Metek 920, Operator'S Manual With Essential Health And Safety Requirements

Page: 78 / 278

3-18 | Model 920 Multi-Gas Analyzer
6
Term Board
J106
Sample Line OT Relay
BK #12
30
2
AC2
SSR
BL #22
1
4
3
BL/W #22
BK #12
4
+
AC1
2
-
8
22 52 32
G/Y #12
SAMPLE LINE
W #12
8
17
51 31
W #12
6
Term Board
J106
GY/W #22
GY #22
+
-
SSR
AC2
AC1
Sample Line OT Relay
VENT LINE
W #12
Vent Line OT Relay
W #12
G/Y #12
CUSTOMER
CONNECTION
16
S/L V/L
TERM. BOX
S/L V/L
TERM. BOX
18
21
S/L V/L
TERM. BOX
S/L V/L
TERM. BOX
S/L V/L
TERM. BOX
23
"TB3"
1
0
TERM. BOARD
J105-8
L
Termination Box
Sample/Vent Line
19
20
Sample Line
TERM. BOARD
J105-7
N
S/L V/L
TERM. BOX
SEE NOTE 1
9XX HI TEMP 9XX HI TEMP
BK #18
W #18
N.O. N.O.
N.O.
W #18 BK #12 BK #12
"TB3" "TB3"
"TB3" "TB3"
W #18
8
9
10
12
16
6
7
5
13
11
15
14
19
20
21
3
#
NOTES:
ISOLATION SEE NOTE 3
1. 2.
IF USING A SAMPLE LINE OR VENT LINE w/o TS, PLACE A JUMPER BETWEEN TERMINALS 19 & 20 AND 24 & 25 IN THE SAMPLE/VENT LINE TERMINATION BOX.
ALL WIRES ARE PART OF WIRING HARNESS (301-1636). INDICATES THE IDENTIFICATION TAG THAT IS SUPPLIED ON EACH END OF THE WIRES.
Vent Line OT Relay
BK #12
50
2
BK #12
4
CUSTOMER
CONNECTION
"TB3"
1
0
TERM. BOARD
J105-10
L
Termination Box
Sample/Vent Line
24
25
TS
Vent Line
TERM. BOARD
J105-9
N
SEE NOTE 1
9XX HI TEMP 9XX HI TEMP
BK #18
W #18
N.O.
W #18
W #18
18
17
1
22
2
4
TS
Figure 3-6.2.
Sample/Vent Line Wiring,
GP/Div 2 Analyzer.