDrain Pans Bearing Set Screw AlignmentFan Bearing Lubrication Fan Motor InspectionType K Cooling Coils CoilsSteam and Water Coils Refrigerant CoilsMoisture Purge Cycle Internal Insulation Replacement of ultraviolet bulbs Ultraviolet UV Germicidal Irradiation LightsTroubleshooting Alignment section on CAH-SVX01A-EN CAH-SVX01A-EN Trane