Excel HE C24 User Manual page 10

2 BOILER DIMENSIONS, SERVICES & CLEARANCES
The following minimum clearances must be maintained for
operation and servicing.
Additional space will be required for installation, depending
upon site conditions.
Side and Rear Flue
a. Provided that the flue hole is cut accurately, e.g. with a core
drill, the flue can be installed from inside the building
where wall thicknesses do not exceed 600mm (24").
3
10 ( / ") 10 (
8
1
470 (18 / ")
2
33
3
(1 / ")
8
CH Flow
Pressure Relief Outlet
DHW Outlet
Front clearance
The minimum front clearance when built in to a
cupboard is 5mm (1/4") from the cupboard door but
450mm (17 3/4") overall clearance is still required,
with the cupboard door open, to allow for servicing.
*
Bottom clearance
Bottom clearance after installation can be reduced to 5mm.
However, 100mm must be available for servicing.
excel HE -
Installation and Servicing
GENERAL
3
/ ")
8
450 (17
from case
331 (13")
200 (8") **
100 (4")*
35 62 53 65 60 25
3 1 1 5 1
(1 / ") (2 / ") (2 / ") (2 / ") (2 / ") Condensate
8 2 8 8 2
Drain
CH Return
DHW Inlet
Gas Inlet
all dimensions in mm (in)
Where the space into which the boiler is going to be
installed is less than the length of flue required the flue
must be fitted from the outside.
Installation from inside ONLY
b. If a core boring tool is to be used inside the building the
space in which the boiler is to be installed must be at least
wide enough to accommodate the tool.
5
320 (12 /
1
/ ")
2
3 177 (7")
119 (4 / ")
4
800
1
(31 / ")
2
C L
of
water & gas
connections
109
(4
SIDE FLUE ONLY **
Horizontal length of flue
from boiler to
outside wall
C24 C28 C32
0.5 m 0.5 m 0.5 m
1.0 m 1.0 m 1.0 m
1.5 m 1.5 m 1.5 m
2.0 m 2.0 m 1.725 m 250 mm (9
2.5 m 2.5 m N/A
3.0 m 2.675 m N/A
REAR FLUE ONLY **
MIN. Top clearance required = 200 mm (8")
")
8
Flue
terminal
C L
of
condensate
drain
35
(1 3 / ")
8
1
/ ")
4
Top clearance
required (MIN.)
Dim. A
200 mm (7 ")
7/8
200 mm (7 )
7/8"
230 mm (9")
")
13/16
260 mm (10 1 ")
/4
280 mm (11")
9