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6.0 SYSTEM SCHEMATICS
Un-vented Pressurised System
To hot taps
Cold mains
1 Firebird condensing boiler
2 Unvented DHW tank
3 Temp. sensor (after heating)
4 2 way mixing valve
5 Solar collector
6 Collector temp. sensor
7 Pump station
7A Pressure relief valve
7B Expansion vessel
7C Intermediate vessel (if needed)
8 Controller
9 DHW tank sensors
Please Note:
The following system schematics are concept designs and are only intended as a
guide to installers. They are
NOT
full system design drawings. Installers must always
calculate and design the system requirements for each individual installation.
SYSTEM SCHEMATICS
