Configuration Manual
Version Document 
A
001 
A
ccess V4.X Configuration manual 
   16 (56)  2018-07-11 
Standby mode 
If frost protection is activated, the controller will go into ”Standby mode” when the 
running mode switches to ”Off”. The “Standby mode” will control the heating output 
to maintain a constant settable temperature at the frost protection sensor “Setpoint 
Standby mode”. 
Electric heating 
Control 
The heating is controlled using the analogue output and/or signal for start heating 
or step controller to control 1..4 digital output steps. 
Overheat protection 
On Activate of the digital input “Overheated electric heater” the unit will be shut 
down, either according to the stop sequence described in section Start/stop of unit 
or as an emergency shutdown. The unit will restart after the alarm has been 
acknowledged and “Electric heating is overheated” has reset. 
Flow switch 
Note that Activate of the input signal “Flow switch” will also stop the unit. Note: It is 
important that the high temperature thermostat is hardwired to disconnect the 
power to the heater. That is to ensure that the heating is shut down when the 
thermostat is activated even if the Access controller should be faulty. 
Fast stop on overheating 
If the function "Fast stop on overheating" is active, the fans will be immediately 
stopped when there is an overheating alarm, regardless of the set cool-down time. 
Step controller heating 
Activate:  By configuring the electrical heater the step switch will be activated in the menu. 
Configure:  Configuration > Function Configuration > Function Activation> Sequence Configure 
type > Step controller 1 (Step controller 2) 
Step controller 1 (2) 
Input 
  Select sequence to connect to step controller 1 
Step control type 
 Sequential 
 Binary 
Number of step 
 1 
 2 
 3 
 4 
Select number of digital outputs 
Hysteresis if low outdoor temperature block 
 1 °C 










