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Building Technologies Basic Documentation LMV5... CC1P7550en
4 Burner control 22.05.2018
4.1.5.2 Manual lockout / reset
The system can be manually locked by simultaneously pressing the Esc and Enter
buttons on the AZL5. This function allows the user to lock the system from the
operating level. This means that the user can trigger an unchangeable lockout. Due to
the system make-up, this is not an emergency stop function.
For a reset, the following actions are carried out:
∂ The alarm relay and the fault display are switched off
∂ The lockout position is canceled
∂ The unit will reset and then change to standby
There are 2 ways to reset the system.
1. Reset on the AZL5
If the LMV5 is in lockout position, it can be reset by pressing Esc, followed by Enter.
2. Reset via the button on the connection terminal X4-01 pin 4
If the LMV5 is in lockout position, a reset can be carried out by pressing the button for
1…3 seconds. Longer or shorter presses on the button are ignored and the system
maintains the lockout position. If the device is not in lockout position, a manual lockout
can be triggered by pressing the button for 1...6 seconds.
With manual lockout Without manual lockout
3
2
1
Figure 28: Reset / manual lockout (X4-01 pin 4)
Manual lockout
Reset
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