ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

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Installation Guide ECL Comfort 210 / 310, application A275 / A375 Alternative connection for P3 / M1, changeover valve: Application A375.2 / A375.3 (burner steps 3–6): Double-insulated (two-chamber) transformer Terminal Description Max. load 48 Phase for burner B3 47 B3 Burner ON / OFF 4 (2) A / 24 V a.c.* 46 Not to be used 45 Phase for burner B4 44 B4 Burner ON / OFF 4 (2) A / 24 V a.c.* 43 Not to be used 42 Phase for burner B5 41 B5 Burner ON / OFF 4 (2) A / 24 V a.c.* 40 Phase for burner B6 39 B6 Burner ON / OFF 4 (2) A / 24 V a.c.* * Relay contacts: 4 A for ohmic load, 2 A for inductive load 68 DEN-SMT/DK VI.GU.L1.02 Danfoss District Energy
Installation Guide ECL Comfort 210 / 310, application A275 / A375 Application A375.2 / A375.3 (burner steps 7–8) Double-insulated (two-chamber) transformer Terminal Description Max. load 5 Phase for control of burner steps 7 and 8 4 Connection for motorized control valve - opening, circuit 2 (A375.3) 1 A / 24 V a.c. 3 Connection for motorized control valve - closing, circuit 2 (A375.3) 1 A / 24 V a.c. 2 K7 Auxilliary relay for control of burner step 7 1 A / 24 V a.c. 1 K8 Auxilliary relay for control of burner step 8 1 A / 24 V a.c. Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly. Use auxilliary relays (K) to separate 230 V a.c. from 24 V a.c. Wire cross section: 0.5 - 1.5 mm² Incorrect connection can damage the electronic outputs. Max. 2 x 1.5 mm² wires can be inserted into each screw terminal. Danfoss District Energy VI.GU.L1.02 DEN-SMT/DK 69
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ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

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