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RT-SVX51L-EN

Wiring Diagrams

Note:

Wiring diagrams can be accessed via e-Library by

entering the diagram number in the literature order

number search field or by contacting technical
support.

Table 21.

Wiring diagrams

Type of

Airflow

Schematic Type

Voltage

Diagram

Number

Description

Multi-Speed

Fans

Power

208-230

12134575

Schematic, PWR-EM, 208V-230V, 2-Stage GH with VFD - 15T-25T

460-575

12134576

Schematic, PWR-EM, 460V/575V, 2-Stage GH with VFD - 15T-25T

Control

208-575

12134572

GCC180-300, 60Hz, 2-Stage Gas Heat w/VFD

All

Device Location

208-575

12134601

GCC180-300, 60Hz, VFD/Gas Heat

Содержание Foundation GCC180-300

Страница 1: ...Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the t...

Страница 2: ...t is used in these service procedures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applic...

Страница 3: ...o help assure trouble free operation A maintenance schedule is provided at the end of this manual Should equipment failure occur contact a qualified service organization with qualified experienced HVA...

Страница 4: ...28 Unit Disconnect FIYUDC 28 Through the Base Gas Utility Option 29 Field Installed Connections 29 Pre Start 31 Verifying Proper Air Flow Units with Belt Drive Indoor Fan 31 Electromechanical Control...

Страница 5: ...thly Maintenance 40 Filters 40 Condensate Overflow Switch 40 Cooling Season 40 Heating Season 41 Coil Cleaning 41 Troubleshooting 44 Standard Troubleshooting 44 Ignition Module 44 Failures 44 Low Leak...

Страница 6: ...lief1 J Downflow Low Leak Economizer Dry Bulb w o Barometric Relief L Downflow Low Leak Economizer Reference Enthalpy w o Barometric Relief N Downflow Low Leak Economizer Comparative Enthalpy w o Baro...

Страница 7: ...o not proceed with installation of a damaged unit without sales representative approval Inspect the complete exterior for signs of shipping damages to unit or packing material Verify that the nameplat...

Страница 8: ...nd the module will automatically reset from a fault condition Discharge Line Thermostat Control The high pressure controls and the discharge line thermostat signals are wired in series and connected t...

Страница 9: ...nu OCC INPUT Attach the occupancy sensor to the OCC SENSOR wire and R terminal at customer connections The occupancy sensor must utilize a normally open contact for proper operation If an occupancy se...

Страница 10: ...er airflows or recirculation of hot condenser air Figure 1 Typical installation clearance for single and multiple unit applications NOTES 1 FOR HORIZONTAL DISCHARGE UNIT THIS MEASUREMENT IS REDUCED TO...

Страница 11: ...Y GAS CONNECTION G C UNIT ONLY CONDENSATE DRAIN CONNECTION Figure 3 Cooling with optional electrical heat front and side views gas electric NOTES 1 THROUGH THE BASE GAS AND ELECTRICAL IS NOT STANDARD...

Страница 12: ...CTION AND ALL DIMENSIONS WITH INSTALLER DOCUMENTS BEFORE INSTALLATION THROUGH THE BASE ELECTRICAL RETURN SUPPLY 7 3 8 123 1 8 THRU THE BASE GAS G C UNIT ONLY 36 1 16 6 15 16 6 13 16 68 9 16 7 7 16 14...

Страница 13: ...1 16 357 MM 2 51 MM 69 1 2 1765 MM Figure 7 Cooling with optional electrical heat downflow duct connections field fabricated 1 25 4 MM CURB FLANGE LONG SIDES 14 1 16 357 MM 7 7 16 189 MM 73 7 16 1865...

Страница 14: ...ing with optional electric heat barometric relief and economizer NOTES 1 VERIFY WEIGHT CONNECTION AND ALL DIMENSIONS WITH INSTALLER DOCUMENTS BEFORE INSTALLATION 2 BAROMETRIC RELIEF IS FOR USE WITH A...

Страница 15: ...l electric heat manual damper NOTE VERIFY WEIGHT CONNECTION AND ALL DIMENSIONS WITH INSTALLER DOCUMENTS BEFORE INSTALLATION BACK VIEW OF UNIT LEFT VIEW OF UNIT FAN MANUAL DAMPER HOOD 123 1 8 18 1 4 26...

Страница 16: ...20 GCC240A 2350 2025 643 512 403 466 55 37 25 GCC300A 2386 2061 671 524 393 472 55 36 a Weights are approximate Horizontal and downflow unit and corner weights may vary slightly b Weights do not inclu...

Страница 17: ...unit operating weights rigging before proceeding 1 Remove the shipping crate from around the unit Once fork trucking is complete and unit is ready to place on the curb remove all fork access brackets...

Страница 18: ...equired anchor the unit to the roof with hold down bolts or isolators Check with a roofing contractor for proper waterproofing procedures Ductwork Elbows with turning vanes or splitters are recommende...

Страница 19: ...installed disconnect switch and to the main power terminal block HTB1 in the unit control panel Install proper grounding wires to an earth ground Note All field installed wiring must comply with NEC a...

Страница 20: ...r horizontal operation 4 Reinstall the heat section access panel Figure 17 Factory installed down flow TCO1 limit location Gas Heater Conversion Instructions Important Conversion should be made prior...

Страница 21: ...te See the following figure 9 Using three screws install the ship with air orifice plate Figure 21 Remove screws from inducer blower assembly and air orifice plate Figure 22 Remove screws from inducer...

Страница 22: ...nversion is complete scratch off the ink square to the right hand side SCRATCH INK OFF SQUARE WHEN USING SUPPLEMENTAL HEATING DATA on both English and French nameplate 18 Paste the ship with supplemen...

Страница 23: ...s is determined by unit size Access to the filters is obtained by removing the filter access panel Refer to the unit Service Facts shipped with each unit for filter requirements Note Do not operate th...

Страница 24: ...Wiring Through the Base Electrical Option Location of the applicable electrical service is illustrated below Refer to the customer connection diagram that is shipped with the unit for specific termina...

Страница 25: ...n and optional through the base gas shut off valve are rated at 0 50 PSIG maximum A pressure reducing regulator is recommended to prevent this maximum from being exceeded These components must be isol...

Страница 26: ...Gas 8 5 to 9 5 LP Minimum Supply Air Temperature Across Heat Exchanger 40 F a A voltage reading across pens V and V is equatable to the flame sensing current One volt equals one micro amp Table 4 Pip...

Страница 27: ...ernally connected for the proper rotation when the incoming power supply is phased as A B C Proper electrical supply phasing can be quickly determined and corrected before starting the unit by using a...

Страница 28: ...rify that no power is present with a voltmeter Check all electrical connections for tightness and point of termination accuracy Verify that the condenser airflow is unobstructed Verify that the conden...

Страница 29: ...connects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized Verify with a CAT III or IV voltmet...

Страница 30: ...30 RT SVX51L EN Figure 31 Through the base gas piping installation Installation...

Страница 31: ...using the setpoint potentiometer located on the Economizer Control ECA if applicable Electromechanical Controls Test Procedure See unit schematic for correct wire numbers Fan Test and Minimum Ventila...

Страница 32: ...itch is set to the Auto position the thermostat energizes the indoor fan relay coil F to start the indoor fan motor IDM The fan relay F de energizes after the cooling requirement has been satisfied Wh...

Страница 33: ...blinks System lockout failure to ignite no spark low no gas pressure etc Table 8 Ignition module diagnostics continued Three blinks Pressure switch no vent air flow bad CBM closed at initial call for...

Страница 34: ...ign Min Position pot with a range of 0 50 If the Building Design Min Position is set to be higher than the DCV Min Position the setpoints will be capped at the DCV Min Position and the setpoint for th...

Страница 35: ...VENTMAX Closed On Off Low 24 v On 0 v Off VENTMIN L to VENTMAX Closed On On High 24 v On 24 v On VENTMIN H to VENTMAX Closed Yes Off Off Low 0 v Off 0 v Off VENTMIN L to VENTMAX Closed On Off Low 0 v...

Страница 36: ...e enthalpy and dual enthalpy boundaries parameters ES1 through ES5 Enth Curve Temp dry Bulb F Temp dewpoint F Enthalpy btu lb da Point P1 Point P2 Temp F Humid RH Temp F Humid RH ES1 80 0 60 0 28 0 80...

Страница 37: ...emand for cooling When a open circuit has occurred the Frostat opens the 24 Vac ground and opens all of the cooling contactors Initiation of Operating Modes The JADE controller is able to initiate the...

Страница 38: ...he following illustration for the compressor terminal phase identification Do not allow the compressor to operate backwards for more than 5 seconds Operation for a period of time longer than this will...

Страница 39: ...roper belt tension 2 Set the large O ring on the belt tension gauge at the deflection value determined in Step 1b 3 Set the small O ring at zero on the force scale of the gauge plunger 4 Place the lar...

Страница 40: ...ns to ensure free movement and check motor bearings for wear Verify that all of the fan mounting hardware is tight Inspect the F A R A damper hinges and pins to ensure that all moving parts are secure...

Страница 41: ...eaning agents can be either acidic or highly alkaline and can burn severely if contact with skin or eyes occurs Handle chemical carefully and avoid contact with skin ALWAYS wear Personal Protective Eq...

Страница 42: ...42 RT SVX51L EN Table 18 Unit data log continued schematic s connections Network ID Maintenance...

Страница 43: ...sig kPa Liquid Press Psig kPa Superheat F C Sub cool F C Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Superheat F C Sub cool F C ok low ok low ok low ok low ok low ok...

Страница 44: ...to start the unit This procedure will allow you to check all of the external controls relays contactors etc and the IGN 5 Test the system through all of the available modes and verify operation of al...

Страница 45: ...emp sensor failure fault Not economizing when it should Economizing when it should not Damper not modulating Excess outdoor air Damper Stuck Open x x x Damper Stuck at Minimum x x Bad or Unplugged Act...

Страница 46: ...s between pulse sequences Error Code 1 Flash Actuator Fault 2 Flashes CO2 Sensor 3 Flashes RA Humidity Sensor 4 Flashes RA Temp Sensor 6 Flashes OA Humidity Sensor 7 Flashes OA Temp Sensor 8 Flashes M...

Страница 47: ...rt Table 21 Wiring diagrams Type of Airflow Schematic Type Voltage Diagram Number Description Multi Speed Fans Power 208 230 12134575 Schematic PWR EM 208V 230V 2 Stage GH with VFD 15T 25T 460 575 121...

Страница 48: ...and liabilities under this warranty are limited to furnishing F O B factory or warehouse at the warrantor designated shipping point freight allowed to Buyer s city or port of export for shipments out...

Страница 49: ...RT SVX51L EN 49 Notes...

Страница 50: ...50 RT SVX51L EN Notes...

Страница 51: ...RT SVX51L EN 51 Notes...

Страница 52: ...please visit trane com or americanstandardair com Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications...

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