Setting The Air Flow Rate For Operating Modes - Viessmann Vitovent 300 Service Instructions For Contractors

Further details regarding the individual steps

Setting the air flow rate for operating modes

!
Please note
Incorrect adjustments can result
in interruption of operations.
Settings must only be made/
changed by a qualified contrac-
tor.
Incorrect operation by system
users will invalidate the war-
ranty.
Setting parameters for air flow rates:
1. Set the rotary program selector to
"MENU".
2. xw for "Service".
3. d to confirm.
4. xw for "Parameter".
Delivered condition:
Vitovent 300 for max. air flow
rate
Reduced ventilation
Standard ventilation
Higher ventilation
This setting can be adjusted to meet rel-
evant requirements in accordance with
the system engineering. Consider the
following:
■ The setting for reduced ventilation
must always be at least 10 m
than the setting for standard ventila-
tion.
■ The setting for standard ventilation
must always be at least 5 m
than the setting for higher ventilation.
Commissioning, inspection, maintenance
5. d
6. xw to change the value.
d
7. d
8. "ESC" to exit the menu after setting
m 3 /h
3
m /h
3
m /h
3
m /h
Note
The air flow rate of the next higher oper-
ating mode will be selected automatically
if one of these conditions is not met.
3
/h lower
3
/h lower
(cont.)
to confirm; the first parame-
ter "00" is displayed; the
selected air flow rate for
reduced mode flashes (value
3
in m /h).
or
for the next parameter:
"00" Reduced ventilation
"01" Standard ventilation
"02" Higher ventilation
to confirm a selected value.
the air flow rates.
180 300
75 100
100 150
150 225
400
100
200
300
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