Model 6700 Downflow
Contents
1. 2300 Safety Brine Valve DF044 0 Item Number No Req d Part Number 1 60027 00 10138 11566 10328 10332 10330 10329 10186 60002 10149 10700 10150 ON DA U N SE HEHE EP NNNRP RP N Figure 20 2300 Safety Brine Valve Description 2300 safety brine valve body ball 3 8 bull stop elbow 1 4 x 1 4 T insert 3 8 sleeve 3 8 tube nut 3 8 nut hex 10 32 nylon 500 air check float rod 30 float assembly blue white grommet 23 Model 6700 Downflow 2310 Safety Brine Valve DF168 0 Figure 21 2310 Safety Brine Valve Item Number No Reg d Part Number 1 1 19645 2 1 19803 3 1 19804 4 1 19805 5 1 19652 01 6 1 19649 7 1 11183 8 1 19647 9 2 19625 10 1 18312 11 1 60014 12 2 10150 13 1 60068 14 1 60002 24 Description safety brine valve body safety brine valve arm assembly stud 10 24 nut 10 24 poppet and seal flow dispenser o ring 017 elbow safety brine valve nut assembly 3 8 retaining clip safety brine valve 2310 includes items 1 10 grommet included with item 13 float assembly 2310 500 air check assembly Model 6700 Downflow Valve Wiring Diagram Model 6700 Standard 12 58 METER SENSOR H S INT EARTH TAO Q vD POWER P6 P5 PB P11 pie P2 N x 1 z 2 x x x H ol g o E Q das lt 3 m t5 3 a 24 e g Sl INDI Y 3 CB12. Indicator Display Indicator Set Up Button Set Down Button Figure 1 6700 Display In normal operation the Time Of Day display alternates with the Volume Remaining display As treated water is used the Volume Remaining display counts down in gallons from a maximum value to zero or Once this occurs a regeneration cycle initiates immediately or delayed to the set Regeneration Time Water flow through the valve is indicated by the flashing Meter Flow Indicator In Service Time Reserve Meter Regen Lockout Volume Program Sensor Remaining Time of Day In Service Time Reserve Meter 833 gallons of treated 8 j j water remaining Regen Lockout Volume Program Sensor Remaining In Service Time Reserve Meter 0 gallons of treated water remaining Volume Regen Lockout Volume Program Sensor sining 060 0 Figure 2 Time of Day Volume Remaining Model 6700 Downflow Control Start Up Procedures Cont d Set Time of Day DF169 0 Figure 3 Set Up and Set Down Buttons When the valve is In Service push either the Set Up or Set Down button once to adjust the Time Of Day by one digit Push and hold to adjust by several digits Start an Extra Regeneration Cycle DF170 0 Push the Extra Cycle button to start an extra regeneration t
3. Remove the control valve back cover Remove the control valve front cover Disconnect the meter dome signal wire from the front cover and feed it back through the control Remove screw and washer at drive yoke Remove timer mounting screws The entire timer assembly then lifts off easily Put new timer on top of valve Be sure drive pin on main gear engages slot in drive yoke Replace timer mounting screws Replace screw and washer at drive yoke Replace meter signal wire Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Replace the control valve back cover Follow Injectors Screen Replacement steps 9 12 Piston Assembly Replacement To replace piston assembly refer to Brine Valve Injectors and Screen Replacement steps 1 3 1 9 Remove the control valve back cover Remove the control valve front cover Disconnect the meter dome signal wire from the front cover and feed it back through the control Remove screw and washer at drive yoke Remove timer mounting screws The entire timer assembly will now lift off easily Remove end plug retainer plate Pull upward on end of piston yoke until assembly is out of valve Inspect the inside of the valve to make sure that all spacers and seals are in place and that there is no foreign matter that would interfere with the valve operation Take new piston assembly as furnished a
4. Number Description 1 1 13821 meter body 2 1 13509 impeller 3 1 13847 o ring 137 4 1 14716 meter cap assembly electronic 5 4 12473 screw hex washer 10 24 x 5 8 6 4 13305 o ring 119 7 4 13255 clip mounting 8 4 13314 screw hex washer head 8 18 x 5 8 9 1 14613 flow straightener 10 1 19121 01 harness assembly flow meter 11 1 17798 screw 20 Model 6700 Downflow Bypass Valve Assembly Plastic Item Number 9 10 11 12A 12B No Reg d 2 2 2 1 a ee Figure 18 Bypass Valve Assembly Plastic Part Number 13305 13255 13314 18706 18706 02 13708 13708NP 13398 13398NP Description o ring 119 clip mounting screw hex washer head 8 18 x 5 8 yoke plastic 1 NPT yoke plastic 3 4 NPT yoke brass 3 4 NPT yoke 3 4 NPT nickel plated yoke brass 1 NPT yoke 1 NPT nickel plated 21 Model 6700 Downflow Bypass Valve Assembly Brass DF043 0 Item Number 22 1 N O Q LU N No Reg d 1 029 ep Figure 19 Bypass Valve Assembly Brass Part Number 17290 17290NP 13399 13399NP 11726 11972 11978 13604 01 15727 11986 11979 11989 Description bypass valve body 3 4 bypass valve body 3 4 nickel plated bypass valve body 1 bypass valve body 1 nickel plated seal bypass plug bypass side cover label screw side cover lever bypass screw hex head 1 4 14 Model 6700 Downflow
5. with the valve In Service While in the Program Mode the control continues to operate normally monitoring water usage and keeps all displays up to date Control programming is stored in memory permanently There is no need for battery backup power Control Operation During A Power Failure During a power failure all control displays are kept up to date using battery backup power Once backup power fails these displays and valve programming are stored for use upon power re application The control retains these values for years if necessary without loss The control is fully inoperative and any calls for regeneration are delayed The control upon power re application resume normal operation from the point that it was interrupted An indication that a power outage has occurred is an inaccurate or flashing Time Of Day display 10 Model 6700 Downflow Water Conditioner Flow Diagrams Downflow Brining Single Backwash Positions Double Backwash Positions Black Cycle Cam Blue Cycle Cam Part Number 17438 Part Number 40609 Service Position Service Position 1 Backwash Position 1 First Backwash Position 2 Brine Slow Rinse Position 2 Brine Slow Rinse Position 3 Rapid Rinse Position 3 Second Backwash Position 4 Brine Tank Fill Position 4 Rapid Rinse Position Service Position 5 Brine Tank Fill Position Service Position Service Position DF033 0 Figure 8 Service Position Model 6700 Downflow Water Con
6. 1 19079 21 1 17438 1 40609 22 1 15151 23 2 10218 24 1 10302 25 2 17876 26 1 19313 112 1 19313 116 27 1 40042 01 1 40042 02 28 1 40041 01 1 40041 02 29 1 18615 01 30 31 1 18679 32 1 17845 33 1 17841 xx 34 1 17842 xx 35 4 12681 36 1 40214 Description drive panel spring washer idler gear drive gear motor mounting plate drive motor 2RPM 24V 50 60Hz screw motor mount spring detent ball detent main drive gear and shaft downflow brining black B V cam downflow washer Screw component strain relief transformer 24V 9 6VA US 120V transformer 24V 9 6VA European 230V screw drive mount pin screw mounting plate mounting plate washer friction cycle cam downflow brining black single backwash cycle cam downflow brining blue double backwash Screw cycle cam microswitch downflow black insulator screw microswitch circuit board housing assembly single backwash circuit board housing assembly double backwash wire harness power wire harness power second relay terminal block option wire harness low voltage wire harness low voltage second relay terminal block option seal 9V alkaline battery not included tapered cap hinge pin bottom cover specify color top cover specify color wire nut beige not shown Screw 19 Model 6700 Downflow Meter Assembly DF158 0 Figure 17 Meter Assembly Item Number No Reg d Part
7. 3165 13167 13302 16098 13172 12626 60040 60040NP 60041 60041NP 60049 60102 71 14309 13001 04 13446 40 17218 60125 13242 14241 60084 60086 50 19313 19313 112 19313 116 BLFC 25 gpm BLFC 50 gpm BLFC 1 0 gpm For illustration see Figure 15 page 16 flow washer 25 gpm flow washer 50 gpm flow washer 1 0 gpm o ring 015 adapter BLFC retainer BLFC brine valve For illustration see Figure 15 page 16 spring brine valve retaining ring quad ring 009 cap brine valve spacer brine valve o ring 014 washer plain nylon brine valve stem seat brine valve bypass 3 4 brass bypass 3 4 nickel bypass 1 brass bypass 1 nickel For illustration see Figure 19 page 22 bypass plastic 3 4 For illustration see Figure 18 page 21 6700 piston assembly downflow For illustration see Figure 15 page 16 piston rod retainer piston rod assembly end plug assembly green piston downflow rapid rinse 6600 seal and spacer kit For illustration see Figure 15 page 16 seal spacer injector module assembly Specify injector number DLFC size BLFC size For illustration see Figure 15 page 16 6700 meter assembly For illustration see Figure 17 page 20 circuit board housing assembly For illustration see Figure 16 page 18 24V single backwash black 24V double backwash black 33 Model 6700 Downflow Notes P N 19085 Rev E 5 05
8. Model 6700 Downflow Service Manual IMPORTANT Fill in pertinent information on page 3 for future reference Model 6700 Downflow Table of Contents Job Specification Sheet aa RCM ub EU o Hc wea A ur mt a ERA e 3 General Residential Installation Check List 4 Valve Installation and Start up Procedures ooo 3 Control Start up Procedures oss iud seu AR BA LS de DER AT pe E ode x Don pb dt Bae he 6 Itb EE sie TM E pcr 6 Set Timeof DAV v irc A EROR EUR ENTERPRISE UR NOR 6 Slartan Extra Regeneration Cycles soi cubi ri ei bll rt dt a au e ie Ae 7 Set Control Programming EA KUA ea pae 7 Fast Cycl y s di a dr 8 LAS CUP A E CARE 9 Control Operation ist eli aun dd 10 Immediate Regeneration Valves with Days Between Regeneration Override Set 10 Delayed Regeneration Valves with Days Between Regeneration Override Set 10 Control Operation During Regeneration 10 Control Operation During Programming 10 Control Operation During A Power Failure 10 Water Cond
9. N N N N N N NIN N N Ss N N y A c VJ N SAS DF037 0 Figure 13 Brine Tank Fill Position Service Position xC A RIVE za vw N A gt Y H 1 AH va w AINE A gt Z DF038 0 Figure 14 Service Position 14 Model 6700 Downflow Notes Model 6700 Downflow Control Valve Assembly Not used in metered controls DF039 0 Figure 15 Control Valve Assembly 16 Model 6700 Downflow Control Valve Assembly Cont d Item Number 1 2 3 NO tA SIA 5 52 No Reg d NI Part Number 13255 13242 14449 14450 13304 10244 12281 14241 17218 14309 16590 13001 04 14919 13446 40 13315 19228 13305 13314 12638 13301 13302 13303 13163 10913 10914 10227 13166 13172 12626 13165 13167 12550 11973 16098 11981 01 10329 10330 10332 12977 13245 13244 13173 12767 15348 13497 13546 12112 13363 13296 13398 13708 18706 18706 02 13308 Description adapter clip not used 1n metered controls seal valve body assembly 1 dist valve body assembly 13 16 dist o ring distributor tube 1 o ring distributor tube 13 16 o ring top of tank Spacer piston used with black cycle cam piston rod retainer piston rod retainer HW ho
10. Timer Circuit Board VDM Valve Drive Motor EM 3 4 Paddle Wheel Flow Meter Optional T1 24V Transformer SWI Homing Switch SW2 Step Switch HCAM Homing Cam SCAM Step Cam NOTE Depending On Application Valve Step Cam Appearance Will Vary Regardless Of Cam Type Used Wiring To Switches SW1 amp SW2 Will Remain As Shown DF157 0 Figure 22 Valve Wiring Diagram Model 6700 Standard 25 Model 6700 Downflow Valve Wiring Diagram Model 6700 with Terminal Block Option TI PM 1 7 gt 23 SENSOR H S INT EARTH POWER FI P5 P11 P10 P2 P1 6 3A 250V S H 6 N O H N 6700 Timer With Second Relay Output Active PWM Paddle Wheel Flow Meter Optional F1 Timed Auxiliary Output Fuse VDM Valve Drive Motor TBI 9 Position Terminal Block T1 24V Wall Transformer NOTE A GREY 4 3 x de 9 z x tu z M dE w Jay e as ox DIE d A a o ao ejm o a z gt a wame m 2 Buck 3 4 BLACK 5 ORANGE 7 BLUE 9 ewew_ li UF LL x p BLACK C lt n N al E e 5 ka e P 7 DF167 0 SWI Homing Switch SW2 Step Switch SW3 Brine Cam Switch HCAM Homing Cam SCAM Step Cam BVCAM Brine Valve Cam 1 Sensor Input Signal Short Terminal Block Positions 6 and 7 2 Lockout Input Signal Sh
11. d 2 Softener delivers hard water A Bypass valve is open A Close bypass valve B No salt in brine tank B Add salt to brine tank and maintain salt level above water level C Injectors or screen plugged C Replace injectors and screen D Insufficient water flowing into brine tank D Check brine tank fill time and clean brine line flow control if plugged E Hot water tank hardness E Repeated flushings of the hot water tank is required F Leak at distributor tube F Make sure distributor tube is not cracked Check o ring and tube pilot G Internal valve leak G Replace seals and spacers and or piston H Flow meter jammed H Remove obstruction from flow meter I Flow meter cable disconnected or not I Check meter cable connection to plugged into meter cap timer and meter cap J Improper programming J Reprogram the control to the proper regeneration type inlet water hardness capacity or flow meter size 3 Unit uses too much salt A Improper salt setting A Check salt usage and salt setting B Excessive water in brine tank B See problem 7 page 32 C Improper programming C Check programming and reset as needed 4 Loss of water pressure A Iron buildup in line to water A Clean line to water conditioner conditioner B Iron buildup in water conditioner B Clean control and add resin cleaner to resin bed Increase frequency of regeneration C Inlet of control plugged due to foreign C Remove pist
12. ditioner Flow Diagrams Downflow Brining Backwash Position ed N N N N A N N N N N N N N N 4 N N NIN N N NIN N N N N N N N Y N a A 5 8 i S NS O Ea iii SS DF034 0 Figure 9 Backwash Position Brine Slow Rinse Position 2222 ZZ Z Z zzzzzzzzz2 CH 2222222 27772 222 2222 2 SSI SOS _ _ it DF035 0 Figure 10 Brine Slow Rinse Position 12 Model 6700 Downflow Water Conditioner Flow Diagrams Downflow Brining Second Backwash Position Double Backwash Units Only ASS S a YA l N A M E RINE VAL 2 gt A 4 Y x R dee y y y M ZZ 2 Z S 4 N N N N ar N N N N i N N S NN N N N x s N A N N Gite DF172 0 Figure 11 Second Backwash Position Double Backwash Units Only Rapid Rinse Position DF036 0 Figure 12 Rapid Rinse Position 13 Model 6700 Downflow Water Conditioner Flow Diagrams Downflow Brining Brine Tank Fill Position ilo VEN A EVG E pia Y y Ys A dl 4 Assen E N N N N N N N N N L VN amp N gt N WN A N M N N NIN N N N N N KN N B N N N N NE N N N NN N N N N
13. ean or replace injectors C Injector screen plugged C Replace screen D Line pressure is too low D Increase line pressure line pressure must be at least 25 psi at all times E Internal control leak E Change seals and spacers and or piston assembly F Improper programming F Check programming and reset as needed G Timer not operating properly G Replace timer 10 Control cycles continuously A Timer not operating properly A Replace timer B Faulty microswitches and or harness B Replace faulty microswitch or harness C Faulty cycle cam operation C Replace cycle cam or reinstall 11 Drain flows continuously A Foreign material in control A Remove piston assembly and inspect bore remove foreign material and check control in various regeneration positions B Internal control leak B Replace seals and or piston assembly C Control valve jammed in brine or backwash C Replace piston and seals and spacers position D Timer motor stopped or jammed D Replace timer motor and check all gears for missing teeth E Timer not operating properly E Replace timer F Faulty cycle cam operation F Replace cycle cam or reinstall G Faulty microswitches and or harness G Replace faulty microswitches and or harness 32 Model 6700 Downflow Service Assemblies Se i 60022 25 60022 50 60022 100 12094 12095 12097 12977 13244 13245 60032 11973 11981 01 12550 1
14. ectrical Facilities An uninterrupted alternating current A C supply is required Please make sure voltage supply is compatible with unit before installation Existing Plumbing Condition of existing plumbing should be free from lime and iron buildup Replace piping that has heavy lime and or iron build up If piping 1s clogged with iron install a separate iron filter unit ahead of the water softener Location of Softener and Drain Locate the softener close to a clean working drain and connect according to local plumbing codes Bypass Valves Always provide for the installation of a bypass valve if unit is not equipped with one CAUTION Do not exceed 120 psi water pressure Do not exceed 110 F water temperature Do not subject unit to freezing conditions Model 6700 Downflow Valve Installation and Start up Procedures 1 10 11 12 Place the softener tank where you want to install the unit NOTE Be sure the tank is level and on a firm base During cold weather 1t is recommended that the installer warm the valve to room temperature before operating Perform all plumbing according to local plumbing codes Use a 1 2 minimum pipe size for the drain Use a 3 4 drain line for backwash flow rates that exceed 7 gpm or length that exceeds 20 6 m Cut the 1 distributor tube 1 050 O D flush with top of each tank Lubricate the distributor o ring seal and tank o ring seal Place the main contro
15. flow Control Operation Immediate Regeneration Valves with Days Between Regeneration Override Set When the valve reaches its set Days Since Regeneration Override value a regeneration cycle initiates immediately This event occurs regardless of the Volume Remaining display having reached zero gallons Delayed Regeneration Valves With Days Between Regeneration Override Set When the valve reaches its set Days Since Regeneration Override value a regeneration cycle initiates at the preset Regeneration Time This event occurs regardless of the Volume Remaining display having reached zero gallons Control Operation During Regeneration In Regeneration the control displays a special Regeneration display In this display the control shows the current regeneration step number the valve is advancing to or has reached and the time remaining in that step The step number flashes until the valve completes driving to this regeneration step position Once all regeneration steps are complete the valve returns to In Service and resumes normal operation Less than 10 minutes remaining in Backwash Step 1 light is flashing Regeneration Step 1 Regen arrow is illuminated DF171 0 Figure 7 Regeneration Display Pushing the Extra Cycle button during a Regeneration cycle immediately advances the valve to the next cycle step position and resumes normal step timing Control Operation During Programming The control only enters the Program Mode
16. itioner Flow Diagrams Downflow Brining Service LI SERE palio laws RE e 11 Backwash Position aloe E EAA 12 DByine Slow Rinse Position M ruku rs Is 12 Second Backwash Position Double Backwash Units Only 13 Rapid Rinse POSUiON sd ida 13 Bring Tank Fill Position st ipa AAA LI CB a a 14 Service Position ocd td A lia ah lee ea teat a ad atte 14 Control Valve Assembly saat ee e gd eate Be aee les s 16 Valve Powerhead Assembly ul sois AA ia Ai a Ie heed 18 Meter Assembly LA PAR d OR pi ee da Re RU ERE ul s 20 Bypass Valve Assembly Plastio a A LES CERTES Dn e ae 21 Bypass Valve Assembly Brass 22 2300 Safety Brine Valve s side Oe abi indio 23 2310 Safety Brine Valve ts A RU t NE De e a la pe tes i pud 24 Valve Wiring Diagram Model 6700 Standard 25 Valve Wiring Diagram Model 6700 with Terminal Block Option 26 Service INSIFUCHONS REA TREE RS PE dario AAA 27 Brine Valve Injectors and Screen Replaceme
17. l valve on tank NOTE Only use silicone lubricant Solder joints near the drain must be done before connecting the Drain Line Flow Control fitting DLFC Leave at least 6 152 mm between the DLFC and solder joints when soldering pipes that are connected on the DLFC Failure to do this could cause interior damage to DLFC Use only Teflon tape on the drain fitting Be sure the floor under the salt storage tank 1s clean and level Place approximately 1 25 mm of water above the grid plate If a grid is not utilized fill to the top of the air check in the salt tank Do not add salt to the brine tank at this time On units with a bypass place in Bypass position Turn on the main water supply Open a cold soft water tap nearby and let water run a few minutes or until the system is free of foreign material usually solder resulting from the installation Close the water tap when water runs clean Place the bypass in the Service position and let water flow into the mineral tank When water flow stops slowly open a cold water tap nearby and let water run until air is purged from the unit Then close tap Plug the valve into an approved power source When the valve has power it drives to the In Service position Model 6700 Downflow Control Start up Procedures Display Meter Flow Indicator Extra Cycle Reserve Indicator Time Of Day Display Program Button In Service Indicator DF166 0 Regeneration Volume Remaining
18. m the following Fast Cycle Regeneration if setting up the system for the first time Push the Extra Cycle button for 5 seconds to force an extra regeneration immediately Once the valve reaches Regeneration Cycle step 1 let water run to drain for approximately 5 minutes Push the Extra Cycle button once to advance valve to Regeneration Cycle step 2 Push the Extra Cycle button once to advance valve to Regeneration Cycle step 3 Push the Extra Cycle button once to advance valve to Regeneration Cycle step 4 DORE ES Push the Extra Cycle button once more to advance the valve back to In Service Model 6700 Downflow Control Start Up Procedures Cont d Final Setup With proper valve operation verified 1 Add water to the top of the air check Manually step the valve to the Brine Draw position and allow the valve to draw water from the brine tank until 1t stops NOTE The air check will check at approximately the midpoint of the screened intake area Manually step the valve to the Brine Refill position and allow the valve to return to the In Service position automatically With the valve in the Service position check that there is approximately 1 25 mm of water above the grid in the brine tank if used Fill the brine tank with salt Setup is complete the control can now run automatically NOTE 9V alkaline battery is recommended to be installed on the battery back up harness for proper valve operation Model 6700 Down
19. nd press into brine valve hole Be sure shoulder on bushing is flush with injector body Injectors Screen Replacement E Bor a 9 10 11 12 Remove injector cap and screen discard o ring Unscrew injector nozzle and throat from injector body Screw in new injector throat and nozzle be sure they are sealed tightly Install a new screen Apply silicone lubricant to new o ring and install around oval extension on injector cap Apply silicone lubricant to three new o rings and install over three bosses on injector body Insert screws thorough injector cap and injector Place this assembly thorough hole in timer housing and into mating holes in the valve body Tighten screws Reconnect brine tube and drain line Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Check for leaks at all seal areas Check drain seal with the control in the Backwash position Plug electrical cord into outlet Set Time Of Day and cycle the control valve manually to assure proper function Make sure control valve is returned to the In Service position Be sure there is enough salt in the brine tank Start regeneration cycle manually if water is hard 27 Model 6700 Downflow Service Instructions Cont d Timer Replacement To replace timer refer to Brine Valve Injectors and Screen Replacement steps 13 1 A eee CR
20. nd push piston into valve by means of the end plug Twist yoke carefully in a clockwise direction to properly align it with drive gear Replace end plug retainer plate Place timer on top of valve Be sure drive pin on main gear engages slot in drive yoke Replace timer mounting screws Replace screw and washer at drive yoke Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Replace the control valve back cover 10 Follow njectors Screen Replacement steps 9 12 28 Model 6700 Downflow Service Instructions Cont d Seal and Spacer Replacement To replace seals and spacers refer to Brine Valve Injectors and Screen Replacement steps 1 3 1 Remove the control valve back cover Remove the control valve front cover Disconnect the meter dome signal wire from the front cover and feed it back through the control Remove screw and washer at drive yoke Remove timer mounting screws The entire timer assembly will now lift off easily Remove end plug retainer plate Pull upward on end of piston rod yoke until assembly is out of valve Remove and replace seals and spacers Take piston assembly and push piston into valve by means of the end plug Twist yoke carefully in a clockwise direction to properly align it with drive gear Replace end plug retainer plate Place timer on top of valve Be sure drive pin on main gear e
21. ngages slot in drive yoke Replace timer mounting screws Replace screw and washer at drive yoke Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Replace the control valve back cover Follow Injectors Screen Replacement steps 9 12 Meter Replacement To replace meter refer to Brine Valve Injectors and Screen Replacement steps 13 1 px 2 A 10 11 12 Remove screw holding signal wire from meter dome Remove two screws and clips at bypass valve or yoke Pull resin tank away from plumbing connections Remove two screws and clips at control valve Pull meter module out of control valve Apply silicone lubricant to four new o rings and assemble to four ports on new meter module Assemble meter to control valve NOTE Meter portion of module must be assembled at valve outlet Attach two clips and screws at control valve Be sure clip legs are firmly engaged with lugs Push resin tank back to the plumbing connections and engage meter ports with bypass valve or yoke Attach two clips and screws at bypass valve or yoke Be sure clip legs are firmly engaged with lugs Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Check for leaks at all seal areas Connect meter dome signal wire Follow Injec
22. nt 1 1 1 27 Brine Valve Replacement ii hp dei Reese pel EM e So UA aret See Spud 27 Injectors Screen Replacement 2 27 Timer Replacements oi uie A plan eto ai ia u de 28 Piston Assembly Replacement Luria a e ab ee LE LAS eee pela 28 Seal and Spacer Replacement 1 29 Meter Replacement A E E AAA AAA E Ia 29 Meter Cover Impeller 4 30 Troubleshooting asore A A SERRA AA A iba 3l Service REDI IS NI er PSI Feb E OR tne ped 33 Model 6700 Downflow Job Specification Sheet Job Number Model Number Water Test Capacity Of Unit Max Per Regeneration Mineral Tank Size Diameter Height Under Bedding Amount Type Of Media Cubic Feet Brine Tank Size Salt Setting Per Regeneration Valve Programming Water Hardness Grains P P M Treated Water Capacity Gallons Liters Regeneration Day Override Max Days Between Regen Regeneration Time Model 6700 Downflow General Residential Installation Check List Water Pressure A minimum of 25 lbs of water pressure is required for regeneration valve to operate effectively El
23. on and clean material broken loose from pipes by recent control work done on plumbing system 5 Loss ofresin through A Airin water system A Assure that well system has proper drain line air eliminator control check for dry well condition B Drain line flow control is too large B Ensure drain line flow control is sized correctly 6 Iron in conditioned water A Fouled resin bed A Check backwash brine draw and brine tank fill Increase frequency of regeneration Increase backwash time B Iron content exceeds recommended B Add iron removal from filter or parameters system 31 Model 6700 Downflow Troubleshooting Cont d PROBLEM CAUSE CORRECTION 7 Excessive water in brine tank A Plugged drain line flow control A Clean flow control B Brine valve failure B Replace brine valve C Improper programming C Check programming and reset as needed 8 Salt water in service line A Plugged injector system A Clean injector and replace screen B Timer not operating properly B Replace timer C Foreign material in brine valve C Clean or replace brine valve D Foreign material in brine line flow D Clean brine line flow control control E Low water pressure E Raise water pressure F Improper programming F Check programming and reset as needed 9 Softener fails to draw brine A Drain line flow control is plugged A Clean drain line flow control B Injector is plugged B Cl
24. onight Push and hold the Extra Cycle button for 5 seconds for delayed regeneration only to start a regeneration immediately Set Control Programming 1 Push and hold both the Program button for 5 seconds The Program arrow will illuminate when in the programming mode DF170 0 2 Set the Water Hardness Using the Set Up or Set Down buttons set the Grains Per Gallon value e 00 25 Figure 4 Set Water Hardness 056 0 3 Push the Program button to accept the above value and move to the next setting DF170 0 Model 6700 Downflow Control Start Up Procedures Cont d 4 Set the Water Hardness After Mixing Valve Use the Set Up or Set Down buttons to set the desired value NOTE The Water Hardness After Mixing Valve display can only be viewed in Metric display formats U2 and U4 8 Figure 5 Set Water Hardness After Mixing Valve 057 0 5 Push the Program button to accept the above value and move to the next setting DF170 0 6 Set Regeneration Time Use the Set Up or Set Down buttons to set the time a regeneration cycle will occur 2 00 A M Figure 6 Set Regeneration Time 058 0 7 Push the Program button to accept the above value and exit the programming mode The Program arrow will no longer be illuminated when the programming mode has been exited DF170 0 Fast Cycle Regeneration Perfor
25. ort Terminal Block Positions 8 and 9 3 Depending On Application Valve Step Cam Appearance Will Vary 4 Regardless Of Cam Type Used Wiring To Switches SW amp SW2 Will Remain As Shown Figure 23 Valve Wiring Diagram Model 6700 with Terminal Block Option 26 Model 6700 Downflow Service Instructions Brine Valve Injectors and Screen Replacement 1 Turn off water supply to conditioner a Ifthe conditioner installation has a three valve bypass system first open the valve in the bypass line then close the valves at the conditioner inlet and outlet b Ifthe conditioner has an integral bypass valve put it in the Bypass position c Ifthere is only a shut off valve near the conditioner inlet close it Relieve water pressure in the conditioner by stepping the control into the Backwash position momentarily Return the control to the In Service position Unplug electrical cord from outlet Disconnect brine tube and drain line connections at the injector body Remove the two injector body mounting screws The injector and brine module can now be removed from the control valve Remove and discard brine body o rings Brine Valve Replacement 1 2 3 Pull brine valve from injector body Also remove discard o ring at bottom of brine valve hole Apply silicone lubricant to new o ring and reinstall at bottom of brine valve hole Apply silicone lubricant to o ring on new valve assembly a
26. t water piston rod assembly piston rod end plug assembly green Screw injector mounting adapter coupling o ring adapter coupling screw adapter coupling o ring drain o ring injector o ring brine spacer o ring injector cover injector body injector nozzle specify size injector throat specify size injector screen injector cover brine valve stem brine valve seat brine valve cap brine valve spacer quad ring spring brine valve washer brine valve retaining ring BLFC fitting nut 3 8 BLFC ferrule 3 8 BLFC tube insert 3 8 BLFC button specify size o ring BLFC BLFC button retainer BLFC fitting DLFC button specify size DLFC button retainer screen brine line o ring DLFC air disperser end plug retainer screw washer screw yoke brass 1 NPT yoke brass 3 4 NPT yoke plastic 1 NPT yoke plastic 3 4 NPT drain hose barb 17 Model 6700 Downflow Valve Powerhead Assembly N a y lt NI y T N 8 g DF156 0 Figure 16 Valve Powerhead Assembly 18 Model 6700 Downflow Valve Powerhead Assembly Cont d Item Number NoReq d Part Number 1 1 14193 03 2 1 13299 3 1 13017 4 1 23045 5 1 13175 6 1 16944 7 3 11384 8 2 25005 9 2 13300 10 1 25005 10 11 1 18722 12 1 12037 13 2 13296 14 1 13547 15 1 19674 1 25651 16 2 12473 17 2 18754 18 4 17798 19 1 17844 20
27. tors Screen Replacement steps 9 12 29 Model 6700 Downflow Meter Cover Impeller Replacement To replace meter cover and or cover refer to Brine Valve Injectors and Screen Replacement steps 1 3 1 Po qe ON 8 9 Remove screw holding signal wire to meter dome Remove four screws from cover and lift cover off meter module Discard o ring Remove and inspect impeller for gear or spindle damage replace if necessary Apply silicone lubricant to new o ring and assemble to the smallest diameter on meter cover Assemble cover to meter module Be sure impeller spindle enters freely into cover Press firmly on cover and rotate if necessary to assist in assembly Replace four screws and tighten Return bypass or inlet valving to normal In Service position Water pressure automatically builds in the conditioner NOTE Be sure to shut off any bypass line Check for leaks at all seal areas Connect meter dome signal wire 10 Follow njectors Screen Replacement steps 9 12 30 Model 6700 Downflow Troubleshooting PROBLEM CAUSE CORRECTION 1 Softener fails to regenerate A Electrical service to unit has been A Assure permanent electrical interrupted service check fuse plug pull chain or switch B Timer is not operating properly B Replace timer C Defective valve drive motor C Replace drive motor D Timer programming bad improper D Check programming and reset as programming neede
Download Pdf Manuals
Related Search