Lancaster 7-LXIM-3, 7-LXDAN-1.5, 7-LXIM-1, 7-LXIM-2, 7-LXCT-1 Installation, Operating And Service Manual
...
WATER FILTERS AND NEUTRALIZERS
INSTALLATION, OPERATING AND
SERVICE MANUAL
ELECTRONIC WATER FILTER WITH THE
X-FACTOR CONTROL VALVE
ACID NEUTRALIZERS
7-LXDAN-1
7-LXDAN-1.5
7-LXDAN-2
7-LXDAN-3
IRON FILTER
7-LXIM-1
7-LXIM-2
7-LXIM-3
COLOR, TASTE, ODOR
7-LXCT-1
7-LXCT-2
SEDIMENT/ TURBIDITY
7-LXST-1
7-LXST-2
7-LXST-3
AERATION-SULFUR & IRON
7-LXCTAIR-1
7-LXCTAIR-2
7-LXCTAIR-3
AERATION-IRON ONLY
7-LXIMAIR-1
7-LXIMAIR-2
7-LXCT-3
Congratulations on purchasing your new Lancaster Water Filter. This unit is designed to give you
many years of trouble free service. For servicing and future inspection purposes, please le this
booklet with your important documents.
In the event that you need assistance for servicing your water lter, please rst contact the
professional contractor who installed the system.
7-LXIMAIR-3
PAGE 1
TABLE OF CONTENTS
Job Specications ......................................................................................................................... 2
Components ................................................................................................................................. 2
Pre-Installation Review ................................................................................................................. 3
General Installation and Service Warnings .................................................................................. 3
Bypass Valve Operation ............................................................................................................... 4
Installation Instructions, Diagrams ................................................................................................ 5, 6
Installation Instructions for 7-LXCTAIR, 7-LXIMAIR ..................................................................... 7
Placing Filter into Service ............................................................................................................. 8
General Operation ........................................................................................................................ 8
Set Time of Day ............................................................................................................................ 9
Adjust Days Between Backwash or Time of Backwash ................................................................ 9, 10
Low Battery.................................................................................................................................... 10
Contact Screen Programming ...................................................................................................... 10
Parts Diagrams ............................................................................................................................. 11-17
Service Instructions ...................................................................................................................... 18-20
Troubleshooting ............................................................................................................................ 21-23
JOB SPECIFICATIONS
MODEL NO.
INSTALLATION DATE
SERIAL NUMBER
INSTALLER NAME PHONE
ADDRESS
UNTREATED WATER TEST AT TIME OF INSTALLATION
Hardness CaCo3 (gpg)
Iron (ppm or mg/l)
pH
TDS (ppm or mg/l)
COMPONENTS
MODEL
7-LXDAN-1 FG1047DVT, 10x47
7-LXDAN-1.5 FG1054DVT, 10x54
7-LXDAN-2 FG1348DVT, 13x48
7-LXDAN-3 FG1365DVT, 13x65
7-LXIM-1 FG1044VT, 10x44 A8007, BIRM (1)
7-LXIM-2 FG1348VT, 13x48 A8007, BIRM (2)
7-LXIM-3 FG1465VT, 14x65 A8007, BIRM (3)
7-LXCT-1 FG1044VT, 10x44 A8009, CARBON (1)
MINERAL TANK-
PART NO., dia.”x ht.”
(with dome plug)
(with dome plug)
(with dome plug)
(with dome plug)
PART ID, MINERAL
(BAG qty.)
A8021, CALCITE (2)
A8021, CALCITE (3)
A8021, CALCITE (4)
A8021, CALCITE (6)
MODEL MINERAL TANK-
7-LXCT-2 FG1348VT, 13x48 A8009, CARBON (2)
7-LXCT-3 FG1465VT, 14x65 A8009, CARBON (3)
7-LXST-1 FG1044VT, 10x44 A8014, FILTER AG (1)
7-LXST-2 FG1348VT, 13x48 A8014, FILTER AG (2)
7-LXST-3 FG1465VT, 14x65 A8014, FILTER AG (3)
7-LXCTAIR-1 FG1054VT, 10x54 A8056, (1)
7-LXCTAIR-2 FG1465VT, 14x65 A8056, (2)
7-LXCTAIR-3 FG1665VT, 16x65 A8056, (3)
7-LXIMAIR-1 FG1054VT, 10x54 A8007, BIRM (1)
7-LXIMAIR-2 FG1465VT, 14x65 A8007, BIRM (2)
7-LXIMAIR-3 FG1665VT, 16x65 A8007, BIRM (3)
Other:
PART NO., dia.”x ht.”
PART ID, MINERAL
(BAG qty.)
CATALYTIC
CARBON
CATALYTIC
CARBON
CATALYTIC
CARBON
PAGE 2
PRE-INSTALLATION
REVIEW
GENERAL INSTALLATION
AND SERVICE WARNINGS
WATER PRESSURE: A minimum of 20 pounds of water
pressure (psi) is required for backwash. Maximum 100
psi. CAUTION: the lter cannot be subject to a vacuum
due to loss of pressure (such as a water main break or
submersible well pump check valve failure).
WATER TEMPERATURE: The range of water temperature
is 35°F to 100°F. DO NOT install any water lter with less
than 10 feet of piping between its outlet and the inlet of a
water heater.
AMBIENT TEMPERATURE: DO NOT locate lter where it
or its connections (including the drain and overow lines)
will ever be subject to room temperatures under 33°F.
ELECTRICITY: An uninterrupted 120 volt 60Hz source is
required. Make sure electrical source is not on a timer
or switch. All electrical connections must be connected
according to local codes. The plug-in transformer is for
dry locations only. Surge protection is recommended with
all electrical connections.
DRAIN: All plumbing should be done in accordance with
local plumbing codes. The distance between the drain
and the water lter should be as short as possible. The
pipe size for the drain line should be a minimum of 1/2”
(inside diameter of pipe). For backwash rates of 7 gpm or
higher, use a 3/4” drain line.
FILTERING: It is recommended that the lter be installed
to treat both the hot and cold water supply. Outside faucets
should be left on untreated water.
BYPASS: A bypass valve (optional accessory) should
be installed so that water will be available if it should be
necessary to shut off the pressure in order to service the
lter.
The control valve, tting and/or bypass are designed to
accommodate minor plumbing misalignments but are
not designed to support the weight of a system or the
plumbing.
Do not use Vaseline, oils, other hydrocarbon lubricants or
spray silicone anywhere. A silicone lubricant may be used
on black o-rings but is not necessary. Avoid any type of
lubricants, including silicone, on the clear lip seals.
The nuts and caps are designed to be unscrewed or
tightened by hand or with the special plastic wrench
(V3193). If necessary, pliers can be used to unscrew the
nut or cap. Do not use a pipe wrench to tighten or loosen
nuts or caps. Do not place a screw driver in the slots on
caps and/or tap with a hammer.
Do not use pipe dope or other sealants on threads. Use
Teon tape on the threaded inlet, outlet and drain ttings.
Teon tape is not necessary on the nut connection or caps
because of o-rings seals.
After completing any valve maintenance involving the
drive assembly or the drive cap assembly and pistons,
unplug power source jack from the printed circuit board
(black wire) and plug back in or press and hold
REGEN
and
and establishes the service piston position. The display
should ash the software version and then reset the valve
to the service position.
Solder joints near the drain must be done prior to
connecting the drain line ow control tting. Leave at least
6” between the drain line control tting and solder joints
when soldering pipes that are connected on the drain
line control tting. Failure to do this could cause interior
damage to the drain line ow control tting.
When assembling the installation tting package (inlet
and outlet), connect the tting to the plumbing system rst
and then attach the nut, split ring and o-ring. Heat from
soldering or solvent cements may damage the nut, split
ring or o-ring. Solder joints should be cool and solvent
cements should be set before installing the nut, split ring
and o-ring. Avoid getting primer and solvent cement on
any part of the o-ring, split rings, bypass valve or control
valve.
Install grounding strap on metal pipes.
This water lter is not to be used for treating water
that is microbiologically unsafe or of unknown
quality without adequate disinfection before or after
treatment.
buttons for 3 seconds. This resets the electronics
NEXT
PAGE 3
BYPASS VALVE
The bypass valve is typically used to isolate the control valve from the plumbing system’s water pressure in order to perform control
valve repairs or maintenance. The X-Factor bypass valve is particularly unique in the water treatment industry due to its versatility
and state of the art design features. The 1” full ow bypass valve incorporates four positions, including a diagnostic position that
allows service personal to work on a pressurized system while still providing untreated bypassed water to the facility or residence. Its
completely non-metallic, all-plastic design allows for easy access and serviceability without the need for tools.
The bypass body and rotors are glass lled Noryl® (or equivalent) and the nuts and caps are glass lled polypropylene. All seals are
self-lubricating EPDM to help prevent valve seizing after long periods of non-use. Internal o-rings can easily be replaced if service is
required.
The bypass consists of two interchangeable plug valves that are operated independently by red arrow-shaped handles. The handles
identify the ow direction of the water. The plug valves enable the bypass valve to operate in four positions.
OPERATION:
1. Normal Operation Position: The inlet and outlet
handles point in the direction of ow indicated by the
engraved arrows on the control valve. Water ows
through the control valve during normal operation and
this position also allows the control valve to isolate the
media bed during the regeneration cycle. (see gure
1)
2. Bypass Position: The inlet and outlet handles
point to the center of the bypass, the control valve
is isolated from the water pressure contained in the
plumbing system. Untreated water is supplied to the
plumbing system. (see gure 2)
3. Diagnostic Position: The inlet handle points in
the direction of ow and the outlet handle points to
the center of bypass valve, system water pressure is
allowed to the control valve and the plumbing system
while not allowing water to exit from the control valve
to the plumbing. (see gure 3)
4. Shut Off Position: The inlet handle points to the
center of the bypass valve and the outlet handle
points in the direction of ow, the water is shut off
to the plumbing system. If water is available on the
outlet side of the lter it is an indication of water
bypass around the system (i.e. a plumbing connection
somewhere in the building bypasses the system).
(see gure 4)
The working parts of the bypass valve are the rotor assemblies that are contained under the bypass valve caps. Before working on the
rotors, make sure the system is depressurized. Turn the red arrow shaped handles towards the center of the bypass valve and back
several times to ensure rotor is turning freely.
The nuts and caps are designed to be unscrewed or tightened by hand. If necessary a pliers or the service spanner wrench can be
used to unscrew the nut or cap. Do not use a pipe wrench to tighten or loosen nuts or caps. Do not place screwdriver in slots on caps
and/or tap with a hammer.
Refer to page 15 for bypass valve parts diagram and page 16 for service spanner wrench information.
To access the rotor, unscrew the cap and lift the cap, rotor and handle out as one unit. Twisting the unit as you pull it out will help to
remove it more easily. There are three o-rings: one under the rotor cap, one on the rotor stem and the rotor seal. Replace worn
o-rings. Clean rotor. Reinstall rotor.
When reinstalling the red arrow handles be sure that:
1. The handle pointers are lined up with the control valve body arrows, and the rotor seal o-ring and retainer on both rotors face
to the right when being viewed from the front of the control valve; or
2. Arrows point toward each other in the bypass position.
Since the handles can be pulled off, they could be accidentally reinstalled 180° from their correct orientation. To install the red arrow
handles correctly, keep the handles pointed in the same direction as the arrows engraved on the control valve body while tightening the
bypass valve caps.
gure 1 gure 2
gure 3 gure 4
PAGE 4
INSTALLATION INSTRUCTIONS
BRINE LINE FITTING CONNECTIONS
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(All electrical & plumbing should be done in accordance to all local codes)
1. Place lter in desired location close to water supply inlet, after pressure tank, and near a source for waste water, (utility
sink, oor drain or sewer line). A 120V, 60Hz uninterrupted outlet is required. Keep lter far enough away from walls and
other obstructions to allow enough room for servicing the unit. If a water softener is also to be installed, generally it will be
placed in line after the neutralizer or lter.
From water supply neutralizer lter softener to service
2. Add Minerals: Remove control valve from the mineral tank by turning counter-clockwise. Plug open end (top) of the
distributor tube assembly to prevent the mineral from entering (g. A). Add the mineral. DO NOT OVERFILL. Tanks should
be 2/3 full. Remove the plug from the distributor tube. Water can be manually added at this time to begin the mineral soaking
process. Replace the control valve making sure that the distributor tube is inserted into the center hole of the bottom of the
control valve.
3. Do all necessary plumbing (inlet to inlet, outlet to outlet, and drain line to drain). The control valve, ttings and/or bypass
are designed to accommodate minor plumbing misalignments but are not designed to support the weight of a system or the
plumbing.
4. When assembling the installation tting package (inlet and outlet), connect the tting to the plumbing system rst and then
attach the nut, split ring and o-ring. Heat from soldering or solvent cements may damage the nut, split ring or o-ring. Solder
joint should be cool and solvent cements should be set before installing the nut, split ring and o-ring. Avoid getting primer
and solvent cement on any part of the o-rings, split rings, bypass valve or control valve.
5. A jumper ground wire should be installed between the inlet and outlet pipe whenever the metallic continuity of a
water distribution piping system is interrupted. Install grounding strap on metal pipes.
6. The drain connection may be made using either 5/8” polytube (see below) or a 3/4” female adapter. The polytube insert
is shipped attached to the drain line elbow’s locking clip. Press the insert into the drain line tubing (tubing not provided).
Loosen the nut of the drain line elbow. Press the 5/8” polytube with insert into the drain line elbow until it seats on the back
of the tting. Tighten the nut. If soldering, joints near the drain must be done prior to connecting the drain line ow control
tting. Leave at least 6” between the drain line control tting and solder joints when soldering pipes that are connected on
the drain line control tting. Failure to do this could cause interior damage to the drain line ow control tting. Never insert a
drain line into a drain, sewer line, or trap. Always allow an air gap between the drain line and the wastewater to prevent the
possibility of sewage being back-siphoned into the lter (g. C).
DRAIN LINE FITTING CONNECTION USING 5/8" POLY TUBE
PAGE 5
COLD
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HOT
MINIMUM 10 FEET
BETWEEN
WATER FILTER OUTLET
AND
WATER H EATER INLET
BYPASS PLUMBING
RECOMMENDED
IF
OPTIONAL BP2000
BYPASS VALVE
IS NOT USED.
TO
OUTSIDE
TAP
LOCATE WATER FILTER CLOSE TO A DRAIN.
AVOID OVERHEAD DRAIN LINES IF POSSIBLE TO
PREVEN T BACK PRESSURE ON THE SYSTEM.
IF OVER HEAD DRAIN LINE IS USED AND EXCEEDS
5 FEET ABOVE CONNEC TION ON CONTROL VALVE
IF DRAIN LINE EXCEED S 20 FEET IN LENGTH,
OR BACK WASH RATES EXCEED 7 GPM,
DRAIN LINE PIPE SIZE SH OULD BE MINIMUM 3/4".
OR
DRAIN LINE
AIR GAP
ADAPTER
COLD
HOT
WATER
HEATER
MINIMUM 10 FEET
BETWEEN
WATER FILTER OUTLET
AND
WATER H EATER INLET
WATER FILTER
BYPASS PLUMBING
RECOMMENDED
IF
OPTIONAL BP2000
BYPASS VALVE
IS NOT USED.
TO
OUTSIDE
TAP
TO
DRAIN
CITY WATER
INSTALLATION
WATER
METER
LOCATE WATER FILTER CLOSE TO A DRAIN.
AVOID OVERHEAD DRAIN LINES IF POSSIBLE TO
PREVEN T BACK PRESSURE ON THE SYSTEM.
IF OVER HEAD DRAIN LINE IS USED AND EXCEEDS
5 FEET ABOVE CONNEC TION ON CONTROL VALVE
IF DRAIN LINE EXCEED S 20 FEET IN LENGTH,
OR BACK WASH RATES EXCEED 7 GPM,
DRAIN LINE PIPE SIZE SH OULD BE MINIMUM 3/4".
OR
FROM
WATER MAIN
WATER
HEATER
PAGE 6
WATER FILTER
WELL WATER
INSTALLATION
PRESSURE
TANK
DRAIN LINE
AIR GAP
ADAPTER
TO
DRAIN
FROM
WELL PUMP
7-LXCTAIR, 7-LXIMAIR INSTALLATION INSTRUCTIONS
TO
SERVICE
( WELL PUMP SYSTEM
"SUPPLY" GPM MUST
EQUAL OR EXCEED
AERATION SYSTEM
"SERVICE/BACKWASH" GPM )
FROM
WELL PUMP
PRESSURE
TANK
CHECK
VALVE
IN-LINE CHECK VALVE REQUIRED,
INSTALLED VERTICALLY PRIOR TO
AERATION SYSTEM
BUT AFTER ANY UNTREATED LINES.
AT LEAST 12" VERTICAL COLUMN
OF WATER PIPE ON TOP OF
CHECK VALVE BEFORE
AERATION SYSTEM.
AERATION
SYSTEM
A HOT WATER
THERMAL EXPANSION TANK
IS REQUIRED ON THE
COLD WATER INLET OF A
WATER HEATER.
UNTREATED LINE
A SMALL AMOUNT OF AIR MAY BECOME TRAPPED IN THE SERVICE LINE AFTER THE AERATION SYSTEM BACKWASHES.
A SPUTTERING OF AIR MAY BE NOTICED AT THE FIRST WATER FIXTURE TO BE USED AFTER THE SYSTEM BACKWASHES.
IF THIS IS OBJECTIONABLE, A CHECK VALVE CAN BE INSTALLED DIRECTLY AFTER THE AERATION SYSTEM.
NOTE: IF A CHECK VALVE IS INSTALLED BETWEEN A PRESSURE TANK AND A WATER HEATER, A HOT WATER EXPANSION TANK
IS REQUIRED ON THE COLD WATER INLET OF THE WATER HEATER.
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Add mineral per instructions in this lter manual. Water can be manually added at this time to begin the mineral soaking
process.
An in-line check valve is required, installed vertically prior to the aeration system, but after any untreated lines. Provide at
least a 12” vertical column of water pipe on top of the check valve before the aeration system. See diagram below.
IN-LINE CHECK VALVE REQUIRED,
INSTALLED VERTICALLY PRIOR TO
AERATION SYSTEM
BUT AFTER ANY UNTREATED LINES.
AT LEAST 12" VERTICAL COLUMN
OF WATER PIPE ON TOP OF
CHECK VALVE BEFORE
AERATION SYSTEM.
lter
TO
SERVICE
A HOT WATER
THERMAL EXPANSION TANK
IS REQUIRED ON THE
COLD WATER INLET OF A
WATER HEATER.
CHECK
VALVE
Check valve
connected here
(see below)
A check valve and a small piece of tubing is installed on the “brine elbow”. This must be in place to prevent water from
discharging during the backwash sequence. See diagram below.
A SMALL AMOUNT OF AIR MAY BECOME TRAPPED IN THE SERVICE LINE AFTER THE AERATION SYSTEM BACKWASHES.
A SPUTTERING OF AIR MAY BE NOTICED AT THE FIRST WATER FIXTURE TO BE USED AFTER THE SYSTEM BACKWASHES.
NOTE: IF A CHECK VALVE IS INSTALLED BETWEEN A PRESSURE TANK AND A WATER HEATER, A HOT WATER EXPANSION TANK
IF THIS IS OBJECTIONABLE, A CHECK VALVE CAN BE INSTALLED DIRECTLY AFTER THE AERATION SYSTEM.
IS REQUIRED ON THE COLD WATER INLET OF THE WATER HEATER.
AERATION
SYSTEM
PRESSURE
TANK
UNTREATED LINE
( WELL PUMP SYSTEM
"SUPPLY" GPM MUST
EQUAL OR EXCEED
AERATION SYSTEM
"SERVICE/BACKWASH" GPM )
FROM
WELL PUMP
Check Valve
212PPE
Adapter
P6FC4
Follow installation instruction in this manual for plumbing the inlet and outlet.
Special precautions must be made when connecting the drain line. Hard piping is
recommended. During backwash, air and water escape quickly, causing a exible drain line to
whip and thrash. Attach the drain line securely to an air gap device on the waste water line.
Brine elbow connected
to control valve using
locking clip
PAGE 7
PLACING FILTER INTO SERVICE
Do not plug the transformer into the receptacle yet. Make sure inlet and outlet valves are to their closed positions. If using
optional bypass, place in bypass position. Turn on main water supply. Open a cold water faucet. This will clear the line
of any debris (solder, pipe dope, etc.) that may be in the line. Let water run at faucet for a couple minutes, or until clear.
Turn off faucet. Now plug the transformer into a 120 volt receptacle (be certain the receptacle is uninterrupted). Within 5
seconds the control display and buttons will illuminate and the time of day screen will appear.
• Press and hold the
REGEN
button for approximately 5 seconds until the motor starts.
• Wait until display reads BACKWASH and numbers start counting down. (7-LXCTAIR and 7-LXIMAIR models will
have an AIR RELEASE cycle for 5 seconds then BACKWASH will appear.)
If using optional bypass SLOWLY turn bypass valve to DIAGNOSTIC position (See gure 3 on page 4) or slowly open
inlet valve to allow water to slowly enter lter.
Mineral is dry, and lling to quickly with water will result in the mineral plugging the drain line and valve
assembly. Some minerals such as carbon and Filter Ag should not be backwashed immediately for extended
periods of time. These minerals need to soak in water for a 24-hour period before backwashing at full ow. Flow
water to drain very slowly, increasing the ow until the water runs clear.
FOR 7-LXCTAIR, 7-LXIMAIR MODELS-
Momentarily press
REGEN
again. Display will read REGENERANT DRAW DN; allow this cycle to complete. This allows an
air pocket to form for the lter to function properly. Control will automatically advance to the FILTERING position. Open the
outlet valve of the lter, or if using optional bypass place to NORMAL OPERATION MODE (see gure 1 on page 4).
FOR ALL OTHER FILTERS-
When water is owing steadily to drain without the presence of air, momentarily press
REGEN
again. Display will read
RINSE. Open the outlet valve of the lter, or if using optional bypass place to NORMAL OPERATION MODE (see gure
1 on page 4). Allow control to nish the RINSE cycle. Allow the control to automatically advance to the FILTERING
position.
GENERAL OPERATION
Note: As an energy saving feature, the control will automatically turn off all SOLID BLUE or SOLID GREEN
display illumination and keypad illumination after about 5 minutes of the last keypad button push. Any further
keypad touch will cause the re-illumination of the display and keypad, and re-activate keypad control.
User Displays
When the system is in normal service mode, one of up to four available User Displays will be shown. Pressing
alternate between the following displays:
• Current time of day
• Treated water ow rate
• Service contact name and phone number (if entered)
• Remaining days to regeneration (if Day Override is
programmed)
To clear the Service Call reminder, press the and buttons simultaneously while the number and banner text
screen is displayed.
If the system has called for a backwash that will occur at the preset time of backwash, the words REGEN TODAY will
alternate with the header on the display.
Utilizing the control valve’s built-in water meter, a water drop ashes on the display when water is being treated (i.e. water
is owing through the system).
NEXT
will
PAGE 8
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