industrie technik evolution AHU-XXXSX1 series, User Manual

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• MODE button functionality
Depending on the value of parameter
195
, the function is selected by quick access by pressing the MODE button. The
other 2 functions can, however, be accessed by pressing the
ESC
M
O
D
E buttons.
Access to the rapid function using the MODE button:
• If
195
=0 (quick access to the local season change configuration if no contact is configured as remote season change)
Press the
M
O
D
E
button, the “HEAT” (for heating) or “COOL” (for cooling) icon flashes depending on the current configuration
and the same flashing text appears on display B.
Press the
M
O
D
E button to change the setting. The value is automatically saved. To exit the menu, wait for 4 seconds or press
the
ESC
button.
• If
195
=1 (quick access to the timer extension configuration)
The extended running function extends operation with the base setpoint by excluding the economy function and the
“non-occupied holiday” function for a time corresponding to parameter
198
if the timer function parameter
199
=0.
With
199
=1 (switch on/off using the timer) the timer extension function enables continued operation in the ON mode
by excluding the timer periods for a period of time corresponding to parameter
198
.
Press the
M
O
D
E button,
noOC
flashes on the display B (to stop the timer extension if started) or
OC
and the icon flashes on
display B (to activate the timer extension).
Press the
M
O
D
E button to change the setting. The value is automatically saved.
To exit the menu, wait for 4 seconds or press the
ESC
button.
• If
195
=2 (quick access to the operating mode configuration)
The operating mode function is used to select whether to control with or without the timer periods (if the parameter
199
=0,
it is controlled using the timer periods see “6. TIMER PERIODS operation and configuration (Model AHU-xxCSx1)”
page 12 ) or with “non-occupied/holiday” mode (see “9. Operating setpoint, economy/BOOST, holiday modes”
page 17 ).
If
199
=0 the timer periods are functioning for normal/economy-boost operation:
push the
M
O
D
E
button,
nOrM
flashes on display B (for control without the timer periods) or
tiMB
flashes on display B and the icon (for normal/economy-boost control using the timer periods) or
HOLY
flashes on display B and the icon (for control in the “non-occupied/holiday” mode).
If
199
=1 the timer periods are functioning for switching the unit on/off:
push the
M
O
D
E button,
nOrM
flashes on display B (for control without the timer periods) or
HOLY
flashes on display B and the icon (for control in “non-occupied/holiday” mode).
Press the
M
O
D
E button one or more times to select the control mode. The value is automatically saved.
To exit the menu, wait for 4 seconds or press the
ESC
button.