22
Instructions for the installer
3.10 - MIXING HEADER
n order to ensure correct boiler operation it is necessary to use
a mixing header which guarantees:
-
the separation and collection of circuit dirt
-
optimal air venting
-
hydraulic de-coupling of the two hydraulic circulation
circuits
-
balancing of the circuits
mod.
Ø
EXT 100-150
DN 50
EXT 200-250
DN 50
EXT 300-350
DN 50
Recomended installation
Mixing HeaderModulex Ext 100 - 350
cod. 00361976
M = DN 100 - (G 4’’)
R = DN 100 - (G 4’’)
3.11 - MIXING HEADER FILTER
UNICAL suggests the installation of a Y filter
on the return pipe so that it can be cleaned if
necessary.
This filter will protect the boiler from the heating
system dirt.
Boiler
Circuit
Heating
System
Circuit
Summary of Contents for MODULEX EXT 150
Page 1: ...E N G L I S H 100 150 200 250 300 350 INSTALLATION AND SERVICING INSTRUCTIONS MODULEX EXT...
Page 32: ...32 Instructions for the installer THERMOSTAT FBR 2 CONNECTION room sensor...
Page 33: ...33 Instructions for the installer MODULATING THERMOSTAT CONNECTIONS...
Page 35: ...35 Instructions for the installer...
Page 37: ...37 Instructions for the installer Sensor terminal assignments Terminal assignments BCM...