Operation
Liebert
®
SRC
™
User Manual 92
8.2 Automatic Unit Restart
When the unit is turned-on after a power failure, this function restores the previous settings.
Disabling Auto Restart
1. Open the front cover of the indoor unit.
2. Press and hold the ON/OFF button for 6 seconds.
The unit beeps twice and the lamp blinks 4 times.
• To re-enable Auto Restart, press and hold the ON/OFF button for 6 seconds.
The unit beeps twice and the lamp blinks 4 times.
8.3 Enabling Cooling-only Mode
Cooling-only mode is used when performing the Pump Down procedure. Cooling-only mode is set in
“Installer” mode.
1. Completely shut-down system power.
2. At the thermostat, access Installer mode by pressing for at least 3 seconds.
The function code displays.
3. Press repeatedly to select the function code 45, then power-on the unit.
The unit beeps to acknowledge that the code is received.
4. Turn-off power for at least 30 seconds.
5. Turn-on power to the system.
Cooling-only mode is enabled.
NOTE
Auto-restart may be changed depending on the type of model.
NOTE
Pressing and holding the ON/OFF button 3 to 5 seconds, instead of 6
seconds, initiates test operation. In test operation, the unit blows strong, cool
air fro 18 minutes then returns to factory-default settings.
NOTE
• Automatic operation is suspended when cooling-only mode is initiated in
Installer mode.
• When cooling-only mode is disabled, the unit returns to normal operation.
• Installer mode cannot be initiated if the unit is running. The system must be
powered-off completely.
• All Installer-mode function codes must be entered while the system is
powered-off (complete system shutdown).
• WLAN module’s communication time will lag by about 1 minute after the
unit is powered back on and normal operation resumes.
• Entire lock or Mode lock cannot be set if you set heating or automatic
operation through the central controller.
NOTE
A press less than 3 seconds enters “user” settings mode.
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