CEMP-E
TI 810-11
30 November 1998
CPA
EC
PV
AD
TT
TI
RELIEF
RETURN
NC
AIR
AIR
DA
PP
PP
M
M
DA
NO
AD
AD
TT
TI
MIXED
OUTSIDE
NC
AIR
AIR
R
R
TI
TT
ECONOMIZER
FAN ON
AND MINIMUM
VENT DELAY
OUTSIDE AIR
OCC-UNOCC
TY
TC
PP
DA
DIR
HIGH-SIGNAL
SELECTOR
M
PI
MPS
IP
M
PI
Figure 3-6. Mixed air temperature and economizer control loops.
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