Installation Manual
Wall Hung Boiler with D.H.W. Storage Cylinder Low Nox – Cod. 99881NA – July 2001
4
TYPE B WALL-MOUNTED
BOILERS
OPEN COMBUSTION CIRCUIT:
TYPE C WALL-MOUNTED
BOILERS
SEALEDCOMBUSTION CIRCUIT:
Kit A
Horizontal coaxial exhaust flue
system with 360° rotation.
It allows the flue exhaust and the
air intake directly to an external
wall. .
To insert a bend, reduce total flue
length by 0.8 m.
Kit B
Double exhaust/emission twin
flue system with 360° rotation.
It allows the flue exhaust into a
flue duct and the air intake directly
from an external wall.
To insert a bend, reduce total flue
length by 1.5 m.
R
RETURN ¾”
G
GAS ½”
C
HOT WATER ½”
F
COLD WATER ½”
A
HEATING FLOW ¾”
ATTENTION
: USE APPROVED TYPE FLUE TERMINALS ONLY WITH THE FLUE KIT
.
130
900
450
130
56
155
26
68
73
F
102
A
140
900
78
101
G
68
R
26
C
235
900
101
G
900
78
26
101
R
68
G
A
F
C
73 102 68
1003
80
68
R
56
155
26
450
=
1029
120
=
80
56
C
78
F
73
A
102 68
26
950
900
976
155
26
450
120
=
60
100
=
900
100
60
80
Summary of Contents for RMA
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