Danfoss AK-SM 800 Quick Reference Manual Download Page 2

© Danfoss  |  DCS (mrb)  |  2019.06

AU308671869174

2

Basic Operation

• Use “PG DN” to view related screens 
• Double click to edit states and bd-pts

For a Rack Overview
1. Go to the Dashboard
2. Select desired “Suction Group”
3. Double click

Other Rack info can be accessed including:

a. Condenser: Indicates number of fans and 

relevant temperature readings. 

b. Compressors: Ability to manual 

compressors ON/OFF through 
Suction>Service tab 

c. Evaporators:  Go to the Dashboard. If 

Refrigeration circuit is red, there is an alarm. 
If yellow, it is in defrost. Highlight the circuit 
and double click for more info and Status, 
Settings, Service overview of each circuit

Use arrow keys to select any icon. Press “OK” 
to view related setpoints, actual pressure, and 
temperatures. “Next,” if available, allows you to 
move to other racks, suction groups, or circuits.  

Viewing Compressors
1. Go to the Dashboard
2. Choose the desired Suction Group and 

double click

3. Go to the “Maintenance” tab to view

compressor run times since last clear

Viewing a Circuit
1. Go to the Dashboard 
2. Circuits are organized by suction group.
    Page Down to the desired circuit
3. Double click 
Current circuit readings and set points are 
displayed on the Status. PG DN to view run 
times and cycles. Relays may be overridden 
through the service tab directly or by putting a 
function into Manual ON such as defrost.

Viewing Condensers
1. From the Main Menu, scroll to the 

correct Rack

2. Select the Condenser
3. Double click

Performing a Manual Defrost (IO Circuit)
1. From the Main Menu, select desired 

Evap Circuit

2. Double click 
3. Select the “Service” tab 
4. “UP” arrow, then “Down” to Manual Defrost
5. Press the “OK” key
6. Scroll to “Manual On” and press “OK”

Performing a Manual Defrost (Case 

Controller)
1. From the Main Menu, select desired 

Evap Circuit

2. Double click 
3. Select the “Manual Operation” tab 
4. Find the Defrost operation
5. Highlight “Press to turn on” and double click

Miscellaneous Points
1. Go to “Configuration”
2. Go to “Network Nodes” tab
3. Go to “Points” tab
4. Go to “On/Off” inputs tab
The status of all points configured 
in the controller are available in 
Configuration>Network Nodes>Points. 
Choose Relays, Sensors, On/Off Inputs, Variable 
Outputs as desired.

Viewing Refrigeration Settings
1. Go to “Configuration”
2. Go to “Control” tab
3. Go to “Refrigeration” tab

I/O Communications

Checking Board Communication
1. Press Configuration (gear button on keypad)
2. Select “Network Nodes”
3. “Node Overview” will show a list of all

Configured/Scanned devices

4. “Scan Status” will show more info about 

the devices

5. Scan Status>IO boards will let you 

interrogate communication modules 
including supply voltage

6. Network Nodes>Config Status will show 

nodes as Online/Offline

Rescan to Bring Offline Boards on Line
1. Go to “Configuration”
2. Go to the Network Nodes tab
3. Typically, LONWORKS is enabled. Enable 

MODBUS-RS485 if stand-alone controllers 
are used

4. Double click “Press for complete rescan”
5. Press “Yes” to confirm. Wait for scan to 

complete 

6. Check to see all nodes are on line.
If boards do not come online, confirm the 
supply voltage is correct, end of line resistor is 
installed at the end of each daisy chain, ensure 
correct comm spec cable is used.

Authorization

Getting Authorized to Make Changes
1. You will need to use login credential to view 

the unit with StoreView Desktop

Viewing History Logs

1. Click the “History” tab
2. Press “Collect”
3. Choose desired datapoints and time interval
4. Press “OK”
5. To view the graph now, press “Select Data

Points to Draw”

6. Open the folders and select up to 8 data points
7. Press “OK”

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.
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