ii Table of Contents
CSR-20 & CSR-40, September 1999
Operating Instructions 3-1
Unit Controls 3-1
Unit Instruments 3-2
Unit Protection Devices 3-2
Pretrip Inspection 3-3
Starting the Unit and Adjusting the Setpoint 3-5
Loading Procedure 3-6
Post Load Procedure 3-6
Post Trip Procedure 3-6
µµ
P-D Controller 4-1
General Description 4-1
Controller Display Menus 4-3
Software Version Display 4-3
Active Option Displays 4-3
Pause Mode Displays 4-4
View Menu 4-4
Pretrip Menu 4-4
Test Menu 4-4
Guarded Access Menu 4-4
Program Menu 4-4
Menu Display Definitions 4-4
Status Indicator LEDs and Alarm Codes 4-6
Pause Alarms 4-7
Data Logging and Downloading Data 4-8
General Theory of Operation 4-8
Chill Loads 4-8
Frozen Loads 4-9
Automatic Phase Selection 4-9
Compressor Liquid Injection 4-9
Modulation Valve Setting (PCVAL) 4-9
Evaporator Fan Control 4-9
Condenser Fan Control 4-9
Sensor Check 4-10
Power Limit 4-10
Economy Mode Operation 4-11
Sequence of Operation 4-11
Unit Start-up 4-11
Operating Mode Function Chart — Standard
Operation 4-12
Operating Mode Function Chart — Optional
Feature Operation 4-13
Continuous Temperature Control Operation 4-13
Defrost 4-16
Reviewing Software Version and Configuration 4-17
Displaying Alternate Fahrenheit (F) or
Celsius (C) Temperatures 4-17
Displaying Alternate Controlling (Supply or
Return) Air Sensor Temperatures 4-18
Changing the Setpoint 4-18
Initiating a Manual Defrost 4-19
Initiating a Full Pretrip 4-19
Entering a Start of Trip Marker 4-20
Displaying and Clearing Alarm Codes 4-20
Controller Menu Operating Instructions 4-21
Menu View Functions 4-21
Navigating the Menu View Screens 4-21
GRADE Submenu 4-22
LOG Submenu 4-22
Menu Pretrip Functions 4-25
Performing an Extended, Full or Single
Pretrip Test from the Pretrip Menu 4-26
Menu Test Functions 4-27
Menu Guard Functions 4-29
Navigating Menu Guard Screens 4-29
Setting the Unit Configuration and
Customer Configuration Numbers 4-30
Setting the Container Identification Number 4-30
Setting the Unit Serial Number 4-31
Setting the Time and Date 4-31
Setting the Compressor and On Time
Hourmeters 4-32
Setting the User Hourmeter Types, User
Hourmeter Thresholds and User
Hourmeters 4-32
Setting the Sensor Grades 4-33
Changing the Display Units (C/F) 4-35
Menu Program Functions 4-36
USDA Sensors 4-36
PULP Sensor (Option) 4-37
Economy Mode 4-38
Dehumidify Mode (Option) 4-39
Humidify Mode (Option) 4-39
Bulb Mode (Option) 4-40
Power Reduction Mode 4-41
Controller Emergency Bypass Procedure 4-42
Output Module 4-43
Thermo Bus Tap 4-43
Power Module 4-43
Replacing the µP-D Controller 4-44
Temperature Sensors 4-44
Diagnosis and Repair 4-45
Alarm Codes, Descriptions and
Corrective Actions 4-46 to 4-66
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