Lancaster 7-LETCT-1B Installation, Operating And Service Manual Download

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TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

1. Timer does not display time of day.

Transformer unplugged

a. Connect power

No electric power at outlet

b. Repair outlet or use working outlet

Defective transformer

c. Replace transformer

Defective PC board

d. Replace PC board

2. Timer does not display correct time of

day.

Switched outlet

a. Use uninterrupted outlet

Power outage

b. Reset time of day

Defective PC board

c. Replace PC board

3. Control valve regenerates at wrong

time of day.

a. Power outages

a. Reset control valve to correct time

of day

b. Time of day not set correctly

b. Reset to correct time of day

c. Time of regeneration incorrect

c. Reset regeneration time

4. E1, E2 OR E3:
Unable to recognize start of

regeneration.
Unexpected stall.
Motor ran to long, timed out trying to

reach next cycle position, or trying to

reach home

a. Control valve has just been

serviced

a. Press SET HOUR and ▼ for 5

seconds or unplug power source jack

(black wire) and plug back in to reset

control valve. Reset time of day.

b. Foreign matter is lodged in control

valve

b. Check piston and spacer stack

assembly for foreign matter.

c. High drive forces on piston

c. Replace piston (s) and spacer

stack assembly.

d. Control valve piston not in home

position

d. Press SET HOUR and ▼ for 5

seconds or unplug power source jack

(black wire) and plug back in to reset

control valve. Reset time of day.

e. Motor not inserted fully to engage

pinion, motor wires broken or

disconnected, motor failure

e. Check motor and wiring. Replace

motor if necessary.

f. Drive gear label dirty or damaged,

missing or broken gear

f. Replace or clean drive gear.

g. Drive bracket incorrectly aligned to

back plate

g. Reset drive bracket properly.

h. PC board is damaged or defective h. Replace PC board.
i. PC board incorrectly aligned to

drive bracket

i. Ensure PC board is correctly

snapped onto drive bracket.

5. Control valve stalled in regeneration.

a. Motor not operating

a. Replace motor

b. No electric power at outlet

b. Repair outlet or use working outlet

c. Defective transformer

c. Replace transformer

d. Defective PC board

d. Replace PC board

e. Broken drive gear or drive cap

assembly

e. Replace drive gear or drive cap

assembly

f. Broken piston retainer

f. Replace drive cap assembly

g. Broken main or regenerant

piston

g. Replace main or regenerant piston

6. Control valve does not regenerate

automatically when ▲ and ▼ buttons are

depressed and held.

a. Transformer unplugged

a. Connect transformer

b. No electric power at outlet

b. Repair outlet or use working outlet

c. Broken drive gear or drive cap

assembly

c. Replace drive gear or drive cap

assembly

d. Defective PC board

d. Replace PC board

7. Control valve does not regenerate

automatically but does when ▲ and ▼

buttons are depressed.

a. Defective PC board

a. Replace PC board

b. Set-up error

b. Check control valve set-up

procedure

A DIVISION OF C-B TOOL CO.

1340 MANHEIM PIKE ● LANCASTER PA 17601-3196 ● TEL:717-397-3521 ● FAX: 717-392-0266

www.lancasterwatertreatment.com ● E-mail: info@lancasterpump.com

Summary of Contents for 7-LETCT-1B

Page 1: ...e free service For servicing and future inspection purposes please file this booklet with your important documents BRONZE LINE LET ELECTRONIC WATER FILTER TIME CLOCK MODEL FEATURING THE LETCV1F VALVE INSTALLATION OPERATING AND SERVICE MANUAL COLOR TASTE ODOR 7 LETCT 1B 7 LETCT 2B 7 LETCT 3B IRON FILTER 7 LETIM 1B 7 LETIM 2B 7 LETIM 3B SEDIMENT TURBIDITY 7 LETST 1B 7 LETST 2B 7 LETST 3B F I L T E R...

Page 2: ...be a minimum of Backwash flow rates in excess of 7 gpm or length in excess of 20 require drain line Solder joints near the drain must be done prior to connecting the drain line flow control fitting Leave at least 6 between the drain line control fitting and solder joints when soldering pipes that are connected on the drain line control fitting Failure to do this could cause interior damage to the ...

Page 3: ...plug A8021 CALCITE 2 7 LETDAN 1 5B FG1054D 10 X 54 with dome plug A8021 CALCITE 3 7 LETDAN 2B FG1348D 13 X 48 with dome plug A8021 CALCITE 4 7 LETDAN 3B FG1365D 13 X 65 with dome plug A8021 CALCITE 6 7 LETIM 1B FG1044 10 X 44 A8007 BIRM 1 7 LETIM 2B FG1348 13 X 48 A8007 BIRM 2 7 LETIM 3B FG1465 14 X 65 A8007 BIRM 3 7 LETCT 1B FG1044 10 X 44 A8009 CARBON 1 7 LETCT 2B FG1348 13 X 48 A8009 CARBON 2 7...

Page 4: ...r hole of the bottom of the control valve Complete plumbing Place the bypass valve in BYPASS OPERATION Figure 1 Plug the transformer into a 120V uninterrupted receptacle Carbon should be soaked in water for at least one hour before backwashing at full flow The mineral is dry and filling too quickly will result in the mineral plugging the drain line and valve assembly 16 MIN Distributor Assembly Mi...

Page 5: ...REGEN button Place the bypass valve in the NORMAL OPERATION position Figure 3 It is common to have some very fine particles visible in the service line immediately after loading new mineral even after initial backwash This is temporary and will clear up after a few gallons of water have passed through the filter A sediment cartridge filter can be installed after a backwashing filter to capture the...

Page 6: ...uired backwash periodically No hardness is added to the water For clear water iron when the pH is less than seven 7 in the raw water a water softener should be used in place of the iron filter Note When using Birm for iron removal it is necessary that the water contain no oil or hydrogen sulfide organic matter not to exceed 4 5 ppm the D O content equal at least 15 of iron con tent with a pH of 6 ...

Page 7: ...ket slightly to the left by pressing on the side of the upper right corner This helps the drive gears mesh with the drive cap assembly The drive bracket is properly seated when it snaps under the latches on the drive back plate If resistance is felt before latching then notches are not fully engaged the piston rod is not in hole the wires are jammed between the drive bracket and drive back plate o...

Page 8: ...OTE It is not recommended to field convert valves from upflow to downflow and vice versa Separate areas in the valve supply water to the injector for upflow and downflow valves DRIVE CAP ASSEMBLY MAIN PISTON AND REGENERANT PISTON The drive gears turn the main gear of the drive cap assembly which moves the piston The screw driven horizontally moving piston stops at specific positions to direct the ...

Page 9: ...ne oils or other unacceptable lubricants on o rings A silicone lubricant may be used on the black o ring Reinsert the meter plug into the side slot Hand tighten the nut Do not use a pipe wrench to tighten nut BYPASS VALVE The working parts of the bypass valve are the rotor assemblies that are contained under the bypass valve caps Before working on the rotor make sure the system is depressurized Tu...

Page 10: ...sary to assemble the valve the optional maintenance wrench shown in various positions on the valve may be purchased to aid in assembly or disassembly Loosens Drain Nut In Polytube Applications Loosens Injector And Bypass Caps Loosens Quick Connect Nuts Loosens Drive Cap ...

Page 11: ... 2 V3151 Nut 1 Quick Connect 2 2 V3150 Split Ring 3 2 V3105 O Ring 215 4 2 V3191 Vertical Adapter ADDITIONAL OPTIONAL FITTINGS Part Number Description V3007 01 3 4 X 1 PVC Solvent Elbow Assembly V3007 02 1 Brass Sweat Assembly V3007 03 3 4 Brass Sweat Assembly V3007 04 1 Plastic Male NPT Assembly V3007 05 1 1 4 Plastic Male NPT Assembly V3007 07 1 1 4 1 1 2 PVC Solvent Elbow Assy V3007 09 1 1 4 1 ...

Page 12: ...ve Assembly parts 2 6 NOT SHOWN 1 V3186 Transformer 110V 12V INJECTOR INJECTOR CAP SCREEN AND O RING Item No Quantity Part No Description 1 1 V3176 Injector Cap 2 1 V3152 O Ring 135 3 1 V3177 Injector Screen 4 1 V3010 1Z Injector Assy Z Plug NOT SHOWN V3170 O Ring 011 NOT SHOWN V3171 O Ring 013 Injector plug and injector contains one 011 and one 013 O ring DRIVE CAP ASSEMBLY DOWN FLOW PISTON REGEN...

Page 13: ...1 Drain Elbow and Retainer Asy DRAIN LINE 3 4 Item no Quantity Part No Description 1 1 H4615 Elbow Locking Clip 2 1 V3194 Polytube Insert 5 8 3 1 V3192 Nut for 3 4 Drain Elbow 4 1 V3158 3 4 Drain Elbow 5 1 V3163 O Ring 019 6 1 V3159 DLFC Retainer 7 1 V3162 056 DLFC 5 3 7 1 V3162 065 DLFC 6 5 7 1 V3162 090 DLFC 9 0 7 1 V3162 100 DLFC 10 0 3 4 5 1 2 6 ATER METER SHOULD NOT BE USED AS THE PRIMARY MON...

Page 14: ...not inserted fully to engage pinion motor wires broken or disconnected motor failure e Check motor and wiring Replace motor if necessary f Drive gear label dirty or damaged missing or broken gear f Replace or clean drive gear g Drive bracket incorrectly aligned to back plate g Reset drive bracket properly h PC board is damaged or defective h Replace PC board i PC board incorrectly aligned to drive...

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Lancaster 7-LETCT-1B, Installation, Operating And Service Manual

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