Installation Owner manual

7 Page 7 - 12 TANK SENTINEL
®
INSTALLATION GUIDE
WARNING:
LETHAL VOLTAGES COULD EXIST !
LOCAT E AND DISCONNECT ALL EXTERNAL POWER SOURCES
BEFORE WORKING ON OR SERVICING THESE CIRCUITS —
REINSTALL THIS COVER BEFORE OPERATING EQUIPMENT.
WARNING Avoid electrical shock hazards. External power sources may be
present — locate and disconnect all external power sources before wiring or
servicing these circuits.
The alarm-relay interface terminals are located at J16 and J15, below the
console line power terminal strip. The interface terminals for each relay includes
a fused common (C) contact, a normally open (NO) contact, and normally
closed (NC) contact. You may choose whether you want the alarm circuit to be
normally open (closes/makes upon alarm) or normally closed (opens/breaks
upon alarm). See Figure 7-6 for this circuit.
Wire and Contact Ratings
Alarm circuits should be wired with a minimum of 18 AWG (1.0 mm) wire, type
TFFN, THWN, or THHN. Alarm relay contacts are rated for 3 amps at 125/250
VAC or 30 VDC. Do not exceed these maximum ratings.
Figure 7-6. Alarm-Relay Output Wiring
POW ER
TERMINAL
SAFETY SHIELD
(CLEAR COVER)
NC 1
ALARM
SIGNAL 2
FROM CPU
dd
ALARM
SIGNAL 1
FROM CPU
NC 2
C 2
NO 2
C 1
NO 1
TANK SENTINEL
"PROGRAMMABLE"
ALARM-RELAY
OUTPUTS
CONTACT
RATINGS:
3 AMPS MAX.
@ 30 VDC
125/250 VAC
Remote/External
Alarm Outputs
RELAY O UTPU TS
F16
F17
F15
NO 2
C 2
RELAY OUTPUTS
NO 2
N.C.
F15
2AG, 3A
N.O.
C
N.C.
N.O.
C
F16
2AG, 3A
AL
RLY 1
AL
RLY 2
WARNING: AVOID ELECTRICAL SHOCK HAZARDS.
EXTERNAL POWER SOUCES MAY BE PRESENT -
LOCATE AND DISCONNECT ALL EXTERNAL POWER SOURCES
BEFORE WIRING OR SERVICING THESE CIRCUITS.
Alarm Relay Output Wiring & Schematic
Enlarged View of Terminal Strip # J16 & J15
POWER
ON
SW1
OFF
SAFETY
GND
J15
NO 1
NC 2
J16
C 1
NC 1
GND
POW ER
J17
L1
NEUT
NO 1
C 2
NC 2
C 1
NC 1
TS- LLD
IN P U T S
GND
+
+
GND
IN 2
dd
J14
B1
DSY
S.RTN
IN 1
J13
F14
485B
485A
Suggested Use - Optional:
INCON TS-RA1 (or TS-RA2) & TS-RK
Remote Tank Overfill Alarm Outputs.
See these manuals for further details.