HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
REPLACING MODULAR ELECTRIC
DEFROST HEATER
These heaters are in front of the modular coils.
They may be accessed by lifting the fan plenums.
To replace:
1. Turn off power.
2. Remove shelves, wire racks and display pans
from the section of the compartment being
serviced.
3.
Disconnect heater from wiring harness.
4. Lift the modular fan plenum.
5. Remove screws and clips holding heater in
position. Be sure to save the attachment clips
for the new heater.
6. Remove screws holding bushing box. Slide old
heater out and remove wire from bushing.
7. Feed wire of new heater through bushing and
slide heater into place.
8. Replace clips and screws. Replace bushing
box.
9. Reconnect heater to wiring harness.
10. Lower plenum. Verify plenum rests flat against
liner. Seal gaps. Turn power on.
11. Verify that new heater is working properly.
12. Replace back panel, display pans, wire racks
and shelves.
Always disconnect the electrical power at the
main disconnect when servicing or replacing
any electrical component. This includes, but
is not limited to, such items as fans, heaters,
thermostats and lights.
WARNING
!
Modular Defrost Heater
Harness Connection
Screws hold bushing mount
