Overall Dimensions; Joints; Mounting The Boiler - Biasi BASICA COND 28S User Manual And Installation Instructions

6.4

Overall dimensions

The boiler respects the following dimen-
sions:
B
Ø80
Ø100
167
400
60 115
25
D
200
G H
117 129
E
F
53
Fig. 6.2
A Flue outlet / air intake pipe (co-axial
Ø 100/60)
B Flue outlet pipe Ø 80 mm (twin kit)
C Air intake pipe Ø 80 mm (twin kit)
D Bracket
E Electric connections area
F Condensate drain connection area
G C.H. flow
H Gas
I C.H. return
INSTALLATION
A
Ø80
C
149
139
247
A
B
115
25
G
I
H
100
110
I
300
200
6.5

Joints

The boiler uses the following fittings:
Functions
Gas, C.H. return, C.H. flow
Pressure relief valve
Condensate drain
sizes in mm o.d.
C
Condensate drained with Ø 21.5 mm
solvent weld pipe
6.6

Mounting the boiler

• Take the protective caps off the boiler
pipework.
• Thoroughly clean the connections.
• Fix the C.H. valves "K" to position "G" and
"I" (Fig. 6.2) using the ¾" gaskets.
• Fix the gas cock "L" to position "H" (Fig.
6.2), using the ¾" gasket.
• Fix the Ø 22 mm copper pipes "J" to the
valves "K – L" using the ¾" gaskets.
J
Fig. 6.3
• Connect the pipe 6 (Fig. 6.4) from the
pressure relief valve to the safety dis-
charge pipework.
• Fit the condensate drain 3 (Fig. 6.4) in to
the drainage pipework.
• See also section "Condensate drain" on
page 30 in this manual.
Pipe sizes
(o.d)
Ø 22 mm
Ø 15 mm
Ø 20 mm
(rubber)
J
L
K
K
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