Chapter 1.
OVERVIEW AND PRODUCT
CONFIGURATION
1
■
Overview
The
FRS100
Multiburner Controller is a combustion safety control with a safe-
start circuit, for use with manually ignited combustion equipment. To ensure safe-
ty, the
FRS100
prevents ignition if anything abnormal is detected at start up, and
shuts off the fuel valve if a flame failure occurs during operation. It is used in con-
junction with the
AUD100
series advanced ultraviolet flame detector or flame rod
for batch operation of a burner. For continuous burner operation (nonstop combus-
tion for 24 h or longer), instead of the
FRS100
, use the
AUR350C
, which has a
continuous self-checking function.
Because the
FRS100
does not have an ignition function, it is used for systems in
which an operator ignites the burner manually. This device should be used in com-
bination with external instrumentation that supplies a purge function.
Key Characteristics of the
FRS100
■
Features
• Upon equipment startup, the
FRS100
checks both itself and the flame detector.
If anything abnormal is detected, the
FRS100
prevents ignition to ensure safety.
• The
FRS100
is designed to be compact, and can be plugged into the wiring
sub-base. The sub-base can be mounted by screws or onto a DIN rail.
• The power supply state and ignition detection can be verified easily from the
LEDs on the front display. Completion of the start check is indicated by the
LED on the center of the body behind the front cover.
• Flame voltage output (0 to 5 Vdc) can be checked by the
FSP136A100
, or
continuously monitored by a panel meter or recorder.
■
System configuration
In terms of the overall system, the
FRS100
serves as the flame monitoring device.
It is used as shown in the diagram below.
Compatible
Purge
Ignition
Flame
Behavior if
Compatible
burner
function
function
monitoring
flame failure
flame
operation type
occurs
detectors
Batch
No
No
Yes
Does not
A AUD15C
recycle
A AUD15C
Flame rod
Air pressure
lower interlock
Gas pressure
lower interlock
Gas pressure
upper interlock
Ignition
transformer
Air
Fuel
MV
MV
PV PV
T/C
T/C
Temperature
controller
L
L
H
High limit controller
Combustion
chamber
Combustion equipment
FRS100
PS
PS
IG
PS
Flame
detector
Exhaust
