Pentair FLECK 3150 NXT - Description; Technical specifications

Installer Manual Fleck 3150 - NXT - Description
Ref. MKT-IM-010 / B - 28.05.2018 13 / 122
3. Description
3.1. Technical specifications
Design specifications/ratings
Valve body ............................................... Brass
Rubber components ............................... EP or EPDM
Weight (valve with controller)................. 22.8 kg (max)
Recommended operating pressure ....... 1.8 - 8.6 bar
Maximum inlet pressure ........................ 8.6 bar
Hydrostatic test pressure....................... 20 bar
Water temperature std........................... 1 - 43°C
Water temperature for HW volumetric .. 1 - 65°C
Water temperature for HW time clock... 1 - 82°C
Ambient temperature ............................. 5 - 40°C
Flow rates (3.5 bar inlet - 16°C - valve only)
Continuous (Δp = 1 bar) .......................... Top Mount 22.0 m
3
/h; Side Mount 23.0 m
3
/h
Peak (Δp = 1.8 bar)................................. Top Mount 28.0 m
3
/h; Side Mount 29.0 m
3
/h
Cv*........................................................... 24.8
Kv*........................................................... 21.5
Maximum backwash (Δp = 1.8 bar) ........ Top Mount 24.0 m
3
/h; Side Mount 25.0 m
3
/h
*Cv : Flow rate in gpm across the valve at a pressure drop of 1 psi at 60°F.
*Kv : Flow rate in m
3
/h across the valve at a pressure drop of 1 bar at 16°C.
Valve connections
Tank adapter thread ............................... 4"8 thread UN
Side mount adapter ................................ 2" BSP female
Inlet/Outlet ............................................. 2" BSP female
Distributor pilot ...................................... 63 mm [DN50]
Drain line ................................................ 2" BSP
Brine line (1800)...................................... 1" NPT male
Electrical
Controller operating voltage .................. 24 VAC
Input supply frequency ........................... 50/60 Hz
Transformer voltage............................... 24 VAC
Motor input voltage................................. 24 VAC
Controller power consumption ............. 60 W
Controller protection rating ................... IP 22
Valve protection rating ........................... IP 44
Power supply .......................................... 230 VAC, 50/60 Hz,60 VA, Class II
Transient overvoltages ........................... within the limits of category II
Pollution Degree..................................... 3
Temporary overvoltages must be limited in duration and in frequency.