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Figure 5
Use with:
UB-502D-T &
UB-752D-T
480V, 1Ø or 3Ø
Figure 6
Use with:
UB-502D-R &
UB-752D-R
480V, 1Ø or 3Ø
Figure 7
Use with:
UB-502D-TR &
UB-752D-TR
480V, 1Ø or 3Ø
Figure 8
Use with:
UB-502D-R
208V, 1Ø or 3Ø
240V, 1Ø or 3Ø
UB-752D-R
208V, 3Ø
240V, 3Ø
WIRING DIAGRAMS
}
1 or 3 Phase 60 Hz
Power Supply 480 Volts
Fused
Switch
Contactor
Control
Switch Optional
This Wiring
Thermostat
by Customer
When Used
}
1 or 3 Phase 60 Hz Power
Supply 208, 240 or 480 Volts
Control
Fused
Source 120 or
Switch
240 Volts, 60 Cycle
Fused
Control Switch
This Wiring
Thermostat
by Customer
When Used
}
1 or 3 Phase 60 Hz Power
Supply 480 Volts
Fused
Switch
Control
Switch Optional
Thermostat
This Wiring
When Used
by Customer
}
1 or 3 Phase 60 Hz
Power Supply 208 or 240 Volts
Fused
Switch
Thermostat
This Wiring
When Used
by Customer
Alternate 240V Wiring
X1
X3
Integral 480V/240V
120V Wiring
or 120V Transformer
X1
X3
Thermal
Cutout
H1
Ground
C1
T1
T2
F1
F2
L1
L2
L3
1Ø Motor
Ground
C1
C2
L1
L2
L3
Alternate 240V Wiring
X1
X3
Cutout
Integral 480V/240V
120V Wiring
or 120V Transformer
X1
X3
X2
H1
Ground
T1
T2
C1
C2
L1
L2
L3
Heater
Ground
T1
T2
L1
L2
L3
X4
X2
Heater Bank
1Ø Motor
X2
X4
H2
Wiring Comp't
For 3 Phase Only
Heater Bank
Cutout
Wiring Comp't
Baffle
For 3 Phase Only
Heater Bank
1Ø Motor
X2
X4
X4
H2
Wiring Comp't
Baffle
For 3 Phase Only
Heater Bank
1Ø Motor
Cutout
Wiring Comp't
Baffle
For 3 Phase Only
Heater
Baffle
Heater
Integral
Contactor
Heater
Integral
Contactor
Integral
Contactor
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