Operating The Air Heater; Burner Cycle; Minimum Firing Time - Winterwarm Qwikshift QSG Installation Manual

Requirements for vertical piping:
• Maximum distance between brackets of 2 m.
• Spread the brackets evenly along the piping.
Always place a bracket on or near a bend or elbow piece,
except if the flue pipes before and after the elbow piece
are shorter than 0,25 m. In this case, fix the second
element after the elbow with a bracket.
Every flue discharge system needs to be secured with at
least one bracket. The first bracket needs to be within the
first 0,5 m of the air heater.

6. Operating the air heater

6.1. Burner cycle

The air heater's display of the gas booster shows the
current status of the burner cycle (figure 20).
Figure 20 - Display of the air heater
Display Status Description
0 Stand-by Waiting for heat demand.
1 Reset Software reset.
3 Pre-check Zero position check pressure
switch.
4 Pre-purge 30 seconds of pre ventilation
by the combustion fan. The
pressure switch is checked.
5 Pre-ignition Ignition without opening the
gas valve.
6 Ignition 5 seconds of ignition. The gas
valve opens.
7 Flame check The air heater checks if the
flame is present.
INSTALLATION MANUAL AIR HEATER TYPE QSG
When installing a flue system inside a shaft, do the
following:
1. Check the components for possible damage or
blockage.
2. Check that the pipe is at the right slope (see
Requirements).
3. Mark the flue pipes and fresh air pipes to avoid
mixing them up.
4. Make sure that the pipes extend for at least 50 mm
when passing through a wall or other obstacle.
5. Fix the last element before entering the shaft in
place. If the last element is an elbow piece, the
next element must also be fixed in place.
6. Check if ventilation openings and inspection
hatches comply with national and local regulations.
Display
8
9
10
11
P
F
Time
(seconds)

6.2. Minimum firing time

-
-
The heater will always fire for a minimum of 4 minutes,
-
even if the heat demand stops. This is to avoid a large
amount of start and stops and to prevent condensate from
30
accumulating in the flue system.
NOTICE
-
and gives an error.
-
-
Status Description
Burn The heater fires up and starts
to modulate.
Minimum Before the flame stops,
the burner will modulate to
minimum power.
Burner off The gas valve closes. The flame
stops.
Post purge Burner fan purges with fresh
air.
System fan cools the heat
exchanger.
Anti-shuttle The heater can not generate
a heat demand during this
period.
Ventilation Request to start (summer)
ventilation mode.
The heater will try to ignite 2 times before it stops
Time
(seconds)
240
-
-
30
18
-
17