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
7, 10
HS
AVAILABLE
XX-01
TO EMCS
PL
2
XX-01
OCCUPIED
TC
XX-01
HEATING, DEMAND
R
3
XX-02
13,203
PV
FS
XX-01
HEATING, DEMAND, FLOW
R
4
XX-03
IP-XX-01, 300
PL
5
XX-02
HEATING
HS
HEAT
XX-02
6
OFF
R
COOL
XX-01
COOLING, OCCUPIED
TDR
7
XX-01
14
1
R
XX-04
8
9
TS
XX-01
COOL-DOWN
R
9
XX-04
8, 12
FS
R
XX-01
XX-02
COOLING, OCCUPIED, FLOW
R
10
XX-05
400
1
PL
11
XX-03
COOLING
HS
R
HEAT
XX-03
XX-04
DUAL-TEMP CHANGEOVER
EP
12
COOL
XX-01
VLV-XX-02, VLV-XX-03
9
R
XX-02
HEATING, COOLING
R
13
XX-06
103
3
TDR
XX-01
14
7
INSTANTANEOUSCLOSE
TIMED OPEN ON DE-ENERGIZATION
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
102
202
M01
M02
OFF
OFF
OFF
OFF
103
203
AUTO
AUTO
ENABLE
ENABLE
3
13
HS
HS
R
R
XX-04
XX-05
XX-06
XX-02
DISTRIBUTION PUMP STARTER
BOILER PUMP STARTER
R
R
XX-05
XX-03
300
400
CHILLERCONTROL
BOILERCONTROL
4
10
CIRCUIT
CIRCUIT
301
401
CHILLER INTERLOCK
BOILER INTERLOCK
Figure 5-19b. Control system ladder diagram for single building dual-temperature hydronic system with
constant volume boiler loop.
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