Viessmann Vitoladens 300-W Installation And Service Instructions Manual page 24

Commissioning, inspection, maintenance
Filling the trap with water
A B C
Fig. 19
Naming the heating circuits
In the delivered condition, heating circuits are designa-
ted "Heating circuit 1", "Heating circuit 2" and "Heating
circuit 3" (if installed).
If the system user prefers, heating circuits can be
renamed to suit the specific system.
Function sequence and possible faults
Control unit issues a heat
demand
Yes
Oil preheating starts
24
1. Remove retaining clip
2. Fill trap
3. Mount trap
To enter names for heating circuits:
Display
No
No After approx. 10 min
Fault
E6
A
with water.
B
and secure with retaining clip
B
Note
Never twist the inlet hose during assembly. Route
the drain hose without any bends and with a con-
stant fall.
Operating instructions
Steps to take
Increase set value and en-
sure heat is drawn off
Check the oil preheater,
lines and plug-in connec-
tions (oil preheater has
not switched through; tem-
perature not reached)
and trap B .
.
A