Riello RLS 300/E, Инструкции по установке, использованию и обслуживанию, Страница: 14 / 60

20036644
12 GB
Technical description of the burner
3.7.1 Panel board description
1 “OFF - LOCAL - REMOTE” switch
2 “POWER ON” signal
3 “CALL FOR HEAT” signal
4 “OIL - OFF - GAS” switch
5 “FUEL ON” signal
6 “ALARM SILENCE” button
7 “BURNER LOCK-OUT and RESET” pushbutton
8 Low air pressure switch
9 Operator panel with LCD display
10 Burner terminal board “X1”
11 Control box for checking flame and air/fuel ratio
12 Ignition transformer “TA”
13 Control box transformer
14 Step-down trasnformer (available)
15 Terminal strip “X2”
16 Fan motor contactor and thermal relay with reset button
17 Pump motor contactor and thermal relay with reset button
18 Bracket for shielded cables with thumbscrew
Warning: used only to avoid a break in the cable’s shielding,
hence do not overtighten.
19 Contactor with auxiliary contact for star/delta start (only for
star/delta version)
20 Auxiliary fuse
21 DIN bar for: relay, fuse holder and terminal strip “XAUX”
22 Horn
23 ”K1” relay
24 “K3” relay
25 “K5” relay
26 “K2” relay
27 Transformer, available for additional actuator or O
2
control
28 “KO” relay
29 “KG1”relay
30 DIN bar for “X2” terminal strip, thermal relays and contactors
31 Star/delta starter timer (only for star/delta version)
32 Holes for cables grommets for electrical wirings, accessories
and power supply (to be carried out by the installer)
33 Plug/socket for maximum pressure switch
34 Plug/socket for air actuator
35 Plug/socket for QRI flame sensor
36 Terminal strip “XAUX”
37 “KG2” relay
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.

Fan motor trip
release by pressing the push-button on thermal overload
16)(Fig. 4). See “Thermal relay calibration” on page 36.

Pump motor trip
release by pressing the push-button on thermal overload
17)(Fig. 4). See “Thermal relay calibration” on page 36.
*
33
34
35
31
19
8
30
*
32
18
15
17
16
10
32
1
2
3
4
5
6
7
14
9
20
11
36
28
29
21
23
24
25
13
27
12
22
26
37
Fig. 4
D11175
STAR/DELTA START DIRECT START
WARNING
The connection of the inverter and O
2
kits must be
carried out by the client / installer following the in-
structions (electrical drawing) provided with the
burner and the kits.