Connect single pole thermostat blue lead
(BL) to heater lead C1 and black lead
(BLK) to C2 using wire nut provided.
Connect single pole thermostat blue lead
(BL) to heater lead C1 and black lead
(BLK) to C2 using wire nuts provided.
Connect single pole thermostat blue lead
(BL) to heater lead C1 and black lead
(BLK) to C2 using wire nuts provided.
Connect single pole thermostat blue lead
(BL) to heater lead C1 and black lead
(BLK) to C2 using wire nuts provided.
NOTE: One element is omitted on LUH-D-02
Connect single pole thermostat blue lead
(BL) to heater lead C1 using the wire nut
provided. Remove the C1 wire marker
from the heater lead and attach to thermo-
stat black lead (BLK).
Connect single pole thermostat blue lead
(BL) to heater lead C1 using the wire nut
provided. Remove the C1 wire marker
from the heater lead and attach to thermo-
stat black lead (BLK).
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
C2
BL
BLK
L1 L2 L3
LUH-TK-1
Single Pole
Thermostat
Ground
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
C2
BL
BLK
L1 L2
LUH-TK-1
Single Pole
Themostat
Ground
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
C2
BL
BLK
L1 L2 L3
LUH-TK-1
Single Pole
Thermostat
Transformer
Fuses
Ground
Figure 4
208, 240V — 3ø — 4, 5, 7.5, 10, 12.5 & 15 kW
240V — 3ø — 20 kW
Figure 5
208, 240, 277V — 1ø — 2.6, 4, 5, 7.5 & 10 kW
Figure 6
480V — 3ø — 4, 5, 7.5, 10, 12.5, 15,
20, 25, 30, 35, 40 & 45 kW
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
C2
BL
BLK
L1 L2
LUH-TK-1
Single Pole
Thermostat
Transformer
Fuses
Ground
Figure 7
1ø Heaters with Optional Control Transformer
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
BL
BLK
C2 L1 L2
LUH-TK-1
Single Pole
Thermostat
Remove C1
Tag from
Existing
Lead
Tag Lead
as C1
Ground
C1
Figure 8
1ø Heaters with Optional External 120 Volt Control
Motor
Heating
Elements
Overheat
Cutout
Contactor
C1
BL
BLK
C2 L1 L2 L3
LUH-TK-1
Single Pole
Thermostat
Remove C1
Tag from
Existing
Lead
Tag Lead
as C1
Ground
C1
Figure 9
3ø Heaters with Optional External 120 Volt Control
WIRING DIAGRAMS
