4
SECTION 3
GENERAL REQUIREMENTS (UK)
2.11
PUMP DUTY
Fig. 3 shows the flow rate available - after
allowing for pressure loss through the
appliance - for system requirements. When
using this graph apply only the pressure
loss of the system. The graph is based on
20 °C temperature differential.
Fig. 3
Flow rate (l/h)
Residual head (mbar)
1st speed
2nd speed
3rd speed
This appliance must be installed by a competent
person in accordance with the Gas Safety (Instal-
lation & Use) Regulations.
3.1
RELATED DOCUMENTS
The installation of this boiler must be in accord-
ance with the relevant requirements of the Gas
Safety (Installation & Use) Regulations, the local
building regulations, the current I.E.E. wiring regu-
lations, the bylaws of the local water undertaking,
the Building Standards (Scotland) Regulation and
Building Standards (Northern Ireland) Regulations.
Fig. 4
Key
Location
Minimum distance
A
Below an opening (window, air-brick, etc.)
300 mm
B
Above an opening (window, air-brick, etc.)
300 mm
C
To the side of an opening (window, air-brick, etc.)
500 mm
D
Below gutter, drain-pipe, etc.
75 mm
E
Below eaves
200 mm
F
Below balcony, car-port roof, etc.
1200 mm
G
To the side of a soil/drain-pipe, etc.
150 mm
H
From internal/external corner or boundary
300 mm
I
Above ground, roof, or balcony level
300 mm
J
From a surface or boundary facing the terminal
1200 mm
K
From a terminal facing a terminal
1200 mm
L
From an opening in the car-port into the building
1200 mm
M
Vertically from a terminal on the same wall
1500 mm
N
Horizontally from a terminal on the same wall
300 mm
P
From a structure to the side of the vertical terminal
500 mm
Q
From the top of the vertical terminal to the roof flashing
As determined by the fixed collar
of the vertical terminal
It should be in accordance also with any relevant
requirements of the local authority and the rel-
evant recommendations of the following British
Standard Codes of Practice.
3.2
LOCATION OF APPLIANCE
The appliance may be installed in any room or
internal space, although particular attention is
drawn to the requirements of the current I.E.E.
wiring regulations, and in Scotland, the electrical
provisions of the Building Regulations, with re-
spect to the installation of the appliance in a room