Setting The Max. Heating Output (Gas Condensing Module); Commissioning The System - Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual

Venting the heating system
6. Use " " to activate the venting function.
The venting function ends automatically after
20 min or when you tap "

Setting the max. heating output (gas condensing module)

A limit can be set on the maximum heating output for
heating mode. The limit is set via the modulation
range. The upper limit of the max. adjustable heating
output is set by parameters specific to the appliance.

Commissioning the system

Starting commissioning
1. If the control unit has not yet been switched on,
switch on the gas condensing module ON/OFF
switch. See page 58.
2. Select a language.
Commissioning with the commissioning assistant
1. Optional settings and functions for commissioning
are listed in the following table.
Note
The adjustable settings and functions depend on
the type of appliance and control unit.
2. When all the required commissioning steps have
been performed, tap "
A safety instruction is shown on the display.
3. After successfully reviewing the safety instructions,
tap " " to acknowledge.
This initiates an automatic flue gas temperature
sensor test.
The display shows: "Testing, flue gas tempera-
ture sensor" and "Enabled".
If the flue gas temperature sensor is not positioned
correctly, fault message F.416 appears on the dis-
play.
For further details regarding the flue gas tempera-
ture sensor test, see Repairs.
(cont.)
".
".
Commissioning, inspection, maintenance
The adjustment is made in parameter 596 "Maximum
heating output". See page 86.
3. Select the commissioning tool.
■ Commissioning by software tool via app or lap-
top:
Access point is automatically switched on at
–
start.
– Carry out commissioning according to the soft-
ware tool.
– After successful commissioning, the display
shows the default display.
■ Commissioning with the commissioning assis-
tant: See following chapter.
4. If a fault message appears, reposition the flue gas
temperature sensor in the flue gas connection.
Check for leaks.
Note
The burner remains blocked until the test has been
passed.
5. When the fault has been remedied, turn the gas
condensing module ON/OFF switch off and then
back on again.
Confirm the commissioning assistant with "
6. Adjusting components of the system scheme:
■ Heating circuit 1 (heating circuit without mixer)
■ Heating circuit 2 (heating circuit with mixer)
■ Heating circuit 3 (heating circuit with mixer)
■ Heating circuit 4 (heating circuit with mixer)
DHW
■
Low loss header
■
".
59