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IN313 0706

INSTALLATION
AND OPERATING
INSTRUCTIONS

MCWS/CWS SERIES
RESIDENTIAL
WATER SOFTENER

TWO TANK MODELS:

 MCWS075ME 

CWS075ME

MCWS100ME CWS100ME
MCWS150ME CWS150ME
MCWS200ME CWS200ME
MCWS300ME CWS300ME

a 3M company

CUNO Incorporated

12628 US 33 North

Churubusco, IN 46723,  U.S.A.

(Installer: Please leave with homeowner)

CAUTION:

 Damage to the system can occur (including 

possible mineral tank structure failure resulting in a water 
leak), if system is subjected to a vacuum. The installer 
should take appropriate measures to prevent a vacuum. 
This would include the installation of an appropriate device 
in the supply line to the system, i.e. a vacuum breaker or 
backflow protection device. 

Vacuum damage voids the 

factory warranty.

Summary of Contents for MCWS075ME

Page 1: ...usco IN 46723 U S A Installer Please leave with homeowner CAUTION Damage to the system can occur including possible mineral tank structure failure resulting in a water leak if system is subjected to a...

Page 2: ...te disinfection before or after the system To reduce the risk associated with a hazardous voltage due to installation on a home system that requires use of the cold water system as a safety ground If...

Page 3: ...ually trouble free service Before starting the instal lation we suggest you read this manual all the way through for an overview and then follow the installation steps in the proper sequence IMPROPER...

Page 4: ...e items The pumping rate of thewellpumpmustbesufficienttoaccommodatethese items plus the backwashing requirements of the water softener Consultyourdealerforalternativeinstructions if the pumping rate...

Page 5: ...Y SECONDARY TANK CHECK VALVE PRESSURE OUTPUT SOLENOID VALVE TO 110 V PRIMARY TANK PRESSURE PRESSURE SWITCH TANK PRESSURE OUTPUT TO 110 V TREATED WATER TREATED WATER WELL WATER RAW SOLENOID VALVE CHECK...

Page 6: ...WELL SAFETY BRINE VALVE ASSEMBLY BRINE LINE ELBOW INJECTOR COVER OFF OFF OFF OFF Step 7 Attach DRAIN LINE to DRAIN LINE FITTING To preventbackpressurefromreducingflowratebelow minimumrequiredforbackwa...

Page 7: ...may be necessary when unusual operating conditions exist such as high concentrations of iron mang 2 3 Some areas prohibit the use of flexible drain lines Check with local code officials prior to inst...

Page 8: ...salt fill to brine tank and one 1 cup eight ounces of unscented laundry bleach to the brine well Step 17 Put your new water softener through a complete regeneration to sanitize the system prior to use...

Page 9: ...t itself If an extended power outage occurs the time of day will flash on and off which in dicated the time of day should be reset The system will remember the rest If the word error and a number are...

Page 10: ...ay shows day IRU HVWHUGD DQG DVKHV WKH number of gallons treated yesterday Pressing the button will show day 2 which would be the day before yesterday and flashes the number of gallons treated on ORZ...

Page 11: ...p Gallons total used since start up This display shows the total gallons This display shows the total days since startup Press the NEXT button to go to the next step Press REGEN to return to previous...

Page 12: ...y To initiate a manual regeneration at the present delayed regeneraton time press and release REGEN The words REGEN TODAY will flash on the display to indicate that the system will regenerate at the p...

Page 13: ...once a year if rock salt is used with other types of salt approximately once every other year PREVENTINGIRON FOULINGOFMINERALBED If iron is present in the water supply the softener mineral bedwilleve...

Page 14: ...Check piston and spacer stack valve assembly c High drive forces on piston c Replace piston s and spacer stack assembly d Control valve piston not in home d Press NEXT and REGEN for 3 position second...

Page 15: ...Replace main or regenerant piston a AC Adapter unplugged a Connect AC Adapter b No electric power at outlet b Repair outlet or use working outlet c Broken drive gear or c Replace drive gear or drive...

Page 16: ...are not fully engaged the piston rod is not in hole the wires are jammed between the drivebracket and drive back plate or the gear is not engaging the drive cap assembly To inspect the drive gears th...

Page 17: ...OXJ SRZHU VRXUFH MDFN EODFN ZLUH DQG SOXJ back in This resets the electronics and establishes the service SLVWRQ SRVLWLRQ 7KH GLVSOD VKRXOG DVK DOO ZRUGLQJ WKHQ DVK WKH VRIWZDUH YHUVLRQ H J DQG WKHQ U...

Page 18: ...UHPRYH LW IURP WKH VKDIW R QRW XVH D ZLUH EUXVK WR FOHDQ WKH WXUELQH LSH ZLWK D FOHDQ FORWK RU FKHPLFDOO FOHDQ LQ GLOXWH VRGLXP ELVXO WH RU YLQHJDU 7KH WXUELQH FDQ EH LPPHUVHG LQ WKH FKHPLFDO R QRW L...

Page 19: ...hite spots on glassware and dark surfaces 8 Low water pressure low flow rate 9 Rotten egg smell from hot water ONLY 10 Rotten egg smell from both hot and cold water 11 Lossofresinthrough drain line SO...

Page 20: ...3 8 h s a w k c a B 3 3 3 3 4 e s n i R d i p a R 3 1 5 3 l l i f e R e n i r B 51 5 51 7 52 11 53 Approximate Total Time 84 61 63 65 69 T P N 1 T P N 1 T P N 1 T P N 1 T P N 1 e z i S t e l t u O t...

Page 21: ...0P H 075P H 10P X2 H 10P X3 Brine Line Tubing 13000X 13000X 13000X 13000X 13000X Brine Tank Complete Brine Tank Complete w Extension Kit BT1534X BT1534X BT1534X BT1534X EXT BTCS33BK Overflow Fitting B...

Page 22: ...ption 1 Assembly r e v o C t n o r F 1 0 5 7 1 3 V 1 1 r o t o M 1 0 7 0 1 3 V 2 3 V3106 01 Drive Bracket Spring Clip 1 1 oard B C P 8 0 1 3 V 4 3 6 3 x 2 1 r a e G e v i r D 0 1 1 3 V 5 1 r e v o C r...

Page 23: ...V3005 Spacer Stack Assembly 1 1 1 1 p Assembly a C e v i r D 4 0 0 3 V 2 1 e t a l P k c a B e v i r D 8 7 1 3 V 3 4 V3011 Piston Down ow Assembly 1 5 V3174 Regenerant Piston 1 8 2 2 g n i r O 5 3 1 3...

Page 24: ...c e j n I 6 7 1 3 V 1 1 5 3 1 g n i r O 2 5 1 3 V 2 1 1 n e e r c S r o t c e j n I 7 7 1 3 V 3 4 V3010 1Z Injector ASY Z Plug 5 V3010 1B INJECTOR ASY B BROWN V3010 1C INJECTOR ASY C VIOLET V3010 1E I...

Page 25: ...a r D 1 p i l C g n i k c o L w o b l E 5 1 6 4 H 2 1 1 8 3 t r e s n i e b u t y l o P 6 P P C J 3 1 8 3 t u N K L B P 6 G P C J 4 1 8 3 p a C w o b l E 3 1 6 4 H 5 1 9 1 0 g n i r 0 3 6 1 3 V 6 1 BL...

Page 26: ...olytube insert 5 8 PKP10TS8 BULK 2 3 V3192 Nut Drain Elbow 4 V3158 01 Drain Elbow Male 1 1 1 1 1 9 1 0 g n i r O 3 6 1 3 V 5 6 V3159 01 DLFC Retainer Assembly 7 One DLFC must be used if WWLQJ LV XVHG...

Page 27: ...Description 1 C Q 1 t u N 1 5 1 3 V 1 1 Meter Assembly includes drawing 3 4 3 0 0 3 V 2 1 e n i b r u T 1 0 8 1 1 3 V 3 1 5 1 2 g n i r 0 5 0 1 3 V 4 1 Meter Plug Assembly 1 0 3 0 0 3 V 5 3 4 5 1 2 7...

Page 28: ...ect 2 2 Split Ring 0 5 1 3 V 2 2 2 5 1 2 g n i R O 5 0 1 3 V 3 4 V3 Fitting 3 4 Brass Sweat Assembly Quantity Order No V3007 05 Description Fitting 1 1 4 Plastic Male NPT Assembly Drawing No Order No...

Page 29: ...4 1 3 V 4 2 6 4 1 3 V 5 2 7 4 1 3 V 6 7 Bypass Rotor Seal Retainer 2 2 5 3 1 g n i r O 2 5 1 3 V 8 2 2 1 1 g n i r O 5 5 1 3 V 9 2 4 1 2 g n i r O 6 5 1 3 V 0 1 V3191 01 Vertical Adapter Assembly Orde...

Page 30: ...93 01 Although no tools are necessary to assemble or disassemble the valve the wrench shown in various positions on the valve may be purchased to aid in assembly or disassembly 7 10 SECTION 7 PARTS CO...

Page 31: ...l be to repair at its expense and at no charge to the original purchaser consumer any Product that is actually defective malfunctioning or otherwise in violation of this Warranty If CUNO for any reaso...

Page 32: ...CUNO Aqua Pure and MacCLEAN are trademarks of 3M Company used under license 2006 3M Company All rights reserved...

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