Unical ALKON 100, Installation And Servicing Manual

Page: 47 / 76

11
Tec
hnical Features
ENGLISH
KEY
N° C.E. S.E.
Description
1 db SS Domestic hot water temperature
sensor
(N.U.)
2 FLS Flow switch with cold water filter
(N.U.)
3 VG Gas valve
4 Fd E.
ACC
/RIL
Ignition/detection electrode
(N.U.)
5 Burner
6
Combustion chamber
(N.U.)
7 AF TF Flue gas anti-overflow thermostat
(N.U.)
8 Expansion vessel
(N.U.)
9 FR
HT
Heat exchanger
(N.U.)
10 HL TL Safety thermostat
11 Hb SR
Heating temperature sensor
(1)
(2)
12 Ht P
Pump
13 Lp DK Water deficiency pressure switch
14
Boiler drain valve
15 Boiler drain valve
(N.U.)
16
Filling valve
(N.U.)
17 Plate heat exchanger (N.Uu)
18 FL
FH
VM Fan
19 AF
AS
PV Flue gas pressure switch
20 Safety valve
21
Automatic by-pass
(N.U.)
22 rb SRR Return temperature sensor
23 tf TLC
Flue gas collector safety thermo-
stat
(N.U.)
24 Aluminium Heat Exchanger/
Capacitor
25
Vent valve
26 Condensation drain trap
27 E.
RIL.
Detection electrode
28 E.
ACC.
Ignition electrode
29 Return shut-off valve
30 SMG Sensor Flow General
31 Condensation drain trap
32 Outlet flue inspection
33 Heatthing Controller HSCP
34 Gas cock
35 Ignition Trasformer
36 Non return valve
C
Domestic hot water outlet
(N.U.)
G Gas inlet G 1’’
F Cold water inlet
(N.U.)
M Heating system flow G 2’’
R Heating system return G 2’’
Rc Filling valve
(N.U.)
Sc
Boiler drain
(N.U.)
Svs Safety valve drain
(N.U.)
S
cond Condensation drain
DN 32
C.E. = ERROR CODES see par. 4.6
S.E. = WIRING DIAGRAM
KEY see par. 4.5
(N.U) Component not used