Emerson Comfort Alert 543-0038-01 - Thermostat Contactor Control Diagram; Comfort Alert Contactor Control Diagram

5
Figure 4 Thermostat Contactor Control
Y2
Y
L
R
C
PROT
DC SOL
CC
Y2
C
R
L
Y1
COMFORT ALERT
DIAGNOSTICS
MODULE
543-0038-00
INDOOR THERMOSTAT
Two-Stage Only
L1
L2
L3
3 Phase
208-575VAC
50/60Hz
HPCO
LPCO
Optional
T1
T2
T3
Two-Stage
Solenoid
Three Phase
Copeland Scroll
™
Compressor
Two-Stage Only
Y2
Y
L
R
C
PROT
DC SOL
CC
Y2
C
R
L
Y1
COMFORT ALERT
DIAGNOSTICS
MODULE
543-0038-00
INDOOR THERMOSTAT
Two-Stage Only
L1
L2
L3
3 Phase
208-575VAC
50/60Hz
HPCO
LPCO
Optional
T1
T2
T3
Two-Stage
Solenoid
Three Phase
Copeland Scroll
™
Compressor
Two-Stage Only
R
Schematic Abbrevation Descriptions
CC Compressor Contactor
HPCO High Pressure Cut Out Switch
LPCO Low Pressure Cut Out Switch
Note: Y2 and DC SOL are not applicable for models
543-0038-02 and 943-0038-02.
Schematic Abbrevation Descriptions
CC Compressor Contactor
HPCO High Pressure Cut Out Switch
LPCO Low Pressure Cut Out Switch
Note: Y2 and DC SOL are not applicable for models
543-0038-02 and 943-0038-02.
Figure 5 Comfort Alert Contactor Control