Glow-worm 24-38CXI Range - Manual (Page 12)

12 0020013349-02
1 Technical Information
Diagram 1.3
9165
SCHEMATIC LAYOUT OF BOILER
Certification
This boiler certificated to the current issue of EN 483 : 2000 for
performance and safety.
It is important that no alteration is made to the boiler, without
permission, in writing, from Glow-worm.
Any alteration that is not approved by Glow-worm, could
invalidate the warranty and could also infringe the current issue
of the Statutory Requirements.
1.3 Gas Supply
The gas installation must be in accordance with the relevant
standards.
In GB this is BS6891.
In IE this is the current edition of I.S.813 "Domestic Gas
Installations".
The supply from the governed meter must be of adequate size
to provide a steady inlet working pressure of 20mbar (8in wg) at
the boiler.
On completion, test the gas installation for soundness using the
pressure drop method and suitable leak detection fluid, purge
in accordance with the above standard.
1.4 Technical Data
All dimensions are given in millimetres (except as noted).
See diagrams 1.1 and Tables 1 and 2.
The data label is positioned on the inner door, refer to diagram
1.2.
The Seasonal Efficiency Domestic Boilers UK (SEDBUK) is
Class 'A' : 24cxi - 90.3%, 30cxi - 90.3% & 38cxi - 90.6%.
The value is used in the UK Government's Standard Assessment
Procedure (SAP) for energy rating of dwellings. The test data
from which it has been calculated has been certified by B.S.I.
1.5 Condensate Drain
A plastic drain pipe must be fitted to allow discharge of
condensate to a drain.
Condensate should, if possible, be discharged into the internal
household draining system. If this is not practical, discharge
can be made externally into the household drainage system or
a purpose designed soak away, see section 8.2 for more
details.
1.6 Upward Piping Kits
Where the domestic hot water and heating flow and return pipes
come from above the boiler or just the heating flow and return
pipes, upward piping kits are available to facilitate this.
Central Heating only, part No. A2051000
Central Heating and DHW, part No. A2050900
Contact Glow-worm for further details.
1.7 Optional Programmer Kit
An optional programmer for fitting in the boiler is available,
Pt. no. A20087 electromechanical or A20087 digital.
30 cxi
TABLE 2
MIN MAX
0.48 2.8
16.8 99
BURNER
%CO
2
APPROXIMATE
GAS RATE
(after 10 mins.
from cold)
m 3 /h
ft 3 /h
Case Off 9.1 +0.2 -0.5
Case On 9.3 +0.3 -0.5
24 cxi
MIN MAX
0.48 2.24
16.8 79
BURNER
%CO
2
APPROXIMATE
GAS RATE
(after 10 mins.
from cold)
m 3 /h
ft 3 /h
Case Off 9.1 +0.2 -0.5
Case On 9.3 +0.3 -0.5
38 cxi
MIN MAX
0.62 3.6
21.8 127
m 3 /h
ft 3 /h
Case Off 8.8 +0.2 -0.5
Case On 9.0 +0.3 -0.5
BURNER
%CO
2
APPROXIMATE
GAS RATE
(after 10 mins.
from cold)