Operating Via Azl2 Unit; Description Of Unit / Display And Buttons - Siemens LMV27.100x2 Basic Documentation

Basic unit with integrated air-fuel ratio control for forced draft burners
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21

Operating via AZL2 unit

21.1

Description of unit / display and buttons

Button
F
A
VSD
F
A
/reset
ESC
118/219
Building Technologies
Function and operation of unit versions AZL21 and AZL23 are identical.
P
VSD
F
Figure 76: Description of unit / display and buttons
Function
Button F
- For adjusting the fuel actuator
(keep
depressed and adjust the value by pressing
F
Button A
- For adjusting the air actuator
(keep
depressed and adjust the value pressing
A
Buttons A and F: Parameter function
- For changing to parameter setting mode P
(press simultaneously
Info and Enter button
- For navigating in info or service mode
* Selection (symbol flashing) (press button for <1 s)
* For changing to a lower menu level (press button for 1...3 s)
* For changing to a higher menu level (press button for 3...8 s)
* For changing the operating mode (press button for >8 s)
- Enter in parameter setting mode
- Reset in the event of fault
- One menu level down
- button
- For decreasing the value
- For navigating during curve adjustments in info or service mode
+ button
- For increasing the value
- For navigating during curve adjustments in info or service mode
+ and - button: Escape function
(press
and
simultaneously)
- No adoption of value
- One menu level up
Basic Documentation LMV27...
21 Operating via AZL2 unit
/reset
V
h min s
%
ESC
A
and
plus
or
F
A
or
)
or
)
)
CC1P7541en
17.12.2018

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