Vaillant ecoFIT pure Installation And Maintenance Instructions Manual - page 19
Handing the product over to the operator 9
0020230535_01 ecoFIT pure Installation and maintenance instructions
19
8.1
Burner anti-cycling time
To prevent frequent switching on and off of the burner and
thus prevent energy losses, an electronic restart lockout
is activated for a specific period each time the burner is
switched off. The burner anti-cycling time is only active for
the heating mode. Hot water handling mode during a burner
anti-cycling time does not affect the time function element.
8.1.1
Setting the burner anti-cycling time
▶
Set the burner anti-cycling time via the diagnostics code.
Overview of diagnostics codes (→ Page 25)
8.1.2
Resetting the remaining burner anti-cycling
time
▶
Press the fault clearance key.
9
Handing the product over to the
operator
▶
When you have finished the installation, attach the sticker
supplied (in the operator's language) to the product
cover.
▶
Explain to the operator how the safety devices work and
where they are located.
▶
Inform the operator how to handle the product.
▶
In particular, draw attention to the safety information
which the operator must follow.
▶
Inform the operator of the necessity to have the product
maintained on a regular basis.
▶
Instruct the operator about measures taken to ensure the
supply of combustion air and flue gas pipe.
10 Troubleshooting
10.1
Rectifying faults
▶
If fault messages (F.xx) appear, rectify the fault after
referring to the table in the appendix or using the check
programmes. (→ Page 15)
Overview of fault codes (→ Page 29)
If several faults occur at the same time, the display shows
the corresponding fault messages for two seconds each in
alternation.
▶
Press
(max. three times) to restart the product.
▶
If you are unable to remedy the fault and the fault recurs
despite fault clearance attempts, contact customer ser-
vice.
10.2
Calling up and clearing the fault memory
The last 10 fault messages are stored in the fault memory.
▶
Call up the installer level. (→ Page 14)
▶
Navigate to the fault codes.
◁
The number of faults that have occurred is shown in
the display and the faults that are currently called up
are displayed with their fault numbers F.xx.
▶
Press
or
to call up individual fault messages.
▶
To delete the entire fault list, navigate to diagnostics code
D.094 in the installer level.
▶
Set the diagnostics code to 1, and confirm by pressing
.
10.3
Resetting parameters to factory settings
1.
Navigate to diagnostics code D.096 in the installer level.
2.
Set the diagnostics code to 1, and confirm by pressing
.
10.4
Preparing the repair work
1.
Decommission the product.
2.
Disconnect the product from the power mains.
3.
Remove the front casing.
4.
Close the gas isolator cock.
5.
Close the service valves in the heating flow and in the
heating return.
6.
Close the service valve in the cold water pipe.
7.
Drain the product if you want to replace water-bearing
components of the product.
8.
Make sure that water does not drip on live components
(e.g. the electronics box).
9.
Use only new seals and O-rings. Do not use any addi-
tional components.
10.5
Replacing defective components
10.5.1 Replacing the burner
1.
Remove the gas-air mixture unit. (→ Page 22)
2.
Remove the burner seal.
3.
Remove the burner.
4.
Install the new burner complete with new seal on the
heat exchanger.
5.
Install the gas-air mixture unit. (→ Page 24)
10.5.2 Replacing the gas-air mixture unit
1.
Remove the gas-air mixture unit. (→ Page 22)
2.
Install the new gas-air mixture (→ Page 24).
10.5.3 Replacing the heat exchanger
1.
Remove the side section. (→ Page 9)
2.
Remove the gas-air mixture unit. (→ Page 22)