4
3940011 12.12
Gas
Valve
ON/OFF damper
and actuator with
end-switch
ON/OFF
Contact
ON/OFF
Contact
ON/OFF
Contact
ON/OFF
Contact
ENERVEX
Stack Probe
XTP
Transducer
EBC30 Control
RSV Chimney Fan
ISOKERN fireplace
Multiple ISOKERN Fireplace system
with Single stack and Draft Control
Gas
Valve
ON/OFF damper
and actuator with
end-switch
ISOKERN fireplace
Gas
Valve
ON/OFF damper
and actuator with
end-switch
ISOKERN fireplace
Gas
Valve
ON/OFF damper
and actuator with
end-switch
ISOKERN fireplace
Fig. 1
1.3 System Description
During operation, the EBC 30 maintains a constant negative pressure in the vertical common vent and
replaceconnectors.WhentheADMopenstoitspreset,openpositionandthepilotislit,theburner
receives a signal to release the gas valve. The XTP senses the change in pressure and the EBC30 speeds
upthechimneyfanuntilthedraftset-pointissatised.Thespeedofthefanmodulatesandvaries
dependingonthenumberofreplacesinoperation.Thefanissizedbasedontheamountofdraftneeded
whenallreplacesareburning(worst-casescenario).