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72
IM 738-2
Wiring Diagrams
Figure 78. VAV Control Inputs, continued
/8.01
/4.00
/3.00
/1.68
H252-2
H25O-SR
H250-4
H25O-+
H252-1
H262-8
H261-10
DRN-13
H264-6
H265-8
DRN-3
OPEN ANALOG
INPUT
(SHOWN WITH FAN IN OFF POSITION)
H243-4
H244-2
H245-3
DRN-1
H234-2
H235-1
DRN-4
H236-3
FILTER
INDICATION
FOR FIELD
H242-4
H243-1
H242-3
H239-3
H240-4
H241-5
DRN-9
OPEN ANALOG
INPUT
H237JMP
H235-6
H235-5
H237-4
H237-3
H237-5
H237-3
H267-1
H267-2
H265-1
H265-2
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
440
440
313
265
267
445
445
BI8
BI9
BI10
AI9
AI10
AI8
AI11
AI12
15V DC
AI13
BI15
AI15
AI14
BI16
BI12
BI14
BI13
AI16
BI11
DUCT HI-LIMIT
HUM
#15
SW4
#16
SW4
#15
SW4
#16
SW4
500HOM
500HOM
SW4
#13
(DUCT STATIC
PRES SENSOR)
SW4
#14
EXTERNAL EXHAUST SWITCH
SW4
#10
CCW
(CL)
CW
(OP)
SW1
#8
(OPP
DRIVE
SIDE)
SW4
#12
PRE FILTER
(0-5V)
SPACE
HUMIDITY
SENSOR
SW4
#9
CCW
(OP)
CW
(CL)
SW4
#11
RA SMOKE DETECTOR
SA SMOKE DETECTOR
16
R
15
14
R
13
12
R
11
10
R
9
8
R
16C
16
15C
15
14C
14
13C
13
12C
12
11C
11
10C
10
9C
9
8C
8
3
1
14
2
SR
+
TR1
TR
3
1
2
S
+
10
8
13
WHT
BLK
DRN
WHT
BLK
DRN
6
8
3
8-
7+
8-
7+
WHT
BLK
DRN
-
+
S
103
G
T
Y
1
4
3
2
RED
WHT
BLK
DRN
3
2
1
4
1
2
3
DRN
RED
WHT
BLK
4
1
109
3
2
3
1
131
WHT
BLK
DRN
PWR
COM
OUT
126
127
GRD
107
7
4
8
9
4
3
5
DRN
WHT
RED
BLK
3
4
17
16
6
5
17
16
6
6
3
5
113
2
1
115
H
1
115
H
2
8
7
8
7
T2_115VAC
DHL
24VCOM/2.47
24VCOM/2.51
PL13
+PP
PL13
+PP
PL13
+PP
OAE
+NB
RAE
+NB
PL7
+PP
PL8
+PP
AFD10
+NB
AFD20
+NB
SPS1
TB2
EXS
+NB
VM1
+NB
PL18
+PP
DFLH_ODS
+NB
PL23
+PP
PL14
+PP
TB2
PL14
+PP
PC5
+NB
TB2
SHS1
+NB
TB2
TB2
ACT3
+NB
PL11
+PP
PL21
+PP
PL20
+PP
SD1
+NB
PL20
+PP
SD2
+NB
PL21
+PP
PL20
+PP
PL21
+PP
TB2
PL21
+PP
PL21
+PP
SD2
+NB
T1_N
PL20
+PP
SD1
+NB
PL20
+PP
R61
R66
SIG_SD/2.38
SIG_SD/2.41
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3=NTC
1=RTD
NJ=VDC
2=MA
2
t
v
1
3
3
NJ=VDC
t
v
3=NTC
2=MA
1=RTD
2
1
260A
252A
JPR
266C
265C
264C
263C
262C
261C
257C
257A
246C
245C
244C
214B
214B
236C
235C
234C
254C
253C
252C
243A
242A
241C
240C
214B
238C
203B
204B
237A
235A
204B
204B
168C
(Schematic continues on previous page.)