Scully ST-47 Series User Manual

Self-Proving Vehicle Grounding Verication System
Diagram Appendix
Page 27.
6.11 DWG 61332 – Internal Wiring Diagram ST-47-ELK/D
61332 RevA
1 2 3 4 5 6 7 8 9
1
G
2
N
3
H
4 C
5
NO
120 VAC
INPUT
WET DRY DRY WET
120 VAC
INPUT
GRN
WHT
WHT
BLK
RED
YEL
BRN
ORN
ST-47-120/240 CIRCUIT MODULE
TB1 (END USER WIRING TERMINAL)
CHASSIS GROUND
GRN
1 2 3
F1 5A FAST BLOW
ORN
VIO
BLK
NOTES: UNLESS OTHERWISE SPECIFIED-
1. ``DRY'' CONTACTS CLOSE WHEN ST-47 IS IN PERMISSIVE MODE.
2. PERMISSIVE CONTACT RATED 250 VAC 5 AMP RESISTIVE.
S1 OPERATION CHART
POS. OFF AUTO BYPASS
S1A
0 X 0
S1B
0 0 X
X = SWITCH CLOSED 0 = SWITCH OPEN
3. SWITCH S1 SHOWN IN AUTO POSITION.
S1B
S1A
G
R
WHT
FRONT COVER COMPONENTS
SEE NOTE 4
4. USER REPLACEABLE FUSE.
TB1
TB2
TB3
DEADMAN SWITCH INPUT
NEUT LOADHOT
N.O.
K1
BLK
WHT
BLU
BLK
WHT
BLU
BLK
BLK
BLK
CONNECTION TO GROUND BOLT OR GROUND BALL
CONNECT TO LOAD NOT TO EXCEED 135VAC, 5A
JUMPER SEE NOTE 5
5. REMOVE JUMPER WHEN USING EXTERNAL POWER SOURCE
FOR TB1-4. LOAD VOLTAGE RANGE 100-135 VAC.

Scully ST-47 Series Specifications

General

Brand	Scully
Model	ST-47 Series
Category	Control Unit
Language	English