Temperature Adjustment; Alarms And Codes; Defrost Termination Switch; Manual Defrost - Hussmann HGM-3 BS Installation & Operation Manual

S
3-6
tart up

TEMPERATURE ADJUSTMENT

Rotate the adjustment knob counter clockwise
for a warmer setpoint or clockwise for a colder
setpoint.
• While the temperature is being adjusted,
the optional display shows the setpoint (cut
out value). The display reverts to showing
the sensed temperature in the merchandiser
a few seconds after the temperature is set.

ALARMS AND CODES

F T
lashing emperaTure or
leD, e1 e2
or
If the Temperature or Sensor Alarm LED
(red) on the controller and display is flashing,
a temperature sensor has failed. The display
shows E1 if the case sensor has failed or E2 if
the evaporator sensor has failed.
If the merchandiser sensor fails, refrigeration
will run continuously. Turn off, or repeat a
duty cycle of a few minutes on and a few
minutes off.
P/N 0515297_E
/ O
peratiOn
s a
ensor larm
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com

DEFROST TERMINATION SWITCH

Merchandisers may use a defrost termination
switch, instead of an evaporator sensor to
terminate a defrost cycle. The defrost
termination switch is temperature activated
and senses the completion of defrost.

MANUAL DEFROST

1. Note location of
knob setting
2. Rotate knob fully
counterclockwise
until it stops (full
warm - "OFF" position)
3. After 10 seconds, but
before 20 seconds,
rotate knob fully
clockwise until it
stops (full cold position)
IMPORTANT: Return the control knob to
its original setting (Step 1) once the manual
defrost has been initiated.
Note:
This procedure initiates
a manual or forced
defrost.