Wiring diagrams, Figure 4, Figure 5 – Chromalox UB-1502E User Manual
Page 3: Figure 6
WIRING DIAGRAMS
}
C1
T1
T2
F1
F2
L1
L2
L3
Alternate 240V Wiring
Integral 480V/240V
or 120V Transformer
Thermal
Cutout
Transformer
Fusing
Ground
Heater Bank
1Ø Motor
Heater
Wiring Comp't
Baffle
For 3 Phase Only
120V Wiring
X1
X3
X2
X4
X1
X3
X2
X4
H1
H2
This Wiring
by Customer
Control
Switch Optional
Thermostat
When Used
Contactor
Fused
Switch
1 or 3 Phase, 60 Cycle
Power Supply 480 Volts
Integral
Cutout
Ground
Heater Bank
1Ø Motor
Heater
Wiring Comp't
Baffle
For 3 Phase Only
}
This Wiring
by Customer
Thermostat
When Used
Control
Source 120 or
240 Volts, 60 Cycle
1 or 3 Phase, 60 Cycle Power
Supply 208, 240 or 480 Volts
Fused
Switch
Cutout
Fused
Control Switch
C1
C2
L1
L2
L3
Alternate 240V Wiring
Integral 480V/240V
or 120V Transformer
Integral
Cutout
Ground
Heater Bank
1Ø Motor
Heater
Wiring Comp't
Baffle
For 3 Phase Only
Transformer
Fusing
120V Wiring
X1
X3
X2
X4
X1
X3
X2
X4
H1
H2
}
This Wiring
by Customers
Thermostat
When Used
Control
Switch Optional
1 or 3 Phase, 60 Cycle Power
Supply 480 Volts
Fused
Switch
Cutout
T1
T2
C1
C2
L1
L2
L3
Figure 4
Use with:
UB-1002E-T
480V, 1Ø or 3Ø
UB-1252E-T
480V, 1Ø or 3Ø
UB-1502E-T
480V, 1Ø or 3Ø
UB-2002E-T
480V, 1Ø or 3Ø
Figure 5
Use with:
UB-1002E-R
208V, 1Ø or 3Ø
240V, 1Ø or 3Ø
480V, 1Ø or 3Ø
UB-1252E-R
208V, 3Ø
240V, 3Ø
480V, 1Ø or 3Ø
UB-1502E-R
208V, 3Ø
240V, 3Ø
480V, 1Ø or 3Ø
UB-2002E-R
480V, 1Ø or 3Ø
240V, 3Ø
Figure 6
Use with:
UB-1002E-TR
480V, 1Ø or 3Ø
UB-1252E-TR
480V, 1Ø or 3Ø
UB-1502E-TR
480V, 1Ø or 3Ø
UB-2002E-TR
480V, 1Ø or 3Ш