Viessmann Vitobloc 200 EM-50/81 Operating Instructions Manual page 37

Programming
Special functions of the numerical keys in the
manual mode
key 1 = alternator switch OFF ( )/ON (x)
key 2 = idling speed lower (when Geno OFF) alter-
nator capacity lower (when Geno ON)
key 3 = display the maximum/minimum engine
values since the old values have been
erased most recently with function key F8
(Reset)
key 4 = engine OFF ( )/ON (x)
key 5 = cooling water pump OFF ( )/ON (x)
key 6 = extract air ventilator OFF ( )/ON (x)
key 7 = manual mode OFF ( )/ON (x)
key 8 = idling speed higher (when Geno OFF) alter-
nator capacity higher (when Geno ON)
key 9 = display of the fault messages (also
acknowledged ones) stored in the circular
buffer
Important for test runs:
NOTE:
In order to check the current operating
values in the manual mode (Fig. 19 and
Fig. 20, item 1), it is possible to return
to level 1 (and back to level 2) with
function key F6. If the menus "Engine
values" or "U-I values" are displayed in
the manual mode, keys 1 and 4 as well
as 2 and 8 at level 2 will remain active.
●
In the case of longer test runs, press any key (such
as F6) at least every 60 min.
NOTE:
All passwords will be erased automati-
cally, if no key has been pressed within
60 min.
4.3.3 Deletion of passwords
WARNING
As a means of protection against unau-
thorized use and access, all passwords
must be erased after the work has been
completed.
●
Press key C for 5 sec, on which the screen with
basic configuration will be displayed again. The
LED "Fault" stops flashing and all passwords have
been erased.
VITOBLOC 200 Operating instructions for the natural gas-fuelled CHP module
Level 2: Menu "Manual mode" (example: alterna-
Fig. 18
tor test: selection ( x ) with keys 7, 4 and 1)
Fig. 19 Display of the engine values in the manual mode
(= keys 1 and 4 as well as 2 and 8 at level 2 are
active)
Fig. 20 Display of the U-I values in the manual mode (=
keys 1 and 4 as well as 2 and 8 at level 2 are ac-
tive)
37