Westinghouse D48-F, D4B-2F, D4B-3F, D4B-7F, D48-SF Instructions Manual Download Page 1

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Westinghouse

I. L. 42-227

INSTALLATION

OPERATION

MAINTENANCE

INSTRUCTIONS

SWITCHBOARD WAlTHOUR METERS

IN FT-21 FLEXITEST CASE

TYPES 048-F, 04B-2F, 04B-3F, 04B-7F,

048-SF

TYPE

D4B-7f

Application Chart

Circuit

Type

No.

Stators

Application

D4B-l·

Phase, 2 or 3 Wire

D4B-2F

2 or 3 Phase, 3 Wire

D4B-3F

3 Phase, 4 Wire Wye

D4B-7F

3 Phase, 4 Wire Delta

D4B-8F

2 Split Coil

3 Phase, 4 Wire Wye

All possible contingencies which may arise during installation, operation or maintenance,

and all details and variations of this

equipment do not purport to be covered by these instructions. If further information

is desired by purchaser regarding his

particular installation, operation, or maintenance of his equipment, the local Westinghouse Electric

Corporation representative

should be contacted.

NOVEMBER

1977

Supersedes I. L. 42-227 dtd August

1977

www

. ElectricalPartManuals

. com

Summary of Contents for D48-F, D4B-2F, D4B-3F, D4B-7F, D48-SF

Page 1: ...elta D4B 8F 2 Split Coil 3 Phase 4 Wire Wye All possible contingencies which may arise during installation operation or maintenance and all details and variations of this equipment do not purport to be covered by these instructions If further information is desired by purchaser regarding his particular installation operation or maintenance of his equipment the local Westinghouse Electric Corporati...

Page 2: ...chassis and the case 1 D4B 7F Chassis The hardware supplied with the meter permits semi flush mounting on panels up to 3 16 inch thick For projection mounting on panels thicker than 3 16 inch special hard ware is furnished upon request specify panel thickness Provisions have been made on all FT 21 cases for con venient field installation of either 2 or 3 wire pulse m1t1ators Removal of three knock...

Page 3: ...ate full load unity power factor to 100 percent registration by turning I L 42 227 the Full Load adjuster screw at the front of the meter Calibrate full load 50 percent lagging power factor to 1CO percent registration by turning the Power Factor adjuster screw on the rear stato1 adjuster bracket from the right side Energize the remaining two stators one at a time Calibrate full load unity power fa...

Page 4: ...1 20 1 20 3 Wire Coil Each Half Watts Loss Volt Amps Mounting of FT 21 Case case dirnenslc PS p J nel cutout d1rncn Jons D4B 3F 2 5 Amps 120Volt 4 50 8 1 3 1 80 6 40 0 95 0 14 0 30 1 20 front view siJe VlCW sern1 flush prOJCCtton FT 21 I 4 5141 r lt 2B 2B r J 10 Circuit plug for test See Page I Order from Newark Relay as Style 1164046 Current circuit test plug See Page I Order from Newark Relay as...

Page 5: ...N IIKNAL CHASStS iClltRt HT TOT I L J _ 10 4 9 l VOLTAGE TRANSFORMER CONNECTION BELOW Fig 3 Type 048 2 F 3 Phase 3 Wire I L 42 227 CIRCUIT CLOSifiiiG OEviCE cuRNENT TE T loi CIC OhtAHO IIIQTOf 8 lllt ACTOR WI H USE O 0A INTERNAL POW 111 SUPP _Y NOTE CIRQJIT CLOSING SWITCHES OPERAT O IY t ST WITCI1 HAND 8 ALSO 8T R MOIAlL 01 CHAS S EliTERNAL JI MPERS _ POTENTIAL TRANSFORMER CONNECTION BELOW L JI F ...

Page 6: ...7 F 3 Phase 4 Wire Delta 0 Meter i L I I I I I I JtC T V P iOSING I I I L 42 227 T CIRCUIT CLOSING SWITCHES OPERATED BY TEST SWITCH HANDLE a _SO 8T R IIOVAL C7 CHASSIS 1fT RNAL JUMPERS 9 7 5 NEuTRAl VOLTAGE TRANSFORMER CONNECTION BELOW k t J_J 3 r REAR VIEW Fig 6 Type D48 7 F 3 Phase 4 Wire Delta CIIICllT Q OSIIIG Q yiC VOLTAGE TRANSFOAMER id COIIHECTION BELOW f r VIEW Fig 8 Type D48 2F 3 Phase 4 ...

Page 7: ...E CIM I MT Cl OIM SWITCHE I OP 1U Tf D IT T H SWITCH HANOI a AlSO IY REMOVAL Of CHaa Fig 11 Type D4B 3F 3 Phase 4 WireWye 0 Meter Dt o J 4 WIM WY OM ftl fO IUT oo ll OIIr I Z J u Ulh c u 4 1 l Jio90 6 J 2 J A OuTICII 0 we 01 1 r a I i L x o o I r _ __ AC _ __ r rt I I I lO I I I i1 I i j H Cru r OI ooc I I i I hiO ___ JI I 7 I J j f I 4 i i 4 1 lo I o _ _j t f t e 0 I 0 0 IKMWIOf Fig 10 Type D4B 3...

Page 8: ...lJI T CLOSINI S ITCHfl O f ATIO IY T IT IWtTCH HANOL e _SO IY llt WOYAL OFCHAit Fig 1 4 Type D4B 8F 3 Phase 4 WireWye withPhase Shifting Transformer I O t IAND WOTOR WH H USED 0R IIHERNAL POW R SUPPLY IO T CIRCUtr CLOSINOI SWITCtt S OPfRATEO BY TtST WITCH HANOL a ALSO eY REMOVAL Of CHASSIS Fig 15 Type D4B 8F 3 Phase 4 WireWye 0 Meter Westinghouse Electric Corporation Meter And Low Voltage Instrume...

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Summary of Contents for D48-F, D4B-2F, D4B-3F, D4B-7F, D48-SF

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