12 liberty ii, Cd e revision, R7184b – Slant/Fin BOILERS User Manual
Page 12
12
LIBERTY II
T
T
24 VOLT
THERMOSTAT
FLAME
DETECTOR
BLACK
RED
WHITE
4
2
1
3
NOZZLE LINE
HEATER
IF EQUIPPED
GREEN GROUNDING
SCREW
QUICK DISCONNECT PLUG
1
3
L2
L1
WHITE
OTHER
SAFETY
CONTROL
BLACK
RED
GREEN
HIGH
LIMIT
2
1
ELECTRICAL POWER
SUPPLY. PROVIDE DIS
CONNECT
MEANS AND OVERLO
AD PROTECTION AS R
EQUIRED BY CODES.
2
CONTROL CASE MUST BE
CONNECTED TO EARTH
GROUND
USE GROUNDING SCRE
W PROVIDED.
3
GROUNDING CONDUCTOR: TWO GR
EEN GROUND WIRES ARE FACTO
RY CONNECTED TO
THE GREEN GR
OUND SCREW IN THIS BOX.
FIELD WIRE A GROUNDED CONDU
CTOR TO THIS SC
REW TOGETHER
WITH THE TWO
GREEN FACTORY CONNECTED GREE
N WIRES.
BURNER JUNCTION BOX
FIELD CONNECTION
JUNCTION BOX
(FACTORY MOUNTED)
43-0801
ORANGE
BLUE
R7184B
VIOLET
VIOLET
R7184B
BLUE
ORANGE
43-0801
FIELD CONNECTION
JUNCTION BOX
(FACTORY MOUNTED)
BURNER JUNCTION BOX
GROUNDING CONDUCTOR: TWO GR
EEN GROUND WIRES ARE FACTO
RY CONNECTED TO
THE GREEN GR
OUND SCREW IN THIS BOX.
FIELD WIRE A GROUNDED CONDU
CTOR TO THIS SC
REW TOGETHER
WITH THE TWO
GREEN FACTORY CONNECTED GREE
N WIRES.
3
CONTROL CASE MUST BE
CONNECTED TO EARTH
GROUND
USE GROUNDING SCRE
W PROVIDED.
2
ELECTRICAL POWER
SUPPLY. PROVIDE DIS
CONNECT
MEANS AND OVERLO
AD PROTECTION AS R
EQUIRED BY CODES.
1
2
HIGH
LIMIT
GREEN
RED
BLACK
OTHER
SAFETY
CONTROL
WHITE
3
1
GREEN GROUNDING
SCREW
NOZZLE LINE
HEATER
IF EQUIPPED
3
1
2
4
WHITE
RED
BLACK
FLAME
DETECTOR
24 VOLT
THERMOSTAT
T
T
T
T
24 VOLT
THERMOSTAT
FLAME
DETECTOR
BLACK
RED
WHITE
4
2
1
3
NOZZLE LINE
HEATER
IF EQUIPPED
GREEN GROUNDING
SCREW
QUICK DISCONNECT PLUG
1
3
L2
L1
WHITE
OTHER
SAFETY
CONTROL
BLACK
RED
GREEN
HIGH
LIMIT
2
BURNER JUNCTION BOX
FIELD CONNECTION
JUNCTION BOX
(FACTORY MOUNTED)
43-0801
ORANGE
BLUE
R7184B
VIOLET
VIOLET
9
PRIMARY R7184B WAS R8184G
SEE EN 6049
A
R7184B
BLUE
ORANGE
43-0801
FIELD CONNECTION
JUNCTION BOX
(FACTORY MOUNTED)
BURNER JUNCTION BOX
G
2
HIGH
LIMIT
GREEN
RED
BLACK
OTHER
SAFETY
CONTROL
WHITE
L1
L2
3
1
QUICK DISCONNECT PLUG
GREEN GROUNDING
SCREW
NOZZLE LINE
HEATER
IF EQUIPPED
3
1
2
4
WHITE
RED
BLACK
FLAME
DETECTOR
24 VOLT
THERMOSTAT
T
T
B
L
A
C
K
B
L
A
C
K
B
L
U
E
BURNER
MOTOR
IGNITION
SOLENOID
VALVE
IF EQUIPPED
SOLENOID
VALVE
IF EQUIPPED
IGNITION
BURNER
MOTOR
BURNER
MOTOR
IGNITION
SOLENOID
VALVE
IF EQUIPPED
SOLENOID
VALVE
IF EQUIPPED
IGNITION
BURNER
MOTOR
C
D
E
REVISION
NO.
D
ZONE
D
8
7
6
5
4
3
2
See Detail "A" (p
.13) for pr
imary other
than R7184
4
2
1
3
2
BLACK
WHITE
RED
GREEN
T
T
F
F
FLAME
DETECTOR
WHITE
BLACK
RED
GREEN GROUNDING
SCREW
LOW WATER ALARM
OR WATER FEEDER
(OPTIONAL)
NOZZLE LINE
HEATER
IF EQUIPPED
1
PRESSURE
CUT OUT
BURNER JUNCTION BOX
QUICK DISCONNECT PLUG
2 CONDUCTOR BX CABLE
STEAM HARNESS #2 FIELD
CONNECTED ON PRESSURE
CUT OUT.
L2
L1
RED
RED
4
OTHER
SAFETY
CONTROL
JU
MP
ER
FIELD CONNECTION
JUNCTION BOX
FACTORY MOUNTED
L 4006A
LOW LIMIT
FOR TANKLESS
(OPTIONAL)
BLUE
RED
BLACK
3 CONDUCTOR BX CABLE
STEAM HARNESS #5 (BLUE WIRE
AVAILBLE FOR OPTIONAL
ALARM OR
WATER FEEDER IF USED).
3
Solenoid valve if equipped.
Splice
Terminal
Overload protection and di
sconnect switch must be
provided as
required by local codes.
Nozzle line heater, if equipp
ed.
1
2
3
On burners without nozzle line heater, fiel
d connect
hot line to singl
e black wire from
3 conductor box cable in
4 x 4 junction box.
67 MM L.W.C.O.
1
2
3
4
120 VAC./60Hz
24 VOLT
THERMOSTAT
WIRING FOR PACKAG
ED STEAM BOILER
EQUIPPED WITH Mc
DONNELL NO. 67 L
.W.C.O.
High-Pressure Limit
Recommemded setting 0.5 PSI
Differential 5 PSI
Low Limit (tankless m
odel only)
recommemded setting 160
∞F
PRIMARY
CONTROL
R7184B
ORANGE
BLUE
VIOLET
V
B
L
A
C
K
B
L
A
C
K
B
L
U
E
See Detail "A"
(p.13)
for
primar
y other than R7184
IGNITION
BURNER
MOTOR
SOLENOID
VALVE
IF EQUIPPED
BASIC MODULE WIRING
(less circulator)
WIRING FOR PACKAGED STEAM BOILER EQUIPPED WITH McDONNELL NO.67 L.W.C.O.