Thermo Scientific Locator Series Operation Manual And Parts List page 14

A L N
CCESSORY IQUID
Figure 1
U4
4
1
2 5
3 6
The position of J4 and J6 indicate
whether the relay is normally open
or normally closed.
Figure 3
14
L M
ITROGEN EVEL ONITOR
Remote Alarm Connections Schematic
J3-1
J3-2
O
PERATION
Remote Alarm wires connect here
(Note polarity.)
- +
R3
J4
Figure 2
V
Load Voltage
L
(AC, DC)
Load
PC509X2 REV C
1
R4
R2
SW1
1
1
C3
U7
J6
U8
C2
For normally open contact, place jumper here.
For normally closed contact, place jumper here.