Cylinder Schematic S-Plan - BSS Audio BOSS 100 Installation & Maintenance Manual

Direct, indirect & solar unvented cylinder
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Cylinder Schematic
Mechanical Diagram S-Plan
5
Cold Main
Balanced Cold
Connection
6
Secondary
Return
1
2
1
Bronze Pump (not supplied)
2
Non Return Valve (not supplied)
3
Inlet Control Group
4
Temperature & Pressure Relief Valve
5
Isolation Valve (not supplied)
6
Exp. Vessel with Wall Bracket
7
2-port Zone Valve (one only supplied)
9
Drain Valve (not supplied)
10 Tundish
11 Heating Circ. Pump (not supplied, required with heat only boiler)
30
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3
4
Dual
Stat
10
9
Hot Water Outlet
High Limit
Stat
Boiler Prim. Flow
7
7
Boiler Prim. Return
11

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