2.5.16 Electrical connections, 24 V a.c. (ECL 310 only), power supply, pumps, motorized valves etc.
Connections for A333.1 and A333.2, in general:
See also the Mounting Guide (delivered with the application key) for application specific connections.
Application A333.1 / A333.2
Terminal
Description
Max. load
19
Supply voltage (SP) for ON / OFF valve / Alarm
18
A1
Alarm
4 (2) A / 24 V a.c.*
17
V2
ON / OFF valve for pressure release
4 (2) A / 24 V a.c.*
16
Supply voltage (SP) for refill water pump
15
P4
Refill water pump
4 (2) A / 24 V a.c.*
14
Supply voltage (SP) for circulation pumps / refill water pump
13
P3
Refill water pump
4 (2) A / 24 V a.c.*
12
P2
Circulation pump
4 (2) A / 24 V a.c.*
11
P1
Circulation pump
4 (2) A / 24 V a.c.*
10
Supply voltage 24 V a.c. - (SN)
9
Supply voltage 24 V a.c. - (SP)
8
Supply voltage (SP) for motorized control valve M1
7
M1
Motorized control valve - opening
1 A / 24 V a.c.
6
M1
Motorized control valve - closing
1 A / 24 V a.c.
5
Supply voltage (SP) for ON / OFF valve V1
4
V1
ON / OFF valve for refill water
1 A / 24 V a.c.
3
Not to be used
2
Not to be used
1
Not to be used
* Relay contacts: 4 A for ohmic load, 2 A for inductive load
Factory established jumpers:
5 to 8, 9 to 14, L to 5 and L to 9, N to 10
VI.GU.T2.02
© Danfoss | 2017.09 | 33
Operating Guide ECL Comfort 310, application A333
