Technical description of the burner
13
20106891
Three types of burner failure may occur:
Flame safeguard lock-out
If the flame safeguard alarm 6)(Fig. 4) lights up, it indicates
that the burner is in lock-out. To reset, press the reset push-
button.
Pump motor trip
release by pressing the push-button on thermal overload
17)(Fig. 4). See “Thermal relay calibration” on page 34.
3.8 Firing rate
Maximum output must be selected in the hatched area of the dia-
gram (Fig. 5).
Minimum output must not be lower than the minimum limit shown
in the diagram.
Tab. G
The firing rate area values have been obtained con-
sidering an ambient temperature of 68 °F, and an
atmospheric pressure of 394” WC and with the
combustion head adjusted as shown on page 23.
Model MBtu/hr
RLS 280/E 2.600
RLS 310/E 3.500
RLS 410/E 4.000
RLS 510/E 5.000
0
2
4
6
8
10
12
14
16
18
20
mbar
8
7
6
5
4
3
2
0
1
w.c.
0
5600
5200
4800
4400
4000
3600
3200
2800
2400
2000
1600
1200
800
400
0
6000
MBtu/hr
kW
2000 4000 6000 8000 10000 12000 14000 16000 18000 20000
22
Fig. 5
RLS 510/E
Burner power output
Combustion chamber pressure
Firing rate for C-ETL Canadian Listing
20116003
RLS310/E
RLS 410/E
RLS 280/E