CEMP-E
TI 810-11
30 November 1998
H
N
CLK
0
XX-01
1 - OCC-UNOCC
AUTOOVERRIDE
CLK
XX-01
AUTO
OCCUPIED
R
1
XX-01
0
TSP-XX-01, TSP-XX-02
HS
XX-01
AVAILABLE
OCCUPIED
R
2
TO EMCS
XX-02
TSP-XX-03, TSP-XX-04
PL
3
XX-01
OCCUPIED
OCCUPIED
R
TC
4
XX-03
XX-01
203,303
HEATING
R
5
XX-04
103,503
PV
HEATING
R
6
XX-05
204,304
PL
7
XX-02
HEATING
BOILER ON
R
8
XX-06
400
HEATING SYSTEM CONTROL PANEL
R
XX-06
400
BOILERCONTROL
8
CIRCUIT
401
BOILER INTERLOCK
PUMP
PUMP
CB
CB
L3
L3
M
M
L2
L2
L1
L1
M01
M02
XMFR
XMFR
FUSE
FUSE
X1
X2
X1
X2
HAND
HAND
101
201
OL'S
OL'S
R
R
M01
M02
OFF
R
OFF
102
202
XX-04
XX-03
XX-05
103
203
AUTO
AUTO
4
5
OFF
OFF
ENABLE
ENABLE
104
204
6
HS
HS
TSL
XX-02
XX-03
XX-01
PRIMARY-PUMP STARTER
SECONDARY-PUMP STARTER
PUMP
PUMP
CB
CB
L3
L3
M
M
L2
L2
L1
L1
M04
M03
XMFR
XMFR
FUSE
FUSE
X1
X2
X1
X2
HAND
HAND
501
301
OL'S
OL'S
R
R
R
OFF
OFF
M04
M03
502
302
XX-04
XX-03
XX-05
503
303
AUTO
AUTO
5
4
OFF
OFF
ENABLE
ENABLE
504
304
6
HS
HS
TSL
XX-05
XX-04
XX-02
BOILER PUMP STARTER
SECONDARY-PUMP STARTER
Figure 5-18b. Control system ladder diagram for single building hydronic heating system with constant
volume hot water boiler loop.
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