Carrier 69NT20-531-300 Refrigerator User Manual


 
ii
T309
TABLE OF CONTENTS (cont)
2.5.1 Standard Operation 2-9..........................................................
2.5.2 Economized Operation 2-9.........................................................
2.5.3 Unloaded Operation 2-9...........................................................
MICROPROCESSOR 3-1..........................................................................
3.1 TEMPERATURE CONTROL MICROPROCESSOR SYSTEM 3-1..........................
3.1.1 Key Pad 3-2...................................................................
3.1.2 Display Module 3-2.............................................................
3.1.3 Controller 3-3..................................................................
3.2 CONTROLLER SOFTWARE 3-3.....................................................
3.2.1 Configuration Software (Configuration Variables) 3-3..................................
3.2.2 Operational Software (Function codes) 3-4...........................................
3.3 MODES OF OPERATION 3-4.......................................................
3.3.1 Temperature Control -- Perishable Mode 3-4..........................................
3.3.2 Defrost Interval 3-4.............................................................
3.3.3 Failure Action 3-4..............................................................
3.3.4 Generator Protection 3-4.........................................................
3.3.5 Compressor High Temperature, Low Pressure Protection. 3-4............................
3.3.6 Perishable Mode -- Conventional 3-4................................................
3.3.7 Perishable Mode -- Economy 3-5...................................................
3.3.8 Perishable Mode -- Dehumidification 3-5............................................
3.3.9 Perishable, Dehumidification -- B ulb Mode 3-5.......................................
3.3.10 Temperature Control -- Frozen Mode 3-6.............................................
3.3.11 Frozen Mode -- Conventional 3-6..................................................
3.4 CONTROLLER ALARMS 3-6.......................................................
3.5. UNIT PRE-TRIP DIAGNOSTICS 3-7.................................................
3.6 DataCORDER 3-7.................................................................
3.6.1 Description 3-7.................................................................
3.6.2 DataCORDER Software 3-7......................................................
3.6.3 Sensor Configuration (dCF02) 3-8.................................................
3.6.4 Logging Interval (dCF03) 3-10.....................................................
3.6.5 Thermistor Format (dCF04) 3-10...................................................
3.6.6 Sampling Type (dCF05 & dCF06) 3-10..............................................
3.6.7 Alarm Configuration (dCF 07 -- dCF10) 3-10..........................................
3.6.8 DataCORDER Power-Up 3-10.....................................................
3.6.9 Pre-Trip Data Recording 3-10......................................................
3.6.10 DataCORDER Communications 3-10................................................
3.6.11 USDA Cold Treatment 3-11.......................................................
3.6.12 USDA Cold Treatment Procedure 3-11...............................................
3.6.13 DataCORDER Alarms 3-12........................................................
3.6.14 ISO Trip Header 3-12............................................................