York YCAS0180 - Page 151

151YORK INTERNATIONAL
FORM 201.18-NM1 (102)
LD06011
FIG. 53 – CONDENSER FAN CONTROL
(EPROM VERSIONS C.A32.09.02 (0483), C.ACS.09.02 (087E), AND C.A06.09.03 (EI0C)
COMP ON
YES
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
FAN
CONTROL TIMER
= 0
CONTINUE
CONTINUE
CONTINUE
CONTINUE
CONTINUE
CONTINUE
CONTINUE
CONTINUE
DP > 285
FANS OFF
FAN
LOAD / UNLOAD
TIMER = 15 MIN
FAN
CONTROL
TIMER = 5 SEC
TURN ON
NEXT FAN
STAGE
FAN
CONTROL
TIMER = 5 SEC
FAN
CONTROL
TIMER = 5 SEC
TURN ON
NEXT FAN
STAGE
TURN OFF
NEXT FAN
STAGE
TURN OFF
NEXT FAN
STAGE
FAN
LOAD / UNLOAD
TIMER = 15 MIN
FAN
CONTROL
TIMER = 5 SEC
FAN
LOAD / UNLOAD
TIMER = 15 MIN
FAN
CONTROL
TIMER = 5 SEC
DP < 120
OR OIL - SUCT
DIFF < 75
FAN L/UL
TIMER = 0
DP > 250
DP < 150
8