Hussmann IMPACT LWU - Electric Defrost Wiring Diagram; 208 V Defrost Heater Circuit; Control Thermostat Connections

5 of 6P/N 0395741_J
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
BROWN BAND
Fan
BROWN BAND
1
8
Nosing (anti-sweat) Heater
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heaters
120V POWER
BROWN BAND
Fans
BROWN BAND
120V NEUTRAL
1
8
1
8
Nosing (anti-sweat) Heaters
208 V Power From Defrost Contactors
L1
L2
Modular Electric Defrost Heaters
Drip Pan Heater
Modular Electric Defrost Heaters
Drip Pan Heater
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 138 inch models only.
Drip Pan Heater
Modular Electric Defrost Heater
6
5
6
5
6
5
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue
To
Condensing Unit
}
Light Blue
3
2
(Field Installed)
Red Red
Red Red
Red Red
Electric Defrost – Standard