Trane RT-SVX10C-EN Manual de usuario

Trane has a policy of continuous product and product data improvement andreserves the right to change design and specifications without notice. Onlyqu

10General Information (Continued)Low Ambient Compressor LockoutUtilizes an analog input device for CV & VAV applications.When the system is config

98Unit Start-Up (Continued)10. If the measured carbon dioxide level is below the rec-ommended values for low heat, return the burner to 90%fire rate a

99Unit Start-Up (Continued)Figure 4-10Typical Gas FurnaceFinal Unit CheckoutAfter completing all of the checkout and start-up proceduresoutlined in th

100Service & MaintenanceTable 5-1Control Settings and Time DelaysControl Description Elec. Designation Contacts Open Contacts ClosedCompressor Cir

101Service & Maintenance (Continued)Table 5-3Unit Internal Fuse Replacement Data & VFD Factory Settings

102Table 5-4Filter DataPanel-Type Filters Bag-Type Filters Cartridge Filters Panel-Type PrefiltersUnit Model (Note 1) (Note 2) (box-type) (Note 2) (No

103Service & Maintenance (Continued)Table 5-6Grease RecommendationsRecommendedRecommended Grease Operating RangeExxon Unirex #2Mobil 532 -20 F to

104Service & Maintenance (Continued)Fan Belt AdjustmentThe supply fan belts and optional exhaust fan belts must beinspected periodically to assure

105Service & Maintenance (Continued)Figure 5-1Belt Tension Measurement and Deflection RangesDeflection Force (Lbs.)Super Steel CableBelts Gripbel

106Service & Maintenance (Continued)WARNINGHazardous Voltage!Disconnect all electric power, including remote discon-nects before servicing. Follow

107Service & Maintenance (Continued)(q) Press the Up Arrow button to scroll to the ActiveSetup menu.(r) Press the Change Data button.(s) Press the

11General Information (Continued)Variable Air Volume (VAV) UnitsOccupied Heating - Supply Air TemperatureWhen a VAV units is equipped with "Modul

108Service & Maintenance (Continued)[ ] Check the condition of the gasket around the controlpanel doors. These gaskets must fit correctly and be i

109Service & Maintenance (Continued)CAUTIONCoil Cleaners!Coil cleaners can damage roofs, surrounding buildings,vehicles, etc. Cleaning substances

110Refrigerant Circuit #1 Refrigerant Circuit #2 CurrentAmbient Compr. Suct. Disch. Liquid Super- Sub- Compr. Suct. Disch. Liquid Super- Sub-Temp. O

111IndexAAC Conductors ... 45See Table 3-8Adjusting the Fresh Air Damper ...

112See Figure 3-11Flue Gas Carbon Dioxide & Oxygen Measurements ... 96See Figure 4-7Freeze Protection ...

113Return Air Humidity Sensor (3U64) ... 8return air temperature reaches 135 F ... 10Rooftop

114WARRANTY AND LIABILITY CLAUSECOMMERCIAL EQUIPMENTRATED 20 TONS AND LARGER AND RELATED ACCESSORIESPRODUCTS COVERED - This warranty* is extended byAm

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12General Information (Continued)Space Temperature AveragingSpace temperature averaging for Constant Volume applica-tions is accomplished by wiring a

13General Information (Continued)Control Module Locations for S_HF 40, 60, 70 &75 Ton UnitsRTMRTM1U481U48GBAS MODGBAS MOD1U511U51BrackeBracketVOM

Table of ContentsSection One About The Manual ... 2Literature Change History ...

14InstallationUnit InspectionAs soon as the unit arrives at the job site[ ] Verify that the nameplate data matches the data on thesales order and bill

15Figure 3-1Minimum Operation and Service Clearances for Single & Multiple Unit Installation

16Figure 3-2ASAHF Cooling-Only Units (20 thru 75 Ton)

17Installation (Continued)Table 3-1AUnit Dimensional DataUnit DimensionsSize ABCDEFGHJ 20 & 25 Ton 21'-9 3/4" 5'-3 1/8" 7&apo

18Figure 3-2BSEHF, SFHF, SLHF, SSHF, SXHF Units (20 thru 75 Ton)

2About The ManualNote: This document is customer property andmust be retained by the unit's owner for use bymaintenance personnel.Literature Chan

19Installation (Continued)Table 3-2AUnit Dimensional DataUnit DimensionsSize ABCDEFGHJ 20 & 25 Ton 24'-1 3/8" 5'-3 1/8" 7&apos

20Figure 3-2CS_HG Cooling & Heating Units (90 through 130 Ton)

21Units with Units Units100% without with Supply &Exhaust Fan Exhaust Fan Exhaust VFDUnit Unit Dim. Dim. Dim. Dim. Dim. Dim.Model Size ABABABSAHFC

22Installation (Continued)Table 3-3Typical Unit & Curb Weights Typical Unit Operating Weight (1) Roof CurbUnit S

23Installation (Continued)Note: If a “built-up” curb is provided by others,keep in mind that these commercial rooftop unitsdo not have base pans in th

24Figure 3-4Typical Unit RiggingFigure 3-5Unit Base & Roof Curb Section

25Installation (Continued)General Unit RequirementsThe checklist listed below is a summary of the steps re-quired to successfully install a Commercial

26Installation (Continued)Requirements for Steam Heat (SSH_)[ ] Install an automatic air vent at the top of the return watercoil header.[ ] Route prop

27Installation (Continued)Condensate Drain ConnectionsEach S_HF unit is provided with two or six 1" evaporatorcondensate drain connections (one

28Figure 3-7ARemoving Scroll Compressor Shipping Hardware for 20 through 60 Ton UnitsFigure 3-7BRemoving Scroll Compressor Shipping Hardware for 70 th

3Table of ContentsSection OneAbout The Manual ...2Literature Change History ...

29Installation (Continued)Removing Supply and Exhaust Fan Shipping Channels(Motors >5Hp)Each supply fan assembly and exhaust fan assembly forS_HF u

30Figure 3-8Removing Fan Assembly Shipping Hardware (20 through 75 Ton)Note: Fan assemblies not equipped with rubber or spring isolators have mounting

31Installation (Continued)O/A Sensor & Tubing InstallationAn Outside Air Pressure Sensor is shipped with all units de-signed to operate on variabl

32Installation (Continued)Gas Heat Units (SFH_)All internal gas piping is factory-installed and pressure leak-tested before shipment. Once the unit is

33Installation (Continued)Table 3-4Sizing Natural Gas Pipe Mains & BranchesSizing Natural Gas Pipe Mains & BranchesGas Input (Cubic Feet/Hour)

34Installation (Continued)Figure 3-10 (Continued)Unit Gas Trains (Natural Gas)1000 MBHModulating (500 MBH - 1000 MBH)Flue Assembly Installation1. Loca

35Installation (Continued)4. Install a "Gate" type valve in the supply branch line asclose as possible to the hot water main and upstream of

36Installation (Continued)12. Position the outlet or discharge port of the steam trap atleast 12" below the outlet connection on the coil(s). Thi

37Figure 3-13Steam Coil Piping (20 through 30 Ton Units)Steam Coil Piping (40 through 130 Ton Units)

38Installation (Continued)Disconnect Switch External Handle(Factory Mounted Option)Units ordered with the factory mounted disconnect switchcomes equip

4General InformationModel Number DescriptionAll products are identified by a multiple character modelnumber listed on the unit nameplate. An explanati

39Installation (Continued)2. If the unit is not equipped with an optional factory in-stalled non-fused disconnect switch, a field supplied dis-connect

40Figure 3-14 (Continued)Typical Field Power Wiring (90 thru 130 Ton)Table 3-6Customer Connection Wire Range

41Table 3-7Electrical Service Sizing Data (20 through 130 Ton)Unit 200/60/3, Nominal 230/60/3, Nominal 460/60/3, Nominal 575/60/3, NominalComponent(s)

42Table 3-7 (Continued)Electrical Service Sizing Data (20 through 130 Ton)Unit 200/60/3, Nominal 230/60/3, Nominal 460/60/3, Nominal 575/60/3, Nominal

43Figure 3-15 Power Wire Sizing and Protection Device EquationsTo correctly size the main power wiring for the unit, use the appropriate calculation(s

44Power Wire Sizing and Protection Device Equations (Continued)RDE = (1.5 x LOAD 1) + LOAD 2 + LOAD 3 + LOAD 4The selected RDE value will be the large

45Installation (Continued)Field Installed Control WiringThe Rooftop Module (RTM) must have a mode input in or-der to operate the rooftop unit. The fle

46Installation (Continued)The occupied cooling setpoint ranges between 40 and 80Fahrenheit. The warm-up setpoint ranges between 50 and90 degrees Fahre

47Installation (Continued)Remote Minimum Position Potentiometer (5U70)(BAYSTAT023A)The remote minimum position potentiometer is used onunits with an e

48PURGESupply Fan - OnInlet Vanes - Open (if equipped)Exhaust Fan - On (if equipped)Exhaust Dampers - Open (if equipped)OA Dampers - OpenHeat - All he

5Sample Model No.: S X H G - D 1 1 4 0 A H 7 C G 8 D 1 0 0 1 AT,etc Digit No.: 1 2 3 4 5 6 7 8

49Figure 3-16ATypical Field Wiring Diagram for 20 through 130 Ton CV Control OptionsRefer to Wiring Notes on page 51

50Figure 3-16BTypical Ventilation Override Binary Output Wiring Diagram for 20 through 130 Ton CV Control OptionsRefer to Wiring Notes on page 51

51Field Connection Diagram Notes for 20 through 130 Ton CV or VAV Applications

52Figure 3-17ATypical Field Wiring Diagram for 20 through 130 Ton VAV Control OptionRefer to Wiring Notes on page 51

53Figure 3-17BTypical Ventilation Override Binary Output Wiring Diagram for 20 through 130 Ton VAV Control OptionsRefer to Wiring Notes on page 51

54Figure 3-18Typical GBAS Analog Input Wiring Diagram for 20 through 130 Ton CV & VAV Control OptionsGBAS Voltage vs SetpointUnit TypeVAV CV SETPO

Table of ContentsSection One About The Manual ... 2Literature Change History ...

55Unit Start-UpCooling Sequence of OperationTime delays are built into the controls to increase reliabilityand performance by protecting the compresso

56Unit Start-Up (Continued)Lead/Lag OperationWhen Lead/Lag is enabled, each time the system cycles af-ter having stages 1 and 2 "On", "

57Unit Start-Up (Continued)eration. As you review the sequence of operations, keep thefollowing in mind:1. The furnace will not light unless the manua

6General Information (Continued)Unit NameplateOne Mylar unit nameplate is located on the outside upperleft corner of the control panel door. It includ

58Unit Start-Up (Continued)A set of relay contacts are available for external use forheat fail (Information Only).Note: The modulating gas heaters are

59Unit Start-Up (Continued)Use the checklist provided below in conjunction with the“General Unit Requirement" checklist” to ensure that theunit i

60Unit Start-Up (Continued)[ ] Observe the ABC and CBA phase indicator lights on theface of the sequencer. The ABC indicator light will glowif the pha

61Table 4-1Service Test Guide for Component OperationCOMPONENT COMPONENT CONFIGURATION OccBEING TESTED Supply Exhaust Condenser Heat StagesCompressor

62Table 4-1 (Continued)Service Test Guide for Component OperationCOMPONENT COMPONENT CONFIGURATION OccBEING TESTED SupplyExhaust Condenser Heat Stage

63Unit Start-Up (Continued)WARNINGHazardous Voltage!Disconnect all electric power, including remote discon-nects before servicing. Follow proper locko

64Figure 4-1Condenser Fan Location with Human Interface Designator5. Use Table 4-1 to program the Supply Fan for operationby scrolling through the dis

65Unit Start-Up (Continued)Use this data to assist in calculating a new fan drive if theCFM is not at design specifications.An alternate method with l

66Unit Start-Up (Continued)Exhaust Airflow Measurement(Optional with all Units)1. Close the disconnect switch or circuit protector switchthat provides

67Figure 4-220 & 25 Ton Supply Fan Performance without Inlet Guide Vanes0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.00 2000 4000 6000 8000 1

7Rooftop Module (RTM - 1U48 Standard on all units)The Rooftop Module (RTM) responds to cooling, heating,and ventilation requests by energizing the pro

68Figure 4-2 (Continued)40, 50 & 55 Ton Supply Fan Performance without Inlet Guide Vanes0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.00 2000

69Figure 4-2 (Continued)90, 105, 115, & 130 Ton Supply Fan Performance without Inlet Guide Vanes0 10000 20000 30000 40000 50000 60000012345678940%

70Figure 4-3Wet Airside Pressure Drop at 0.075 lb/cu.ft. 20 through 60 Ton Standard Evaporator Coil4000 5000 6000 7000 8000 9000 1000010000 20000 3000

71Figure 4-3 (Continued)Wet Airside Pressure Drop at 0.075 lb/cu.ft. 70 through 130 Ton Standard Evaporator Coil20000 30000 40000 50000 600000.20.30.4

72Figure 4-3 (Continued)Wet Airside Pressure Drop at 0.075 lb/cu.ft. 20 through 105 Ton Hi-Cap Evaporator Coil(Hi-Cap Not Available on 115 & 130 T

73Figure 4-420 & 25 Ton Supply Fan Performance with Inlet Guide Vanes0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.00 2000 4000 6000 8000 1000

74Figure 4-4 (Continued)40, 50 & 55 Ton Supply Fan Performance with Inlet Guide Vanes0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.00 2000 400

75Figure 4-4 (Continued)90, 105, 115, & 130 Ton Supply Fan Performance with Inlet Guide Vanes0 10000 20000 30000 40000 50000 60000012345678940% WO

76Table 4-220 through 75 Ton Component Static Pressure Drops (Inches W.C.)Econ. CFM Perm Bag Cartridge Std With OrNom STDSEHF/GStd. High Wir

77Table 4-2 (Continued)90 through 130 Ton Component Static Pressure Drops (Inches W.C.)Econ. CFM Perm Bag Cartridge Std With OrNom STDSEHF/G

8General Information (Continued)Ventilation Control Module (VCM - Design specialoption only)The Ventilation Control Module (VCM) is located in the fil

78Table 4-3 (Continued)20 through 75 Ton 100% Modulating Exhaust Fan Performance Negative Static PressureCfm 0.25" W.G. 0.50" W.G. 0

79Table 4-420 through 75 Ton 50% Modulating Exhaust Fan Performance Negative Static PressureCfm 0.20" W.G. 0.40" W.G. 0.60&

80Unit Start-Up (Continued)Economizer Damper AdjustmentExhaust Air DampersVerify that the exhaust dampers (if equipped) close tightlywhen the unit is

81Unit Start-Up (Continued)To relocate the fresh air/return air connecting rod to balancethe fresh air damper pressure drop against the return staticp

82Unit Start-Up (Continued)Figure 4-5Fresh Air & Return Air Linkage AdjustmentCompressor Start-Up(All Systems)1. Ensure that the "System"

83Unit Start-Up (Continued)Note: Do Not release refrigerant to the atmosphere!If adding or removing refrigerant is required, theservice technician mu

84Figure 4-6Compressor Locations

85Table 4-620 Ton Operating Pressure Curve (All Compressors and Condenser Fans "On")COOLING CYCLE PRESSURE CURVE(Based on Indoor Airflow of

86Table 4-6 (Continued)30 Ton Operating Pressure Curve (All Compressors and Condenser Fans "On")COOLING CYCLE PRESSURE CURVE(Based on Indoor

87Table 4-6 (Continued)50 Ton Operating Pressure Curve (All Compressors and Condenser Fans, per ckt; "On")COOLING CYCLE PRESSURE CURVE(Based

9General Information (Continued)3S69 is a binary input device used on all rooftop unitsequipped with an exhaust fan. It is located in the exhaustfan s

88Table 4-6 (Continued)55 Ton Hi Operating Pressure Curve (All Compressors and Condenser Fans, per ckt, "On")50 55 60 65 70 75 80 85 90 95 1

89Table 4-6 (Continued)60 Ton Hi Operating Pressure Curve (All Compressors and Condenser Fans, per ckt; "On")50 55 60 65 70 75 80 85 90 95 1

90Table 4-6 (Continued)75 Ton Standard Operating Pressure Curve (All Compressors and Condenser Fans, per ckt, "On")50 55 60 65 70 75 80 85

91Table 4-6 (Continued)90 Ton Operating Pressure Curve (All Compressors and Condenser Fans, per ckt; "On")COOLING CYCLE PRESSURE CURVE(Base

92Table 4-6 (Continued)115 Ton Operating Pressure Curve (All Compressors and Condenser Fans, per ckt; "On")COOLING CYCLE PRESSURE CURVE(Base

93Unit Start-Up (Continued)With the unit operating at "Full Circuit Capacity", acceptablesubcooling ranges between 14 F to 22 F.Measuring Su

94Unit Start-Up (Continued)Damper InstallationWhen a unit is ordered with the low ambient option (i.e.,Digit 19 is a “1” in the model number), a dampe

95Unit Start-Up (Continued)The volume of air supplied by the combustion blower deter-mines the amount of oxygen available for combustion, whilethe man

96Table 4-8Natural Gas Combustion Curve(Ratio of Oxygen to Carbon Dioxide in percent)01234567891011121314151617180123456789101112131415161718192021Per

97Unit Start-Up (Continued)Full Modulating Gas FurnaceFull Modulating gas heaters are available for the 500, 850and 1000 MBH heater sizes. These heate