Danfoss C67, User Manual

Page: 19 / 84

Installa
tion
Terminal Description Max. load
1 L Supply voltage 24 V a.c.
2 N Supply voltage 24 V a.c.
3 M1 Actuator - open, circuit I 1.0 A / 24 V a.c.
4 M1 Actuator - close, circuit I 1.0 A / 24 V a.c.
5
24 V a.c. supply voltage for M1,
circuit I
6 M2 Actuator - open, circuit II 1.0 A / 24 V a.c.
7 M2 Actuator - close, circuit II 1.0 A / 24 V a.c.
8
24 V a.c. supply voltage for M2,
circuit II
9 P1
Circulation pump for heating
circuit I
4 (2) A / 24 V a.c.
10
24 V a.c. supply for pump relay
R1
11 P2
Circulation pump for heating
circuit II
12
24 V a.c. supply for pump relay
R2
13 P3
Circulation pump for DHW /
changeover valve ON / OFF
4 (2) A / 24 V a.c.
14
24 V a.c. supply for pump relay
R3
Wire cross section: 0.75 - 1.5 mm
2
Electrical connections
Max. 2 x 1.5 mm
2
wires can be inserted into each screw terminal.
Incorrect connection can damage the TRIAC outputs. Max. load
(terminals 3, 4, (6 and 7)) 1.0 A / 24 V a.c.!
Option
:
Relay module ECA 80 (contacts: max. load 4 (2) A / 230 V a.c.)
25 (P4) Circulation pump
28 (P5) Storage charging pump
13b