Fig. 100 — Wiring Diagram for Units with Inverter Driven Compressor (20+ tons) (cont)
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
LP1LP1
9
5
HPR1
9
5
HPR1
LP2LP2
9
5
HPR2
9
5
HPR2
EF-CSEF-CS
CC1-CSCC1-CS
CC2-CSCC2-CS
SF-CSSF-CS
COSCOS
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 pot enometer 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 pot enometer 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 AdjusmentAdjustable 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 th e “RED LED” fails to turn on wh ile th e
motor is in operaon and the current switch is
at its lowest adjustment addional wraps of
wire may be needed.
If th e “RED LED” fails to turn on wh ile th e
motor is in operaon and the current switch is
at its lowest adjustment addional wraps of
wire may be needed.
+
Aux
AuxUniversal Inputs
Universal Inputs Universal Inputs
TB1
R C
R BL
BK
BK
PR
PR
PK
PK
W
W
BR
O
GY
BK
Y
Y
W
W
BK
GY
O
BR
PK
PK
PR
PR
4
2
BK
Install OA-T/RH under the
OA hood, sensing the
am bi ent tem p /humidit y.
2
G
DxLAT2: INSTALL AFTER DX COIL
#2 UPSTREAM OF REHEAT COIL
R
BK
DxLAT1: INSTALL AFTER DX COIL
#1 UPSTREAM OF REHEAT COIL
Field install
and wire
1
4
Note: THE SUPPLY/DISCHARGE AIR TEMPERATURE/RELI TIVE HUMI DITY
(SA-T/RH) IS FACTORY SUPPLIED FOR FIELD INSTALLATION IN SUPPLY AIR
DUCT. SENSOR MUST BE INSTALLED DOWNSTREAM OF HEATER WHERE
IT CANNOT “SEE” ANY HEATING ELEMENTS AND WHERE SUFFICIENT
MIX ING OF D IS CH ARGE AIR OCCU RS. USE 18 A WG SHIE LDED WI RE. DO
NOT RUN SENSOR WIR ING IN THE SAME CO NDUIT AS LINE V OL TAGE
WIRING O R WITH WIRING THAT SWITCHES HIGHL Y INDUCTI VE LO ADS
SUCH AS CO NTACTOR AN D RELAY CO ILS.
1
W
4
R
BK
4
4
4
BU ILDIN G STATIC
St a c P re ssure Sens or
Field install and wire
Stac P re ssure Sensor
Field install and wire
0-10vdc out
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-DPTSF-DPT
DXLAT1DXLAT1
DXLAT2DXLAT2
temp
sen sor
V
ou t
co m
V in
pwr
OA-T/RH
temp
sen sor
V
ou t
co m
V in
pwr
OA-T/RH
temp
sen sor
V
ou t
co m
V in
pwr
SA-T/RH
temp
sen sor
V
ou t
co m
V in
pwr
SA-T/RH
0-10vdc o ut
COM
EXC
ZN-DPT
0-10vdc o ut
COM
EXC
ZN-DPT