25
5797 340 - 01
Vitoflex 300-RF Installation & Operating
Recirculation System
Mechanical
Legend
A
Vent piece with recirculation adaptor
B
Recirculation system damper
C
Threaded rod M12 39
e
in. (1000 mm)
D
Base plate M12 (x4)
E
Pipe clamp M12 (x4)
F
Pipe clamp fitting (x16)
G
Elbow 15º (x2)
H
Elbow 30º (x2)
I
Elbow 90º with cleanout (x3)
J
Pipe 9
7
/
8
in. (250 mm) (x3)
K
Pipe 19
f
in. (500 mm) (x3)
L
Pipe 39
e
in. (1000 mm) (x3)
M
Insulation (optional) (x5)
RD Recirculation pipe diameter, for Vitoflex 300-RF 150
and 220 is 3
d
in. (80 mm), for Vitoflex 300-RF, 400
and 540 is 5
d
in. (130 mm).
VD Vent pipe diameter, for Vitoflex 300-RF 150 and 220
is
9
7
/
8
in. (250 mm), for Vitoflex 300-RF is 11
7
/
8
in.
(300 mm), for Vitoflex 300-RF 400 and 540 is 13
7
/
8
in.
(350
mm).
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