Xylem Bell&Gosset Hoffman Speciality SCC Series Instruction Manual Download Page 3

3

MOTOR

1

MOTOR

115/1 60*

LINE

L1

L2

FLOAT SWITCH

POWER SUPPLY,
PRIMARY PROTECTION
BY OTHERS

1DW129A

1DW130A

LINE

L2

L1

POWER SUPPLY,
PRIMARY PROTECTION
BY OTHERS

FLOAT SWITCH

REPRESENT

ATIVE WIRING DIAGRAMS

WATCHMAN

®

SIMPLEX UNITS, SINGLE PHASE

WATCHMAN

®

AND SCC1 DUPLEX UNITS, SINGLE PHASE

FIELD WIRING SHOULD BE IN ACCORDANCE WITH
NATIONAL ELECTRIC CODE.

DASHED LINE WIRING & COMPONENTS BY OTHERS

*230/1/60 VOLTAGE PERMISSIBLE IF MOTOR IS

RECONNECTED PER 'HIGH VOLTAGE' DIAGRAM
ON MOTOR AND APPLICABLE PRIMARY PROTECTION
IS SUPPLIED.

MOTOR

2

MOTOR

1

MOTOR

2

MOTOR

1

115/1/60*

LINE

115/1/60*

LINE

L1

L2

L1

L2

1DW129B

1DW130B

LINE

LINE

L2

L1

L2

L1

POWER SUPPLY,
PRIMARY PROTECTION
BY OTHERS

POWER SUPPLY,
PRIMARY PROTECTION
BY OTHERS

MECHANICAL

ALTERNATOR

MECHANICAL

ALTERNATOR

FIELD WIRING SHOULD BE IN ACCORDANCE WITH
NATIONAL ELECTRIC CODE.

DASHED LINE WIRING & COMPONENTS BY OTHERS

MODEL SCC2, SCC3 & SCC4 (DUPLEX, 3 PHASE UNITS WITH CONTROL PANEL)

CONNECTION DIAGRAM

ELEMENTARY DIAGRAM

LINE

1 H3 H 4

LINE

TRANSFORMER FUSE TYPE
FNQ-R OR EQUIV.
600V  /  AMP

1 2

MAIN DISCONNECT SWITCH
AND SHORT CIRCUIT
PROTECTION BY OTHERS

FIELD WIRING SHOULD BE IN
ACCORDANCE WITH THE N.E.C.

TRANSF. PRIMARY JUMPER
PER TRANSF. LABEL

1 H3 H 4

L2
L1

L2

L1

GRN

GRN

COIL

COIL

COIL

COIL

COIL

COIL

X1

X1

X2

X2

H1

H4

H1

H4

1

1

5

4

10 9

5

7

13

3 S2

S1

T1 T2 T3 

T1 T2 T3 

3

8

4  7  9  12 

MOTOR

1

MOTOR

2

MECHANICAL

ALTERNATOR
(AUTOMATIC)

7

4

9

12

ALT.1

ALT.2

ENCLOSURE

FUSE

TRANSF #1
(115 V.A.C. SEC. 1)

MECH.
ALT.
(ALT. 1)

TRANSF. #2
(115 V.A.C. SEC. 1)

FUSE

MECH.
ALT.
(ALT. 2)

MOTOR

2

MOTOR

1

L1

L2

L3

T1

T2

T3

S1

S1

S1

GRN

GRN

X1         X2 

X1         X2 

L1

L2

L3

T1

T2

T3

S2

S2

S2

S1

S2

10

9

12

13

10

O.L.

O.L.

4

7

8

5

5

2DW128

SCC2, SCC3 AND SCC4 UNITS ARE
FACTORY WIRED FOR 230 VOLT,
3 PHASE 60 HERTZ. KITS ARE
AVAILABLE TO CONVERT TO 280V
OR 460 VOLTS.

Summary of Contents for Bell&Gosset Hoffman Speciality SCC Series

Page 1: ...INSTRUCTION MANUAL DN0156 REVISION H Hoffman Specialty Vented Condensate Units Watchman Series WC WCS and Series SCC WCS Simplex Watchman WCS8 20B SCC4 WC Duplex Watchman WCD 12 20BMA...

Page 2: ......

Page 3: ...D BE IN ACCORDANCE WITH NATIONAL ELECTRIC CODE DASHED LINE WIRING COMPONENTS BY OTHERS MODEL SCC2 SCC3 SCC4 DUPLEX 3 PHASE UNITS WITH CONTROL PANEL CONNECTION DIAGRAM ELEMENTARY DIAGRAM LINE 1 H3 H 4...

Page 4: ...tructions could result in injury or property damage OPERATION AND MAINTENANCE Operators must be familiar with all sections of this manual to understand the operation of the unit Hot water steam and el...

Page 5: ...es to rise or fall with one pump in operation the lever will continue to travel to a further position at which point the second switch will be operated throwing the stand by pump across the line MOUNT...

Page 6: ...aces of the seal clean of any foreign matter Moisten the carbon section of the rotating part of the seal and place onto the shaft to seat against ceramic Place seal spring onto shaft 13 Hold motor sha...

Page 7: ...ring Ring 1 DP1665 7 Capscrew 4 DJ0083 8 Wear Ring 1 DP0482 9 Pipe Plug 1 4 1 P39040 10 Water Slinger 1 DP0848 Seal Kit including Mechanical Seal Head Gasket Case to 1 180013 Receiver Gasket Complete...

Page 8: ...h the motor vertical top end bell down and with belleville washers or finger springs properly oriented in the top end bell recess lower the rotor and head assembly as a unit holding it by rotor shaft...

Page 9: ...Ring 1 DP1602 16 Head to Case Capscrews 3 DJ0077 17 Case to Receiver Gasket 1 DG0060 Seal Kit including Mechanical Seal Head Gasket Case to 1 180013 Receiver Gasket Complete Pump and Motor Assembly 1...

Page 10: ...loose If it is hold in place with grease Using clean lint free cloth wipe mating surfaces perfectly clean Soap shaft and push seal onto shaft so that carbon will contact ceramic seal If spacer is requ...

Page 11: ...1 DP1603 5 Wearing Ring 1 DP0482 8 Impeller Capscrew 1 DJ0213 9 Impeller Washer 1 DJ0267 10 Capscrews 8 DJ0066 16 Water Slinger 1 DP0848 Seal Kit including Mechanical 6 7 Seal Head Gasket 1 180014 Cas...

Page 12: ...200 N Austin Avenue Morton Grove Illinois 60053 Phone 847 966 3700 Fax 847 965 8379 www xylem com bellgossett Bell Gossett is a trademark of Xylem Inc or one of its subsidiaries 2019 Xylem Inc DN0156H...

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