Schematic - Reliance Radiance RAPID RTIU702 Series Installation And Maintenance Instructions Manual

Rapid Internal System Components (Schematic)
Key
1. Ball valve connections
1A - Primary flow (PF)
1B - Primary return (PR)
1C - Secondary flow (SF)
1D - Secondary return (SR)
1E - Domestic hot water (DHW)
1F - Boosted cold water (BCW)
2. Strainers
3. Diverter valve for DHW
4. Plate heat exchanger - heating
5. Circulation pump heating system
6. Heat meter (optional)
7. Differential pressure control valve
8. Thermostatic by-pass valve (optional)
9. Primary zone valve
10. Patented spring loaded, maintenance free expansion vessel
11. Overpressure relief valve with pressure gauge
12. Plate heat exchanger - DHW
13.Thermostatic mixing valve DHW (optional)
14. Flow sensor DHW
15. Thermostatic heating control valve (optional)
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