Danfoss AK2-SC 255 System Reference Manual

RS.8D.M2.22 AK2-SC 255 Reference Manual 4
Table of Contents
PART ONE Configuration
1.1 Initial Configuration ........................................................................................................11 - 12
Introduction ..................................................................................................................................... 11
Battery ..................................................................................................................................... 11
Authorization codes .............................................................................................................................. 11 - 12
Using Menus ..................................................................................................................................... 12
Selection of units and languages ................................................................................................................. 12
1.2 Configuring Refrigeration............................................................................................. 13 - 63
Starting with a partially configured AK2-SC 255 ........................................................................................ 13
Starting with a completely un-configured AK2-SC 255 .............................................................................. 14
Navigation and making changes.................................................................................................................. 14
Entering numerals ..................................................................................................................................... 14
Entering labels ..................................................................................................................................... 14
Constrained fields ..............................................................................................................................14 - 15
Configuring Rack Info..........................................................................................................................15 - 16
Adding a rack ..................................................................................................................................... 16
Configuring Suction Info ......................................................................................................................16 - 19
Configuring two-stage systems ...................................................................................................... 19 - 20
Configuring compressors......................................................................................................................20 - 22
Compressor oil and safety information...........................................................................................22 - 23
Neutral Zone control ............................................................................................................................. 23
Compressor capacity staging patterns ...........................................................................................24 - 25
Configuring Evaporators ......................................................................................................................25 - 31
Case lights button .................................................................................................................................. 27
Configuring AK2-SC 255 refrigeration circuits..................................................................................... 28
Configuring defrost 32 - 33
Configuring evaporators ....................................................................................................................... 33 - 34
Configuring condensers ........................................................................................................................ 34 - 49
Aircooled condensers..................................................................................................................... 35 - 42
Split condenser control .............................................................................................................39 - 40
Reaction zone and time ............................................................................................................ 40 - 41
Enviroguard systems ......................................................................................................................41 - 42
Evaporative condensers .................................................................................................................42 - 49
Pump, louver, and sump schedules...........................................................................................44 - 45
Inverter settings .............................................................................................................................. 45
Neutral zone settings................................................................................................................45 - 46
Bypass; freeze protection; dump valves ..................................................................................47 - 48
Dump schedules.............................................................................................................................. 48
Receiver configuration ................................................................................................................................ 48
Heat reclaim configuration ................................................................................................................... 48 - 49
Refrigeration alarms configuration .......................................................................................................49 - 51
Board & Points configuration...................................................................................................................... 51
Navigation ..................................................................................................................................... 51
Board & Points, relay outputs (digital outputs) ............................................................................... 5
2 -53

Danfoss AK2-SC 255 Specifications

General

Brand	Danfoss
Model	AK2-SC 255
Category	Controller
Language	English