MEGAFLO Eco - Page 14

Unvented Hot Water Cylinder
14
INSTALLATION AND
COMMISSIONING INSTRUCTIONS (2)
MEGAFLO Eco
Balanced cold water draw-off
8 bar Pressure Relief Valve (combined Expansion Relief Valve / Check Valve)
3 bar Pressure Reducing Valve incorporating Pressure Reducing Valve, Strainer, and Check Valve. (Stop cock can be fitted here)
MCWS to Kitchen (unbalanced cold mains supply)
Mains Cold Water Supply
KEY MCWS = Mains Cold Water Supply HWS = Hot Water Service SC = Stop Cock / Isolating Valve DOC = Drain Off Cock
Discharge pipe to atmosphere (see page 18 “Discharge Pipework”
Isolating / Regulating Valves, as required
Temperature and Pressure Relief Valve
HWS supply
Balanced HWS and MCWS to bathrooms, showers, cloakrooms, etc
DOC DOC
DOC
DOC
SC
SC
Tundish
Figure 7 - Schematic installation diagram using 3 bar Pressure Reducing
Valve in conjunction with 8 bar Pressure Relief Valve