9
Tec
hnical f
eatures
ENGLISH
2.2 - INTERNAL VIEw wITH THE INDICATION OF THE MAIN COMPONENTS
SPK 150
2
TECHNICAL FEATURES AND DIMENSIONS
2.1 - TECHNICAL FEATURES
NOTE!
Further details in the section
‘‘Technical Information’’ on the boiler
page of the www.unicalag.it website
SPK 230 - 300 - 400 - 500 - 600
KEY
No.
c.E.
S.E.
description
3
VG
Gas valve
5
Burner
10
tL
Limit thermostat Probe
11
Sm
Flow sensor
14
Boiler drain valve
18
FL - FH
Vm
Fan
19
AF-AS
PV
Flue gas pressure switch
27
E. RIL. detection electrode
28
E. Acc. Ignition electrode
32
Inlet flue inspection
33
Panel Board
53
PG
Gas pressure switch (* SPK 150)
54
Visual inspection glass
55
door insulation
56
Stainless steel vertical smoke pipes
with internal aluminium
57
technical water tank
58
SL
Level sensor
59
condensate collection pan
60
combustion chamber
61
Air/gas mixer
62
t.Acc Igniters
G
Gas inlet
m
Heating system flow
R
Heating system return
Sm
Air vent connection
Scond
condensate 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