Operating Instructions
57
NOTE: Detailed PTI test results are stored in the MP-4000 Datalogger for later viewing. Any alarm
codes recorded during the test can be viewed through the controller’s Alarm List menu at the end of the
test.
Viewing Alarms/Warnings
To view the alarms that are present, turn the
U
NIT
O
N
.Allow Unit to start and stabilize.
Complete the following steps:
1.Press the
F1
/A
LARM
K
EY
. The Alarm List appears.
2. Press the
F2/F3
keys to scroll between Alarms that are present.
3. Press the
F4
key to acknowledge the Alarm. Press F1 again to exit.
NOTE: See a full List of Alarm and Warning codes on p. 72 of this manual.
Display Alternate Fahrenheit (F) or Celsius (C)
Temperatures
To view the alarms that are present, turn the
U
NIT
O
N
.Allow Unit to start and stabilize.
Complete the following step:
The controller can display temperatures in Celsius or Fahrenheit. Press the
F2
function
key display will change to C or F
To change the display to C or F permanently,
press and hold the F2 C/F key, then confirm “ARE YOU SURE YES or NO. Some customers do not
allow the display to be change permanently.
Changing Setpoint
To change the controller setpoint, turn the
U
NIT
O
N
.Allow Unit to start and stabilize.
Complete the following steps:
1.Press the
F3
key at the main screen. The Setpoint Change menu appears.
2. Press the
F2/F3
keys to scroll the Setpoint Up or down - depending on your required Temperature.
3. Press and hold the
F4
key until you are returned to the main Screen. The new setpoint is recorded in
the controller and appears in the display.
NOTE: The controller will default (return) to the previous setpoint if the setpoint is not entered
within 30 seconds. Repeat steps 1 through 3 if this occurs.
NOTE: Watercool, Humidity Control, Humidity Setpoint, Defrost Terminate Temp, Defrost Internal,
and USDA Trip can be set from the Setpoint menu. See “Setpoint Menu” under “Menu Operating
Instructions” in this chapter.
Main Menu
To view the main menu, turn the
U
NIT
O
N
.Allow Unit to start and stabilize.
To enter the main menu Press
F4.
See next Section on Navigating the Controller Menu p.
51 for this operation
Summary of Contents for 098203
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Page 193: ...Refrigeration Maintenance 191 Figure 163 Filter Drier...
Page 200: ...Refrigeration Maintenance 198 Figure 169 Receiver Tank Figure 170 Water Cooled Condenser Tank...
Page 257: ...255 Schematic Diagram RELEASED 19 Sep 2013...
Page 258: ...256 Wiring Diagram Page 1 of 2 RELEASED 19 Sep 2013...
Page 259: ...257 Wiring Diagram Page 2 of 2 RELEASED 19 Sep 2013...
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