M
ANUAL
FOR
NOZ2 G
AS
-
FIRED
C
OMMISSIONING
Manual version 4.0 (06-12-2016)
en-33
en
3.4.5 Checking the flue gases
The unit has a sample aperture for checking the flue gases.
This is located on the connection of the flue pipe.
1. Measure the CO
2
value of the flue gases, and record them
for future reference.
Warning:
w
ALWAYS use a calibrated flue gas meter.
2. Verify that the measured CO
2
value corresponds to the
technical specifications of the unit.
Warning:
w
If the specifications do NOT match:
- Decommission the unit in accordance with
the instructions.
- Contact the supplier.
Danger:
d
NEVER try to adjust the gas burner, unless
you are instructed to do so by Biddle.
See also:
3.4.6 Adjusting the discharge range
Adjust the discharge speed so that it produces the most opti-
mal operation of the unit for the situation, both with and with-
out heating.
1. Ensure that the nozzles are adjusted to the correct angle,
as described in
2.6 Regulating the discharge direction
.
2. Via the clock thermostat, set the unit to operate without
heating.
3. Open the front panel.
- Remove the screws.
- Open the front panel. You can remove it, if so desired.
4. Adjust controller Rc to the lowest possible setting at
which the airflow still just reaches the ground. (Feel just
above the ground to see whether the airflow is reaching
the ground.)
Caution:
c
Do not turn the controller off.