ENABLING AND
DISABLING
PASSCODE
PROTECTION
7
Press the RUN button to save the passcode.
◆The control will display “Pr OFF” to prompt you to remove power to the unit.
IMPORTANT: If RUN is not pressed, the new passcode will not be saved.
8
9
10
11
Turn off power to the unit. Disconnect and lock out the main power supply.
Open the electrical | 8 7 6 5 4 3 2 1 | ||||||||||||||
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Set dip switch 3 to OFF.
Close the electrical enclosure and restore power to the unit.
A passcode now is required to change system parameters.
Disabling Passcode Protection
To disable passcode protection and allow universal access to system parameters:
1
Follow Steps 1 through 5 in the
previous section on enabling pass- code protection.
2
3
Hold down the ▼ setpoint adjustment button to select “OFF” as the new passcode.
Follow steps 7 through 11 in the previous section.
UGH004/0999 | microKool Portable Chillers | INSTALLATION |
