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.
VI.GU.L2.02
© Danfoss | 2017.09 | 69
Operating Guide ECL Comfort 210/296/310, application A275/A375
