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CONNECTION TO AN EXTERNAL ACTUATOR
BurnerPRO is designed to interface with an external actuator. It offers direct interfacing to common actua-
tors that support line voltage signaling (see figure below). It can also be wired with low voltage actuators
with the aid of interposing relays (see figure below).
26
8
11
Feedback
Economy
(Closed)
Line Level
Inputs
AUX
POS
(closed)
DIRECT INTERFACING
8
11
Feedback
Economy
(Closed)
Low Fire
Switch
Purge Air
Flow Switch
KA2
KA/KB = SPDT
KA1
R
T
10
9
Minimum
Open
(Low Fire)
(High Fire)
LOW
HIGH
10
9
Mininimum
Open
(Low Fire)
(High Fire)
RA
L2
KB1
KB2
B
W
FIRING RATE
MOTOR
T
Power Supply
NON-DIRECT INTERFACING
20
Release
(Auto)
REL
LOAD
CONTROL
20
Release
(Auto)
RB
R
W
B
POTENTIOMETER
CONTROLLER
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