Kohler RXT Operation And Installation Download Page 3

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Table of Contents

TP-6807 12/11

Table of Contents

Product Identification Information

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Safety Precautions and Instructions

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Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Nameplate

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Model Designation

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Service Assistance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 1 Description

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1.1

Transfer Switch Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2

Service Entrance Models

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1.3

Load Centers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4

Controller Interface Board

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1.5

Optional LED Indicator Panel

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Section 2 Installation

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2.1

Introduction

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2.2

Receipt of Unit

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2.2.1

Inspection

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2.2.2

Storage

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2.2.3

Unpacking

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2.2.4

Lifting

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2.3

Installation

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2.4

Manual Operation Check

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2.4.1

Manual Operation Procedure 1

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2.4.2

Manual Operation Procedure 2

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2.5

Electrical Wiring

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2.5.1

Load Center Circuit Breakers

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2.5.2

AC Power Connections

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2.5.3

Neutral Connection

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2.5.4

Neutral Bonding Jumper, Service Entrance Models

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2.5.5

Engine Start Function

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2.5.6

Interface Module Connection

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2.5.7

Optional Load Control Connection

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2.5.8

Accessory Module Connections

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2.6

Test and Exercise

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2.7

Warranty Registration

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Section 3 Operation

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3.1

Model RXT Transfer Switch Operation

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3.2

Source Availability

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3.3

ATS Control Sequence of Operation

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3.4

Time Delays

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3.5

Load Control Time Delay

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Section 4 Service Disconnect, SE Model

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4.1

Service Disconnect Procedure

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4.2

Source Circuit Breaker Reset

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Section 5 Scheduled Maintenance

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5.1

Introduction

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5.2

Testing

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5.2.1

Weekly Generator Set Exercise

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5.2.2

Monthly Automatic Control System Test

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Summary of Contents for RXT

Page 1: ...witch Operation and Installation Model RXT 100 400 Amp Automatic Transfer Switches For use with Kohlerr Model RESA RESAL or RCL generator sets equipped with RDC2 or DC2 generator transfer switch contr...

Page 2: ...numbers in the spaces below immediately after unpacking the products so that the numbers are readily available for future reference Record field installed kit numbers after installing the kits Transfe...

Page 3: ...2 15 2 5 Electrical Wiring 16 2 5 1 Load Center Circuit Breakers 16 2 5 2 AC Power Connections 17 2 5 3 Neutral Connection 18 2 5 4 Neutral Bonding Jumper Service Entrance Models 18 2 5 5 Engine Star...

Page 4: ...nued TP 6807 12 11 Table of Contents 4 5 3 Inspection and Service 26 5 3 1 General Inspection 26 5 3 2 Other Inspections and Service 27 5 4 Service Schedule 27 Section 6 Diagrams and Drawings 29 Appen...

Page 5: ...working on the generator set or connected equipment disable the generator set as follows 1 Move the generator set master switch to the OFF position 2 Disconnect the power to the battery charger 3 Remo...

Page 6: ...rcuits with a voltmeter to verify that they are deenergized Heavy Equipment Unbalanced weight Improper lifting can cause severe injury or death and equipment damage Use adequate lifting capacity Never...

Page 7: ...ure and the products represented without notice and without any obligation or liability whatsoever Read this manual and carefully follow all procedures and safety precautions to ensure proper equipmen...

Page 8: ...mbers MATERIAL FOR EMERGENCY SYSTEMS TRANSFER SWITCH TYPE ENCLOSURE MFG DATE POLES WIRES AMPS HERTZ BAR CODE PHASE VOLTS SERIAL NO MODEL ACCESSORIES FOR EMERGENCY SYSTEMS LISTED R Figure 3 Typical Tra...

Page 9: ...eadquarters Europe Middle East Africa EMEA Kohler Power Systems 3 rue de Brennus 93200 Saint Denis France Phone 33 1 49 178300 Fax 33 1 49 178301 Asia Pacific Power Systems Asia Pacific Regional Offic...

Page 10: ...TP 6807 12 11 10 Service Assistance Notes...

Page 11: ...When the emergency source reaches acceptable levels and stabilizes the ATS transfers the electrical load to the emergency source The RDC2 DC2 controller signals the ATS to transfer the load back when...

Page 12: ...rating of the existing breaker in the main panel Up to 8 tandem breakers can be used Use Square D type QOT tandem breakers Verify that the total rating for all of the breakers used in the load center...

Page 13: ...derating Figure 2 1 Environmental Specifications 2 2 3 Unpacking Allow the equipment to warm to room temperature for at least 24 hours before unpacking to prevent condensation on the electrical appar...

Page 14: ...tch as close to the load and power sources as possible Allow adequate space to open the enclosure and service the switch NEMA 3R enclosures To remove the enclosure s front panel support the panel whil...

Page 15: ...ate the transfer switch when the power is connected Disconnect both power sources before manually operating the switch 1 100 200 amp switches These switches have an attached handle as shown in Figure...

Page 16: ...lectrical shockdeenergizethenormalpowersourcebeforemakingany line or auxiliary connections Grounding electrical equipment Hazardous voltage can cause severe injury or death Electrocution is possible w...

Page 17: ...or are labelled Normal Emergency and Load Connect the utility power to Normal Connect the generator set to Emergency Single phase For single phase models connect to A and C Three phase For three phase...

Page 18: ...Normal and Emergency Load Neutral Ground 100 Standard 1 1 14 1 0 AWG 1 14 1 0 AWG 3 12 1 0 AWG 9 4 14 AWG With load center 1 1 14 1 0 AWG per customer supplied circuit breaker 1 2 2 0 AWG 9 4 14 AWG S...

Page 19: ...he maximum cable length is 152 m 500 ft if one Model RXT transfer switch and no accessory modules are connected to the generator set Note Connections 3 and 4 on the generator set are not used with the...

Page 20: ...3 Factory connections 1 GM80663 2 3 Figure 2 11 Interface Module Connections 2 5 8 Accessory Module Connections For connection of the optional load control module LCM or programmable interface module...

Page 21: ...or DC2 controller through the ATS interface board If the source voltage falls below the undervoltage dropout setting the source is considered to have failed See Figure 3 1 Voltage Sensing Parameter S...

Page 22: ...See the transfer switch operation and installation manual for connection instructions Note A separate load control module LCM that provides four power relays and two HVAC relays is available for gene...

Page 23: ...nect the generator set engine starting battery negative lead first 2 On the transfer switch remove the outer enclosure door only 3 Move the utility source circuit breaker to the OFF position Note Powe...

Page 24: ...TP 6807 12 11 24 Section 4 Service Disconnect SE Model Notes...

Page 25: ...ntal starting can cause severe injury or death Before working on the generator set or connected equipment disable the generator set as follows 1 Move the generator set master switch to the OFFposition...

Page 26: ...to maximize the reliability of the emergency power system 5 2 2 Monthly Automatic Control System Test Test the transfer switch s automatic control system monthly Refer to the RDC2 DC2 controller opera...

Page 27: ...tions to specifications 2 5 D D Y Check the transfer switch s main power switching contacts condition clean or replace the main contacts or replace the contactor assembly as necessary S M D D D Y Gene...

Page 28: ...TP 6807 12 11 28 Section 5 Scheduled Maintenance Notes...

Page 29: ...of 3 34 Sheet 3 ADV 8192 3 of 3 35 400 Amp Single Phase Service Entrance Switch Sheet 1 ADV 8196 1 of 2 39 Sheet 2 ADV 8196 2 of 2 40 Wiring Diagrams 100 400 Amp Service Entrance GM80665 44 Schematic...

Page 30: ...TP 6807 12 11 30 Section 5 Diagrams and Drawings Figure 6 1 Enclosure Dimensions 100 200 Amp Single Phase ADV 8190 Sheet 1 of 2...

Page 31: ...TP 6807 12 11 31 Section 5 Diagrams and Drawings Figure 6 2 Enclosure Dimensions 100 200 Amp Single Phase ADV 8190 Sheet 2 of 2...

Page 32: ...TP 6807 12 11 32 Section 5 Diagrams and Drawings Figure 6 3 Enclosure Dimensions 100 200 Amp Three Phase 3 and 4 Pole ADV 8191...

Page 33: ...TP 6807 12 11 33 Section 5 Diagrams and Drawings Figure 6 4 Enclosure Dimensions 100 200 Amp Single Phase Service Entrance ADV 8192 Sheet 1 of 3...

Page 34: ...TP 6807 12 11 34 Section 5 Diagrams and Drawings Figure 6 5 Enclosure Dimensions 100 200 Amp Single Phase Service Entrance ADV 8192 Sheet 2 of 3...

Page 35: ...TP 6807 12 11 35 Section 5 Diagrams and Drawings Figure 6 6 Enclosure Dimensions 100 200 Amp Single Phase Service Entrance ADV 8192 Sheet 3 of 3...

Page 36: ...TP 6807 12 11 36 Section 5 Diagrams and Drawings Figure 6 7 Enclosure Dimensions 400 Amp Single Phase ADV 8193...

Page 37: ...TP 6807 12 11 37 Section 5 Diagrams and Drawings Figure 6 8 Enclosure Dimensions 400 Amp Three Phase 3 Pole 208 240 Volts ADV 8194...

Page 38: ...TP 6807 12 11 38 Section 5 Diagrams and Drawings Figure 6 9 Enclosure Dimensions 400 Amp Three Phase 3 Pole 480 Volt and 4 Pole ADV 8195...

Page 39: ...TP 6807 12 11 39 Section 5 Diagrams and Drawings Figure 6 10 Enclosure Dimensions 400 Amp Single Phase Service Entrance ADV 8196 Sheet 1 of 2...

Page 40: ...TP 6807 12 11 40 Section 5 Diagrams and Drawings Figure 6 11 Enclosure Dimensions 400 Amp Single Phase Service Entrance ADV 8196 Sheet 2 of 2...

Page 41: ...TP 6807 12 11 41 Section 5 Diagrams and Drawings Figure 6 12 Enclosure Dimensions 100 Amp Single Phase with Load Center ADV 8197...

Page 42: ...TP 6807 12 11 42 Section 5 Diagrams and Drawings Figure 6 13 Wiring Diagram 100 400 Amp Single Phase GM80663...

Page 43: ...TP 6807 12 11 43 Section 5 Diagrams and Drawings Figure 6 14 Schematic Diagram 100 400 Amp Single Phase GM80664...

Page 44: ...TP 6807 12 11 44 Section 5 Diagrams and Drawings Figure 6 15 Wiring Diagram 100 400 Amp Service Entrance GM80665...

Page 45: ...TP 6807 12 11 45 Section 5 Diagrams and Drawings Figure 6 16 Schematic Diagram 100 400 Amp Service Entrance GM80666...

Page 46: ...TP 6807 12 11 46 Section 5 Diagrams and Drawings Figure 6 17 Wiring Diagram 100 200 Amp Three Phase 3 and 4 Pole GM80667...

Page 47: ...TP 6807 12 11 47 Section 5 Diagrams and Drawings Figure 6 18 Schematic Diagram 100 200 Amp Three Phase 3 and 4 Pole GM80668...

Page 48: ...TP 6807 12 11 48 Section 5 Diagrams and Drawings Figure 6 19 Wiring Diagram 400 Amp Three Phase 3 Pole 208 240 Volts GM80669...

Page 49: ...TP 6807 12 11 49 Section 5 Diagrams and Drawings Figure 6 20 Schematic Diagram 400 Amp Three Phase 3 Pole 208 240 Volts GM80670...

Page 50: ...TP 6807 12 11 50 Section 5 Diagrams and Drawings Figure 6 21 Wiring Diagram 400 Amp Three Phase 3 Pole 480 Volts and 4 Pole GM80671...

Page 51: ...TP 6807 12 11 51 Section 5 Diagrams and Drawings Figure 6 22 Schematic Diagram 400 Amp Three Phase 3 Pole 480 Volts and 4 Pole GM80672...

Page 52: ...TP 6807 12 11 52 Section 5 Diagrams and Drawings Figure 6 23 Wiring Diagram 100 Amp Single Phase with Load Center GM80675...

Page 53: ...TP 6807 12 11 53 Section 5 Diagrams and Drawings Figure 6 24 Schematic Diagram 100 Amp Single Phase with Load Center GM80676...

Page 54: ...TP 6807 12 11 54 Section 5 Diagrams and Drawings Notes...

Page 55: ...iter s Laboratories CUL Canadian Underwriter s Laboratories cu in cubic inch cw clockwise CWC city water cooled cyl cylinder D A digital to analog DAC digital to analog converter dB decibel dB A decib...

Page 56: ...ersize overspeed OSHA Occupational Safety and Health Administration OV overvoltage oz ounce p pp page pages PC personal computer PCB printed circuit board pF picofarad PF power factor ph phase PHC Phi...

Page 57: ...TP 6807 12 11 57 Notes...

Page 58: ...TP 6807 12 11 58 Notes...

Page 59: ......

Page 60: ...er Wisconsin 53044 Phone 920 457 4441 Fax 920 459 1646 For the nearest sales service outlet in the US and Canada phone 1 800 544 2444 KohlerPower com Kohler Power Systems Asia Pacific Headquarters 7 J...

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