Test Of The Relays And Valves - wtw TresCon UNO A111 Operating Manual

Maintenance
Setting the state of the
relay/valve
6 - 4
6 Repeat steps 2 and 3 for any other outputs.
Return to the Service menu with 4.
7

6.1.2 Test of the relays and valves

You can switch all relays on/off individually. You can also switch indivi-
dually the valves of overflow vessels with valves (accessory). The swit-
ching states are changed immediately as soon as they are set up.
Warning
Test currents to the relay outputs can carry line voltage (220 V AC)!
Parameter
R1 to R12
V1 to V3
1 Measuring mode
Call up the Service menu: Simultaneously press the keys,
4 and 5. The request Enter PIN appears.
Input the PIN digit-by-digit with 68. Change the digit
2
with 57 and confirm with 3. The Service Mode
menu appears.
Select the Relay/Valve menu item with 68 and confirm
3
with 3. The Relay service mode appears.
Values
On/off
On (open), Off (closed)
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TresCon UNO
05/2017