Trane Variable Refrigerant Flow System Outdoor Unit Series Manual de instalación

SAFETY WARNINGOnly qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating,

10 VRF-SVN34A-ENPreparing for InstallationTable 2. Outdoor unit combinations: 6–20 ton capacityCapacity6 ton 8 ton 10 ton 12 ton 14 ton 16 ton 18 ton

VRF-SVN34A-EN 11Preparing for InstallationAccessoriesAccessories that ship with the unit are:• Instruction manual• Brand label and instruction sheet•

12 VRF-SVN34A-ENPreparing for InstallationMoving the Outdoor UnitFollow these guidelines when moving the outdoor unit:• Before moving the outdoor uni

VRF-SVN34A-EN 13Preparing for InstallationLocation ConsiderationsChoose an installation location based on the following considerations.• Install the o

14 VRF-SVN34A-ENPreparing for Installation• R-410A refrigerant is a safe, nontoxic and nonflammable refrigerant. However, if there is a concern about

VRF-SVN34A-EN 15Unit InstallationUnit InstallationFollow these guidelines for installing the outdoor unit.Important: The manufacturer is not responsib

16 VRF-SVN34A-ENUnit InstallationAfter installing a vibration-isolation frame, loosen the bolts so that the isolators are capable of absorbing vibrat

VRF-SVN34A-EN 17Unit InstallationSecuring the Outdoor UnitSecure the outdoor unit firmly to the base with anchor bolts (see Figure 8 and Tabl e 6). •

18 VRF-SVN34A-ENUnit InstallationCondenser Air Discharge Duct (optional)A discharge duct can be installed on the outdoor unit to prevent foreign subs

VRF-SVN34A-EN 19Unit InstallationWind/Snow Prevention Duct Installation (optional)A wind/snow prevention should be installed:• In snowy regions, to pr

© 2013 Trane All rights reserved VRF-SVN34A-ENIntroductionRead this manual thoroughly before operating or servicing this unit.Warnings, Cautions, a

20 VRF-SVN34A-ENRefrigerant PipingRefrigerant PipingThis section contains information on selecting, storing, and connecting refrigerant piping.Select

VRF-SVN34A-EN 21Refrigerant PipingUse Tab le 8 to determine the size of the main pipes based on pipe length. (Refer to A in Figure 13, p. 32)Use Ta b

22 VRF-SVN34A-ENRefrigerant PipingUse Tabl e 10 to determine the size for pipes between branch joints and indoor units. (Refer to F in Figure 13, p

VRF-SVN34A-EN 23Refrigerant PipingUse Ta bl e 11 to determine the size of the main pipes (A in Figure 10, p. 22) based on pipe length. Use Tabl e 1 2

24 VRF-SVN34A-ENRefrigerant PipingUse Ta ble 13 to determine the size for the pipes between branch joints and indoor units. (Refer to F in Figure 1

VRF-SVN34A-EN 25Refrigerant PipingUse Ta bl e 16 to select the branch joints connected after the first branch, according to the total capacity of al

26 VRF-SVN34A-ENRefrigerant PipingStoring Refrigerant PipingTo prevent foreign materials or water from entering the pipe, storing method and sealing

VRF-SVN34A-EN 27Refrigerant Piping3. Braze or use flared pipe connections to install piping. Refer to “Connecting Piping to the Outdoor Unit” p. 29) a

28 VRF-SVN34A-ENRefrigerant PipingFlared Pipe ConnectionsClutch type and wing nut type flare tools are available for flared pipe connections.1. Slide

VRF-SVN34A-EN 29Refrigerant Piping6. Align the pipes and tighten the flare nuts manually and then with a spanner torque wrench, applying the torque ac

Table of ContentsVRF-SVN34A-EN 3Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 VRF-SVN34A-ENRefrigerant PipingFigure 12. Protecting the unit and temperature sensor while brazing the pipe connectionConnecting Branch JointsImpo

VRF-SVN34A-EN 31Refrigerant PipingBranch joints between outdoor units must be installed horizontally.Table 19. Connecting outdoor units with branch jo

32 VRF-SVN34A-ENRefrigerant PipingRefrigerant Piping Installation Examples: Heat PumpFigure 13. Single installation with Y-joint: Heat pumpFigure 14.

VRF-SVN34A-EN 33Refrigerant PipingFigure 15. Single installation with Y-joint and distribution header: Heat pumpFigure 16. Module installation with Y-

34 VRF-SVN34A-ENRefrigerant PipingFigure 18. Module installation with Y-joint and distribution header: Heat pumpOutdoor unitsDistribution headerIndoo

VRF-SVN34A-EN 35Refrigerant PipingRefrigerant Piping Installation Examples: Heat RecoveryFigure 19. Installation with Y-joints: Heat recoveryFigure 20

36 VRF-SVN34A-ENRefrigerant PipingFigure 21. Installation with MCU and Y-joint: Heat recovery Table 22. Maximum allowable refrigerant piping length a

VRF-SVN34A-EN 37Electrical WiringElectrical WiringObserve the following precautions when making electrical connections. • Make all electrical connect

38 VRF-SVN34A-ENElectrical WiringFigure 22. Typical system installation wiringOutdoor unit (main) Outdoor unit (sub)GroundPower cablePower cablePower

VRF-SVN34A-EN 39Electrical WiringPower WiringFollow this procedure:1. Refe r to Table 24 and Table 25, p. 41 for power cable and circuit breaker spec

4 VRF-SVN34A-ENGrounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Communicat

40 VRF-SVN34A-ENElectrical WiringFigure 23. Power wiring connections Solderless ring terminal Thin cable Thick cable Cable tieDetail f or connecting

VRF-SVN34A-EN 41Electrical WiringTable 24. Circuit breaker and power cable specifications—Heat pump/heat recovery: 208–230 VCapacityModelUnitsModule 1

42 VRF-SVN34A-ENElectrical WiringGroundingImportant: Grounding must be done by a qualified electrician.1. Select rated grounding cable by referring t

VRF-SVN34A-EN 43Electrical WiringCommunications WiringConnect the communications wiring as shown in Figure 26. •Refer to Ta bl e 23, p. 39 for conduit

44 VRF-SVN34A-ENElectrical WiringTo provide strain relief, secure the communications cable with a clamp in the location shown in Figure 27. Figure 27

VRF-SVN34A-EN 45Leak Testing Pipe ConnectionsLeak Testing Pipe ConnectionsBefore leak testing pipe connections, read all safety precautions and notes.

46 VRF-SVN34A-ENLeak Testing Pipe ConnectionsUse the following procedure for leak testing pipe connections. Refer to Figure 28.Figure 28. Leak testin

VRF-SVN34A-EN 47Vacuum Procedure for the SystemVacuum Procedure for the SystemAfter performing a leak test, follow this vacuum procedure:• Use tools f

48 VRF-SVN34A-ENInsulating Refrigerant PipesInsulating Refrigerant PipesAfter determining that there are no leaks in the refrigerant pipes, insulate

VRF-SVN34A-EN 49Refrigerant Charging• Be sure there are no cracks or deformities in the insulation at bends in pipes.• If necessary double the insulat

VRF-SVN34A-EN 5 Model Number DescriptionDigit 1: RefrigerantDigit 2: Brand name Digit 3: System typeDigit 4: Functional Type Outdoor UnitDigit 5: Rese

50 VRF-SVN34A-ENRefrigerant ChargingCalculating Refrigerant Table 28. Initial refrigerant quantity for each outdoor unit modelModel4TV*0072***** 4TV

VRF-SVN34A-EN 51Refrigerant ChargingExample: Table 31. Calculation example for refrigerant amount additional to basic unit amountLiquid pipe (a) diame

52 VRF-SVN34A-ENRefrigerant ChargingCharging RefrigerantTo charge refrigerant:1. With the unit still in a vacuum, open the manifold gauge valve conne

VRF-SVN34A-EN 53Control SystemControl SystemThe control board (Fig 28) contains, a 4-digit display, a DIP switch, three rotary switches, and four butt

54 VRF-SVN34A-ENControl SystemSystem MonitoringThe 4-digit display indicates system power and communication status. System Configuration: DIP and Rot

VRF-SVN34A-EN 55Control SystemThe control board has four buttons, K1–K4, and a 4-digit display for configuring system options.Figure 32. Buttons and

56 VRF-SVN34A-ENControl SystemTable 34. Options and corresponding settings OptionOutdoor unitDigit 1Digit 2Digit 3Digit 4Value CommentsEmergency oper

VRF-SVN34A-EN 57Control SystemNight-time silent modeMain0700Disabled (factory default)01Level 102Level 203Level 3High-head condition settingMain 0 800

58 VRF-SVN34A-ENControl SystemSystem Configuration: Buttons K1–K4Buttons K1 and K2 are used to initiate system operations. The 4-digit display respon

VRF-SVN34A-EN 59Control SystemTable 38. Button K4Number of times button K4 is pressedOperation4-digit displayDigit 1 Digits 2, 3, 414TV*0072***** (6 t

6 VRF-SVN34A-ENPreparing for InstallationUnit Dimensions and WeightTable 1. Unit dimensions and weightUnit typeUnit model numberDimensions (WxHxD)in.

60 VRF-SVN34A-ENControl SystemTable 39. Button K4 (pressed and held for 3 seconds)Number of times K4 is pressed and held 3 secondsSoftware version4-d

VRF-SVN34A-EN 61Pre-Start ChecksPre-Start ChecksAfter installation and before the test operation is conducted, perform the following pre-start checks:

62 VRF-SVN34A-ENTest OperationTest OperationPerform the test operation after all pre-start checks have been completed (See “Pre-Start Checks” p. 61)

VRF-SVN34A-EN 63Test Operation1. Provide power to the outdoor unit at least 6 hours before operating it.Notes: When power is supplied to the outdoor u

64 VRF-SVN34A-ENAutomatic refrigerant detection operationAutomatic refrigerant detection operationUse the refrigerant amount detection operation afte

VRF-SVN34A-EN 65TroubleshootingTroubleshootingError code E503Error code E505 and E506Is the service valve of the outdoor unit opened?Open the service

66 VRF-SVN34A-ENWarranty For Trane Advantage™ VRF Systems and Related AccessoriesWarranty For Trane Advantage™ VRF Systems and Related AccessoriesPro

VRF-SVN34A-EN 67Warranty For Trane Advantage™ VRF Systems and Related Accessories

optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comforta

VRF-SVN34A-EN 7Preparing for InstallationFigure 1. Dimensional drawing: 4TVH072****/4TVR072****Figure 2. Dimensional drawing: 4TVH096/120/144****/4TVR

8 VRF-SVN34A-ENPreparing for InstallationService ClearancesInstall units as shown in the illustrations below, observing ventilation and service requi

VRF-SVN34A-EN 9Preparing for InstallationFigure 4. Dimension limits for pit Outdoor Unit CombinationsUse the following table to determine the size and