Danfoss ECL Comfort 210 Installation Manual page 27

Installation Guide
A275.3, example c
Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). DHW priority.
S 1
* = pressure relief valve
Heating circuit 2 can alternatively be a floor heating circuit.
At DHW heating, P3 (changeover valve) is activated and the desired boiler temperature is a number of degrees above the desired DHW
temperature.
P1 is continuously switched ON.
Heating circuit 2 is closed during DHW heating.
Special settings for type A275.3, example c:
Navigation:
Heating circuit (circuit 1)
Circuit 1 must be able to receive a heat demand (desired flow temperature) from circuit 2:
MENU \ Settings \ Application: 'Demand offset'
** This value is added to the heat demand value from circuit 2
Heating circuit (circuit 2)
Circuit 2 must be able to send a heat demand (desired flow temperature) to circuit 1:
MENU \ Settings \ Application: 'Send desired T'
Circuit 2 must be closed during the DHW heating process:
MENU \ Settings \ Application: 'DHW priority'
DHW circuit (circuit 3)
DHW heating is managed by changeover valve P3 / M1:
MENU \ Settings \ Application: 'Ch.-o. valve / P'
The desired DHW heating temperature must influence the boiler temperature:
MENU \ Settings \ Application: 'Tank, sec./prim.'
Danfoss District Energy
ECL Comfort 210 / 310, application A275 / A375
M2
S 3
P 1
S 5
B1
P3/M1
ECL 210 / (310)
S 4
P 4
S 2
VI.GU.L1.02
S 8
S 7
S 6
ID no.: Recommended setting:
11017
12500
12052
13051
13053
3 K**
ON
ON
OFF
OFF
DEN-SMT/DK 27