Danfoss AK-SC 255, AK-SM 800, AK-SM 800A Application guide

Application Guide

AK-SC 255 / SM 800 to
AK-SM 800A conversion

ADAP-KOOL® Refrigeration Control System

Application Guide | AK-SC 255 / SM 800 to AK-SM 800A conversion

Contents

Document history

1.0 Scope .................................................................................................................................................................................. 3

2.0 Introduction to AK-SM 800A / Comparison to AK-SC 255 ..............................................................................3

3.0 Key steps and procedures ...........................................................................................................................................4

3.1 AK-SC 255 / SM 800 preperation ..................................................................................................................... 4

3.2 AK-SM 800A pre-flight ........................................................................................................................................ 4

3.3 Convert 255 database to SM 800A ................................................................................................................. 5

4.0 Site Check list – New Install

4.1 800A preflight ........................................................................................................................................................ 6

4.2 Installation .............................................................................................................................................................. 6

5.0 Site Check list – Retro fit

5.1 Pre-installation ...................................................................................................................................................... 7

5.2 800A preflight ........................................................................................................................................................ 7

5.3 Convert .....................................................................................................................................................................7

5.4 Pre-installation ...................................................................................................................................................... 7

6.0 Appendix ........................................................................................................................................................................... 8

7.0 Software update ............................................................................................................................................................. 8

8.0 Connectivity ..................................................................................................................................................................... 9

Description Date / Initial Reviewed by

Original document 1.0 05.06.2020

Updated document 1.1

• SC255 to SM800A database upgrade steps

Updated document 1.2

• Check list updated

Updated document 1.3

• Added important comment on SM 800 pre-conversion
(Sec 3.1)

Updated document 2.0

• Minor updates

05.19.2020 AN

07.16.2020 AN

11.03.2021 AN

18.02.2022 AN

AN

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2 | AB389443841539en-000201 © Danfoss | Climate Solutions | 2022.02

Application Guide | AK-SC 255 / SM 800 to AK-SM 800A conversion

1.0 Scope

2.0 Introduction to AK-SM
800A / Comparison to
AK-SC 255

This document is provided with the intent to cover installation and operational actions associated
with replacing existing and functioning AK-SC 255 / SM 800 units with AK-SM 800A.

This document assumes the reader has detailed knowledge of Danfoss systems and is qualified for all
work activities outlined in this document.

Ground up commissioning of the AK-SM 800A is not covered by this document, rather the conversion
of existing AK-SC 255 units is assumed.

Product highlights – AK-SM 800A

A major upgrade with focus on performance, connectivity and security

AK-SC 255 (end of life 2016) AK-SM 800A Solution

Uses AKA65 for remote access Secure Full web browser (Chrome / Safari)

KeyPad local access Touch screen

Weak Passwords (i.e. supervisor, 123) Strong password (industry best practice)

Full centralized Rack / Pack control Full centralized Rack / Pack control

AK I/O AK I/O

600 history points 1000 status 2000 event

DES support DES support

Offline programming Not available

XML1.0 open interface

AK-SC 255 Corresponding AK-SM 800A

AK-SC 255 Screen TP78 (Full License) - 080Z2502 AK-SM880A TP78 - 080Z4029

AK-SC 255 Alarm Logger - 080Z2530 N/A

AK-SC 255 Screen RS485 (Full License) ­080Z2521

XML1.0 open interface
(with requirements for encryption)

AK-SM880A RS485 - 080Z4028

© Danfoss | Climate Solutions | 2022.02 AB389443841539en-000201 | 3