3 6/23, 171606 ©2023 Norlake, Inc. All rights reserved.
Contents
INTRODUCTION ....................................................................................................................................................................... 4
WARNING LABELS AND SAFETY INSTRUCTIONS ...................................................................................................................... 5
APPLICATIONS.......................................................................................................................................................................... 6
LOGITEMP® PLUS DESCRIPTION .............................................................................................................................................. 7
FACTORY-MOUNTED PARTS .................................................................................................................................................... 8
LOGITEMP PLUS FEATURES...................................................................................................................................................... 9
SEQUENCES OF OPERATION .................................................................................................................................................... 9
Start-Up ............................................................................................................................................................................ 9
Off Mode .......................................................................................................................................................................... 9
Cool Mode ........................................................................................................................................................................ 9
Defrost Mode ................................................................................................................................................................. 11
Scheduled Defrost ............................................................................................................................................ 11
Demand Defrost ............................................................................................................................................... 11
Manual Defrost ................................................................................................................................................ 12
Coil Drain Mode .............................................................................................................................................................. 12
Fan Delay Mode .............................................................................................................................................................. 12
Safety Mode ................................................................................................................................................................... 12
DEFINITION OF ONBOARD SYMBOLS ..................................................................................................................................... 13
Status, Default And Reading Display .............................................................................................................................. 13
Alarm Display .................................................................................................................................................................. 15
SETTING PARAMETERS BY ONBOARD PUSHBUTTONS .......................................................................................................... 16
Users Level ...................................................................................................................................................................... 16
Technicians Level ............................................................................................................................................................ 16
Manual Valve .................................................................................................................................................................. 17
Clear Alarm ..................................................................................................................................................................... 17
Temperature Sensors ..................................................................................................................................................... 17
SENSOR SERVICE INSTRUCTIONS ........................................................................................................................................... 18
PRESSURE TRANSDUCER ........................................................................................................................................................ 19
REVERSE CYCLE DEFROST....................................................................................................................................................... 21
G
eneral Information ....................................................................................................................................................... 21
Advantages ..................................................................................................................................................................... 21
Factory-Installed Parts .................................................................................................................................................... 22
Eliminated Parts.............................................................................................................................................................. 22
Defrost Time ................................................................................................................................................................... 22
ELECTRICAL AND WIRING ...................................................................................................................................................... 22
Typical Wiring Diagrams ................................................................................................................................................. 23
TYPICAL SET POINTS FOR CONTROLLER ................................................................................................................................. 26
TROUBLESHOOTING GUIDE ................................................................................................................................................... 27