CEMP-E
TI 810-11
30 November 1998
H
N
CLK
0
XX-01
1 - OCC-UNOCC
CLK
AUTOOVERRIDE
XX-01
OCCUPIED
AUTO
R
1
XX-01
TSP-XX-01, TSP-XX-02
0
HS
XX-01
AVAILABLE
OCCUPIED
R
2
TO EMCS
XX-02
TSP-XX-03, TSP-XX-04
PL
3
XX-01
OCCUPIED
OCCUPIED
R
4
XX-03
203,303
TC
XX-01
HEATING
R
5
XX-04
103
PV
PL
6
XX-02
HEATING
HEATING
R
7
XX-05
204,304
M01
AUX. CONTACT
PUMP ON
R
8
XX-06
IP-XX-01
102
HEATING SYSTEM CONTROL PANEL
PUMP
CB
L3
M
L2
L1
M01
XMFR
FUSE
X1
X2
HAND
101
OL'S
102
M01
OFF
OFF
8
103
AUTO
ENABLE
5
HS
R
XX-02
XX-04
PRIMARY-PUMP STARTER
PUMP
PUMP
CB
CB
L3
L3
M
M
L2
L2
L1
L1
M02
M03
XMFR
XMFR
FUSE
FUSE
X1
X2
X1
X2
HAND
HAND
201
301
OL'S
OL'S
202
302
M02
M03
OFF
OFF
R
R
R
R
XX-03
XX-03
XX-05
XX-05
203
303
AUTO
AUTO
4
4
OFF
OFF
ENABLE
ENABLE
204
304
7
7
HS
TSL
HS
TSL
XX-03
XX-01
XX-04
XX-02
SECONDARY-PUMP STARTER
SECONDARY-PUMP STARTER
Figure 4-9b. Control system ladder diagram for central plant high-temperature hot water hydronic heating
system.
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