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Figure 3 – 7505A
(for replacement of R7184A)
Interrupted ignition, no valve-on or
motor-off delay
►
Figure 4 – 7505B
(for replacement of R7184B)
Interrupted ignition, valve-on delay only
(no motor-off delay)
►
Figure 5 – 7505P
(for replacement of R7184P)
Interrupted ignition, valve-on and motor-
off delays
►
NOTE: To disable motor-off delay on a 7505P control,
jumper L1 and limit together and wire as shown in Fig. 4.
Typical Boiler Wiring:
Figure 2 – 7505A
(for replacement of R8184G)
Intermittent ignition, no valve-on delay,
no motor-off delay
►
LIMIT
L1
L2 (VLV)
VALVE
L2
MOTOR
L2 (MTR)
L2 (IGN)
IGNITER
CAD
CELL
MOTOR
IGNITER
W
R
80
70
60
50
50
70
80
60
LIMIT
CAD CELL
THERMOSTAT
BOILER CONTROL
TR
TW
TR-TW
JUMPER
TR-TW TERMINALS
LOCATED ON OPPOSITE
SIDE OF CONTROL
B2 B1
T
T
L1
L2
L1
L2
LIMIT
L1
L2 (VLV)
VALVE
L2
MOTOR
L2 (MTR)
L2 (IGN)
IGNITER
CAD
CELL
MOTOR
IGNITER
W
R
80
70
60
50
50
70
80
60
LIMIT
CAD CELL
THERMOSTAT
TR
TW
TR-TW
JUMPER
TR-TW TERMINALS
LOCATED ON OPPOSITE
SIDE OF CONTROL
BOILER CONTROL
B2 B1
T
T
L1
L2
L1
L2
LIMIT
L1
L2 (VLV)
VALVE
L2
MOTOR
L2 (MTR)
L2 (IGN)
IGNITER
CAD
CELL
MOTOR
IGNITER
W
R
80
70
60
50
50
70
80
60
OIL VALVE
CAD CELL
THERMOSTAT
TR
TW
TR-TW
JUMPER
TR-TW TERMINALS
LOCATED ON OPPOSITE
SIDE OF CONTROL
BOILER CONTROL
B2 B1
T
T
L1
L2
L1
L2
LIMIT
L1
L2 (VLV)
VALVE
L2
MOTOR
L2 (MTR)
L2 (IGN)
IGNITER
CAD
CELL
MOTOR
IGNITER
B2 B1
T
T
W
R
80
70
60
50
50
70
80
60
LIMIT
OIL VALVE
CAD CELL
THERMOSTAT
BOILER CONTROL
TR
TW
TR-TW
JUMPER
TR-TW TERMINALS
LOCATED ON OPPOSITE
SIDE OF CONTROL
L1
L2
L1
L2
TR-TW Terminals
Located on
opposite side of
Control
(If applicable)
TR-TW Terminals
Located on
opposite side of
Control
(If applicable)
TR-TW Terminals
Located on
opposite side of
Control
(If applicable)
TR-TW Terminals
Located on
opposite side of
Control
(If applicable)