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