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71
Fig. 99 — Typical Wiring Diagram (cont)
261
WIRING DIAGRAM #62X w/ERVWD | 62XM18TDJDGJGHBGZF | 460-3-60 | SHEET 5 OF 7 | 06/01/21 DWN
SRF
CHK
LWF
.
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
Ins tall Co nden sate Overflow
Switch “COS” At Lowest
Point o f Drain Pan
FACTORY WIRING
FIELD WIRING
TERMINAL BOARD
SYMBOL LEGEND
WIRE ALL SHIELD WIRES TO CLOSEST TB-A or TB-D
“GND” TERMINAL AT THE CONTROL PANEL
4
-A (Adj.)
NO
COM
OADA -A (Adj.)
NO
COM
OADA
LP1
LP1
9
5
HPR1
9
5
HPR1
LP2
LP2
9
5
HPR2
9
5
HPR2
WM-CS
WM-CS
EF-CS
EF-CS
CC1-CS
CC1-CS
CC2-CS
CC2-CS
SF-CS
SF-CS
COS
COS
1
3
CFI
1
3
CFI
18
10
9
7
SD
18
10
9
7
SD
ECM Motors
With the ALC off (power must be supplied to
the motor), turn the potenometer clockwise
unl the “RED LED” is lit. Turn the
potenometer counter-clockwise unl the
“RED LED” turns off and the “BLUE LED” is lit.
Please note that with very small loads the
“BLUE LED” will be very dim.
ECM Motors
With the ALC off (power must be supplied to
the motor), turn the potenometer clockwise
unl the “RED LED” is lit. Turn the
potenometer counter-clockwise unl the
“RED LED” turns off and the “BLUE LED” is lit.
Please note that with very small loads the
“BLUE LED” will be very dim.
Adjustable Current Switch Adjusment
Adjustable Current Switch Adjusment
AC Motors and Compressors
With the motor or compressor on and at its
lowest speed turn the potenometer
clockwise unl the “RED LED” is lit.
AC Motors and Compressors
With the motor or compressor on and at its
lowest speed turn the potenometer
clockwise unl the “RED LED” is lit.
If the “RED LED” fails to turn on while the
motor is in operaon and the current switch is
at its lowest adjustment addional wraps of
wire may be needed.
If the “RED LED” fails to turn on while the
motor is in operaon and the current switch is
at its lowest adjustment addional wraps of
wire may be needed.
+
Au
x
Au
x
Un
iv
e
rs
a
l In
p
u
ts
Un
iv
e
rs
a
l In
p
u
ts
Un
iv
e
rs
a
l In
p
u
ts
TB1
R
C
R
BL
BK
BK
PR
PR
PK
PK
W
W
BR
O
GY
BK
Y
Y
GY
W
W
GY
BK
GY
O
BR
PK
PK
PR
PR
Install
OAT
under the OA
hood, sensing the ambient
temp.
4
BK
G
DxLAT2: INSTALL AFTER DX C OIL
#2 UPSTREAM OF REHEAT COI L
R
BK
DxLAT1: INSTALL AFTER DX C OIL
#1 UPSTREAM OF REHEAT COI L
Field install
and wire
1
4
No te: THE SUPP LY/DISCHARGE AIR TEMPERATURE/RELI TIVE HUMI DITY
(SA-T/RH) IS FAC TORY SU PPLI ED FOR FI ELD INSTALLATION IN SUPP LY AIR
DUCT. SENSOR MUST BE INSTALLED DOWNSTREAM OF HEATER WHERE
IT CANN OT “SEE” ANY HEATING ELEMENTS AND WHERE SUFFICIENT
MIXING OF DISCHARGE AIR OCCU RS. USE 18 AWG SHIELDED WI RE. DO
NOT RUN SENSOR WIRING IN THE SAME CONDUIT AS LINE VOLTAGE
WIRING OR WITH WIRING THAT SWITCHES HIGHLY INDUCTI VE LOADS
SUCH AS CONTACTOR AN D RELAY COILS.
1
W
4
R
BK
4
2
4
R
BK
4
R
BK
RAT: IN STALL SEN SI NG THE RETURN
AIR U PSTREAM OF EC W
4
R
BK
WExAT: INSTALL SENSING THE
EXHAUST AIR DOWNSTREAM OF ECW
2
Install
ECA-T/RH
aer the
ECW, sensing the modified
temp/humidity.
3
3
4
4
BU ILDIN G STATIC
Stac P re ssure Sensor
Field install and wire
Stac P re ssure Sensor
Field install and wire
0-10vdc o ut
COM
EXC
ALL FIELD INSTALLED SENSORS SHOULD BE WIRED TO THE
CONTROLLER FOR FACTORY TESTING WITH TEMPORARY
WIRING AND LEFT IN THE UNIT AFTER TEST. TEMPORARY
WIRING SHOULD BE REMOVED FOR PERMANENT
INSTALLATION DURING UNIT INSTALLATION. LABEL
SENSORS PER THE WIRING DIAGRAM.
SF-DPT
SF-DPT
DXLAT1
DXLAT1
DXLAT2
DXLAT2
OAT
OAT
te
m
p
se
n
so
r
V
ou
t
co
m
V i
n
pw
r
ECA-T/RH
te
m
p
se
n
so
r
V
ou
t
co
m
V i
n
pw
r
ECA-T/RH
RAT
RAT
WEXAT
WEXAT
te
m
p
se
n
so
r
V
ou
t
co
m
V i
n
pw
r
SA-T/RH
te
m
p
se
n
so
r
V
ou
t
co
m
V i
n
pw
r
SA-T/RH
0-10vdc o ut
COM
EXC
ZN-DPT
0-10vdc o ut
COM
EXC
ZN-DPT
SENSORS
Line #
DESCRIPTION
CFI
318
Clogged Filter Indicator
COS
320
Condensate Overflow Switch
DXLAT1, DXLAT2
280,282
Dx Leaving Air Temperature #1, #2
ECA-T/RH
262
Entering Coil Air - Temperature & Humidity
OAT
270
Outside Air Temperature
RAT
272
Return Air Temperature
SA-T/RH
266
Supply Air - Temperature & Humidity
SD
322
Factor Installed Smoke Detector
SF-DPT
284
Supply Fan - Differenal Pressure Transducer
WEXAT
274
Wheel Exhaust Air Temperature
ZN-DPT
286
ZONE (Space) - Differenal Pressure Transducer
ZS SENSOR
203
ZS Room Sensor
R
Temperature/Humidity Sensor Details
GreyStone
ACI
PWR
OUT
COM
TE
M
P
VOUT
COM
4-20mA
(Unused)
VIN
G
WH
Lo ose Wires for
Temp ature s ensor
BK
G
W
R
R
W
BK
G
Factory Wired Colors
R
temp
sen sor
V
ou t
co m
V in
pwr
temp
sen sor
V
ou t
com
V in
pwr
Set swit ch to VOLTS
Set J umper t o 10V