Pentair Autotrol 255 Logix 740-760 - Description; Technical specifications

Installer Manual 255-LOGIX 740-760 - Description
Ref. MKT-IM-001 / C - 08.10.2019 13 / 76
3. Description
3.1. Technical specifications
Design specifications/ratings
Valve body ......................................................................... Glass-filled Noryl
®
- NSF listed material
Rubber components ......................................................... Compounded for cold water - NSF listed
material
Valve material certification .............................................. WQA Gold Seal Certified to ORD 0902, NSF/
ANSI 44, CE, ACS
Weight (valve with controller)........................................... 1.8 kg
Recommended operating pressure ................................. 1.4 - 8.6 bar
Hydrostatic test pressure................................................. 20.69 bar
Water temperature........................................................... 1 - 38°C
Ambient temperature ....................................................... 2 - 50°C
Flow rates (valve only)
Service at 1.03 bar (15 psi) drop....................................... 3.52 m
3
/h
Backwash at 1.72 bar (25 psi) drop .................................. 1.36 m
3
/h
Service .............................................................................. Kv = 3.4 m
3
/h (Cv = 3.99 gpm)
Backwash.......................................................................... Kv = 1.0 m
3
/h (Cv = 1.20 gpm)
Valve connections
Tank Adapter Thread ........................................................ 63.5 mm (2½") - 8, male
Inlet/Outlet Maniflold ....................................................... 25.4 mm (1") NPT or BSPT, female (brass or
thermoplastic) 19 mm (¾") NPT or BSPT,
male (thermoplastic) 2.7 (½") NPT or BSPT,
male (thermoplastic)
Drain line 12.7 mm (½") (manifold
dependent)
Brine line .......................................................................... 9.5 mm (⅜") NPT as standard, 6.35 mm (¼")
NPT optional; air check built onto valve
Riser tube [Ø].................................................................... 27 mm (1.050") standard, or 20.6 mm
(0.8125") optional with extra insert
Riser tube [length]............................................................ 29 mm ± 3 mm (1⅛ ± ⅛") above top of tank
Electrical
Controller Operating Voltage ........................................... 12 VAC (requires use of Pentair Water
supplied transformer)
Input Supply Frequency.................................................... 50 or 60 Hz (controller configuration
dependent)
Motor Input Voltage .......................................................... 12 VAC
Controller Power Consumption ....................................... 3 W average
Protection rating............................................................... IP23