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INSTALLATION
16
ADJUSTING CASE CONTROL TEMPERATURE
Always refer to case model data sheets for recommended settings.
TXVs are pre-set from the factory but can be adjusted if necessary.
1. Push and hold the SET key for more than 2 seconds to change the
setpoint value.
2. The value of the setpoint will be displayed and the °C or °F LED starts
blinking.
3. To change the setpoint value push the
seconds.
4. To memorize the new setpoint value, push the SET key again or wait 10
seconds.
•
Medium Temp cases should be changed to the setpoint required by
the application 32°F to 34°F.
•
Ice cream cases should be changed from -5°F to -10°F.
•
Frozen food cases will stay at the factory setpoint of -5 degrees.
ADJUSTING SUCTION CUT OUT PRESSURES
low temperature condensing units (if needed)
These are pre-programmed settings from the factory but can be adjusted if
necessary.
1. Hold set +
keys for 3 seconds, or until the "PSI" LED starts blinking,
to enter Programming Menu.
2. Press
or
button to select the required parameter. Press SET
button to display parameter value. (CoU) currently set at 15 to 20 psi.
3. Press
or
button to change parameter value. (Change to 5 psi.)
The suction pressure cutout of 5 psi is required for ice cream operation.
4. Press SET button to store the new parameter value.
TEST AND ADJUST DOORS FOR PROPER OPENING AND CLOSING SPEED
After leveling and joining the merchandisers, adjust and level doors according to manufacturer's instructions
shipped with each product. Factory settings may be lost due to vibration during shipment.
P/N 3124450_A
or
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U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • WWW.HUSSMANN.COM
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