Danfoss ADAP-KOOL AK-CC 750 User manual

Controller replacement

AK-CC 750 on AK-SM 800

Service Guide

ADAP-KOOL® Refrigeration Control System

Service Guide |Controller replacement AK-CC 750 on AK-SM 800

© Danfoss | ADAP-KOOL® | 2018.08

2 | AX278947943210en-000101

AK-CC 750 Controller Replacement

(pn# 080Z0139)

The following steps describe the procedure for replacing an AK-CC

750 case controller on an AK-SM 800 series controller.

At AK-CC 750:

1. Disconnect the 24 volt power plug, communication cable, and

all other terminal blocks from the AK-CC 750 controller being

replaced. Note original locations of each cable and terminal

block, so they can be reconnected correctly after replacement is

done.

2. Remove the controller.

3. Install replacement AK-CC 750. Set rotary dials to match address

of original controller. Reconnect the communication cable, the

terminal blocks, and ﬁnally the 24 volt power plug.

4. Connect to AK-CC 750 with PC and Service Tool software.

(default login is‘SUPV’ and 123).

5. In Service Tool software, press Service button (yellow wrench)

and go to‘Select Application’.

6. Select appropriate quick setup. This will close down Service

Tool.

7. Reconnect to AK-CC 750 via Service Tool, and return to ‘Select

application’.

8. Set # of evaporators to appropriate value.

At AK-SM 800:

1. Login to controller

2. Press menu button on keypad and select option 2 for‘Network

Nodes’.

Service Guide |Controller replacement AK-CC 750 on AK-SM 800

AX278947943210en-000101 | 3

© Danfoss | ADAP-KOOL® | 2018.08

3. Highlight ‘Press for complete rescan’ and press Ok so that AK-CC

750 can be brought online.

4. Once scan is complete, verify new AK-CC 750 has come online.

To do so, from current screen go to Conﬁg Status tab, locate

case controller address in list and verify status column shows

‘online’.

6. To download setpoints to controller, press gear button on

keypad to enter conﬁguration menu.

Service Guide |Controller replacement AK-CC 750 on AK-SM 800

© Danfoss | ADAP-KOOL® | 2018.08

4 | AX278947943210en-000101

7. Now navigate to Control->Refrigeration->Circuits->Setup. In

the drop-down on the left, locate the case controller being

replaced. If prompted at any point to‘retrieve conﬁguration’, be

sure to select no.

8. Choose ‘Select Application’ from the drop-down on the right,

and ensure Main Switch is set to‘OFF’ and Conﬁguration Lock

set to‘Unlocked’. If not, scroll to setting so that it is highlighted,

and press OK key on keypad to toggle to correct option.

9. Now navigate to Download tab, highlight and press OK key

on ‘press to deselect all’. Next, highlight the case controller to

download to, and press OK. This should place a check mark in

the box next to the controller address.

Service Guide |Controller replacement AK-CC 750 on AK-SM 800

AX278947943210en-000101 | 5

© Danfoss | ADAP-KOOL® | 2018.08

10. Scroll to top of screen and highlight/press OK on ‘Press to

download to selection’. You will see a prompt not to leave the

screen as the download occurs. Once complete/successful,

a timestamp will be placed under the Time column (2nd

screenshot below).

11. Return to Setup tab. Ensure drop-down on right is still set to

‘Select Application. Change Conﬁguration Lock to‘Locked’ and

Main Switch to‘On’ for case operation to begin.

© Danfoss | ADAP-KOOL® | 2018.08

6 | AX278947943210en-000101

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products

already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.

All trademarks in this material are property of the respecitve companies. Danfoss and Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

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