EXALT PROPANE TO NATURAL GAS CONVERSION INSTRUCTIONS
NOTICE
4.
Press the CENTER button while the FAN icon is
highlighted to manually fire the burner and power
the CH circulator. See Fig. 5.
An adequate CH load must be present to dissipate the heat
generated during the combustion test. If an adequate CH
load is not available, an indirect water heater can be used to
dissipate the heat by creating a DHW call which will enable
the DHW circulator.
5.
Press the RIGHT button to adjust the firing rate to
100% (high fire). Hold down the RIGHT button to
rapidly increase the firing rate.
6.
If the combustion levels during high fire are outside
the recommended combustion settings (see Table
1), adjust the THROTTLE SCREW (see Fig. 6) using a
flat-blade screwdriver as follows:
Counter-clockwise adjustment of the THROTTLE
SCREW at High Fire (100% firing rate):
O
2
decreases and CO
2
increases
Clockwise adjustment of the THROTTLE SCREW at
High Fire (100% firing rate):
O
2
increases and CO
2
decreases
7.
Once the combustion level is set at high fire,
manually place the boiler into low fire mode by
pressing the LEFT button to adjust firing rate down
to 1% (low fire).
8.
If the combustion level (O
2
or CO
2
) during low fire is
outside the recommended combustion settings in
Table 1 contact Ideal USA Technical Support.
9.
Press the CENTER button while the fan icon is
highlighted to shutdown the burner.
10.
Press the LEFT or RIGHT button to highlight the
home screen icon to exit the service mode.
11.
Replace the front panel and put the boiler back
into operation.
