IBC SL 20-160 G3 Installation And Operating Instructions Manual page 81

Better
Boilers
P 101
orange
15
red
10
blue
9
orange
2
blue
1
Upper Vessel
High Limit
P 102
Switch
black
1
brown
2
3
yellow
4
P 501
white
33
orange
24
white
17
orange
16
white
22
white
13
2 x plug
red
27
white
28
red
6
yellow
4
black
5
TB1
white
10
black
9
P 702
yellow
6
black
5
Replacement internal wiring
must meet or exceed the
ratings of the wiring supplied
from the factory.
Diagram 6.2-2: Internal wiring diagram
DIAGRAMS
SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS
NRG130
Combustion
Fan
Exhaust
Pressure
Switch
Inlet Water
Temperature
Sensor
VS Out 0-10VDC
24 Vac
Inlet Water
120 Vac
Pressure
Sensor
SL 14-115G3, SL 20-160G3, SL 20-199G3
INTERNAL WIRING DIAGRAM
1
Bk
2
3
4
Bn
5
6
green
Gas
Valve
Outlet Water
Temperature
Sensor
Flue Gas
Temperature
Sensor
Spark
Electrode
and Flame
Sensing Rod
Assembly
black
white
white
black
black
120Vac
Mains
Power Supply
yellow
To Boiler Pump
brown
white
red
green
black
brown
blue
white
white
blue
blue
white
white
red
red
yellow
green
LWCO Probe
red
orange
white
orange
blue
green
green
black
white
green
green green
Grounded
to case
white
P303
1
2
4
5
6
P5
1
2
P3
1
2
3
4
5
6
7
8
9
11
P2
1
2
3
4
7
8
9
T1b
P301
1
2
3
100-029A
6-9