WarmFlow Utility Combi UC70HEE - Page 13

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4 GENERAL INFORMATION
4.1 Introduction
Note: All our domestic appliances have been independently tested and
accredited as exceeding the minimum SEDBUK efficiency levels required for
their type, in compliance with the Building Regulations Approved Document
L1A, L1B for England and Wales, the Building Standards (Scotland)
Regulations Section 6, Part F Northern Ireland and Part L Republic of
Ireland.
Warmflow oil fired condensing boilers are designed to burn Class C2 (28 sec
redwood) kerosene only and to be used on a fully pumped system, and are
suitable for connection to sealed heating systems.
As standard the Combi and System boilers are fitted with a system expansion
vessel, circulating pump, filling loop, pressure gauge and pressure relief valve. An
optional 7-day electronic programmer kit is also available for all Utility and Kabin
Pak boiler models.
The Combi can provide, at mains pressure, domestic hot water without the need
for a storage cylinder.
The manufacturer’s guarantees are void if the appliance is not installed and
commissioned in accordance with the recommendations made herein.
4.2 General Requirements
The installation of the boiler must be in accordance with the following regulations.
BS 5410-1: Code of practice for oil firing. Installations up to 45 kW output capacity
for space heating and hot water supply purposes.
BS EN 12828+A1: Heating systems in buildings. Design for water-based heating
systems.
BS EN 12831: Heating systems in buildings. Method for calculation of the design
heat load.
BS EN 14336: Heating systems in buildings. Installation and commissioning of
water based heating systems.
BS 7593: Code of practice for treatment of water in domestic hot water central
heating systems