YORK INTERNATIONAL
148
FORM 100.50-NOM1 (604)
Service
LD09841B
SSP SSN SSAP SSAN TSAO TSC IAQP IAQN
AI
5
AI
5
C
AI
6
AI
6
C
AI
7
AI
7
C
AI
8
AI
8
C
AI
9
AI
9
C
AI
10
AI
10
C
AI
11
AI
11
C
AI
12
AI
12
C
24
VAC
COM
24
VAC
12R
13R
J48
HAS
NO
CONNECTION
ON
UNITS
EQUIPPED
WITH
RETURN
FAN
1
1
1
1
1
1
1
RETURN
AIR
RH
SENSOR
OPTIONAL
OUTSIDE
AIR
TEMP
SENSOR
OUTSIDE
AIR
RH
SENSOR
OPTIONAL
RETURN
AIR
TEMP
SENSOR
OPTIONAL
BLDG
PRESSURE
TRANSDUCER OPTIONAL
DUCT
PRESSURE
TRANSDUCER OPTIONAL
OUT
EXC
COM
COM
OUT
EXC
4
1
4
4
AMS
PRESSURE
TRANSDUCER
NO.1
OPTIONAL
AMS
PRESSURE
TRANSDUCER
NO.2
4
4
4
6ACU
-OPTIONAL
HW/STEAM
VALVE
ACTUATOR
3ACU
-OPTIONAL
EXHAUST
DAMPER
ACTUATOR
1ACU
OPTIONAL
5ACU
-OPTIONAL
75%
AMS
DAMPER
ACTUATOR
4ACU
-OPTIONAL
AMS
25%
DAMPER
ACTUATOR
12R-2
12R-3
12R-4
13R-2
13R-3
13R-4
12R-1
13R-1
1LPCO
T'STAT
AI
Y
1
X
OCC
W2
W
SD
Y2
4
C
TSC
TSAO
COMPRESSOR
SAFETY
CHAIN
STATUS
CIRCUIT
SYSTEM
NO.
1
J25
J26
J27
J28
J29
J30
J3
J22
COMPRESSOR
SAFETY
CHAIN
STATUS
CIRCUIT
SYSTEM
NO.
2
4
24
VAC
24
VAC
SRC2
SRC1
1
1
J33
4
J34
J35
J36
C/O
RELAY
145
144
OCC SD SMK
10
102
103
104
105
106
107
11
12
112
122
113
123
114
124
125
126
100
C/O
RELAY
AO6 AO6C
AO5 AO5C AO4 AO4C
AO3
BYP
BI11
BI12
BI13
BI14 120
200
2COM
4
4
4
4
4
4
4
4
J14
PRIMARY
UNIT
CONTROLLER
(MOD-DCU)
4
NEG.
PRESSURE
SAFETY
SWITCH
SEE
DETAIL"A"
15
VDC
15V(A) 15V(B) 15V(C)
15V(A)
15V(B)
15V(C)
EXC OUT COM
EXC OUT COM
EXC OUT COM
EXC OUT
100
COM
100
200
2COM
COM
ELEMENTARY
DIAGRAM
-YPAL
MOD-C
CLASS
2
CONTROL
w/
RETURN
FAN
50-65
TON
035-13474-111
REV.
B
1T 115V
-24V
CONTROL
TRANSFORMER 100
VA,
CLASS
2
2T 115V
-24V
CONTROL
TRANSFORMER 75
VA,
CLASS
2
SEC
SEC
PRI
PRI
350
349
348
347
346
345
344
343
342
34
340
339
338
337
336
335
334
333
332
33
330
329
328
327
326
325
324
323
322
32
320
319
318
317
316
315
314
313
312
31
310
309
308
307
306
305
304
303
302
30
300
##
LEGEND
CTB1
CONTROL
TERMINAL
BLOCK
FOR
CUSTOMER
CONNECTION
REFER
TO
LI
N
E#2
36
,2
37
REFER
TO
LINE
#
236,
237
120
5
1
LI
N
E#3
08
LINE
#
308
(100)
5
LI
N
E#3
12
CTB2
OPTIONAL
FLEXSYS
CONTROL
TERMINAL
BLOCK
FOR
FIELD
CONNECTION
#
OUTPUT
CONNECTION
FOR
GAS
&
ELECTRIC
HEAT
OPTIONS
1
2LPCO
4
24VAC
100
J48
#
CTB3
RS485
COMM.
BUS
CONTROL
TERMINAL
BLOCK
FOR
FIELD
CONNECTIONS
!!!
NOT
FOR
B.A.S.
USE
!!!
128
127
8R-2
7R-2
100
24VAC
I
I
I
I
P2
P
I
I
I
I
P
P2
I
SR1
SR-XM1
4
EVAP
FREEZESTATS
COMP.
SYSTEM
#1
EVAP
FREEZESTATS
COMP.
SYSTEM
#2
3STAT
4STAT
6STAT
5STAT
145
12
122
123
124
125
126
112
11
113
114
150
152
COM
100
144
145
9STAT
AMBIENT THERMOSTAT
155
LINE
#
318
LINE
#
322
LINE
#
308
LINE
#
306
COM
COM
COM
152
J55
150
J55
J55
100
100
J55
155
100
REFER
TO
LINE
#S
203-211,
217-224,
AND
229-236
FOR
SWITCHED
SIDE
OF
SR1,
SR-XM1
AND
SR-XM2.
P25
P23
P26
P139
P275
P136
P134
P280
P130
144
AIR
PROVING
SWITCH
DIRTY
FILTER
SWITCH OPTIONAL
HW FREEZESTAT OPTIONAL
10STAT
ONLY
USED
ON
UNITS
WITH
EXTENDED
CABINETS
10STAT
4PSW
2STAT
2PSW
1PSW
4PSW
ONLY
USED
ON
UNITS
WITH
EXTENDED
CABINETS
P276
664
664
4
P272
109
HR
108
20
11R
10R
EXHAUST
FAN
252,
254,
348
SUPPLY
FAN
249,
251,
352
NOTE,
J34
USED
FOR
HW
VALVE
OR
FOR
MODULATING
GAS
HEAT.
HW
VALVE
SHOWN.
15OL
14OL
TERMINALS
4
AND
5
OF
2VFD
608
610
609