Making Boiler Ready For Operation; Commission The Heating System With Aquastat Control; Placing Heating System With; Logamatic 2000 Control Unit In Operation - Buderus Logano G234X Installation And Maintenance Instructions Manual

6
Commissioning the heating system
6.4

Making boiler ready for operation

STOP! First read the safety instructions on page 29 of
these instructions.
1. If the boiler is not commissioned directly after the
installation:
carry out another leak test (
minutes until all gas residues have dissipated. Finally
check whether there is any smell of gas, including at
floor level. If you smell gas, STOP! Seal leaks and
repeat the leak test.
If you do not smell gas, go to the next step.
2. Open the gas shut-off valve.
6.4.1 Commission the heating system with
aquastat control
The boiler is fully functional with the factory-installed
aquastat.
3. Switch on ON/OFF switch [1] ("ON" position). This
turns on the boiler with all its components.
4. Make sure that the room thermostat signals a heat
requirement (set thermostat at least 10 °F above room
temperature).
Fig. 30 Switching on heating system (with aquastat)
1 Main power switch
30
page 28). Wait five (5)
Logano G234X - Technical specifications are subject to change without prior notice.
6.4.2 Placing heating system with Logamatic
2000 control unit in operation
The boiler is fully functional with the factory-installed
aquastat. A Logamatic 2000 control unit can be installed
in addition to the factory-installed aquastat.
Suitable Logamatic 2000 control units can
be obtained from Buderus as accessories.
Use the on/off switch on the control unit to switch the
heating system on. The burner starts operating if heat is
required ( observe control unit service manual).
5. Make sure that heat is required at the control. To do
this, select "Manual operation" operating mode (hand
symbol) with the mode selector switch [1].
6. Switch on ON/OFF switch [2] ("ON" position).
After carrying out the instructions for starting
described below, the control unit must be set
to "AUT" operating mode (automatic
operation) with the mode selector.
Fig. 31 Turning on heating system (with Logamatic
2000 control unit)
1 Mode selection switch
2 Main power switch