Zenith ZBTSH Series Bedienungsanleitung

Revised October, 1996

INSTRUCTION

MANUAL

ZBTSH SERIES BYPASS/ISOLATION TRANSFER SWITCH

100 -400 AMPS

IMODEL

NO.

SERIAL

NO.I

L-..-=====

TABLE OF CONTENTS

Storage, Installation

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

Cabinet (exterior, front view)

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

Parts list (electrical)

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

Top and lower panels, front view.

Switch details

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

Bypass and ATS Power Panels -Parts list

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

Bypass and ATS Control Panel Layout

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

Bypass and ATS Control Panel -Parts list

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

Operation of Bypass/Isolation Switch

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

Definitions and Operation Notes

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

ZBTSH Operation, Maintenance

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

10,

Troubleshooting Decisions

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

ARSM and Timer Adj., Lubrication

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

Torque Requirements

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

Cabinet Dimensions

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

Control Disconnect Plugs

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

Field Notes

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

Bypass Control Panel Schematic Drawing

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

Typical Bypass and ATS Schematic Drawing

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

STORAGE:

The ZBTSH should be stored in a clean dryarea. AVOID STORAGE BENEATH STEAM OR WATER PIPES.

Excessive moisture may damage the unit. The switch should only be stored on a level (horizontal) surface.

INSTALLATION:

Lifting:

To lift and manuever the Bypass Switch use lifting angles. See Fig. 1 (below). CAUTION: Depen-

ding upon the model, aZBTSH weighs between

650-

700 lbs. Use adequate machineryand cables

to handle the load.

Equipment

Preparation:

. Check nameplate

assure switch system voltage and amperage is correct. Any discrepancy

should be immediately reported to a Zenith representative.

. Lock open breakers to normal and emergency lines.

Cabinet

Preparation:

. A small amount of cabinet work is required before the cables are connected.

Cover

the

switch

and

the

controls

avoid

metal

fragments

from

entering

mechanical

and

electrical

com-

ponents.

Visually verify that metal filings are removed from top bus support. (Use vacuum if

necessary).

b).

Standard cable entry is through the top or bottom

the cabinet. Fig. 2 below shows one sug-

gested knockout order. For a guide to assist in the hole layout, refer to page 15.

4. Cable

and

Wire

Connections:

a).

To remove possible oxide, clean cable conductor with a wire brush and apply a contact oxide

inhibitor. Insert cables into appropriate lugs.

. Connect all auxiliary wires for external electrical operation. Example: E-start, remote alarm lights

or buzzers, motor control contacts, etc. Allow enough slack in wires to allow movement of the

ATS to isolate position (approx. 1 ft.).

Prior

the

Unit's

Energization:

. Remove any debris incurred due to installation (cut cable strands, m'etal filings, etc.).

. Inspect the unit and verify torque

cable and wire connections.

CABINET REMOVABLE

LIFTING ANGLES

TOP

VIEW

CABINET

EMERGENCY

TYPICAL LAYOUT FIG. 2

Note: When lifting the switch, a

spreader must be used. The height

H must be equal

0/2.

FIG. I

INSTRUCTION

NAMEPLATE

MANUAL

BYPASS

HANDLE (MBH)

A. CABINET ELECTRICAL PARTS

TAG DESCRIPTION PART NO.

LNA Normal Available Indicator

(G)

LEA Emergency Available Indicator (R)

LBN Bypass Normal Location Indicator

(G)

LBE Bypass Emergency Location Indicator (R)

LAT ATS Test Position Indicator

(A)

LAI ATS Isolate Position Indicator

(A)

LIT ATS Inhibit Indicator (R)

LOS ATS Disconnect Switch

"Off"

Indicator (R)

Flashing Bulb, PS-1272

COMMON PARTS BYPASS INDICATORS

Bulb Y500005

Socket PS-5046

Red Lens (R) PS-5047

Green Lens

(G)

PS-5048

Amber Lens

(A)

PS-5049

L2 ATS Emergency Position Indicator

ATS Normal Position Indicator

Bulbs (Incandescent) P8-5105

Bulb Socket (Incandescent) PS-5046

Emergency Lens (Red) P8-5047

Normal Lens (Green)

Test Switch

PS-5048

Operator, Momentary L-1025

Contact Block N.C. L-1029

Contact Mounting Base PS-3473

Rev.

11/94

NEUT.

r--

~EMERG.~

BYPASS

EMERGENCY

CONTACTS

T2 LOAD T3

NORM.

Ill ENGINE

START

CONNECTIONS

AB3+4

AB4

t--

DETAIL 2

DETAIL

DETAIL 2E

NYLON

ROLLER

SWITCH DETAILS

I r

AT-I,

AT-2

ZBTSH 4 POLE

B. BP-BYPASS AND ATS AUTOMATIC TRANSFER SWITCH POWER PANEL

TAG DESCRIPTION PART NUMBER BY AMPERAGE

Bypass 100 150 225 260 400

N1,

3, N Normal }

E1,

3, N Emergency LUGS P8-4418 P8-4418 P8-4418 S-1422 S-1422

T1, 2, 3, N Load

BYPASS Contact Assembly (Movable & Stationary for 3 Pole Units)

N1,2,3

Normal 46P-1104A 46P-1104B 46P-1104C 46P-1104D 46P-1104E

N (Sw. Neut. Norm.) 46P-1105A 46P-1105B 46P-1105C 46P-1105D 46P-1105E

E1,2,3

Emergency 46P-1106A 46P-1106B 46P-1106C 46P-1106D 46P-1106E

N (Sw. Neut. Emerg.) 46P-1107A 46P-1107B 46P-1107C 46P-1107D 46P-1107E

ATS Contact Assembly (Movable & Stationary for 3 Pole Units)

NL1, 2, 3 Normal 46P-1100A 46P-1100B 46P-1100C 46P-1100D 46P-1100E

N (Sw. Neut. Norm) 46P-1101A 46P-1101B 46P-1101C 46P-1101D 46P-1101E

EL1, 2, 3 Emergency 46P-1102A 46P-1102B 46P-1102C 46P-1102D 46P-1102E

N (Sw. Neut. Emerg.) 46P-1103A 46P-1103B 46P-1103C 46P-1103D 46P-1103E

Arc Grid Assy. 46P-1099

XBN,XBE

Bypass Step-Down VOLTAGE PART NO.

Transformer 25VA 120/240

K-3061

Secondary 24V 208/416 K-3063

220/440 K-3064

240/480 K-3062

380 K-3067

575 K-3065

600 K-3066

CNE Main ATS Ooerating Coils

Voltage Systems

No. Volts

Wire Coil Volts Poles PART NO.

-1

120 1 2 120 2

K-2178

-2 120/240 1 3 240 2,3 K-2189

-3 240 3 3 240 3 K-2189

-38 120/240 3 4 240 3,4 K-2189

-4 120/208 3 4 208 3,4 K-2177

-5 480 3 3 480 3 K-2176

-6 575/600 3 3 575/600 3 K-2196

-7 277/480 3 4 480 3,4 K-2176

-9 240/416 3 4 416 3,4 K-2188

-91

220/380 3 4 380 3,4 K-2188

CN1

Limit Switch

CE1

Limit Switch

A3 ATS Emergency Position Switch L-3002 (Detail 2)

A4 ATS Normal Position Switch

SCN/SCE CNE Limit Switches L-3079 (Detail 2a)

ATS Auto Location Switch

AE1, 2 ATS Isolate/Remove Location Switch

L-3071

(Detail 2b)

PLS1,2

Position Lever Switch

AI ATS Isolate Location Switch L-3070 (Detail 2c)

AT1, 2 ATS Test Location Switch

AB3/ABE Bypass Emergency Position Switch

AB4/ABN Bypass Normal Position Switch L-5021 (Detail 2d)

NA4 Normal TRS Limit Switch

EA3 Emergency TRS Limit Switch

BTE Bypass Emergency Position Switch

BTN Bypass Normal Positiion Switch

TSE ATS Engaged Switch L-3054 (Detail 2e)

BLL

Bypass Lock Location Switch

ALL ATS Lock Location Switch

OS ATS Solenoid Disconnect Switch

Operator 2-Position Maintain L-4018

Contact Block N.C.

(1)

L-1029

Contact Block N.O. (2) L-1028

Contact Block Mounting Plate P8-3473

BPS Bypass Interlock Solenoid K-2180

TRS Transfer Release Solenoid K-2180

5 Rev. 11/94

BYPASS CONTROL PANEL

Will

LIAOI

fiiAJII•

POIIIII.L

TOIIII

BOTTOM

VIEW

TB·L

TB-R

,--------,

I XBN

,:to

I }TYPICAl.

JUII•I~

WUUHI

'OR

4te

410

:::

VOLT

IYifllll.

I I

~-------~

tiOTIIfP'

Sl'ITIM

411

Oft

410

YOLTS.

Will

TRANSPOftlllltl

SHOWN

AIOYI\

lftflll

ZOI

140

VOI..TS.WIR!TIIANS•

FOfii!MIRS

SHOWN

IlL

OW·

,..-------,

I I }

XII

XBE

=~~O

-TYI'ICAL

-~•

WINING

ZOI

•

:::

140

IYifllll.

I I

L-----

--~

uu:

•·-•

•o•

140

•

•ao-.r

IYifiiiS.

1111··~

fOil

101

I 411VOLT

IYITIIII.

D. ATS CONTROL PANEL (SSRCP) CHART 1

POWER

PAI\£L

JUMPERS

IIU

CHART

..••.

11:1.1

J:S

JO , • .17

JIO

Jll

Jumper Connects

Points Remove When

Accessories Used

23,23A

J2 23A,238 82

J3 238,

23C

23C,

23Z

JIN,

TS,

C/0

J5 23Z,27

25,

25Z

T3,

J7 28,28Z

Sl,

C/0

28Z,

& U

33A,

33Y

ER1,

J1E

J10

33Z,37

J11

35,

35Z

R4,

BYPASS CONTROL PANEL (46P-1079) INCLUDES PARTS BELOW

( TAG DESCRIPTION PART NUMBER

BR1,

3 Bridge Rectifier PS-5076

RNH Normal Voltage Relay Y260000

Resistor RNH, 30 ohm PS-4056

Resistor

LOS,

120 ohm PS-4057

01 Diode PS-4812

CA Capacitor

RNH

PS-4058

ATR Auxilary Test Relay Y260000

D. ATS CONTROL PANEL (SSRCP) STANDARD ITEMS

TAG DESCRIPTION VOLTAGE 50/60 HZ PART NO.

XN,XE

Control Transformers

(See Note

120V K-3076

208V K-3070

240 or 480V

K-3071

416V K-3089

B-1,

3 Phase Relays

Solid State

(See Note

120V K-1185

208 or 240V K-1186

480V K-1188

VFSM Voltage Frequency Sensor 120V K-1192R

CR Control Relay 120V K-1204

AT Bypass T Relay 120V K-1204

CN1/CE1 CNE Transfer Relays (not shown) 120V K-1120

J1-J11 Jumpers PS-5067

(OPTIONAL ITEMS)

TAG DESCRIPTION VOLTAGE PART NUMBER

T Time Delay to Normal, Timer Solid State 120V

Sec. to 9990 Hrs. (Adj.) K-1230

u Engine Cool Down, Timer Solid State 120V

Sec. to 9990 Hrs. (Adj.) K-1230

w Time Delay Emergency, Timer Solid State 120V

Sec. to 9990 Hrs. (Adj.) K-1230

Time Delay Engine Start, Timer 120V (.5 to 6 sec. Adjustable)

K-1201

P2 Optional (Mounted below SSRCP) 120V (300 Sec. Adjustable)

K-1061

Notes:

If -6 voltage system (575/600V) is supplied, then XN,

is K-3087 and B1,2, 3 is K-1185 (120V) supplied with XB

(575;600V/120V) 3 phase transformer assembly. B1,

3 mounted below SSRCP.

Rev. 11/94

BYPASS/ISOLATION SWITCH OPERATION

BP-

Bypass

Switch,

Indicated

Contacts

BN/BE,

a 3

Position

Switch

ATS-

Automatic

Transfer

Switch

-:.

EMERGENCY

,._,...p-_._+

lOAD

1. Automatic

BNJ_~~:"-

NORMAL

Manually operated Bypass Switch contacts (BN/BE) are open

and the

ATS

supplying the load. (Fig.

1).

Disconnect Switch

(OS)

"Auto"

position. -

FIG. I

OPEN

WrrH

ATS

NORMAL

POSITION.

-:.EMERGENCY

lOAD

2. To Bypass ATS

BN,/;_(

~J ~

NORMAL

Open bottom cabinet door and turn

to "Inhibit".

Position Manual Bypass Handle (MBH) to same power source AT

ATS

(Fig.

2).

·-

FIG.2 BP

BYPASS

NORMAL

WITH

ATS

NORMAL.

POSITION.

3. To Test ATS

Bypass per above instructions.

---.-

.....

EMERGENCY

..,_,...p-_._+

LOAD

-.c

~ORMAL

Move

ATS

Location Handle (ALH) to

"Test"

location.

3. Turn

to "Auto".

.l_

Test Switch

(TS)

bottom cabinet door will allow electrical

Fn3

8P IS

BYPASS

NJRioiAL.

WITH

testing of

ATS.

(Fig.

3).

ATS

TESI'

lOCATXlN.

CATS

l.OAO

CCNNECTION

OPEN)

4. To Isolate ATS

Bypass per above instructions.

Move

ALH

to "Isolate" location.

5. To Remove ATS

1. Bypass and Isolate per above

instructions.

Move

ALH

to "Release" location.

Disconnect multi-pin plugs and ex-

ternal connections.

Lift

ATS

out of drawer.

6. To Reconnect ATS

Place A

into drawer slots, (front

rollers first).

2..

Turn

to "Inhibit" position.

Position

ATS

to same source

Bypass Switch.

Reconnect Multi-pin plugs and exter-

nal connections.

Push

ATS

inward to engage carriage.

Move

ALH

"Test"

location

(as

in-

dicated by light).

Turn

"Auto"

position and use

to electrically operate

ATS.

Turn

to "Inhibit" position.

BE'ij:

EMERGENCY

LOAD

NOIWAL.

·~

Fn4

IM'ASS

NORMAL

WITH·

ATS

ISOLATE

LOCATIOK

Move

ALH

"Auto"

location.

10.

Turn

"Auto"

and position

MBH

to "Open".

11.

ATS

now fully automatic (Fig.

1).

7. Notes

"Inhibit" position will prevent

electrical operation.

not use excessive force

mechanical handles (interlocks pre-

vent incorrect sequencing).

When

ATS

Test or Isolate,

Bypass Switch

a manual transfer

switch to either available power

source.

operate Bypass Switch when

ATS

Test or Isolate, position

MBH

to available power source (in-

dicated

light panel).

Above figures depict Bypass Normal;

sequence

same for Bypass

Emergency.

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