Service manual

vi
T-340
TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
6.24 TEMPERATURE SENSOR SERVICE 6−19...................................................
6.24.1 Sensor Checkout Procedure 6−19........................................................
6.24.2 Sensor Replacement 6−22..............................................................
6.24.3 Sensor Re-Installation 6−22.............................................................
6.25 VENT POSITION SENSOR (VPS) 6−24......................................................
6.26 eAutoFresh SERVICE 6−25.................................................................
6.26.1 Servicing the eAutoFresh Air Filter 6−25...................................................
6.26.2 Checking eAutoFresh Drive System 6−25.................................................
6.26.3 Checking the Controller 6−26............................................................
6.26.4 Servicing the eAutoFresh Drive System 6−26..............................................
6.27 ELECTRONIC PARTLOW TEMPERATURE RECORDER 6−28..................................
6.28 MAINTENANCE OF PAINTED SURFACES 6−29..............................................
6.29 COMMUNICATIONS INTERFACE MODULE INSTALLATION 6−29..............................
ELECTRICAL WIRING SCHEMATICS 7−1...........................................................
7.1 INTRODUCTION 7−1.....................................................................
LIST OF ILLUSTRATIONS
FIGURE NUMBER Page
Figure 2−1 Refrigeration Unit − Front Section 2−1....................................................
Figure 2−2 Evaporator Section 2−2.................................................................
Figure 2−3 Compressor Section 2−3................................................................
Figure 2−4 Air−Cooled Condenser Section 2−4.......................................................
Figure 2−5 Water−Cooled Condenser Section 2−5....................................................
Figure 2−6 Control Box Section 2−6................................................................
Figure 2−7 Refrigeration Circuit Schematic − Standard Operation 2−11...................................
Figure 2−8 Refrigeration Circuit Schematic − Economized Operation 2−12................................
Figure 3−1 Temperature Control System 3−1.........................................................
Figure 3−2 Keypad 3−2...........................................................................
Figure 3−3 Display Module 3−3....................................................................
Figure 3−4 Control Module 3−3.....................................................................
Figure 3−5 Controller Operation - Perishable Mode 3−5...............................................
Figure 3−6 Perishable Mode Cooling 3−6............................................................
Figure 3−7 Perishable Mode Heating 3−7............................................................
Figure 3−8 Controller Operation - Frozen Mode 3−8...................................................
Figure 3−9 Frozen Mode 3−9......................................................................
Figure 3−10 Defrost 3−10..........................................................................
Figure 3−11 Standard Configuration Download Report 3−15.............................................
Figure 3−12 DataReader 3−17......................................................................
Figure 3−13 Alarm Troubleshooting Sequence 3−28....................................................
Figure 4−1 Autotransformer 4−1....................................................................
Figure 4−2 Upper Fresh Air Make Up Flow Chart 4−2.................................................