Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 103 / 160

Setting Function
Standby Frost protection of the device
Reduced Constant reduced room temperature
Standard Constant standard room temperature
Fixed value Operation as fixed value controller
Rotary se-
lector The operating mode is selected via the operating mode selector
(standard setting)
External no function
Switching
times Operation in accordance with selected switching times
Remote
control no function
Access
& " System settings "
& " Program "
& " Heating circuit "
& " Heating circuit 1/2 "
& "Operating mode" (
<
/
>
)
Maximum flow temperature
Limiting the heating circuit flow tem-
perature to a maximum value. The
lowest available value represents the
setting of the value for "
min. flow
temp. " (see page 103).
Access
&
" System settings "
&
" Program "
& " Heating circuit "
&
" Heating circuit 1/2 "
&
"max. flow temp." (
1
/
!
)
Standard setting 40 °C
Setting range 10 to 70 °C
Minimum flow temperature
Limiting the heating circuit flow tem-
perature to a minimum value. The
highest available value represents the
setting of the value for "
max. flow
temp. ".
Note
This setting influences the natural
cooling function. If the setting is
too
low , the dew point monitor switches
the cooling function off prematurely,
subject to the cooling curve (see
page 112).
Operating mode
(cont.)
103
Heating circuit control settings
55
92
901
GB
Service