TEMPRA 24
3
1. DESCRIPTION
1.01 Introduction
The
Tempra 24
is defi ned as a “room sealed” boiler, all air required for combustion is taken from outside the
room in which it is installed. It is a new high performance gas fi red heat generator for central heating. A special
feature of this boiler is its built-in electronic fl ame ignition and control unit making burner operation completely
automatic and safe. The main components are as follows:
• Copper heat exchanger consisting of four fi nned tubes specifi cally shaped for high effi ciency.
• Ceramic fi bre insulated combustion chamber
• 12 stainless steel bladed burners specifi cally designed for this boiler.
• Fan for discharge of combustion products and intake of combustion air.
• Differential air pressure switch. For safety reasons, this ensures the burner ignites only when the fan
is functioning correctly.
• Hermetically sealed compartment made from corrosion-resistant steel enclosing the above components.
• Combination gas safety valve with modulator, complete with pressure stabiliser.
• Pressure relief valve for the central heating circuit set to open at 3 bar.
• Built-in Expansion vessel.
• Variable speed pump.
• Central heating fl ow temperature adjustment thermostat.
• Central heating limit thermostat.
• Overheat safety thermostat.
• Electronic control unit for automatic fl ame ignition and control.
• Central heating fl ow temperature sensor.
1.02 Instructions and regulations
Assembly, installation, fi rst start up and maintenance must be carried out by competent persons only, in accordance
with all current technical regulations and directives.
c.o.s.h.h.
Materials used in the manufacture of this appliance are non hazardous and no special precautions are
required when servicing.
3Related Documents
Related documents
This appliance must be installed strictly in accordance with these instructions.
The Gas Safety Regulations (Installations & Use).
The Local Building Regulations.
The Building Regulations.
The Buildings Standards (Scotland - Consolidated) Regulations.
British Standards Codes of Practice:
B.S. 7593
TREATMENT OF WATER IN DOMESTIC HOT WATER CENTRAL HEATING SYSTEMS
B.S. 5546
INSTALLATION OF HOT WATER SUPPLIES FOR DOMESTIC PURPOSES
B.S. 5440 Part
1
FLUES
B.S. 5440 Part 2
AIR SUPPLY
B.S. 5449
FORCED CIRCULATION HOT WATER SYSTEMS
B.S. 6798
INSTALLATION OF GAS FIRED HOT WATER BOILERS
B.S. 6891
GAS
INSTALLATIONS
B.S. 7671
IEE WIRING REGULATIONS
B.S. 4814
SPECIFICATION FOR EXPANSION VESSELS
B.S. 5482
INSTALLATION OF LPG
Model Water Bye Laws
For Northern Ireland the rules in force apply
