21
INSTALLATION
BOILER CONFIGURATIONS C13 - C33
If comburent air is drawn from outdoors, the appliances are type
C "sealed" and the boiler room does not require ventilation.
C33
C13
C13
C13
C13 Concentric wall vent. Twin flue pipes can also be used,
but the wall through-pipes must be concentric or
located close enough to be subjected to similar wind
conditions.
C33 Concentric roof vent. Outlets as for C13.
9
See the specific standard for details.
Concentric flue pipes (Ø 80/125) - FRANCE ONLY
The boiler must be fitted with the relevant kit for use in these
configurations. (See the manual provided with the kit for instal-
lation instructions).
Coaxial flues can be oriented in whatever direction is most con-
venient for the room, provided the maximum specified lengths
are respected.
Connections in configuration C13
G
T
A
L
G
T
A
L
A Adaptor
G
Protective grille (not supplied)
T Terminal
L
Maximum straight length
(This length must be reduced by 1 metre for every 90°
curve and by 0.5 metres for every 45° curve.)
Description
GITRÈ 4
GITRÈ 5
GITRÈ 5 B/100
GITRÈ 6
L
6.5
7.0
7.5
m
Connections in configuration C33
1m
1m
A Adaptor
T Terminal
L
Maximum straight length
(This length must be reduced by 1 metre for every 90°
curve and by 0.5 metres for every 45° curve.)
Description
GITRÈ 4
GITRÈ 5
GITRÈ 5 B/100
GITRÈ 6
L
6.5
7.0
7.5
m
9
Use of flues longer than the specified maximum leads to a
loss of heat output from the boiler.
9
Never obstruct or choke the comburent air intake pipe.
