
8
2
TECHNICAL CHARACTERIsTICs AND
DIMENsIONs
2.1 - TECHNICAL CHARACTERIsTICs
2.2 - vIEw wITH THE INDICATION OF THE MAIN COMPONENTs AND DI-
MENsIONs
NOTE!
Further details in the ‘‘Technical
Information’’ section on the boiler
page of the www.unicalag.it website
KEY
No.
W.D. Description
1
Manual air relief valve
2
S3
Cylinder sensor pit
3
150-litre water cylinder
4
Integration heating element
pit
5
Solar panel return thermom-
eter / tap
6
Solar Control Unit
7
Thermostatic mixing valve
8
Solar circuit pressure gauge
9
6-litre expansion vessel
10
18-litre expansion vessel
11
Pre-sheared cap for Supply
cable outlets - relay kit - inte-
gration heating element kit.
12
Pre-sheared cap for Solar
system Flow/Return outlets
13
Cylinder drain valve
14
S2
Cylinder sensor pit
C
(cyl)
Domestic hot water
outlet
G ½
C
*
(boil)
(mix)
Hot inlet from boiler
(integration)
G ½
F
*
(boil)
Cold water inlet to
boiler (integration)
G ½
F
(acq)
Aqueduct cold water
inlet
M
(ss)
Solar system flow
G ¾
R
(ss)
Solar system return
G ¾
Svb
Cylinder safety drain valve
Svs
Solar system safety drain
valve
W.D. = WIRING DIAGRAM KEY
see para. 4.5
*
LOOP pipe to be removed if the ap-
pliance is connected to an integration
boiler.