Installation; Regulations; Transport; Installation Site - Reflex Storatherm Aqua 300-2 Manual De Instalación Y Mantenimiento

Installation

3 Installation
3.1

Regulations

The following standards, regulations and guidelines must be observed for installation and operation:
• DIN EN 806 / DIN EN 1717 / DIN 1988 / DIN 4708 / EN 12975
• DVGW (German Technical and Scientific Association for Gas and Water) work sheet W 551 / work sheet W 553
• EnEG (German Energy Conservation Act) / EnEV (German regulation on energy-saving thermal insulation and systems engineering in buildings)
• Local regulations
• VDE (German Association for Electrical, Electronic & Information Technologies) regulations
3.2

Transport

The heater must never be transported to the installation site in a horizontal position. Observe the instructions on the packaging! Do not remove the
heater from the packaging until it is at the installation site. Take great care when moving the heater during transport and always place it down gently.
3.3

Installation Site

Install the heater in a frost-proof room. Install the heater on a level and stable floor. If the room is damp, raise the heater on a platform. If the heater is to
be installed below the rooftop, you may want to install a water collection tank with the same capacity as the heater.
3.4

Connection Diagram

Fittings required
1 Cutoff valve
Pressure reducing valve (if the network pressure is over 10 bar
2
and the house connection does not already feature a pressure
reducing valve)
3 Test valve
4 Non-return flap
5 Pressure gauge connection with pressure gauge
6 Cutoff valve
7 Safety valve (max. 10 bar discharge, vent every three months)
8 Discharge funnel
9 Drainage valve
10 Sanitary expansion vessel
11 Circulation pump
For the connection description, refer to see chapter 2.3 "Construction and Fitting Dimensions" on page 4 .
3.5

Assembly

Internal circulation should be avoided. The pipe routings in all heater circuits should be designed such that internal circulation is avoided. It is
recommended that a nonreturn valve or non-return flap with backflow preventer is integrated into all heater circuits.
3.5.1

Heating Water Connection

Connect the heating coil in the counter current operation. Do not invert the supply and return connections. Keep the charging line as short as possible
and insulate it well. Arrange the drain valve in the charging line.
6 — English Indirectly fired hot water heater — 06.2017