REPLACING ELECTRIC DEFROST
HEATERS (RLT Only)
RLT electric defrost heaters are located under
the coil as shown in the photo below. Mounting
brackets and supports are attached to plenum
brackets.
1. Disconnect Power.
2. Remove lower back panels to access the
heater.
3. Lift fan plenum up and back to access the
heater.
4. Remove heater from bracket.
5. Position new heater in bracket.
6. Close the bracket with the element support
7. Turn on power.
8. Verify that heater is working correctly.
6-4 SERVICE
P/N 0387183_D WWW.HUSSMANN.COM
Defros t Heater
Heating Element Support
LH Plenum Mounting Bracket
RH Plenum Mounting Bracket
Heating Element Support
This view shows one bracket assembly, typical on 2-door case;
two assemblies are used on 3-door case,
three on 4-door, four on 5-door case.
RLT Defrost Heater
RLT Defrost Heater Location