2.5.18 Electrical connections ECA 32
Connections for A333.2 and A333.3, in general:
See also the Mounting Guide (delivered with the application key) for application specific connections.
Terminal
Description
Max. load
39
R10
Relay 10, not used
4 (2) A / 24 V a.c.*
40
R10
41
R9
Relay 9, not used
4 (2) A / 24 V a.c.*
42
R9
43
R8
Relay 8, not used
4 (2) A / 24 V a.c.*
44
R8
45
R8
46
R7
Relay 7
4 (2) A / 24 V a.c.*
47
R7
V3, ON / OFF valve for pressure release
48
R7
Phase for ON / OFF valve V3
49
Common terminal for input signals
50
S11
Input: Position signal from M1, 0 - 10 volt
51
S12
Input: Refill water level in storage tank, 0 - 10 volt
52
S13
Input: F2 flow signal, 0 - 10 volt
53
Input: not used
54
Input: not used
55
Input: not used
56
Reference terminal for Analogue out 2 (M2) and 3 (M3)
57
F1
Input: Flow-meter, pulse type
58
F2
Input: Flow-meter, pulse type
59
M1
Analogue out 1: 0 - 10 volt for control of motorized control valve M1 (A333.3)
2 mA **
60
M2
Analogue out 2: 0 - 10 volt for speed control of refill water pumps P3 and P4 (A333.2, A333.3)
2 mA **
61
M3
Analogue out 3: 0 - 10 volt for speed control of circulation pumps P1 and P2 (A333.2, A333.3)
2 mA **
62
Reference terminal for Analogue out 1 (M1)
* Relay contacts: 4 A for ohmic load, 2 A for inductive load
** Min. resistance: 5 KΩ
VI.GU.T2.02
© Danfoss | 2017.09 | 37
Operating Guide ECL Comfort 310, application A333