MODEL 158A 909GF197B
- 11 -
FIELD WIRING
TERMINAL CONNECTION REMARKS
PROBE TRIAX WHITE LEAD
SHLD TRIAX RED LEAD
TB2
GND TRIAX BLACK LEAD
G CHASSIS GROUND
1 N ( ) SUPPLY
2 H (+) SUPPLY
SEE RATING PLATE
(120 VAC, 240 VAC OR 26.5 VDC)
3 ( ) OUTPUT
4 (+) OUTPUT
SEE NOTES 2 AND 5
5
TB7
6
7
8
NO CONNECTION SEE NOTE 5
9 N.C.
10 COM.
11 N.O.
12 N.C.
13 COM.
TB8
14 N.O.
OPTIONAL NO. 1 ALARM CONTACTS
SEE NOTES 1 AND 3
15
16
NO CONNECTION
17 N.C.
18 COM.
19 N.O.
20 N.C.
21 COM.
TB9
22 N.O.
OPTIONAL NO. 2 ALARM CONTACTS
SEE NOTES 1 AND 4
NOTES:
1. THE ALARM RELAY CONTACTS ARE SHOWN IN THE DE-ENERGIZED CONDITION. FOR
NORMAL OPERATION THE RELAY IS ENERGIZED AND BECOMES DE-ENERGIZED WHEN
THE OUTPUT SIGNAL REACHES THE ALARM POINT.
2. REMOVE JUMPER ACROSS OUTPUT TERMINALS 3 AND 4 WHEN RECORDER,
CONTROLLER, ETC. IS USED.
3. UNLESS OTHERWISE SPECIFIED ALARM NO. 1 SUPPLIES HLFS.
4. UNLESS OTHERWISE SPECIFIED ALARM NO. 2 SUPPLIES LLFS.
5. TERMINALS 3 AND 4, 5 AND 6, 7 AND 8 ARE NORMALLY JUMPERED TOGETHER.
FIGURE 7
ELECTRICAL CONNECTIONS FOR LARGE WEATHERPROOF ENCLOSURE,
MODEL 158A – ( ) ( ) – E ( ).
