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RT-SVX052A-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 7.

Wiring diagrams

Type of

Airflow

Schematic

Type

Voltage

Diagram

Number

Description

Constant

Volume

Power

208-230/

380

2313-2202 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat

Control

208-230/

380

2313-2207 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat

Raceway

Connection

208-230/

380

2313-2239 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat

Control Box

Connection

208-230/

380

2313-2230 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat

Содержание EAC180-300AK

Страница 1: ...ing 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 t...

Страница 2: ...icates a potentially hazardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could r...

Страница 3: ...r contact a qualified service organization with qualified experienced HVAC technicians to properly diagnose and repair this equipment WARNING Proper Field Wiring and Grounding Required All field wirin...

Страница 4: ...tions 20 Unit Disconnect FIYUDC 20 Pre Start 21 Verifying Proper Air Flow Units with Belt Drive Indoor Fan 21 Electromechanical Controls Test Procedure 21 Start Up 22 Economizer Start Up 22 Compressor...

Страница 5: ...halpy 0 100 without Barometric Relief4 F Economizer Reference Enthalpy 0 100 with Barometric Relief1 4 G Economizer Comparative Enthalpy 0 100 without Barometric Relief4 H Economizer Comparative Entha...

Страница 6: ...o fieldadjustments andthe module willautomatically reset from a fault condition Discharge Line Thermostat Control The high pressure controls and discharge line thermostats are wired in series between...

Страница 7: ...rom forming inside the unit s electrical compartments and motors if The unit is stored before it is installed or The unit is set on the roof curb and temporary heat is provided in the building Isolate...

Страница 8: ...8 RT SVX052A EN Dimensional Data Figure 1 Typical installation clearance for single and multiple unit applications 5 8 5 0...

Страница 9: ...RT SVX052A EN 9 Dimensional Data Figure 2 Cooling with optional electrical heat units overview Figure 3 Cooling with optional electrical units front side views 15 25 tons standard efficiency...

Страница 10: ...52A EN Dimensional Data Figure 4 Cooling with optional electrical heat units plan view 15 25 tons standard efficiency Figure 5 Foundation units back view horizontal configuration 15 25 tons standard e...

Страница 11: ...ndard efficiency Figure 7 Downflow duct connections field fabricated 15 25 tons standard efficiency 9 1 25 4 MM CURB FLANGE LONG SIDES SHORT SIDES Notes Duct flanges mount 7 7 16 down inside the curb...

Страница 12: ...onal Data Figure 8 Downflow unit clearance 15 25 tons standard efficiency Figure 9 Barometric relief and economizer 15 25 tons standard efficiency MOTORIZED DAMPER BAROMETRIC RELIEF IS FOR USE WITH A...

Страница 13: ...RT SVX052A EN 13 Dimensional Data Figure 10 Manual damper 15 25 tons standard efficiency...

Страница 14: ...438 357 416 54 37 25 EAC300A 2208 1888 664 457 345 422 53 35 a Weights are approximate Horizontal and downflow unit and corner weights may vary slightly b Weights do not include additional factory or...

Страница 15: ...rs gaskets must be installed around the curb perimeter flange and the supply and return air opening flanges General Unit Requirements The checklist listed below is a summary of the steps required to s...

Страница 16: ...ion which could result in condensate backup due to air lock Filter Installation Each unit ships with 2 inch filters installed The quantity of filters is determined by unit size Access to the filters i...

Страница 17: ...anual Transformers rated greater than 50 Vac are equipped with internal circuit breakers If a circuit breaker trips turn Off all power to the unit before attempting to reset it The transformer is loca...

Страница 18: ...life If the voltage imbalance isover 2 percent notify the proper agencies to correct the voltage problem before operating this equipment Electrical Phasing Three Phase Motors The compressor motor s an...

Страница 19: ...e the following checklist in conjunction with the general checklist General Unit Requirements p 15 to ensure that the unit is properly installed and ready for operation Check all electrical connection...

Страница 20: ...ty found on the unit nameplate and the N E C 4 Route low voltage class II control wiring through hole in base of unit but not through high voltage conduit Feedcontrolwiringthroughbushingprovided on si...

Страница 21: ...0 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 Ventil...

Страница 22: ...ning a compressor interchange any two leads at the compressor Terminal block to check the internal phasing Refer to the following illustration for the compressor terminal phase identification Do not a...

Страница 23: ...ocedures outlined in the previous sections i e operating the unit in each of its modes through all available stages of cooling and heating perform these final checks before leaving the unit Program th...

Страница 24: ...s number represents the force in pounds required to give the needed deflection 6 Compare the force scale reading Step 5 with the appropriate force value listed in Table 5 p 24 If the force reading is...

Страница 25: ...6 p 26 If the operating pressures indicate a refrigerant shortage measure the system superheat For guidelines refer to Compressor Start Up p 22 Note Do NOT release refrigerant to the atmosphere If add...

Страница 26: ...nks provided 1 Complete Unit Model Number _____________________________________________________ 2 Unit Serial Number _____________________________________________________ 3 Wiring Diagram Numbers from...

Страница 27: ...nit operations down Unit Economizer Control ECA Verify Economizer Status by Economizer Actuator ECA LED indicator OFF No Power or Failure ON Normal OK to Economize Slow Flash Normal Not OK to Economiz...

Страница 28: ...low Schematic Type Voltage Diagram Number Description Constant Volume Power 208 230 380 2313 2202 EAC180 300 EAD180 300 60Hz Cooling only Electric Heat Control 208 230 380 2313 2207 EAC180 300 EAD180...

Страница 29: ...may also have other rights which vary from state to state Trane 2701 Wilma Rudolph Blvd Clarksville TN 37040 1008 Attention Manager Product Service GW 602 4800 This warranty is for commercial usage of...

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Страница 32: ...portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data...

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