Installation Instruction - emmeti ETW Serie Manual De Instalación

2. INSTALLATION INSTRUCTION

INSTALLATION INSTRUCTIONS
What follows is determinant for the validity of warranty.
1. The installation must:
- Be executed by a qualified installer.
- Be provided, where necessary, with a water-reducing pressure in
entrance.
- Be provided with a safety valve set according for the maximum
system pressure (eg. 3.0 bar).
- Be provided with an expansion tank proportioned to the puffer's
dimensions (you are advise to let the circulation be made by a thermo
technician).
2. Before starting it you are invited to check the clamping of all the
screws of the flange.
3. The temperature of the content of the boiler must always be under
90°C.
4. Each year an internal cleaning must be executed.
DIMENSIONING OF THE EXPANSION TANK:
Operating Operating Operating
Model Temp. Temp. Temp.
40°C 50°C 60°C
ETW
0.5 0.8
25
ETW
1.1 1.8
60
ETW
2.5 3.9
120
ETW
4.1 6.4
200
ETW
5.5 8.7 12.4
280
Pressione massima di esercizio accumulo
Temperatura massima di esercizio del bollitore
GB GB
Operating Operating Operating
Temp. Temp. Temp.
70°C 80°C 90°C
1.1 1.4 1.9 2.3
2.6 3.4 4.4 5.4
5.5 7.5 9.5 11.7
9.1 12.2 15.6 19.4
16.6 21.3 26.4
6 bar
95°C
7