Hussmann IMPACT LWU - Gas Defrost Wiring Diagram; 120 V Fan and Anti-Sweat Heater Circuit; 120 V Drip Pan Heater and Switch Circuit; Refrigeration Thermostat Connection

Gas Defrost – Optional
LWU Technical Data Sheet6 of 6
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Refrigeration
Thermostat
To
Condensing Unit
}
Light Blue
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
(Field Installed)
2
Drip Pan Heater
Ye l l o w
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Yellow
7
4
Drip Pan Heater
Yellow
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Ye l l o w
7
4
Drip Pan Heater
Yellow
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Yellow
7
4
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