Introduction; Health & Safety Information - Potterton Powermax HE 85 Litre Installation And Servicing Instructions

Introduction

Important - Installation, Commissioning, Service &
Repair
This appliance must be installed in accordance with the
manufacturer's instructions and the regulations in force.
Read the instructions fully before installing or using the
appliance.
In GB this must be carried out by a competent person as
stated in the Gas Safety (Installation & Use) Regulations.
Definition of competence: A person who works for a CORGI
registered company and holding current certificates in the
relevant ACS modules, or valid ACoP equivalents, is
deemed competent.
In IE this must be carried out by a competent person as
stated in I.S. 813. "Domestic Gas Installations".
Read the instructions fully before installing or lighting the
boiler. See also the separate Installation Instructions for the
Powermax HE Flue (Part No. 5106227).
Powermax HE is a floor standing condensing combination
boiler which incorporates a hot water store to provide
domestic hot water (DHW) and central heating (CH). The
DHW temperature is user adjustable (e.g. for summer/winter
operation). Operation is automatic and the fully modulating
pre-mixed burner ensures that gas is burned cleanly and
efficiently within the condensing heat exchanger. An
advanced burner control includes flame monitoring,
pressure monitoring and other safety features, plus status
and diagnostic displays which are large and easy to read.
A small diameter twin pipe flue system has been designed
for a length of up to 12.0 metres (including the separate flue
and air terminals) through which to draw inlet air and expel
exhaust gases. The standard concentric terminal suits a wall
thickness of 300 mm to 500 mm.
Installation of this boiler as an unvented hot water system
falls within the scope of the Building Regulations 1995 (Part
G). These require that installation of an 'unvented' system
shall be notified to the local authority Building Control
Department; also that the work must be carried out by a
competent person as defined in the Approved Document G3.
The above requirements do not apply if hot water is obtained
via an open vented feed tank.
Samples of the Powermax HE gas boilers have been
examined by Advantica Technologies Limited, a United
Kingdom Notified Body. The range is certified to comply with
the essential requirements of the Gas Appliance Directive
90/396/EEC, the Low Voltage Directive 72/23/EEC and
shows compliance with the Electro Magnetic Compatibility
Directive 89/336/EEC, the Boiler Efficiency Directive
92/42/EEC and are therefore permitted to carry the CE
Mark.
6
Introduction
Operation
The boiler control works on the principle of "hot water
priority" so the central heating output may be
temporarily delayed if the hot water temperature
drops below the selected
drawing a hot bath. The selected temperature is user
adjustable in the range 45° to 65 °C
To suit conventional radiator based central heating
systems, the boiler will normally provide a flow
temperature of around 80 °C. The boiler control
automatically responds to lower central heating loads
by reducing the boiler output (which saves wasteful
on-off cycling).
This boiler must be installed into a sealed
(pressurised) primary system.
Provision is made for fitting both room and frost
thermostats if required. Note: The boiler has its own
in-built frost protection which will seek to prevent the
boiler temperature dropping below 5 °C
For summer operation the user can switch off the
central heating at the control panel.
Visible Pluming
The efficient condensing operation of Powermax HE
will naturally cause condensate to form in the flue
pipe and pluming of the condensing gases will be
visible during all but the most favourable atmospheric
conditions. In installations with long flue runs, some
condensate may be discharged from the terminal. The
flue terminal must, therefore, be sited to avoid
nuisance from either phenomenon.
Delivery & Kits Available
Powermax HE boilers are delivered in three packages
(1) the heat engine and unvented accessory kit, (2) the
hot water cylinder and (3) the flue kit. The flue kit must
be ordered/specified additionally to the boiler.
Health and Safety Information for the Installer
and Service Engineer
Under the Consumer Protection Act 1987 and Section
6 of the Health and Safety at Work Act 1974, we are
required to provide information on substances
hazardous to health.
This boiler does not contain substances harmful to
health; it does not contain asbestos. Small quantities of
adhesives and sealants used in the product are cured
and present no known hazards.
temperature e.g. after
Publication No. 5106226