Hitachi YUTAKI Series - Page 68

Model
RWD-2.0
NW(S)E-
260S
RWD-2.5
NW(S)E-
260S
RWD-3.0
NW(S)E-
260S
RWD-4.0
NW(S)E-
260S
RWD-5.0
NW(S)E-
260S
RWD-6.0
NW(S)E-
260S
Expansion vessel
Material
-
Steel (with stainless/galvanized steel connections)
Internal water volume L 6.0
Working pressure
MPa
0.3
Pre-loading pressure (Air side)
MPa
0.1
Water strainer
Type - Isolated water strainer (Filter ball)
Material - Brass
Piping connection (in) 1”, DN25 1”, DN32
Mesh (hole size) mm 0.7
Automatic lter cleaning - Yes
Safety valve
-
Yes (3 bar)
Low pressure switch
-
Yes (<0.5 bar)
Unit drain valve
-
Yes
DHW drain valve
-
Yes
Shut-off valve
-
Yes (2 factory-supplied valves)
Air purger
-
Yes
Manometer
-
Yes
Unit controller
-
Yes (PC-ARFHE)
Blank data: To be informed later.
GENERAL DATA
PMML0335A rev.1 - 04/2016
56