Laars MAGNATHERM MGH2000 Installation And Operation Instructions For page 37

4
MagnaTherm Boilers and Water Heaters
G
12
11
W
10
9
BK
8
BR/R
7
BK
6
BR/G
5
BK/O
4
BR/V
3
BK/V
2
1
BK
7
BK
6
5
4
BK/R
3
BK/Y
2
W/R
1
W/R
8
W/R
7
6
5
4
GY/BL
3
BR/R
2
BR/Y
1
7
BK/OR
6
GY/BK
5
GY/R
4
R
3
GY/V
2
1
CR1
1 2
4
3
5 6
BL
7 8
BK W
4 3 2 1
VTB2
24VAC POWER
VTB1
1 2
Y (+)
(-)
BL
4
FLAME ROD
4 3
2 1
J1
J2
J4 J8
J5 J9
POWER
J6 J10
FLAME
ALARM
RESET
J7
J11
J3
MB1 MB2 ECOM
A B C A B C 1 2 3
TB1-38C
TB1-36C
Y
W
BR
BL
BL Y BL Y
VTB3
4-20ma(+)
1
4 3 2 1
4 3 2 1
4-20ma(-) 2
VTB5 VTB4
3
0-10 V(+)
VARIPRIME
0-10 V(-) 4
ENCLOSURE
VTB6
DIGITIZED
N/O 1
P/N LAARS-1
COM 2
(OPTIONAL) N/C 3
Page 2 of 2
3
3
BL
1
Y
2
BL
3
V/W
4
V
5
OR
6
OR/W
7
W/BK
8
W/V
9
W/BK
10
BR/Y
11
BR/Y
12
BL/W
1
2
BL
3
W/R
4
5
W/G
6 W/R
7
1
TB1-39C
2
TB1-42C
3
TB1-40C
4
TB1-43C
COM 1 COM2
5
TB1-45C
1 2 3 4 5 6 7 8
6
TB1-44C
7
8
1
2
3
4
5
6
7
TB1-37C
CR2
1 2
BL
4
3
NOTE:
5 6
7 8
BL
1.
W
2.
V
2
INLET TEMP
V
1
R
2
OUTLET TEMP
1
R
UNLESS OTHERWISE SPECIFIED:
DRAIN WIRE
TOLERANCES ARE:
FROM
DECIMALS .X .1
FRACTIONS
SHIELDED
DECIMALS .XX .03
CABLE
DECIMALS .XXX .010
ANGLES 1
MATERIAL:
N/A
FINISH
N/A
2
REV. ECN
B
14-002N-13
INCREASE LINE WEIGHT FOR HIGH VOLTAGE TRACES
CHANGE:
8 POS CONN "C"
1
2
5
1
2
1
6 3
3
4
1
3
8
7
CONN-
ECTOR
"D"
DISPLAY
BL
Y
DASHED LINES DENOTE VARIPRIME PUMP
CONTROLS. VARIPRIME INSTALLED ON
HYDRONIC UNITS ONLY.
*
= USED ON SIZE 4.0 KBTU ONLY
DO NOT SCALE DRAWING.
THIRD ANGLE PROJECTION.
1/8" DIMENSIONS ARE IN INCHES.
TITLE:
DIAGRAM, WIRING/BLOCK, MGT
APPROVALS
DRAFT
4/19/13
ENGR
INTENDED SIZE:
D
AL 5/17/13
APPR
SCALE: NONE
2
1
Page 33
REVISIONS
DRAFT CHECK ENGR APPR APP
JM 2-11-14 AL 2-11-14
INLET WATER TEMP
2
OUTLET WATER TEMP
4
2
STACK TEMP
4
SOFTWARE DWG. NO:
REV.
S
E23512
SHEET 1 OF 1
1