Service manual

ii
T -318
TABLE OF CONTENTS -- Continued
PARAGRAPH NUMBER Page
DESCRIPTION 2--1...............................................................................
2.1 GENERAL DESCRIPTION 2-- 1.............................................................
2.1.1 Refrigeration Unit -- Front Section 2--1...................................................
2.1.2 Fresh Air Makeup Vent 2-- 1.............................................................
2.1.3 Evaporator Section 2-- 2................................................................
2.1.4 Compressor Section 2-- 3...............................................................
2.1.5 Air-cooled Condenser Section 2--4.......................................................
2.1.6 W ater-Cooled Condenser Section 2--5...................................................
2.1.7 Control Box Section 2-- 6...............................................................
2.1.8 Communications Interface Module 2--6...................................................
2.2 REF RI GERATION SYSTEM DATA 2--7......................................................
2.3 ELECTRICAL DATA 2-- 8...................................................................
2.4 SAFETY AND PROTECTIVE DEVICES 2--9.................................................
2.5 REFRIGERATION CIRCUIT 2--10...........................................................
MICROPROCESSOR 3--1..........................................................................
3.1 TEMPERATURE CONTROL MICROPROCESSOR SYSTEM 3--1..............................
3.1.1 Keypad 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--3..............................................
3.3 MODES OF OPERATION 3-- 4.............................................................
3.3.1 Temperature Control -- Perishable Mode 3--4..............................................
3.3.2 Evaporator Fan Operation 3--4..........................................................
3.3.3 Defrost Interval 3--4...................................................................
3.3.4 Failure Action 3-- 4.....................................................................
3.3.5 Generator Protection 3-- 4..............................................................
3.3.6 Condenser Pressure Control 3--4........................................................
3.3.7 Arctic Mode 3-- 4......................................................................
3.3.8 Perishable Mode -- Conventional 3--5....................................................
3.3.9 Perishable Mode -- Economy 3--5.......................................................
3.3.10 Perishable Mode -- Dehumidification 3--5.................................................
3.3.11 Perishable, Dehumidification -- Bulb Mode 3--5............................................
3.3.12 Temperature Control -- Frozen Mode 3--6.................................................
3.3.13 Frozen Mode -- Conventional 3--6.......................................................
3.3.14 Frozen Mode -- Economy 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--9...........................................................