Mascot ii boilers and water heaters, Page 25, Figure 22. wiring diagram – LAARS Mascot ll LMC - Install and Operating Manual User Manual
Page 27
Mascot II Boilers and Water Heaters
Page 25
Figure 22. Wiring Diagram.
BLOCKED
VENT SWITCH
COM
NC
POWER PLUG 115V
BLOWER
3
1
5
1
G
POWER SWITCH
Y
24V
115V
W
BK
Y
TRANSFORMER 115 VAC INPUT 24 VAC OUTPUT
1 2
DOMESTIC
EMP. SENSOR
1
2
INLET TEMP. SENSOR
CIRCUIT
BREAKER
115V "HOT"
10A
WIRE GUIDE
24V = 22 AWG 24V = 18 AWG 115V = 18 AWG
COLOR GUIDE
BK - BLACK W - WHITE R - RED Y - YELLOW BL - BLUE BR - BROWN O - ORANGE G - GREEN P - PURPLE GR - GRAY
115 V
"HOT"
115 V
"N
EUTRAL"
115 V
"G
ROUND"
PUMP
CIRCUIT
BREAKER
24V "HOT"
2 AMP
3 WAY
WATER FLOW
VALVE
31 42
OUTLET TEMP. SENSOR
31 42
EXHAUST STACK
TEMP. SENSOR
24V COM
+24V
G
A
S
VALVE
NO
COM
WATER PRESSURE
SWITCH
1
2
3
LOCAL DISPLAY
N
C
2
3
4
5
6
7
8
1
N
O
CO
M
H2345500revA
C
O
M
N
0
FAN PROVING
SWITCH
LMC ONLY (LMH: USE JUMPER B/W 7 & 8)
Y
4
65
3
5
4
6
DPDT RELAY
G
O
LMC ONLY (LMH: USE A-STAT FOR INDIRECT)
BK
R
R
W
Y
Y
R
G
LW
C
O
SWITCH
W
BK
W
BK
1
2
34
5
6
7
8
9
10
11
12
13
14
SPARK IGNITOR
FLAME SENSOR
SYSTEM
SENSOR
ALARM
T-T OR INTERLOCK
ANALOG INPUT +
OUTDOOR TEMP.
SENSOR
ANALOG INPUT -
OUTDOOR TEMP.
SENSOR
SYSTEM PUMP
BK
BK
W
W
G
G
R
R
R
Y
Y
Y
R
G
R
Y
BR
R
O
P
BL
O
BR
Y
BL
BL
BR
Y
BR
BL
O
BR
Y
Y
P
P
PO
BL
BR
GR
GR
GR
P
P
GR
GR
Y
BR
BL
R
BK
W
Y
Y
BR
R
P
BR
BL
FLOW SWITCH
R
BK
W
ILLUM
Y
J4A
J8A
J9
J2
J1
J3
4
3
2
1
1
4
23
6
5
A
A
A
B
B
B
C
C
R
MB1
MB2
ECOM
HV SPARK
J10
CONTROL MODULE
1
2
1
2
3
7
8
2
3
4
5
6
78
12
3
4
5
6
12
3
4
5
4
5
6
6
12
3
Y
J8B
1 TERM STRIP
R
G
BK
1
3
14
2
56
BK
BK
BR
BL
1
65
43
2
J4B
Y
DRY
CONTACT
7A
GR
R
C
(OPTIONAL)
R20729
O
BLOCKED
VENT SWITCH
COM
NC
POWER PLUG 115V
BLOWER
3
1
5
1
G
POWER SWITCH
Y
24V
115V
W
BK
Y
TRANSFORMER 115 VAC INPUT 24 VAC OUTPUT
1 2
DOMESTIC
EMP. SENSOR
1
2
INLET TEMP. SENSOR
CIRCUIT
BREAKER
115V "HOT"
10A
WIRE GUIDE
24V = 22 AWG 24V = 18 AWG 115V = 18 AWG
COLOR GUIDE
BK - BLACK W - WHITE R - RED Y - YELLOW BL - BLUE BR - BROWN O - ORANGE G - GREEN P - PURPLE GR - GRAY
115 V
"HOT"
115 V
"N
EUTRAL"
115 V
"G
ROUND"
PUMP
CIRCUIT
BREAKER
24V "HOT"
2 AMP
3 WAY
WATER FLOW
VALVE
31 42
OUTLET TEMP. SENSOR
31 42
EXHAUST STACK
TEMP. SENSOR
24V COM
+24V
G
A
S
VALVE
NO
COM
WATER PRESSURE
SWITCH
1
2
3
LOCAL DISPLAY
N
C
2
3
4
5
6
7
8
1
N
O
CO
M
H2345500revA
C
O
M
N
0
FAN PROVING
SWITCH
LMC ONLY (LMH: USE JUMPER B/W 7 & 8)
Y
4
65
3
5
4
6
DPDT RELAY
G
O
LMC ONLY (LMH: USE A-STAT FOR INDIRECT)
BK
R
R
W
Y
Y
R
G
LW
C
O
SWITCH
W
BK
W
BK
1
2
34
5
6
7
8
9
10
11
12
13
14
SPARK IGNITOR
FLAME SENSOR
SYSTEM
SENSOR
ALARM
T-T OR INTERLOCK
ANALOG INPUT +
OUTDOOR TEMP.
SENSOR
ANALOG INPUT -
OUTDOOR TEMP.
SENSOR
SYSTEM PUMP
BK
BK
W
W
G
G
R
R
R
Y
Y
Y
R
G
R
Y
BR
R
O
P
BL
O
BR
Y
BL
BL
BR
Y
BR
BL
O
BR
Y
Y
P
P
PO
BL
BR
GR
GR
GR
P
P
GR
GR
Y
BR
BL
R
BK
W
Y
Y
BR
R
P
BR
BL
FLOW SWITCH
R
BK
W
ILLUM
Y
J4A
J8A
J9
J2
J1
J3
4
3
2
1
1
4
23
6
5
A
A
A
B
B
B
C
C
R
MB1
MB2
ECOM
HV SPARK
J10
CONTROL MODULE
1
2
1
2
3
7
8
2
3
4
5
6
78
12
3
4
5
6
12
3
4
5
4
5
6
6
12
3
Y
J8B
1 TERM STRIP
R
G
BK
1
3
14
2
56
BK
BK
BR
BL
1
65
43
2
J4B
Y
DRY
CONTACT
7A
GR
R
C
(OPTIONAL)
R20729
O