Emerson Copeland Scroll User Manual page 7

Power isolation switch
Contactor
EV:
EXV connection
port
H-K:
Hot-key
connection
port
Current
transformer holes
R-S-T:
Voltage
measurement
connector
TO1:
Triac output 1
(Fan motor
connecter)
Figure 4. Control box layout
VNR:
485:
Remote display
RS485 connection
port
connection
port
TO2:
Triac output
2 (Digital valve
Neutral:
connecter)
Common terminal
connector (TFD/PFJ/TF7:
neutral;TF5: common
terminal)
Figure 5. CoreSense™ controller
D13: A12-A17:
LP Switch Temp sensor
connection connection
port ports
D03:
Driver power supply contactor output
connector
C2:
D04:
HP Switch
Crankcase input
Dl1:
heater connection
Unit on/off
connector
control
CoreSense
™
Customer connection
terminal block
Transformer
Al1:
Pressure
transducer
connection
ports
Supply:
Power supply connection
port (24VAC from
transformer)
User interface
D01/D02/C1:
Reserved connector
D05:
Alarm dry contact
output connector
7