RESIDENTIAL
CONTROL
VALVES
Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289
255 Control Valves
Pentair Water ® offers a full range of Autotrol® Control Valves to
meet all residential water conditioning applications.
Logix™ Series
740 Time Clock
742 Time Clock
• Simple, economic electronic
time clock (chronometric)
• 7- or 99-day regeneration
setting
• High efficiency regeneration
sequence
• 12-volt operation
• Filter or conditioner setting
in one control
• Operates 255, 263, 268
with one controller
Same features as the
740 Time Clock, plus:
• Fully programmable
cycle times
• Salt setting in 1-pound
increments
• Optional no-salt detector
• Operates 255, 263, 268,
278, and Magnum® IT
with one controller
760 Demand
762 Demand
764 Demand
• Simple, economic electronic
demand (volumetric)
• Calendar override
• 12-volt operation
• 28-day variable reserve
• High efficiency regeneration
sequence
• Automatic capacity
calculations
• Operates 255, 263, 268
with one controller
Same features as the
760, plus:
• Fully programmable
cycle times
• Salt setting in 1-pound
increments
• Optional no-salt detector
• Operates 255, 263, 268,
278, and Magnum IT with
one controller
Same features as the
762, plus:
• Multi-tank applications
(twin alternating, multitank parallel)
• Control lockout
• Remote regeneration
RESIDENTIAL
CONTROL
VALVES
255 Control Valves
Specifications
Electrical
Controller Operating Voltage
12 Volt – AC (Requires use of Pentair Water ®-supplied transformer)
Input Supply Frequency
50 or 60 Hz (Controller configuration dependent)
Motor Input Voltage
12 Volt – AC
Controller System Power Consumption
3 Watts average
Transformer – All Controllers
All Controllers require the use of a Pentair Water-supplied transformer.
Transformer Output Voltage
12 Volt – AC 400mA
Transformer Input Options
115 Volt – AC 50/60 Hz; 230 Volt – AC 50/60 Hz; 100 Volt – AC 50/60 Hz
Transformer Plug Options
Indoor North American Plug
Taiwan/Korea Plug
Outdoor North American (UL Listed for outdoor use)
Australian Plug
Mainland Europe Plug
Japanese Plug
United Kingdom Plug
Additional transformers may be available – call for more information.
Design Specifications/Ratings
Valve Body
Glass-filled thermoplastic – NSF Listed material
Rubber Components
Compounded for cold water – NSF Listed material
Valve Materials CertificationWQA Gold Seal Certified to ORD 0902 and
NSF/ANSI 44 Rated component for material safety
Weight (Valve with Control)
4 Ibs (1.8 kg)
Recommended Operating Pressure
Canada
20 - 120 psi (1.38 - 8.27 bar)
20 - 100 psi (1.38 - 6.89 bar)
Hydrostatic Test Pressure
Water Temperature
Ambient Temperature*
300 psi (20.69 bar)
35° - 100°F (2° - 38°C)
35° - 120°F (2° - 48.9°C)
*Recommend use of outdoor cover for direct sunlight applications.
Options
Turbine for Demand Units
Standard manifold, 1-inch Autotrol® Turbine
Bypass ValveThermoplastic, 1-inch flow path, 1/2-inch (13mm) NPT male, drain
Bypass Inlet-Outlet Fitting Kits:
Copper, Sweat Tube Adapter
1-inch or 3/4-inch (25 mm or 19 mm)
CPVC, Solvent Weld Tube Adapter
1-inch or 3/4-inch (25 mm or 19 mm)
Plastic NPT or BSPT Pipe Adapter
1-inch male or 3/4-inch male (25 mm or 19 mm)
Stainless steel NPT or BSPT Pipe Adapter
1-inch male or 3/4-inch male (25 mm or 19 mm)
Brine Refill Controls
.33 gpm (1.25 Lpm) fixed
.14 gpm (.53 Lpm) fixed – optional for small tank applications
Compatible with Regenerants/Chemicals
Sodium chloride, potassium chloride, potassium permanganate, sodium
bisulfite†, sodium hydroxide†, hydrochloric acid†, chlorine†† and chloramines††
†
See owners manual for specific concentrations.
††
Valve for use on potable water supply.
A
J
K
Dimensions
Valve Connections
Tank Thread
2-1/2-inches – 8, male
Brine Line
1-inch NPT or BSPT, female
3/4-inch NPT or BSPT, female
Distributor Tube
3/4-inch NPT or BSPT, male (thermoplastic)
(diameter)
J
1/2-inch NPT or BSPT, male (thermoplastic)
Distributor Tube
K
1/2-inch (manifold dependent)
(length)
Inlet/Outlet Manifold
(brass or
thermoplastic)
Drain Line
A
1/4-inch or 3/8-inch NPT, male;
air check built into valve
1.050 inches (27 mm) or
13/16-inch (20.6 mm)
1-1/8 ± 1/8 inches (29 mm ±
3 mm) above top of tank
H
B
Outline Dimensions
I
C
A
D
J
G
K
H
B
Units
A
B
C
D
E
F
inches
cm
14.9
37.8
6.6
16.8
8.2
20.8
8.4
21.3
4.2
10.7
4.0
10.2
I
E
C
G
5.7
14.5 D
F
H
I
J
K
3.1
7.9
5.1
13.0
1.5
3.8
1.5
3.8
G
H
Performance
B
I
C
E
Flow Rates (Valve Only)
Service @ 15 psi (1.03 bar) drop
Backwash @ 25 psi (1.72 bar) drop
Service
Backwash
F
15.5 gpm (3.52 m3/h)
6.0 gpm (1.36 m3/h)
Cv D
= 3.99 (Kv = 3.4)
G = 1.20 (Kv = 1.0)
Cv
Note: Tested with a 3/4-inch brass manifold
E
FFlow Rate Characteristics
Logix 764 Performance
Flow Rate (m3/hr)
0
0.5
0.9
1.4
1.8
2.3
2.7
3.2
1.10
Backwash
Number*
Flow Rate
(gpm)
Flow Rate
(lpm)
1.00
7
1.3
4.9
0.90
8
1.7
6.4
9
2.2
8.3
10
2.7
10.2
12
3.9
14.76
13
4.5
17.0
14
5.3
20.0
3.6
= 1.2
0
16
– Cv
0.80
3.
=
5B
AC
K
6
5
25
25
4
0.60
0.50
–
8
0.70
Cv
WA
SH
10
99
FLO
W
12
2
E
IC
RV
E
S
W
O
FL
0.40
0.30
0.20
LWR 5236 BW
LWR 4630 SVC
0
0
2
4
6
8
10
12
14
Flow Rate in Gallons Per Minute
16
0.10
0.00
Pressure Drop (Bar)
Pressure Drop in PSI
14
Backwash Flow Control Table
*Backwash flow controls sized for 5.0 gpm/ft2.
Injector* Performance
Logix™ Series Controllers
Injector
“J” Blue)
(Light Blue)
Injector
“J” (Light
For 10-inch
For 10-inch
Tanks Tanks
Injector
“F” (Peach)
Injector
“F” (Peach)
For 7-inch
For 7-inch
Tanks Tanks
0.30
0.30
0.25
0.25
0.20
0.20
0.15
0.15
0.10
bar
3
5 6
6 7.5
7.5
0.10
0.05
0.05
0.00
0.00
0.08
0.08
0.07
0.07
0.06
0.06
0.04
0.03
0.03
0.02
0.02
0.01
0.01
0.00
4060
TOTAL TOTAL
6080
80100
PSI
PSI
BRINE DRAW
BRINE DRAW
100
120
0.05
0.04
LWR6057 LWR6057
2040
20
m / hr
0.05
bar
3
m / hr
0.00
0.80
0.80
0.60
0.60
RINSE
TOTAL TOTAL
bar
5 6
6 7.5
7.5
Gallons per Minute
0.30
0.20
0.30
0.20
0.10
0.10
0.11
0.10
0.10
0.09
0.09
0.08
0.08
0.07
0.07
0.06
0.06
0.05
0.05
0.04
0.04
0.03
0.03
0.02
0.02
0.01
0.01
0.00
2040
20
m3/ hr
0.11
LWR6057 LWR6057
0.00
0.00
m3/ hr
4060
TOTAL TOTAL
6080
PSI
80100
PSI
BRINE DRAW
BRINE DRAW
100
120
RINSE
0.00
bar
1.20
1.00
1.00
0.80
0.80
0.60
0.60
0.40
0.40
0.20
0.20
RINSE
0.50
0.50
0.40
0.40
0.30
0.30
0.20
0.20
0.10
3.55
bar
5 6
6 7.5
7.5
0.10
0.00
0.00
20 40
20
TOTAL TOTAL
3
m /hr
0.16
0.16
0.14
0.14
0.12
0.12
0.10
0.10
0.08
0.08
0.06
0.06
0.04
0.04
0.00
80100
PSI
BRINE DRAW
BRINE DRAW
0.14
0.12
0.12
0.10
0.10
0.08
0.08
0.06
0.06
0.04
0.04
0.02
0.02
100
120
0.00
120
PSI
RINSE
RINSE
100
120
RINSE
120
6 7.5
7.5
m3/hr
m3/hr
0.25
0.25
0.20
0.20
0.15
0.15
0.10
0.10
0.05
0.05
0.00
80100
PSI
BRINE DRAW
BRINE DRAW
0.02
0.00
2 3.5
2
1.50
1.50
1.25
1.25
1.00
1.00
0.75
0.75
0.50
0.50
0.25
0.25
3.55
bar
100
120
RINSE
bar
5 6
0.00
120
RINSE
20
7.5 m3/hr
6 7.5
0.30
0.20
0.20
0.10
0.10
0.00
20 40
4060
6080
TOTAL TOTAL
80100
100
120
m3/hr
0.30
LWR6164 LWR6164
0.00
0.00
PSI
RINSE
bar
5 6
6080
PSI
3
m /hr
0.02
6080
PSI
0.16
0.14
Injector
“L” (Orange)
Injector
“L” (Orange)
13and 14-inch
For 13-For
and
14-inch
Tanks Tanks
LWR6151 LWR6151
4060
3.55
4060
TOTAL TOTAL
Gallons per Minute
0.60
2 3.5
0.16
LWR6151 LWR6151
2040
20
Gallons per Minute
0.60
Gallons per Minute
Gallons per Minute
bar
2
0.70
80100
0.00
0.00
120
Injector
“H” Purple)
(Light Purple)
Injector
“H” (Light
For 9-inch
For 9-inch
Tanks Tanks
0.70
6080
BRINE DRAW
BRINE DRAW
2 3.5
2
1.20
Gallons per Minute
3.55
m /hr
0.18
0.00
4060
3
m /hr
0.18
Injector
“K” (Pink)
Injector
“K” (Pink)
For 12-inch
For 12-inch
Tanks Tanks
0.40
0.40
Gallons per Minute
2 3.5
7.5
LWR6151 LWR6151
2040
20
Gallons per Minute
bar
2
0.50
3
6 7.5
0.00
0.00
PSI
RINSE
bar
5 6
0.20
0.20
Injector
“G” (Tan)
Injector
“G” (Tan)
For 8-inch
For 8-inch
Tanks Tanks
0.50
3.55
0.40
0.40
120
2 3.5
2
Gallons per Minute
0.35
3.55
Gallons per Minute
0.35
Gallons per Minute
Gallons per Minute
bar
2 3.5
2
0.00
120
PSI
BRINE DRAW
BRINE DRAW
RINSE
RINSE
*New injectors for high-efficiency regeneration sequence are standard with Logix Controllers.
NOTE: Actual injector performance is dependent on the resin used, tank geometry, elevated drain, etc. This injector data was taken using an
empty tank (no resin).
Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289