A375.3, example a
Up to 8 x boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority.
* = pressure relief valve
The application drawing shows a general and basic installation.
The ECL Comfort 310 controller controls the boilers 1 and 2. The extension module ECA 32 controls boiler 3, 4, 5 and 6. The ECL Comfort
310 controller controls boiler 7 and 8 via auxillary relays.
The mixing circuit (2) is controlled as described in the A275.3 examples .
The DHW circuit (3) is controlled as described in the A275.2 examples.
42 | © Danfoss | 2017.09
VI.GU.L2.02
Operating Guide ECL Comfort 210/296/310, application A275/A375