Firebird Condensing Boiler
4
21
4.4 - BOILER PIPING
Boiler Piping
Firebird’s trim accessories should be installed in the locations indicated in the diagram on page 5 of this manual. Metal Supply
and Return piping can be installed into the upper and lower tappings on either side. Air elimination must be provided from an
air scoop or air separator. It is preferred to circulate away from the air eliminator and properly sized expansion tank. A backflow
preventer and boiler autofill must be installed on the boiler return manifold as shown. Zoning for the system may be done
using zone valves with adequate CV or individual zoned circulators which are correctly sized so the boiler is not over pumped.
Each zone should be equipped with a purging station for zone isolation and air elimination on initial filling.
HIGH TEMPERATURE HEATING SYSTEMS
If it is possible on a high temperature system, more radiation or lower temperature emitters should be installed to enhance
the performance of the Firebird boiler. Even while working on a high temperature system, the Firebird boiler will supply
operating efficiencies above 90%.When replacing an older style boiler, it is important to make sure that the system has been
properly flushed of all debris and contaminants remaining from the previous system. To ensure the highest possible system
efficiency it is recommended to perform a chemical flush of the entire system. Since there is little concern of low return water
temperatures with a high temperature system, it is acceptable to use supply return piping without any bypass piping. Once
the system has been filled it is required to install the X100 corrosion inhibitor supplied with the boiler. Failure to install the
X100 corrosion inhibitor will void the warranty of the boiler.
The following piping diagrams show basic layouts for proper installation of the boiler. These layouts are
not the only acceptable manner in which the boiler can be piped, but are supplied as a guideline.
4
1
2
3
5
6
87
910
11
13
14
12
15
High Temperature Central Heating System
Legend
1 - Pressure Relief Valve
2 - Tridicator
3 - High Limit Control
4 - Air Elimination
5 - System Circulator
6 - Zone Valves
7 - Purging Stations
8 - Expansion Tank
9 - Back Flow Preventer / Auto Fill
10 - Ball Valve (to shut auto fill)
11 - Boiler Stand (optional)
12 - Condensate Trap
13 - Boiler Drain
14 - Condensate Neutralizer
15 - Condensate Drain
(piped to drain or pump)
16 - Boiler protection mixing valve
17 - Boiler Circulator
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