acutherm THERMA-FUSER EL Manual page 14

HEAT OFF
SET MONITOR
FLAG Y
SET 30 MIN.
TIMER
HAS IT BEEN 30
MINS.SINCE WARM
SET THE 30 SEC.
TIMER
Flow Chart For AHU Controller
START OF
MORNING
WARM UP
IS MONITOR 30 SEC TIMER
Y
FLAG SET? EXPIRED?
N
MORE THAN
HALF ROOM
TEMPS >
SETPTS?
N
Y
UP?
N
HEAT ON
(Warm Up)
REVIEW ROOM SET PTS
EVERY 30 SECS
MORE THAN
HALF ROOM
Y
SETPTS?
30 MIN TIMER
EXPIRED ?
N
RESET THE 30
SEC TIMER
SYSTEM MODE =
Y
TEMPS < HEAT
N
SYSTEM
Y
MODE=COOL
N
CLEAR WARM
UP FLAG
CLEAR ALL
TIMERS
TO MAIN
FLOWCHART
14