Glow-worm 56-2 Back Boiler - Manual (Page 5)

5 221781A
1 General
CE Mark
The CE mark on this appliance shows compliance with:
1. Directive 90/396/EEC on the approximation of the Laws of
the Member States relating to appliances burning gaseous
fuels.
2. Directive 73/23/EEC on the harmonization of the Laws of the
Member States relating to electrical equipment designed for
use within certain voltage limits.
3. Directive 89/336/EEC on the approximation of the Laws of
the Member States relating to electromagnetic compatibility.
_________________________________________
This boiler is exempt from the general requirements of the Boiler
(Efficiency) Regulations (1993) and Directive 92/42/EEC by
reason of its conformity to Schedule 3.I.7 of those Regulations
and Article 4.3 of that Directive.
_________________________________________
1.14 Inhibitor
Attention is drawn to the current issue of BS5499 and BS7593
on the use of inhibitors in central heating systems.
If an inhibitor is to be used, contact a manufacturer for their
recommendations as to the best product to use.
If using in an existing system take special care to drain the entire
system, including the radiators, then thoroughly cleaning out
before fitting the boiler whether or not adding an inhibitor.
2.1 With Non-combustible Hearth
The back boiler must be installed level with the hearth or above
it, see diagram 2.1.
For minimum dimensions of a hearth see diagram 2.1.
2.2 Combustible Hearth
If the hearth is existing and made of a combustible material the
back boiler must be installed to the dimensions in diagram 2.2.
2.3 With Surround
The combined thickness of the surround and lintel must be
checked, to make sure that the back boiler can be positioned
within the opening to allow easy connection of the flue into the
back boiler flue socket, see diagram 2.3.
The surround requires a minimum opening for access as shown
in diagram 1.2.
2.4 Wall Mounted - that is - Without Surround
or Hearth
If there is to be any combustible material beneath the fire front,
for example, carpet then the base of the builder’s opening must
not be less than 75mm above the floor covering as shown in
diagram 2.2.
Diagram 2.3 LINTEL DIMENSION Diagram 2.1
INSTALLATION WITH
HEARTH (NON-COMBUSTIBLE)
Diagram 2.2
COMBUSTIBLE HEARTH / WALL
MOUNTED INSTALLATIONS
1591
1590
FIRE FIXING WALL FACE
350mm
MIN.
TOP OF HEARTH
MUST NOT BE ABOVE
PREPARED BASE
13mm MIN NON-
COMBUSTIBLE
MATERIAL
50mm
MIN.
PREPARED BASE
350mm
MIN.
FIRE FIXING
WALL FACE
N.B. *Minimum dimension.
This dimension refers to
minimum clearance after
carpet or any floor
covering has been fitted.
PREPARED BASE
TOP OF
CARPET,FLOOR
COVERING OR
COMBUSTIBLE
HEARTH
*75mm
FLUE PIPE
MIN. 48mm
MAX. 73mm
FIRE FIXING
WALL FACE
* 165mm
N.B. *This dimension can
be increased up to 190mm
if builders opening depth
is at least 375mm deep.
1589
The builder’s opening, with lintel must have minimum dimensions
as shown in diagram 1.2 and 2.3.
2 Types of Installation