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RT-SVX35H-EN

Table of Contents

Overview of Manual . . . . . . . . . . . . . . . . . . 3

Model Number Descriptions

. . . . . . . . . . . . . . 5

General Information

. . . . . . . . . . . . . . . . . . . . . 7

Unit Nameplate Locations  . . . . . . . . . . . . .  7
Precautionary Measures   . . . . . . . . . . . . . .  7
Commonly Used Acronyms   . . . . . . . . . . .  7
Unit Description  . . . . . . . . . . . . . . . . . . . . .  7
Constant Volume (CV) Units  . . . . . . . . . .  12
Variable Air Volume (VAV) Units   . . . . . .  12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Unit Inspection  . . . . . . . . . . . . . . . . . . . . .  16
Storage  . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
Unit Clearances   . . . . . . . . . . . . . . . . . . . .  16
Unit Dimensions & Weight Information .  16
Roof Curb and Ductwork  . . . . . . . . . . . . .  27
Pitch Pocket Location  . . . . . . . . . . . . . . . .  27
Unit Rigging & Placement  . . . . . . . . . . . .  28
General Unit Requirements . . . . . . . . . . .  30
Main Electrical Power Requirements  . . .  30
Field Installed Control Wiring  . . . . . . . . .  30
Requirements for Electric Heat Units  . . .  30
Requirements for Gas Heat  . . . . . . . . . . .  30
Requirements for Hot Water Heat (WLHE) 31
Requirements for Steam Heat (WSHE) . .  31
O/A Pressure Sensor and Tubing

Installation   . . . . . . . . . . . . . . . . . . . . . . . .  31
Condensate Drain Connection   . . . . . . . .  31
Shipping Fasteners   . . . . . . . . . . . . . . . . .  32
O/A Sensor & Tubing Installation  . . . . . .  33
Gas Heat Units (WFHE)   . . . . . . . . . . . . . .  34
Modulating  . . . . . . . . . . . . . . . . . . . . . . . .  37
Steam Heat Units (WSHE)  . . . . . . . . . . . .  38
Chilled Water Units   . . . . . . . . . . . . . . . . .  41
Disconnect Switch External Handle

(Factory Mounted Option) . . . . . . . . . . . . 41
Electric Heat Units (WEHE) . . . . . . . . . . . 42
Power Wire Sizing and Electrical Service

Sizing Equations . . . . . . . . . . . . . . . . . . . . 47
Constant Volume System Controls . . . . . 49

Variable Air Volume System Controls . . .49
Constant Volume or Variable Air Volume

System Controls . . . . . . . . . . . . . . . . . . . . .49

System Start-up

. . . . . . . . . . . . . . . . . . . . . . . . .64

Cooling Sequence of Operation

(IntelliPak Controls Only) . . . . . . . . . . . . . .64
Gas Heating Sequence of Operation   . . . .65
Modulating Gas Sequence of Operation  .66
Voltage Supply and Voltage Imbalance  . .74
Verifying Proper Fan Rotation . . . . . . . . . .75
System Airflow Measurements   . . . . . . . .76
Variable Air Volume Systems  . . . . . . . . . .77
Exhaust Airflow Measurement (Optional

with all Units) . . . . . . . . . . . . . . . . . . . . . . .78

Traq™ Sensor Airflow Measurement

(Optional with all units equipped with an

economizer) . . . . . . . . . . . . . . . . . . . . . . . .79
Economizer Damper Adjustment . . . . . . .89

Thermostatic Expansion Valves . . . . . . . . .92

Electric, Steam and Hot Water Start-Up

(Constant Volume & Variable Air Volume

Systems)  . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Gas Furnace Start-Up   . . . . . . . . . . . . . . . .93
Two Stage Gas Furnace . . . . . . . . . . . . . . .93
Heat Exchanger   . . . . . . . . . . . . . . . . . . . . .96
Unit Control   . . . . . . . . . . . . . . . . . . . . . . . .96
Limited Modulating Gas Furnace  . . . . . . .97

Service & Maintenance

. . . . . . . . . . . . . . . . . .99

VFD Programming Parameters  . . . . . . . .102
Fan Belt Adjustment   . . . . . . . . . . . . . . . .103
Monthly Maintenance  . . . . . . . . . . . . . . .111

. . . . . . . . . . . . . . . . . . . . . . . . . .114

Warranty and Liability Clause

. . . . . . . . . . . .115

Commercial Equipment Rated 20 Tons

and Larger and Related Accessories . . .115

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116

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Содержание IntelliPak WEHE Series

Страница 1: ...s specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precauti...

Страница 2: ...t this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTIONs Indicates a potentially hazardous situa...

Страница 3: ...r this equipment These units are available with an optional electronic Unit Control Module UCM network which provides operating functions that are significantly different than conventional units Refer...

Страница 4: ...n 41 Electric Heat Units WEHE 42 Power Wire Sizing and Electrical Service Sizing Equations 47 Constant Volume System Controls 49 Variable Air Volume System Controls 49 Constant Volume or Variable Air...

Страница 5: ...heat the following values apply D 30 kW H 50 kW L 70 kW N 90 kW Q 110 kW R 130 kW U 150 kW V 170 kW W 190 kW Note When the second digit calls for L Hot Water or S Steam Heat one of the following valve...

Страница 6: ...with Electric Heat H Horizontal Not available with Electric Heat DIGIT 20 AGENCY APPROVAL 0 None 1 cULus DIGITS 21 42 MISCELLANEOUS 21 A Unit Disconnect Switch 22 B Hot Gas Bypass 23 0 Without Econom...

Страница 7: ...ommunications bridge LCI I LonTalk Communication Interface for IntelliPak LH Left hand MCM Multiple compressor module MWU Morning warm up NSB Night setback O A Outside air psig Pounds per square inch...

Страница 8: ...o the following discussion for an explanation of each module function Rooftop Module RTM 1U48 The Rooftop Module RTM responds to cooling heating and ventilation requests by energizing the proper unit...

Страница 9: ...ication should be Switches 1 and 2 Off Switch 3 On Trane Communications Interface Module TCI Optional 1U54 used on units with Trane ICS The Trane Communication Interface module expands communications...

Страница 10: ...reset VAV supply air temperature low limiting CV supply air tempering CV VAV It is mounted in the supply air discharge section of the unit and is connected to the RTM 1U48 Return Air Temperature Senso...

Страница 11: ...with 100 economizer It monitors the outdoor humidity levels for economizer operation It is mounted in the fresh air intake section and is connected to the RTM 1U48 Return Air Humidity Sensor 3U64 Is a...

Страница 12: ...ir Temperature Whena VAVunitsisequippedwith ModulatingHeat and the system is in an occupied mode and the field supplied changeover relay contacts 5K87 have closed the supply air temperature will be co...

Страница 13: ...arget which will be used throughout the Supply Fan Speed OA Damper Position range The Exhaust Enable Target could be above or below the Active Building Design OA Minimum Position Target Setpoint based...

Страница 14: ...as reached the Minimum Setpoint and compressors are being utilized to meet the demand as the discharge air target setpoint value continues to calculate lower the algorithm will begin to ramp the suppl...

Страница 15: ...General Information RT SVX35H EN 15 Figure 1 Unit component layout and ship with locations...

Страница 16: ...electrical compartments and motors if a The unit is stored before it is installed or b The unit is set on the roof curb and temporary heat is provided in the building Isolate all side panel service e...

Страница 17: ...Installation RT SVX35H EN 17 Figure 2 Typical control module location...

Страница 18: ...e not staggered 4 4 minimum clearance for Casing 2 6 20 75 ton units 8 minimum clearance for Casing 9 90 130 ton units Staggering the units a minimizes span deflection which deters sound transmission...

Страница 19: ...0 25 Ton Low 235 195 5 32 9 5 32 High 500 195 5 32 9 5 32 Note The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rail Figure 4 W_HE casi...

Страница 20: ...ght 30 Ton Low 350 195 5 32 9 5 32 High 500 195 5 32 9 5 32 a The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rail Figure 5 W_HE casin...

Страница 21: ...ight 40 Ton Low 350 240 1 8 9 5 32 High 850 231 1 8 9 5 32 a The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rail Figure 6 W_HE casing...

Страница 22: ...ight 50 Ton Low 500 240 1 8 9 5 32 High 850 231 1 8 9 5 32 a The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rail Figure 7 W_HE casing...

Страница 23: ...t 60 75 Ton Low 500 240 1 8 9 5 32 High 850 231 1 8 9 5 32 a The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rail Figure 8 W_HE casing...

Страница 24: ...9 Furnace Size MBH Dimensions a Length Height 90 130 Ton 1000 267 3 16 10 11 32 a The length dimension is from the exhaust end of the unit The height dimension is from the bottom of the unit base rai...

Страница 25: ...4 12 4 3 4 12 4 3 4 N A N A 6 12 4 4 1 12 4 4 0 12 2 4 0 12 2 4 0 N A N A 9 13 4 5 7 13 1 5 4 13 0 5 4 12 10 5 4 12 9 5 2 Unit Model Casing Size Units without Exhaust Fan Std DX Coil 2 Row 4 Row 6 Ro...

Страница 26: ...4510 4775 4380 4740 5005 4610 510 4 5324 5500 5170 5575 6050 5420 5840 6315 5685 6105 6580 5950 550 5 5945 6430 5790 6155 6630 6000 6480 6955 6325 6795 7270 6640 550 6 7070 7545 6915 7265 7740 7110 7...

Страница 27: ...s Do not cut out the entire roof deck within the curb perimeter Trane s Engineering Bulletin RT PRB022 EN provides additional information concerning duct design and sound reduction Pitch Pocket Locati...

Страница 28: ...the top of the unit should be 7 feet for casings 2 through 9 Figure 10 p 29 illustrates the installation of spreader bars to protect the unit and to facilitate a uniform lift 2 Test lift the unit to e...

Страница 29: ...Installation RT SVX35H EN 29 Figure 10 Unit rigging Figure 11 Typical unit base roof curb cross section...

Страница 30: ...elines Note All field installed wiring must comply with NEC and applicable local codes Requirements for Electric Heat Units All WEHE Units 380 minimum voltage Verify that the power supply complies wit...

Страница 31: ...the controlled space Condensate Drain Connection Each casing 2 through 6 unit is equipped with a 1 evaporator condensate drain connection 1 25 on Casing 9 on each side of the unit Due to the size of...

Страница 32: ...led beneath each fan assembly and must be remove To locate and remove these channels refer to Figure 13 p 32 and use the following procedures 1 Remove and discard the shipping bolts from the fan assem...

Страница 33: ...neumatic tubing mounting hardware 2 Using two 10 32 x 1 3 4 screws provided install the sensor s mounting bracket to the factory installed bracket near the filter section 3 Using the 10 32 x 1 2 screw...

Страница 34: ...m being drawn in with the gas 4 Ensure that all piping connections are adequately coated with joint sealant and properly tightened Use a piping compound that is resistant to liquid petroleum gases 5 P...

Страница 35: ...t in an explosion Use a leak test solution for leak testing Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property only damage Table 6...

Страница 36: ...g 500 21 7 10 7 9 7 2 3 1 850 H 6 10 6 8 7 1 3 1 1000 N 5 10 5 8 7 0 9 0 LP Heater Size MBH Gas Orifice Full Modulation Partial Modulation Valve Actuator Air Damper Actuator Voltage Range VDC Air Damp...

Страница 37: ...and center the pipe clamp over joint 6 Using the pre punched holes in the flue assembly extension and the vertical support install the appropriate number of mounting brackets Refer to Figure 21 for de...

Страница 38: ...when the tube water velocity exceeds 1 5 feet per second fps If the tube velocity is less than 1 5 feet per second either a Install an automatic air vent at the top of the return header using the tap...

Страница 39: ...the return branch line as close as possible to the condensate return main and downstream of any other device 9 Install a strainer as close as possible to the inlet of the control valve and steam trap...

Страница 40: ...Installation 40 RT SVX35H EN Figure 23 Hot water piping configuration for W_HE casing 9 Figure 24 Steam coil piping configuration for W_HE casings 2 3...

Страница 41: ...uipped with an externally mounted handle This allows the operator to disconnect power from the unit without having to open the control panel door The handle locations and its three positions are shown...

Страница 42: ...and the Electrical Service Sizing Equations beginning on p 47 to determine the appropriate wire size and Maximum Over Current Protection for the heaters unit Note Each power supply must be protected f...

Страница 43: ...ation for determining the correct size 3 Location for the electrical service entrance is shown in Figure 4 p 19 Figure 8 p 23 Complete the unit s power wiring connections onto either the main terminal...

Страница 44: ...Installation 44 RT SVX35H EN Figure 27 Typical field power wiring for W_HE casings 2 through 6...

Страница 45: ...Installation RT SVX35H EN 45 Note Refer to Figure 29 p 46 for Customer Connection Wire Range notes Figure 28 Typical field power wiring for W_HE casings 9...

Страница 46: ...HE Only FLA 1 FLA 1 FLA 1 FLA 1 30 Kw 83 3 72 2 36 1 28 9 50 Kw 138 8 120 3 60 1 48 1 70 Kw 194 3 168 4 84 2 67 4 90 Kw 249 8 216 5 108 3 86 6 110 Kw 305 3 264 6 132 3 105 9 130 Kw n a n a 156 4 125 1...

Страница 47: ...heaters equal to or greater than 50 kW MCA 1 25 x LOAD 1 LOAD 2 LOAD 4 LOAD 3 The nameplate MCA value will be the larger of the cooling mode MCA value or the heating mode MCA value calculated above MO...

Страница 48: ...ayout of the various control options available for a Constant Volume application with the required number of conductors for each device is illustrated in Figure 30 p 53 Figure 33 p 57 illustrates the...

Страница 49: ...witches the system to a CV type mode of operation Refer to the unit wiring diagram for the field connection terminals in the unit control panel The switch must be rated at 12 ma 24 VDC minimum Constan...

Страница 50: ...osition which controls the amount of outside air entering the unit Use the installation instructions that shipped with the potentiometer toinstall it and the appropriate illustrations in Figure 27 p 4...

Страница 51: ...the following predefined unit operation PRESSURIZE Supply Fan On Exhaust Fan Off if equipped Exhaust Dampers Closed if equipped OA Dampers Open Heat All heat stages Off staged gas and elec Hydronic h...

Страница 52: ...e proper connection terminals in the unit control panel Refer to Table 3 10 for Temperature vs Resistance coefficient Generic Building Automation System 1U51 The Generic Building Automation System GBA...

Страница 53: ...Installation RT SVX35H EN 53 Figure 30 Typical field wiring schematic for W_HE casings 2 9 CV control options Refer to wiring notes Figure 32 p 56...

Страница 54: ...Installation 54 RT SVX35H EN Figure 31 Typical ventilation override binary output wiring diagram for W_HE casings 2 9 CV control options Refer to wiring notes Figure 32 p 56...

Страница 55: ...nstallation RT SVX35H EN 55 Figure 31 continued from previous page typical ventilation override binary output wiring diagram for W_HE casings 2 9 CV control options Refer to wiring notes Figure 32 p 5...

Страница 56: ...Installation 56 RT SVX35H EN Figure 32 Wiring notes for CV controls...

Страница 57: ...Installation RT SVX35H EN 57 Figure 33 Typical ventilation override binary output wiring schematic for W_HE casings 2 9 VAV control options Refer to wiring notes Figure 35 p 60...

Страница 58: ...Installation 58 RT SVX35H EN Figure 34 Typical ventilation override binary output wiring diagram for W_HE casings 2 9 VAV control options Refer to wiring notes Figure 35 p 60...

Страница 59: ...stallation RT SVX35H EN 59 Figure 34 continued from previous page Typical ventilation override binary output wiring diagram for W_HE casings 2 9 VAV control options Refer to wiring notes Figure 35 p 6...

Страница 60: ...Installation 60 RT SVX35H EN Figure 35 Wiring notes VAV...

Страница 61: ...to 90 F X S A Heating Setpoint VAV Hydro Only 0 5 to 4 5 vdc 40 to 180 F X X Space Static Pressure Setpoint 0 5 to 4 5 vdc 0 03 to 0 3 IWC X Supply Duct Static Pressure Setpoint 0 5 to 4 5 vdc 0 00 to...

Страница 62: ...Installation 62 RT SVX35H EN Figure 36 continued from previous page Typical GBAS analog input wiring schematic for W_HE casings 2 through 9 CV or VAV control options...

Страница 63: ...0 to 90 F Econ Dry Bulb Enable Setpoint 0 5 to 4 5 VDC 0 5 to 9 5 VDC 50 to 140 F SA_Reheat_Setpoint 0 5 to 4 5 VDC 0 5 to 9 5 VDC 60 to 90 F Minimum Position Setpoint 3 0 5 to 4 5 VDC 0 5 to 9 5 VDC...

Страница 64: ...n speed for units with 2 stages of DX Cooling will be 37 of the unit s full airflow capacity At Stage 1 of DX Cooling the minimum Fan Speed will be 37 and at Stage 2 of DX Cooling the Fan Speed will b...

Страница 65: ...g the unit is limited to the systems operating cfm As the CO2 concentration decreases the effective reset setpoint value is adjusteddownwardtowardthe minimum outside air cfm setpoint Units equipped wi...

Страница 66: ...me delay relay 4DL4 is de energized The combustion blower motor will continue to operate for approximately 15 seconds to purge the heat exchanger on the Off cycle Modulating Gas Sequence of Operation...

Страница 67: ...11 continues to run as long as a heating requirement exists and control circuit switch 4S24 is ON Once locked out on flame failure the IC board will not reactivate the ignition combustion control circ...

Страница 68: ...System Start up 68 RT SVX35H EN Figure 38 Typical fenwall ignition control system...

Страница 69: ...System Start up RT SVX35H EN 69 Figure 39 Typical Fenwall ignition control system...

Страница 70: ...System Start up 70 RT SVX35H EN Figure 40 Typical modulating gas heat schematic connections diagram...

Страница 71: ...System Start up RT SVX35H EN 71 Figure 40 continued from previous page Typical modulating gas heat schematic connections diagram...

Страница 72: ...heating load Wet Heat Sequence of Operation Electrical circuitry for units with steam or hot water heat is limited to the connections associated with the modulating valve actuator 4U15 and the freeze...

Страница 73: ...with the General Unit Requirement checklist to ensure that the unit is properly installed and ready for operation Be sure to complete all of the procedures described in this section before starting th...

Страница 74: ...is ABC If the CBA indicator light glows open the disconnect switch or circuit protection switch and reverse any two power wires Restore the main electrical power and recheck the phasing If the phasing...

Страница 75: ...losed 100 Open 100 Default GAS HEAT Full Cap On Off On On N A Closed Closed 100 Unocc Stage 1 On Off On Off N A Closed Closed 100 Unocc Stage 2 On Off Off On N A Closed Closed 100 Unocc Full Modulatin...

Страница 76: ...the disconnect switch inthe open position while working at the unit c Interchange any two of the field connected main power wires at the unit terminal block 1TB1 or the factory mounted disconnect swit...

Страница 77: ...ator coil This can be accomplished by a Drilling a small hole through the unit casing on each side of the coil b Measure the difference between the pressures at both locations c Plot this value onto t...

Страница 78: ...Figure 47 Figure 48 p 83 Use the data in Table 22 p 101 Component Static Pressure Drops to assist in calculating a new fan drive if the cfm is not at design specifications d Plug the holes after the...

Страница 79: ...onents is complete press the NEXT key until the LCD displays the Start test in __Sec screen Press the key to designate the delay before the test is to start This service test will begin after the TEST...

Страница 80: ...5 HP 20 HP 15 HP 10 HP 7 5 HP 5 HP 3 HP 1200 RPM 1100 RPM 1000 RPM 900 RPM 800 RPM 700 RPM 600 RPM 500 RPM CFM Static Presure InWC Figure 43 W_HE casing 3 supply fan performance curve W_HE Casing 3 Du...

Страница 81: ...0 40 HP 40 WOCFM 30 HP 25 HP 20 HP 15 HP 10 HP 7 5 HP 5 HP 1200 RPM 1100 RPM 1000 RPM 900 RPM 800 RPM 700 RPM 600 RPM 500 RPM CFM Static Presure InWC Figure 45 W_HE casing 6 supply fan performance cur...

Страница 82: ...P 1600 R PM 1500 R PM 1400 R PM 1300 R PM 1200 R PM 1100 R PM 1000 R PM 900 R PM CFM Static Presure Inches w c Figure 47 Wet airside pressure drop at 0 075 lb cu ft casing 2 9 standard evaporator coil...

Страница 83: ...s 2 9 standard evaporator coil 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 2 0 Casing6 C a s i n g 2 C a s i n g 9 Casing5 c a s i n g 4 C a s i n g 3 Evaporator DryAirside Pressure Drop at 0 075 lb cu ft...

Страница 84: ...7 36 14 11 11 13 16 08 16 12000 36 48 20 15 16 17 22 11 21 16000 57 73 34 26 29 28 36 20 36 17000 62 79 N A 29 32 31 39 22 41 20000 81 99 N A 41 44 42 52 30 51 22000 94 1 13 N A 50 53 51 63 36 62 4 Ro...

Страница 85: ...07 03 56 50 07 08 17000 10 10 04 72 68 12 11 20000 12 12 05 88 88 19 17 24000 16 16 07 1 11 1 17 30 23 28000 20 20 10 39 30 6 12000 05 05 01 44 37 02 07 16000 07 07 02 63 58 05 10 20000 10 10 03 84 8...

Страница 86: ...0 7 800 8 900 9 1000 A 1200 C 800 8 900 9 1000 A 1100 B 1300 D 900 9 1000 A 1100 B 1200 C 1400 E 1300 D 4 500 5 700 7 800 8 900 9 1000 A 1000 A 600 6 800 8 900 9 1000 A 1100 B 1100 B 700 7 900 9 1000...

Страница 87: ...516 7 41 559 7 19 609 7 32 662 7 76 719 8 49 776 9 44 833 10 56 887 11 79 20000 566 10 31 602 9 91 644 9 88 690 10 15 739 10 69 789 11 48 841 12 48 893 13 68 6 12000 351 1 49 423 2 09 502 3 00 572 4...

Страница 88: ...0 7 900 9 1000 A 800 8 1000 A 1100 B 900 9 4 400 4 600 6 700 7 500 5 700 7 800 8 600 6 800 8 700 7 800 8 5 400 4 600 6 700 7 700 7 500 5 700 7 800 8 800 8 600 6 800 8 900 9 700 7 800 8 6 400 4 600 6 6...

Страница 89: ...39 686 2 77 740 3 18 9000 508 2 80 540 2 92 578 3 13 618 3 40 662 3 72 706 4 09 751 4 50 11000 609 5 05 633 5 16 661 5 34 691 5 58 723 5 87 756 6 21 792 6 59 6 4000 271 0 29 364 0 54 438 0 82 499 1 07...

Страница 90: ...in order to match the return static pressure Refer to Table 31 for the equivalent return air duct losses that correspond to each of the holes illustrated in Figure 49 p 93 To Adjust the Fresh Air Dam...

Страница 91: ...anges and linkage positions in Table 32 p 92 for the unit size and operating cfm To relocate the fresh air return air connecting rod to balance the fresh air damper pressure drop against the return st...

Страница 92: ...6 1 2 3 4 5 6 6000 0 03 0 04 0 07 0 15 0 20 0 43 14000 0 03 0 04 0 12 0 25 0 35 1 05 8000 0 03 0 05 0 11 0 21 0 30 0 90 18000 0 19 0 21 0 32 0 52 0 75 1 75 10000 0 15 0 19 0 26 0 43 0 62 1 50 22000 0...

Страница 93: ...e pressure reading to a corresponding saturated vapor temperature 3 Measured the suction line temperature as close to the expansionvalvebulb as possible Usea thermocouple type probe for an accurate re...

Страница 94: ...mixture for a furnace results in rated burner output limited production of carbon monoxide and a steady flame that minimizes nuisance shutdowns Two Stage Gas Furnace High Fire Adjustment 1 Use Table...

Страница 95: ...ous section to operate the furnace in the low fire state 1st Stage 2 Use aCO2 analyzer andmeasure the percentageofCO2 in the flue gas Refer to the illustration in Figure 50 p 95 Take several samples t...

Страница 96: ...e ratio of O2 to C02 in percent 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Percent Oxygen Percent Carbon Dioxide Curve Fuel A 1 000 BTU per...

Страница 97: ...START key to start the test Remember that the delay designated in the previous step must elapse before the system will begin to operate 4 Once the system has started check the appearance of the flame...

Страница 98: ...ition of the air damper in turn controls the combustion air pressure that is sensed by the modulating gas valve The greater the combustion air pressure the greater the call for gas and the higher the...

Страница 99: ...for proper unoccupied operation Refer to the programming instructions for the specific panel Verify that the Remote panel System selection switch Fan selectionswitch and ZoneTemperature settings for c...

Страница 100: ...8 0 03 0 12 wc 0 15 0 05 wc rise in press diff Disch High Limit Electric Heat Only 4S27 133 5 F 110 5 F Linear High Limit Electric Heat Only 4S33 185 10 F std cULus 165 F 10 F cULus 145 F std cULus 12...

Страница 101: ...Service Maintenance 100 RT SVX35H EN Figure 55 Unit internal fuse replacement data for air cooled units...

Страница 102: ...2 15 24 X 24 X 19 15 24 X 24 X 12 15 24 X 24 X 2 a Dimensions shown for Panel Type Filters apply to Throw away Cleanable Wire Mesh and High Efficiency Throw away Filters b W_HE units ordered with Bag...

Страница 103: ...tor Coil Casing Size ft2 Rows Fin Series Tube Diameter Surface 2 20 3 4 168 1 2 Enhanced 20 3 4 168 1 2 Enhanced 3 25 5 5 168 3 8 Enhanced 4 32 5 5 168 3 8 Enhanced 5 38 4 168 1 2 Enhanced 6 43 6 168...

Страница 104: ...llow the applicable steps in the Final Unit Checkout section to return the unit to its normal operating mode 9 Fan Belt Adjustment The supply fan belts and optional exhaust fan belts must be inspected...

Страница 105: ...Section Small P D Range Deflection Force Lbs Super Gripbelts Gripnotch Steel Cable Gripbelts Min Max Min Max Min Max A 3 0 3 6 3 4 1 2 3 7 8 5 1 2 3 1 4 4 3 8 4 8 3 1 2 5 4 1 2 6 1 4 3 3 4 4 3 4 5 0 7...

Страница 106: ...Service Maintenance RT SVX35H EN 105 Figure 58 Typical power wiring schematic power wires standard casing 2 9 air handler with optional controls...

Страница 107: ...Service Maintenance 106 RT SVX35H EN Figure 58 continued from previous page Typical power wiring schematic power wires standard casing 2 9 air handler with optional controls...

Страница 108: ...Service Maintenance RT SVX35H EN 107 Figure 59 Typical wiring schematic for air handler with DX coil casing 2 9...

Страница 109: ...Service Maintenance 108 RT SVX35H EN Figure 59 continued from previous page Typical wiring schematic for air handler with DX coil casing 2 9...

Страница 110: ...Service Maintenance RT SVX35H EN 109 Figure 60 Typical wiring schematic for air handler chilled water with or without preheat casing 2 9...

Страница 111: ...Service Maintenance 110 RT SVX35H EN Figure 60 continued from previous page Typical wiring schematic for air handler chilled water with or without preheat casing 2 9...

Страница 112: ...Maintenance RT SVX35H EN 111 Monthly Maintenance Before completing the following checks turn the unit OFF and lock the main power disconnect switch open Figure 61 Typical RTM wiring schematic for cas...

Страница 113: ...re complete Heating Season Before completing the following checks turn the unit OFF and lock the main power disconnect switch open Inspect the unit s air filters If necessary clean or replace them Che...

Страница 114: ...Spray the leaving airflow side of the coil first then spray the opposite side of the coil Allow the cleaning solution to stand on the coil for five minutes 6 Rinse both sides of the coil with cool cle...

Страница 115: ...hematic Power w Sup Exh Rtn VFD Air Handler 2308 6129 Connection Unit Control Module w Supply VFD 2308 6130 Connection Unit Control Module w Exh Rtn VFD 2308 6131 Connection Unit Control Module w Sup...

Страница 116: ...forth herein are in lieu of all other warranties and liabilities whether in contract or in negligence express or implied in law or in fact including implied warranties of merchantability and fitness f...

Страница 117: ...w location 96 air damper 96 air filters 112 air flow switch 66 air pressure sensing line 97 air temperature sensor 96 air to gas ratio 97 Air Volume Adjustment 94 Altitude Correction Factors 36 ambien...

Страница 118: ...13 Dimensions Casing 2 19 Dimensions Casing 3 20 Dimensions Casing 4 21 Dimensions Casing 5 22 Dimensions Casing 6 23 24 direct expansion DX evaporator coils 7 Disconnect Switch External Handle 41 42...

Страница 119: ...r 96 97 heat exchanger 96 112 heat exchanger drum 96 Heat Fail diagnostic 72 Heat Module 9 11 66 heat module 96 97 heat section control box 72 Heat Stages 1 2 93 Heating Season 112 HI 1U65 9 High Duct...

Страница 120: ...ng connections 112 Pitch Pocket Location 27 post purge time delay relay 66 Power Wire Sizing 47 Power Wiring Casing 9 45 Power Wiring Casings 2 6 44 Preheat Actuate Temperature Setpoint 65 Pressure In...

Страница 121: ...Tracer Summit 9 Transducer Voltage Output 12 Traq 79 Traq Sensor 65 Traq sensor 79 Traq Sensor Airflow Measurement 79 Traq Sensor Sequence of Operation 10 Traq Sensor 65 Two Stage Gas Furnace 93 two...

Страница 122: ...r of Gravity Data 25 water carryover 113 WEHE Units w 200V or 230V Electric Heat 30 Weight Information 16 Wet Heat 72 101 Wet heat actuator 72 Wet Heat Coil Fin Data 101 Wet Heat Sequence of Operation...

Страница 123: ...e are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercia...

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