User Manual
This conditioner receives 24 VAC from the upper
transformer in the SmartBox
™
, in addition to a
4-20 mA input signal from the programmable
controller.
The conditioner then sends control signal of 0-15
VDC to the zone control panel’s variable rate
solenoid valve for operation, based upon the 4-20
mA signal supplied from the programmable
controller.
See Fig.47 for reference to terminals on the
conditioner when checking voltage and connection
of wiring.
FIG.47
RADIANT SIGNAL CONDITIONER
24 VAC INPUT
FROM UPPER
TRANSFORMER
0-15 VDC OUTPUT TO THE
PROPORTIONAL GAS
SOLENOID VALVE
4-20 mA INPUT
F
ROM CONTROLLER
18
GROUND
NOT USED