3.4 Components and connections - PE1 Pellet 7-20 Unit
No.
Description
Unit
PE1 Pellet
7-10
15-20
1
System expansion flow connection
Inches
1 IT
2
System expansion return connection
1 IT
3
Drainage connection (with optional hydraulic
unit designed as a boiler filling and drainage
system)
1/2 IT
4
Flow and return connection for heating circuit 1
(heating circuit group with high efficiency pump
and mixing valve)
1 ET
5
Flow and return connection for additional
heating circuit group
1 IT
6
Line regulating valve
7
Safety group with pressure gauge for system pressure, quick vent valve and safety
valve
8
Expansion tank (in hydraulic block)
Litres
18
24
9
Connection, hot water for the tank unit
Inches
3/4 ET
10
Connection, circulation line
3/4 ET
11
Connection, cold water supply of the tank unit
3/4 ET
12
Drainage connection for the tank unit (boiler
filling and drainage system are not included in
delivery)
1/2 IT
13
Connection for E-cartridge
6/4 IT
14
Maintenance flange with insulated magnesium protective anode
Technology
3
Components and connections - PE1 Pellet 7-20 Unit
Installation Instructions PE1 Pellet 7-35 | M1441017_en
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