Danfoss C17 Installer's Manual page 11

Terminal Description
1 L Supply voltage 230 V a.c.
2 N Supply voltage 230 V a.c.
3 M1 Actuator - open
Actuator - close
4 M1
alt. thermo actuator
230 V a.c. supply voltage for
5
M1
6
Not to be used.
7 Do not establish any
connections!
8
Circulation pump, primary
9 P1
circuit
230 V a.c. supply for pump
10
relay R1
11 P2 DHW charging pump
230 V a.c. supply for pump
12
relay R2
13 P3 DHW circulation pump
230 V a.c. supply for pump
14
relay R3
Option:
Relay module ECA 80 (contacts: max. load 4 (2) A / 230 V a.c.)
25 (R4) Alarm relay output
Wire cross section: 0.75 - 1.5 mm
Electrical connections
Max. 2 x 1.5 mm
Incorrect connection can damage the TRIAC outputs. Max. load
(terminals 3, 4, (6 and 7)) 0.2 A / 230 V a.c.!
2
2
wires can be inserted into each screw terminal.
12b
Max. load
0.2 A / 230 V a.c.
0.2 A / 230 V a.c.
4 (2) A / 230 V a.c.
4 (2) A / 230 V a.c.
4 (2) A / 230 V a.c.