Trane Variable Refrigerant Flow System Mini Outdoor Unit Series Manual de Instalação

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

10 VRF-SVN33A-ENFigure 4. Moving the mini outdoor unitUnit InstallationFollow these guidelines for installing the mini outdoor unit.Important: The man

VRF-SVN33A-EN 11Unit InstallationMinimizing VibrationWhen installing multiple mini outdoor units side by side, or when there is a need to minimize uni

12 VRF-SVN33A-ENUnit InstallationFigure 7. Anchor bolt positionsIf you cannot attach the unit to the base or if the unit needs additional support, se

VRF-SVN33A-EN 13Refrigerant PipingRefrigerant PipingThis section contains information on selecting, storing, and connecting refrigerant piping.Selecti

14 VRF-SVN33A-ENRefrigerant PipingBranch Joint SelectionTable 5 specifies the first branch joint according to mini outdoor unit capacity. Table 6 spe

VRF-SVN33A-EN 15Refrigerant PipingRefrigerant Piping Maximum Length and Height Differences Figure 9. Y-joint connection Figure 10. Y-joint and EEV kit

16 VRF-SVN33A-ENRefrigerant PipingFigure 11. Distribution header connectionTable 9. Maximum refrigerant piping length and height differences for inst

VRF-SVN33A-EN 17Refrigerant PipingFigure 12. Y-joint and distribution header connection Storing Refrigerant PipingTo prevent foreign materials or wate

18 VRF-SVN33A-ENRefrigerant PipingInstalling Refrigerant Piping Overview1. Cut or extend field-supplied piping as needed. To extend pipes, braze or

VRF-SVN33A-EN 19Refrigerant PipingNitrogen Flushing While BrazingWhile brazing refrigerant pipes, flush them with nitrogen gas. Use a pressure regulat

2 VRF-SVN33A-ENIntroductionRead this manual thoroughly before operating or servicing this unit.Warnings, Cautions, and NoticesSafety advisories appea

20 VRF-SVN33A-ENRefrigerant Piping3. Attach the yoke to the flaring bar, centering the conical part over the end of the pipe that is extending above

VRF-SVN33A-EN 21Refrigerant PipingConnecting Piping to the Mini Outdoor UnitImportant: Ensure that all pipe connections are accessible for servicing a

22 VRF-SVN33A-ENRefrigerant Piping4. After making electrical connections (see “Electrical Wiring” p. 23) and insulating the pipes (see “Insulating Re

VRF-SVN33A-EN 23Electrical WiringElectrical WiringObserve the following precautions when making electrical connections. Refer to wiring diagrams (Figu

24 VRF-SVN33A-ENElectrical WiringFigure 16. Typical system installation wiring with external EEV kitGroundPower cablecircuit breaker or disconnectCom

VRF-SVN33A-EN 25Electrical WiringPower Wiring• Multi-pole circuit breaker or disconnect is required to fully isolate the unit from all power. • Instal

26 VRF-SVN33A-ENElectrical Wiring2. Cut the power cable to an appropriate length and connect it to terminals L and N in the power supply box with a s

VRF-SVN33A-EN 27Electrical WiringGroundingImportant: Grounding must be done by a qualified electrician. The unit cannot be ground by a gas or water pi

28 VRF-SVN33A-ENElectrical Wiring• If you have grounded the unit to a grounding terminal or electrical panel, ensure that the resistance meets the re

VRF-SVN33A-EN 29Leak Testing Pipe ConnectionsLeak Testing Pipe ConnectionsBefore leak testing pipe connections, read all safety precautions and notes.

Table of ContentsVRF-SVN33A-EN 3Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 VRF-SVN33A-ENLeak Testing Pipe ConnectionsUse the following procedure for leak testing pipe connections. 1. Connect the refrigerant manifold gauge

VRF-SVN33A-EN 31Vacuum Drying ProcedureAfter performing a successful leak test, follow this vacuum drying procedure:Notes:• Use tools rated for R-410A

32 VRF-SVN33A-ENInsulating Refrigerant PipesInsulating Refrigerant PipesAfter determining that there are no leaks in the refrigerant pipes, insulate

VRF-SVN33A-EN 33Insulating Refrigerant Pipes• Overlap insulation to avoid gaps.• Avoid compressing the insulation as much as possible.• Be sure there

34 VRF-SVN33A-ENRefrigerantRefrigerantAfter successful leak testing and vacuum drying, calculate the amount of refrigerant needed and then charge the

VRF-SVN33A-EN 35RefrigerantCharging the RefrigerantAfter calculating the correct amount of refrigerant needed by the system (see “Calculating the Refr

36 VRF-SVN33A-ENConnecting the Drain HoseConnecting the Drain HoseWhen using the air conditioner in the heating mode, ice may accumulate. When the un

VRF-SVN33A-EN 37Control SystemControl SystemThe control board contains a 7-segment display, three DIP switches, two rotary switches, and four buttons,

38 VRF-SVN33A-ENControl SystemConfiguring the SystemThe control board contains two rotary switches and three DIP switches (shown in Figure 22). The f

VRF-SVN33A-EN 39Control SystemTable 20. Configuration using DIP switches K9–K12DIP switch Setting Function descriptionNight-time silent mode(a)(a) Red

4 VRF-SVN33A-ENVacuum Drying Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Insulating Refri

40 VRF-SVN33A-ENControl SystemTable 21. System configuration using DIP switches K13–K16DIP switchMaximum current per unit model4TVH0036B100NB 3 ton4T

VRF-SVN33A-EN 41Control SystemInitiating System OperationsButtons K1, K2, and K3 are used to initiate system operations. The first two digits of the 7

42 VRF-SVN33A-ENControl SystemMonitoring System SettingsButtons K4 is used to monitor system settings and software versions. Table 25. Button K4Numb

VRF-SVN33A-EN 43Pre-Start ChecksPre-Start ChecksAfter installation and before the test operation is conducted, perform the following pre-start checks:

44 VRF-SVN33A-ENTest OperationTest OperationAfter all pre-start checks (refer to “Pre-Start Checks” p. 43) have been have been completed, run the tes

VRF-SVN33A-EN 45Test OperationNote: When power is supplied to the outdoor unit, it will check for and verify communications with the indoor units.2. E

46 VRF-SVN33A-ENRefrigerant detection operationRefrigerant detection operationPerform the refrigerant detection operation only under the following co

VRF-SVN33A-EN 47Service: Pump Down ProcessService: Pump Down ProcessThe pump down process pulls all of the refrigerant in the system into the outdoor

48 VRF-SVN33A-ENService: Pump Down ProcessPump Down Process1. Follow the procedure for “Collecting Refrigerant into a Refrigerant Container” p. 47”.2

VRF-SVN33A-EN 49Warranty For Trane Advantage™ VRF Systems and Related AccessoriesWarranty For Trane Advantage™ VRF Systems and Related AccessoriesProd

VRF-SVN33A-EN 5Preparing for InstallationPreparing for InstallationUnit Dimensions and Weights Dimensional Drawing Table 1. Unit dimensions and weight

50 VRF-SVN33A-ENWarranty For Trane Advantage™ VRF Systems and Related Accessories

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

6 VRF-SVN33A-ENPreparing for InstallationMaximum Quantity of Indoor Units by Mini Outdoor Unit CapacityTo prevent reducing indoor unit capacity, the

VRF-SVN33A-EN 7Preparing for InstallationService ClearancesInstall units as shown in the illustrations below (Figure 1, Figure 2, and Figure 3), obser

8 VRF-SVN33A-ENPreparing for InstallationFigure 3. Minimum service clearances for multiple mini outdoor unit installationsLocation ConsiderationsChoo

VRF-SVN33A-EN 9Preparing for Installationcirculation. Consult an installation expert about taking anti-corrosion measures, such as removing salinity o