Conair MPW Refrigerator User Manual


 
UGH004/0999 microKool Portable Chillers
INSTALLATION 3-7
You can establish a normal operating range around the process
temperature setpoint using the high and low deviation parame-
ters. If the process temperature exceeds the high deviation
limit, or falls below the low deviation limit for longer than 15
minutes, the chiller will alert you to the unacceptable tempera-
ture variation with an alarm light.
These temperature deviation limits will adjust automatically
relative to the process temperature setpoint.
The factory default setting is the process temperature setpoint
± 10° F (6° C). This parameter is adjustable to establish a nar-
rower or wider acceptable temperature range for normal oper-
ation. You cannot set the Low Deviation below the factory-set
Low Safety temperature. The High Deviation cannot be set to
exceed the factory-set High Safety temperature.
To change the temperature deviation settings:
Press the Setpoint Select
button to select the deviation
parameter you want to
change.
Use the and setpoint
buttons to enter the deviation
temperature.
The setting is
stored in memory even when the
power is turned off. The recom-
mended setting is ± 2-10° F.
ENTERING
SETPOINT
DEVIATION
PARAMETERS
1
FACTORY DEFAULT SETTINGS
Model MPW MPA
Process Setpoint 50° F (10° C) 50° F (10° C)
High Safety 75° F (24° C) 75° F (24° C)
Low Safety 10° F (-12° C) 10° F (-12° C)
2
NOTE:
If you enabled passcode protection, you must enter
the passcode to change this parameter. See E
NABLING AND
D
ISABLING
P
ASSCODE
P
ROTECTION
.
Too enter the passcode:
Hold down the Setpoint Select button for 5 seconds. When the
control displays “ 1 PaS”, use the setpoint adjustment buttons
to enter the passcode. Press the Setpoint Select button again.
If the correct passcode was entered the controller will display
ACC PAS for 3 seconds. If the passcode was incorrect, the
controller will display rEJ PAS (rejected passcode).
Access to system parameters remain until power is cycled or
the RUN or STOP button is pressed.