Publication No. 5106226
7
Condensate
Trap
3 Way
Diverter Valve
Flow Sensor
Combustion
Analyser
Test Point
Flue
Air
Automatic Bypass
Return Sensor
Primary Expansion Vessel
Automatic Air Vent
Gas
Valve
Isolation Valve
Isolation
Valve
Pump
Primary
Relief
Valve
Heat Exchanger
PRV & Strainer
Tundish
Tundish
Gas
Gas Cock
D.H.W. Sensor
Hot Water
Cylinder
CH
Return
CH
Flow
Schematic Diagram
Filling Loop
Double
Check
Valve
DHW
Cold Main
COLD
(balanced pressure to shower)
Stopcock &
Checkvalve
Secondary
Relief
Valve
Secondary
Expansion
Vessel
Fan
A B
Inlet
Control
Group
T.P.R.V.
MAX0009A
Codes of Practice
The appliance is suitable only for installation in GB and IE
and should be installed in accordance with the rules in
force.
In GB, the installation must be carried out by a CORGI
Registered Installer. It must be carried out in accordance
with the relevant requirements of the:
•
Gas Safety (Installation & Use) Regulations.
•
The appropriate Building Regulations either The
Building Regulations, The Building Regulations
(Scotland), Building Regulations (Northern Ireland).
•
The Water Fittings Regulations or Water Byelaws in
Scotland.
•
The Current I.E.E. Wiring Regulations.
Where no specific instructions are given, reference
should be made to the relevant British Standard Codes of
Practice.
In IE, the installation must be carried out by a Competent
Person and installed in accordance with the current
edition of I.S. 813 "Domestic Gas Installations", the
current Building Regulations and reference should be
made to the current ETCI rules for electrical installation.
Fig. 4
Introduction
In GB the following Codes of Practice apply:
Standard
Scope
BS6891
Specification for low pressure gas pipework
in domestic premises.
BS5440 Pt.1
Specification for installation of flues.
BS5440 Pt.2
Specification for installation of ventilation for
gas appliances (except that compartment
ventilation is amended in section 8 of these
instructions).
BS5546
Specification for installation of gas hot water
supplies.
BS5449
Specification for forced circulation hot water
central heating systems.
BS6798
Specification for installation of gas fired hot
water boilers of rated input not exceeding
70kW.
In IE:
I.S. 813 Domestic Gas Installations.
The following BS standards give valuable additional information:
BS6891
Specification for low pressure gas pipework
in domestic premises.
BS5546
Specification for installation of gas hot water
supplies.
BS5449
Specification for forced circulation hot water
central heating systems.