Maintenance; Electrical Precautions; Replacing Fluorescent Lamps; Tips & Troubleshooting - Hussmann RGD Installation And Operation Manual

Rev.0106

ELECTRICAL PRECAUTIONS

BEFORE SERVICING – Always disconnect
electrical power at the main disconnect when
servicing or replacing any electrical component
This includes (but not limited to) Fans, Heaters,
Thermostats, and Lights.

REPLACING FLUORESCENT LAMPS

Fluorescent lamps are furnished with moisture resistant
lamp holders, shields and end caps. Whenever a florescent
lamp is replaced, be certain to reinstall the lamp shield
and end caps over the lamp. The lamps supplied are single
slim-line or bi-pin type with or without starters.
EVAPORATOR FANS
The evaporator fans are located at the center front of
these merchandisers directly beneath the display pans.
Should fans or blades need servicing, always replace fan blades
with the raised embossed side of the blade TOWARD THE
MOTOR.
COPPER COILS
The copper coils used in Hussmann merchandisers may
be repaired in the field. Materials are available from local

Maintenance

refrigeration wholesalers.
Hussmann recommends using #15 Sil-Fos for repairs.
TIPS & TROUBLESHOOTING
Before calling for service, check the following:
1. Check electrical power supply to the equipment for
connection.
2. Check fixture loading. Overstocking case will affect
its proper operation.
3. If frost is collecting on fixture and/or product, check
that Humidity Control is working properly, and that
no outside doors or windows are open—allowing
moisture to enter store.
When contacting the factory,
be sure to have the Case Model and Serial
Number handy. This information is on a plate
33
FOR PROMPT SERVICE
located on the case itself.