Thermo King CSR Series User Manual

51
Operating Instructions
Unit Controls
Unit Control Box
UNIT ON/OFF Switch:
1. ON position. Unit will operate on Cool or Heat
depending on the controller setpoint
temperature and the container air temperature.
2. O
FF position. The unit will not operate.
MP-3000 Controller
The MP-3000 microprocessor controls all unit
functions to maintain the cargo at the proper
temperature. The controller also monitors and
records system faults and performs pre-trip.
Keypad: Sixteen general purpose keys are used to
display information, change the setpoint, change
programmable features and initiate control tasks.
1. C/F Key: Press this key to view temperatures
in the LED display in the alternate
temperature value. Alternate value (C or F)
shows while the key is pressed.
2. R
ET/SUP Key: Press this key to view the
alternate sensor temperature in the LED
display. Alternate sensor (return or supply)
shows while the key is pressed.
3. D
EFROST Key: Press this key to initiate a
manual defrost cycle. If the evaporator coil
temperature is below 18 C (65 F), the unit will
defrost. Otherwise the controller will display
“DEFROST NOT ACTIVATED” in the LCD
display and the unit will continue normal
operation.
4. S
ETPOINT Key: Press this key to change the
setpoint. Cursor in the LCD display
automatically appears in the “TEMP SETP”
line of the Data menu. See “Changing the
Setpoint” in the “MP-3000 Controller”
chapter for complete instructions.
5. Status Indicator LEDs located in the large
LED display signal:
• S
UPPLY (Air Temperature)
• RETURN (Air Temperature)
• HUMIDITY MODE (Humidification Option
set to On
• S
ETPOINT MENU)
• COMPRESSOR (Cooling On)
• H
EAT (On)
• DEFROST
• IN-RANGE (Temperature)
• A
LARM
The In-range LED illuminates when the
controlling air sensor temperature is less than
1.5 C (2.7 F) above set-point (standard). The
controller maintains the in-range signal during
defrost and after defrost for 60 minutes. If the
controlling air sensor temperature goes
out-of-range, the controller maintains the
in-range signal for 5 more minutes.
6. LED Display: Large red LED display shows
current control temperature during normal
operation. LED display also shows current test
state during a pre-trip (PTI) or function test.
7. LCD Display: A 4-line LCD message display
shows setpoint during normal operation. LCD
display also shows controller menu and unit
operation information when special keys are
pressed.

Thermo King CSR Series Specifications

General

Brand	Thermo King
Model	CSR Series
Category	Refrigerator
Language	English