Starting The Heating System And Commissioning The Burner - Buderus Logano GE434 Maintenance Instructions Manual

6 Heating system start-up
6.1.7 Starting the heating system and
commissioning the burner
! Set the ON/OFF switch (Fig. 7, Item 2) to "I" (ON).
The entire heating system is switched ON.
! Slowly open the mains gas shut-off valve.
! Set the boiler water thermostat (Fig. 7, Item 1) to
"AUT". For operation at a constant temperature,
select the required temperature (min. 65 °C).
The gas burner receives a heat demand from the control
device and starts.
PLEASE NOTE
! Please observe the operating
instructions included with the control
device.
Fault:
! Any faults are indicated on the control device display.
Faults on boilers with analog burner control unit (burner
control unit TFI 812)
! Press the reset button (Fig. 8, Item 1). If the gas
burner will not start after pressing the reset button
several times (see Chapter 11 "Troubleshooting",
page 55).
Faults on boilers with digital burner control unit (burner
control unit MPA 50)
! To reset, set the ON/OFF switch (Fig. 7, Item 2) to
"0" (OFF).
! After waiting approx. 3 minutes, set the ON/OFF
switch (Fig. 7, Item 2) to "I" (ON). If the gas burner
will not start after activating the ON/OFF switch
several times (see Chapter 11 "Troubleshooting",
page 55).
We reserve the right to make any changes due to technical modifications.
Commissioning and maintenance instructions Logano GE434 Gas-fired special boiler • Issue 02/2003
24
1
Fig. 7 Logamatic 4000 control unit
Item 1: Boiler control thermostat
Item 2: ON/OFF switch
1
Fig. 8 Reset button
Item 1: Reset button
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
2