Generac Power Systems RXSW200A3F Manuale utente

Owner’s Manual

For

Automatic Transfer Switch

200 Amp, Single Phase, 240 VAC, Service Rated, 8–16 Circuit Load Center

Model Number

RXSW200A3F

SERIAL NUMBER: _________________________

DATE PURCHASED:________________________

WWW.GENERAC.COM

888-436-3722

Para español , visita: http://www.generac.com/service-support/product-support-lookup

Pour le français, visiter : http://www.generac.com/service-support/product-support-lookup

SAVE THIS MANUAL FOR FUTURE REFERENCE

003722

ii Automatic Transfer Switch Owner’s Manual

(000005)

WARNING

California Proposition 65. This product contains or

emits chemicals known to the state of California to

cause cancer, birth defects, and other reproductive

harm.

(000004)

WARNING

California Proposition 65. Engine exhaust and some

of its constituents are known to the state of California

to cause cancer, birth defects, and other reproductive

harm.

Automatic Transfer Switch Owner’s Manual iii

Section 1: Safety

Introduction ..........................................................1

Safety Rules .........................................................1

Safety Symbols and Meanings ...........................1

Electrical Hazards ................................................2

General Hazards ..................................................3

Section 2: Installation

Introduction to Installation .................................5

Mounting ...............................................................5

Open Enclosure ...................................................5

Install Breakers ....................................................6

Installing Branch Circuit Conductors ................6

Connecting Power Source and Generator

Power Supply .................................................6

Connecting Start Circuit Wires ...........................7

Connecting SACM ...............................................7

Control of Air Conditioner Load ...................................7

Auxiliary Contact .................................................8

Fault Current Label ..............................................9

Section 3: Operation

Functional Tests and Adjustments ..................11

Manual Operation ..............................................11

Close to Utility Source Side .......................................11

Close to Generator Source Side ...............................12

Return to Utility Source Side .....................................12

Voltage Checks ..................................................12

Utility Voltage Checks ...............................................12

Generator Voltage Checks ........................................12

Generator Tests Under Load ............................12

Checking Automatic Operation ........................13

Installation Summary ........................................13

Shutting Generator Down While Under Load ..13

Shutting Generator Down To Perform

Maintenance .................................................14

Testing The SACM .............................................14

Testing The SMM ...............................................14

Fuse Removal and Installation .........................14

Section 4: Drawings and Diagrams

Installation Drawing .......................................... 15

No. 10000007892 ......................................................15

Interconnection Drawing .................................. 16

No. 10000017951—Sheet 1 of 4

(Liquid-Cooled Engine Generator) ...................16

No. 10000017951—Sheet 2 of 4

(Liquid-Cooled Engine Generator) ...................17

No. 10000017951—Sheet 3 of 4

(Air-Cooled Engine Generator) .........................18

No. 10000017951—Sheet 4 of 4

(Air-Cooled Engine Generator) ........................19

Table of Contents

iv Automatic Transfer Switch Owner’s Manual

This page intentionally left blank.

Safety

Automatic Transfer Switch Owner’s Manual 1

Section 1: Safety

Introduction

Thank you for purchasing a Generac Power Systems Inc.

product. This unit has been designed to provide high

performance, efficient operation, and years of use when

maintained properly.

Read this manual thoroughly and understand all of the

instructions, cautions, and warnings before using this

equipment. If any section of the manual is not

understood, contact your nearest authorized dealer, or

contact Generac Customer Service at 1-888-436-3722

(1-888-GENERAC), or www.generac.com with any

questions or concerns.

The owner is responsible for proper maintenance and

safe use of the equipment. Before operating or servicing

this transfer switch:

•Study all warnings in this manual and on the

product carefully.

•Become familiar with this manual and the unit

before use.

•Refer to the installation sections of the manual for

instructions on final assembly procedures. Follow

the instructions completely.

Save these instructions for future reference. ALWAYS

supply this manual to any individual that will use this

equipment.

The information in this manual is accurate based on

products produced at the time of publication. The

manufacturer reserves the right to make technical

updates, corrections, and product revisions at any time

without notice.

Safety Rules

The manufacturer cannot anticipate every possible

circumstance that might involve a hazard. The warnings

in this manual, and on tags and decals affixed to the unit

are, therefore, not all inclusive. If using a procedure, work

method or operating technique that the manufacturer

does not specifically recommend, verify that it is safe for

others. Also make sure the procedure, work method or

operating technique utilized does not render the

equipment unsafe.

Safety Symbols and Meanings

Throughout this publication, and on tags and decals

affixed to the transfer switch, DANGER, WARNING,

CAUTION and NOTE blocks are used to alert personnel

to special instructions about a particular operation that

may be hazardous if performed incorrectly or carelessly.

Observe them carefully. Their definitions are as follows:

NOTE: Notes contain additional information important to

a procedure and will be found within the regular text of

this manual.

These safety alerts cannot eliminate the hazards that

they indicate. Common sense and strict compliance with

the special instructions while performing the action or

service are essential to preventing accidents.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000001)

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

(000002)

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

(000003)

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Safety

2Automatic Transfer Switch Owner’s Manual

Electrical Hazards

(000129)

DANGER

Electrocution. High voltage is present at

transfer switch and terminals. Contact with live

terminals will result in death or serious injury.

(000104)

DANGER

Electrocution. Water contact with a power

source, if not avoided, will result in death

or serious injury.

(000145)

DANGER

Electrocution. In the event of electrical accident,

immediately shut power OFF. Use non-conductive

implements to free victim from live conductor. Apply

first aid and get medical help. Failure to do so will

result in death or serious injury.

(000237)

DANGER

Electrical backfeed. Use only approved switchgear to

isolate generator from the normal power source.

Failure to do so will result in death, serious injury,

and equipment damage.

(000195)

DANGER

Electrocution, equipment and property damage.

Handle transfer switches carefully when installing.

Never install a damaged transfer switch. Doing so

could result in death or serious injury, equipment

and property damage.

(000123)

DANGER

Electrocution. Turn utility supply OFF before

working on utility connections of the transfer

switch. Failure to do so will result in death or

serious injury.

(000157)

DANGER

Electrocution. Do not disable or modify the

connection box door safety switch. Doing so

will result in death or serious injury.

Automatic start-up. Disconnect utility power and

render unit inoperable before working on unit.

Failure to do so will result in death or serious injury.

(000191)

DANGER

(000119)

Equipment malfunction. Installing a dirty or damaged

transfer switch will cause equipment malfunction and

will result in death or serious injury.

DANGER

(000155a)

WARNING

Electric shock. Only a trained and licensed electrician

should perform wiring and connections to unit. Failure

to follow proper installation requirements could result in

death, serious injury, and equipment or property damage.

(000120)

CAUTION

Equipment damage. Verify all conductors are tightened

to the factory specified torque value. Failure to do so

could result in damage to the switch base.

(000121)

CAUTION

Equipment damage. Perform functional tests in the

exact order they are presented in the manual.

Failure to do so could result in equipment damage.

(000134a)

CAUTION

Equipment damage. Exceeding rated voltage and

current will damage the auxiliary contacts. Verify

that voltage and current are within specification

before energizing this equipment.

Safety

Automatic Transfer Switch Owner’s Manual 3

General Hazards

IMPORTANT NOTE: See individual unit specifications

for required maintenance and run times pertaining to

use.

•Competent, qualified personnel should install,

operate and service this equipment. Adhere strictly

to local, state and national electrical and building

codes. When using this equipment, comply with

regulations established by the National Electrical

Code (NEC), CSA Standard; the Occupational

Safety and Health Administration (OSHA), or the

local agency for workplace health and safety.

•If working on this equipment while standing on

metal or concrete, place insulative mats over a dry

wood platform. Work on this equipment only while

standing on such insulative mats.

•Never work on this equipment while physically or

mentally fatigued.

•Any voltage measurements should be performed

with a meter that meets UL3111 safety standards,

and meets or exceeds overvoltage class CAT III.

(000237)

DANGER

Electrical backfeed. Use only approved switchgear to

isolate generator from the normal power source.

Failure to do so will result in death, serious injury,

and equipment damage.

(000129)

DANGER

Electrocution. High voltage is present at

transfer switch and terminals. Contact with live

terminals will result in death or serious injury.

(000123)

DANGER

Electrocution. Turn utility supply OFF before

working on utility connections of the transfer

switch. Failure to do so will result in death or

serious injury.

(000104)

DANGER

Electrocution. Water contact with a power

source, if not avoided, will result in death

or serious injury.

(000188)

DANGER

Electrocution. Do not wear jewelry while

working on this equipment. Doing so will

result in death or serious injury.

(000213)

DANGER

Electrocution. Only authorized personnel should

access transfer switch interior. Transfer switch

doors should be kept closed and locked. Failure to

do so will result in death or serious injury.

Automatic start-up. Disconnect utility power and

render unit inoperable before working on unit.

Failure to do so will result in death or serious injury.

(000191)

DANGER

(000145)

DANGER

Electrocution. In the event of electrical accident,

immediately shut power OFF. Use non-conductive

implements to free victim from live conductor. Apply

first aid and get medical help. Failure to do so will

result in death or serious injury.

(000209b)

WARNING

Loss of life. This product is not intended to

be used in a critical life support application.

Failure to adhere to this warning could result

in death or serious injury.

WARNING

Equipment damage. This unit is not intended for use as a

prime power source. It is intended for use as an intermediate

power supply in the event of temporary power outage only.

Doing so could result in death, serious injury, and

equipment damage.

(000247a)

Safety

4Automatic Transfer Switch Owner’s Manual

This page intentionally left blank.

Installation

Automatic Transfer Switch Owner’s Manual 5

Section 2: Installation

Introduction to Installation

This equipment has been wired and tested at the factory.

Installing the switch includes the following procedures:

•Mounting the enclosure.

•Connecting power source and load leads.

•Connecting the generator start and sensing circuit.

•Connecting any auxiliary contact (if needed).

•Testing functions.

Mounting

Mounting dimensions for the transfer switch enclosure

are in this manual. Enclosures are typically wall-

mounted. See Drawings and Diagrams.

This transfer switch is mounted in a UL type 3R

enclosure. It can be mounted outside or inside and should

be based on the layout of installation, convenience and

proximity to the utility supply and load center.

Install the transfer switch as close as possible to the

electrical loads that are to be connected to it. Mount the

switch vertically to a rigid supporting structure. To prevent

switch distortion, level all mounting points. If necessary,

use washers behind mounting holes to level the unit.

Open Enclosure

See Figure 2-1. First, remove outer cover (A):

1. Remove two thumb screws (B).

2. Slide slot (C) over retention tab.

3. Lower cover until clear of top flange (D), and pull

away from enclosure.

Remove inner panel (E):

4. Loosen nut (F).

5. Grasp inner panel at two cutouts (G—left and

right). Tilt inner panel as shown, passing nut

through t-slot (H) in inner panel.

6. Lower inner panel until clear of two retention slots

(J—left and right sides), and pull away from

enclosure.

Figure 2-1. Open Enclosure

(000119)

Equipment malfunction. Installing a dirty or damaged

transfer switch will cause equipment malfunction and

will result in death or serious injury.

DANGER

004086

Installation

6Automatic Transfer Switch Owner’s Manual

Install Breakers

1. See Figure 2-2. Insert tab on each breaker (A) into

the hook on the bus (B). Push the breaker into the

bus until it snaps into place.

Figure 2-2. Install Breakers

Installing Branch Circuit Conductors

1. Install properly sized branch circuit conductors into

the transfer switch through the knockouts provided.

Additional knockouts can be made in the field as

needed.

2. Connect the ungrounded branch circuit conductors

(hot conductors) to a properly sized circuit breaker

approved for use with the transfer switch.

3. Terminate the neutral conductor and equipment

grounding conductor of the branch circuit at the

neutral/equipment ground terminal bars.

4. Size all conductors, raceways, conduits, and

junction boxes, if required, to the applicable NEC

code articles and follow the NEC installation

requirements for the wiring method(s) selected.

NOTE: Multi-wire branch circuits must be installed in

accordance with NEC Article 210.4.

Connecting Power Source and

Generator Power Supply

Installation and interconnection diagrams are provided in

this manual.

NOTE: All installations must comply with national, state

and local codes. It is the responsibility of the installer to

perform an installation that will pass the final electrical

inspection.

1. Connect utility supply at the utility service

disconnect circuit breaker terminals N1 and N2.

2. Connect utility neutral and ground to the Load

Center Neutral and Ground terminals. Neutral and

Ground terminals on the Load Center are bonded

to each other with a jumper wire.

3. Connect loads to the Integrated Load Center with

customer-supplied circuit breakers.

4. See Figure 2-1 and Figure 2-3. Connect generator

to the generator terminals (E1 and E2) on the

transfer mechanism.

Figure 2-3. Wiring Connections

5. Connect the generator neutral wire to the top

neutral lug or side lugs on the panelboard.

6. Connect neutral conductors to the lugs and

terminals along the neutral/ground bars in the

panelboard section of the transfer switch.

7. Connect a maximum 200A subpanel supply to

lower T1 and T2 connections of 8-position Load

Center Terminals. Connect subpanel Neutral and

Ground to subpanel Neutral and Ground bars.

8. Connect grounding electrode conductors to the

neutral / ground terminal bars in the panelboard

portion of the switch.

000362

Electrocution. Turn utility and emergency

power supplies to OFF before connecting

power source and load lines. Failure to do so

will result in death or serious injury. (000116)

DANGER

AT1

004982

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