Domestic Hot Water - Ferroli optima 201 Installation Instructions Manual

Domestic Hot Water Performance
Fig. 1 - D.H.W. Pressure Drop VS. flow
A = Standard with col water Flow Restricter
B = Cold Water Flow Restricter Removed
Fig. 2 - D.H.W.
temperature VS. flow
A = Cold Water 15°C
B = Cold Water 5°C
Modulating regulator (Modureg) of gas valve
1. Cap (with tube 71)
2. Shaft
3. Adjustment screw for max. pressure setting
4. Adjustment screw for min. pressure setting
5. 6,3 mm APM terminals
6. «O» ring
If necessary replace complete MODUREG
Pressure Minimum
settings
Natural Gas
L.P.G.
Maximum
mbar mbar
2.7 14.5
7.9 36.0
201
Fig. 1
Fig. 2
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