26
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).
11
Economy
(Closed)
10
Mininimum
(Low Fire)
9
Open
(High Fire)
NON-DIRECT INTERFACING
L2
RA
RB
R
R
KB1
KB2
B
W
POTENTIOMETER
CONTROLLER
W
T
T
FIRING RATE
MOTOR
Power Supply
KA1
8
Feedback
B
KA2
KA/KB = SPDT
20
Release
(Auto)
Low Fire
Switch
Purge Air
Flow Switch
8
Feedback
11
Economy
(Closed)
10
Minimum
(Low Fire)
20
Release
(Auto)
LOW
REL
Line Level
Inputs
LOAD
CONTROL
DIRECT INTERFACING
9
Open
(High Fire)
AUX
(closed)
POS
HIGH
