Operations Manual

10
HOW TO CHANGE THE SETPOINT
1. Push the SET key for more than 2 seconds to change the Set point value;
2. The value of the set point will be displayed and the LED under COMP starts blinking;
3. To change the Set value push the UP ▲ or DOWN▼ arrows within 10s.
To memorize the new set point value push the SET key again or wait 10s.
HOW TO CHANGE a parameter value
1. Enter the Programming mode by pressing the SET and DOWN ▼ keys for 3 seconds
(LEDs under DEF and COMP start blinking).
2. Select the required parameter by pushing
the UP ▲ or DOWN▼ arrows
3. Press the “SET” key to display its value (now only the COMP LED is blinking)
4. Use “UP” or “DOWN” to change its value
5. To exit: Press SET + UP ▲ or wait 15s without pressing a key.
NOTE 1: The set value is stored even when the procedure is exited by waiting the time-out to expire.
NOTE 2: Master-Bilt’s SETPOINT is set at a recommended –10°F at the factory for low temperature(LT) and
+35
o
F for medium temperature(MT) application.
NOTE 3: To scroll down the parameters without changing them, press the DOWN button.
LIST OF PARAMETERS
Here is a list of the parameters the value of which can be changed in the programming mode, as
well as their ranges.
Master-Bilt’s
Setting
Parameter Display
Symbol
Description Range
BLG
Temperature Set
Point
Set
When this temperature is
reached the compressor LED
will be off
-16 to 5°F
-10°F or -15°F
Temperature
Differential
Hy
Cut-out temperature is Set + Hy
1 to 255°F 10
Maximum
Temperature
Alarm
ALU
230°F 15
Minimum
Temperature
Alarm
ALL
-58°F -25
Temperature
Alarm Delay
Ald
0 to 255 min 30
Room Probe
display
dP1
Evaporator
Probe Display
dP2