Utility Input And Output Electrical Connections; Out 1 And Out 2 Output Contacts; Table 6: Output Contact Specifications; Figure 10: Example Of Output Connections - DWT WaCS PWM Serie Instrucciones De Instalación Y Mantenimiento

2.2.4

Utility input and output electrical connections

The inverters are equipped with 4 inputs and 2 outputs to enable a number of solutions for interface with
more complex installations.
Figure 10 and Figure 11 show examples of two possible configurations of the inputs and outputs.
For the installer it is sufficient to wire the required input and output contacts and then configure the functions
as necessary (see sections 6.6.13 and 6.6.14).
The +19 [Vdc] power supplies to pins 11 and 18 and J5 (18-pole terminal board) can deliver a
maximum of 50 [mA].
2.2.4.1

OUT 1 and OUT 2 output contacts:

The connections of the outputs listed below refer to the two 3-pole terminal boards J3 and J4 marked OUT1
and OUT 2, with a text below indicating the type of terminal contact.
Type of contact
Max. admissible voltage [V]
Max. admissible current [A]
Max. admissible cable section [mm²]

Figure 10: Example of output connections

ENGLISH
Output contact specifications
NO, NC, COM
250
5
2,5 -> inductive load
3,80

Table 6: Output contact specifications

85
-> resistive load
With reference to the example in Figure 10
and using the default settings (O1 = 2: contact
NO; O2 = 2; contact NO) the following is
obtained:

L1 lights up when the pump is blocked
(e.g. "BL": water failure block).

L2 lights up when the pump is running
("GO").