Replacing Return Air Heater - Hussmann FG Installation And Service Manual

S
6-4
ERVICE

REPLACING RETURN AIR HEATER

To replace the heater:
1. Turn OFF the power to the merchandiser.
2. Remove wire racks, display pans, return
grilles, package guard and interior panel
from the compartment being serviced.
3. Remove screw and wireway cover.
4. Unplug existing return air heater. The
return air heater plug is routed on RH side
from front of case (end opposite the main
serial plate).
5. Remove screws and retainer.
6. Remove the foil tape and heater from the
retainer.
7. Clean thoroughly. Remove all adhesive and
residue. Wipe surface with alcohol to
ensure new heater tape will adhere proper-
ly.
8. Install new heater and tape in retainer as
shown
9. Reinstall retainer, routing plug to jumper
harness; plug in.
10. Reinstall wireway cover, interior panel,
package guard, return air grilles, display
pans and wire racks.
11. Turn on power to merchandiser and check
for proper operation.
WARNING
!
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.
P/N 0467434_D
Glass
Return Heat
Retainer
Install Retainer
Flush on Top of
Support
Bushing to Route
Wires / Plug
Heater
Screw
Foil
Tape
Heater
(4 ft, 6 ft, 8 ft or 12 ft)
DETAIL
Wireway Support Cover
Remove Screws
. .
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