EMS-94072N page 8 of 8
Identifying Circuit Board Configuration
Should it becomes necessary to identify your S449 relay board
configuration, undo the two latches/screws and open the EMS448 case
(if applicable). To identify the S449 relay board, look for its 40 screw-
type terminals (see schematic below).
The S449 circuit board configuration designation is controlled by
several factors: (see the call-outs on schematic below).
The S449 Relay Board used with the EMS447, jumpers LK1, LK2 and
LK3 will be in the (7) position. The S449 Relay Board used with the
EMS448; jumpers LK1, LK2 and LK3 will be in the (8) position.
If Test–Off–Auto switch is not to be used, jumper JP5 must be in the
SHORT position and the Test–Off–Auto switch in OFF (if it is present).
If Test–Off–Auto switch is used, jumper JP5 must be in OPEN.
S449 RELAY BOARD
LK1
LK2
LK2
Fuse
TEST-OFF-AUTO
Toggle Switch
Jumper
JP5
Terminals
1 thru 10
Terminals
11 thru 20
Terminals
21 thru
30
Terminals
31 thru
40
WARNING:
DISCONNECT ALL ELECTRICAL POWER AND STOP ALL MACHINERY BEFORE WORKING
ON THE S449 RELAY BOARD. IT IS YOUR RESPONSIBILITY TO HAVE A TRAINED PERSON OR A QUALIFIED
TECHNICIAN HANDLING AND/OR TROUBLE-SHOOT THE S449 RELAY BOARD.
Warranty
A limited warranty on materials and workmanship is given with this FWMurphy product.
A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/warranty.asp.
R
EGISTERED
USA–ISO 9001:2000 FM 28221
UK–ISO 9001:2000 FM 29422
Printed in U.S.A.
M
ur
C
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CALL MURCAL TO PLACE YOUR ORDER
P:(661)272-4700
F:(661)947-7570
www.murcal.com e-mail: [email protected]
