Chromalox PF490-5 - Manual (Page 6)

6
WIRING DIAGRAMS
DIAGRAM I
DIAGRAM II
Refer to Name Plate for Input Voltage
Optional
Disconnect
Switch
1PH
L1 L2
GND
C1 Elements
H1 H2
X1 X2
Refer to Nameplate
for Transformer
Voltage
Motor
T3 T2
Built in or
External
Thermostat
Remove this wire
when using a
thermostat
M
1 PH
Auxiliary
Contactor
Alarm
R
C1
C1
Manual Reset
High Limit
Contactor Coil
Optional
Factory Wiring
Optional or Customer Wiring
Refer to Name Plate for Input Voltage
Optional
Disconnect
Switch
3PH
L1 L2 L3
GND
C1 Elements
H1 H2
X1 X2
Refer to Nameplate
for Transformer
Voltage
Motor
T3 T2
Built in or
External
Thermostat
Remove this wire
when using a
thermostat
M
3 PH
Auxiliary
Contactor
Alarm
R
C1
C1
Manual Reset
High Limit Control
Contactor Coil
Optional
Factory Wiring
Optional or Customer Wirin
PRI PRI. XFMR 120V SEC 24V SEC
VOLT. LEAD CLRS. LEAD CLRS. LEAD CLRS.
H1 H2 X1 X2 X1 X2
208 BLK RED BLK WHT YEL BLU
240 BLK ORG BLK WHT YEL BLU
380 BLK VIO BLK WHT YEL BLU
415 BLK YEL BLK WHT - -
415 BLK BRN - - YEL BLU
480 BLK BLK/RED BLK WHT YEL BLU
575/600 BLK GRY BLK WHT YEL BLU
Transformer Color Code Tabulation
PRI PRI. XFMR 120V SEC 24V SEC
VOLT. LEAD CLRS. LEAD CLRS. LEAD CLRS.
H1 H2 X1 X2 X1 X2
208 BLK RED BLK WHT YEL BLU
240 BLK ORG BLK WHT YEL BLU
380 BLK VIO BLK WHT YEL BLU
415 BLK YEL BLK WHT - -
415 BLK BRN - - YEL BLU
480 BLK BLK/RED BLK WHT YEL BLU
575/600 BLK GRY BLK WHT YEL BLU
Transformer Color Code Tabulation