DORCHESTER DR-LA 110, User Manual

Page: 17 / 64

Introduction
Instruction manual DR-LA 17
is
3 Installation
Warning
The installation should be carried out by an approved installation engineer
in compliance with the general and local regulations imposed by the gas,
water and power supply companies and the fire service.
The water heater may only be installed in a room which complies with the
requirements stated in national and local ventilation regulations.
Refer also to paragraph 1.3 Regulations and documents .
3.1 Introduction
This chapter describes the installation activities to be carried out before the
water heater may be started up, namely:
•
Packaging ;
• Environmental conditions ;
• Technical specifications ;
• Water connections, Unvented ;
• Water connections, Vented ;
• Gas connection ;
• Flue gas discharge ;
• Electrical connection ;
• Checking the supply pressure and burner pressure ;
• Conversion to a different gas category .
n
Caution
Starting up the water heater is described in chapter 7 Starting up and
shutting down .
3.2 Packaging
To avoid damaging the water heater, remove the packaging carefully. We
recommend unpacking the water heater at or near its intended location.
c
Note
The water heater may only be manoeuvred in an upright position. Take care
that the water heater is not damaged after unpacking.
3.3 Environmental
conditions
c
Note
The water heater may not be used in rooms where chemical substances are
stored or used due to the risk of explosion and corrosion to the water heater.
Some propellants, bleaching agents, degreasing agents etc. disperse
vapours which are explosive and/or which cause accelerated corrosion. If
the water heater is used in a room in which such substances are present,
the warranty will be void.
DR-LA water heaters are open water heaters and may only be placed in an
open boiler room. They fall under category B
11BS
.
is