Danfoss ADAP-KOOL AK-PC 783, Design Manual, Page: 69 / 128

AK-PC 783 Capacity controller RS8GN202 © Danfoss 11-2013 69
Setup control of heat
recovery
1. Go to Configuration menu
2. Select heat recovery
3. Define heat recovery circuits
3 -Heat recovery
Heat recovery mode
Thermostat: Heat recovery operated from thermostat
Digital input: Heat recovery operated from signal on a
digital input.
Heat recovery relay
Choose whether an output is required that should be
activated during heat recovery.
Heat recovery ref
Reference for the condensing pressure, when heat
recovery is activated.
Heat recovery ramp down
Configure how quickly the reference for the condenser
pressure should be ramped down to normal level after
heat recovery. Configure in Kelvin per minute.
Heat recovery cutout
Temperature value where the thermostat cuts-out the
heat recovery.
Heat recovery cutin
Temperature value where the thermostat cuts-out the
heat recovery.
Configuration - continued
We have not used this function
in our example. It is included for
guidance only.
(This function will only display
in the configuration menu if it is
enabled in the "Select plant type"
menu.)
Setup control of pump
function
1. Go to Configuration menu
2. Select cold pump control
3. Define pump control
We have not used this function
in our example. It is included for
guidance only.
(This function will only display
in the configuration menu if it is
enabled in the "Select plant type"
menu.)
12 - Pumps
No of pumps
(0, 1 or 2)
Cold pump control
Pump operation is defined here:
0: No pumps in operation
1: Only pump 1 in operation
2: Only pump 2 in operation
3: Both in operation
4: Operating time equalisation. Start before stop
5: Operating time equalisation. Stop before start
Pump cycle time
Operating time before changeover to the second pump
(1-500h)
Pump switch time
Overlapping time, where both pumps are in operation
with "start before stop" or break time with "stop before
start" (0-600 sec)
Monitor pump flow
Choose whether to have monitoring using a flow switch.
Pump alarm delay
Delay from drop out of flow switch to alarm.