Viessmann SCU224 User Manual page 46

SCU224
Operating mode
MAN1 / MAN2:
Operating mode
Adjustment range:
OFF, Auto, ON
Factory setting: Auto
Language
LANG:
Language selection
Selection: dE, En
Factory setting: En
Unit
UNIT:
Temperature unit selection
Selection: °F, °C
Factory setting: °C
Reset
RESE
Reset function
Security enquiry:
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For control and service work, the operating mode of the
controller can be manually adjusted. For this purpose, select
the adjustment value MAN1, MAN2 in which the following
adjustments can be made:
• MAN1 / MAN2
Operating mode
OFF : relay off
Auto : relay in automatic operation
ON : relay on
Note:
Always adjust the operating mode back to
"Auto" when the control and service work is
completed. Normal operation is not possible in
manual mode.
The menu language can be adjusted in this channel.
• dE : German
• En : English
In this adjustment channel, the display unit for temperatures
and temperature differences can be chosen. The unit can be
switched between °C / K and °F / °Ra during operation.
Temperatures and temperature differences in °F and °Ra
are displayed without units. If the indication is set to °C, the
units are displayed with the values.
By using the reset function, all adjustments will be set back
to the factory settings.
Î To initiate a reset, press button 3
Any previous adjustments will be lost. Therefore, initi-
ating the reset function is always followed by a security
enquiry.
Only confirm the security enquiry if you are sure
that you wish to reset all adjustments to the factory
settings!
Î To confirm the security enquiry, press button 3
Note:
Whenever a reset has been completed, the
controller runs the commissioning menu again
(see chap. 3).
(flashing) +
(flashing) +