Series n4000, n4500, n5000 installation operation and maintenance manual water factory systems ® n4000, n4500, n5000 reverse osmosis (ro) drinking water appliance cuno incorporated 400 research parkway meriden, ct 06450 tele: (203) 237-5541 fax: (203) 238-8701 98-8807 0300
Introduction this manual explains the installation and maintenance instructions for the water factory systems’ n4000, n54500, n5000 series reverse osmosis (ro) drinking water appliances. Please read each section of this manual carefully. The specific model chosen should be appropriate for the local ...
Installation instructions a. Determine system location (figure. 1&2) the appliance can be located under a sink or in a basement depending on space availability and the customer’s preference. If a basement installation is selected, additional tubing, hardware and fittings may be needed and a hole wil...
B) drill 3/16” hole at the desired location. To prevent shock hazard, use a battery operated drill. C) turn valve handle clockwise to expose piercing lance beyond the rubber gasket no more than 3/16”. D) assemble saddle valve on the supply pipe by screwing the two halves together. Use the “v” side o...
The customer should be consulted before determin- ing faucet location. The faucet should be positioned so that it empties into the sink and the spout swivels freely for convenience. If the sink already has a hole provided that can accommodate the ro faucet, then no drilling is required and you can p...
On air gap faucet. Push on firmly until it seats. E) feed the air gap tubing and threaded nipple through sink/counter mounting hole and orient the faucet as discussed with the customer. F) from below sink/counter assemble the white spacer (open end up, open side toward air gap), flat washer and hex ...
C) connect yellow 1/4” tubing from purification assembly to storage tank. D) route special red “sfc” tube from purification assembly module (factory made connection) toward faucet. Do not cut this special sfc tube. Its length is important to maintain proper efficiency and perform- ance. E) cut the s...
8 c) familiarize family members with the general operation of their new ro drinking water appliance. In particular, note the following: • the faucet handle positions, down for momentary flow, and up for continuous flow. Also, note the moveable spout. • the location of the feed valve and tank shut of...
C) connect 1/4" yellow tubing from purification assembly to storage tank. D) route special red "sfc" tube from purification assembly module (factory made connection) to stan- dard green 1/4" tubing from drain. Connect tubes with the 1/4" coupling fitting on the end of "sfc" tube. Installation troubl...
Internal flow path. Replace air gap module if necessary. Problem: chlorine or other unpleasant taste/odor after initial tank filling. Cause: residual preservative/sanitizer still in water. Solution: drain and fill tank several times if necessary. Problem: noise in drain ("gurgling" or "dribbling" so...
11 feed water valve installation (fig. 3) ( important: see note on state requirements below.) drain connection installation (fig. 4) for 3/8” od tubing use side of bracket with projections. Nut/seal piercing lance for 7/16” - 1/2” od tubing or rigid pipe use “v” side of bracket. Insert plastic sleev...
12 chrome base plate rubber washer slotted washer spacer flat washer threaded nipple hex nut 3/8” faucet adapter blue 1/4” product water tubing air gap hole 1/4” standard green tubing special red “sfc” tube from ro black 3/8” reject tubing to drain blue 1/4” product water tubing how to use ‘push-in’...
Operation and maintenance i. Important water quality assurance requirements reverse osmosis drinking water appliances contain treatment components that are critical for effective reduction of total dissolved solids as well as inor- ganic chemical contaminants. Water factory systems strongly recommen...
G) turn on feed water and carefully check for leaks. Iii. Replacing ro membrane module the life of the ro membrane depends on local water chemistry and proper maintenance, e.G., regu- lar filter changes. Under typical conditions, the ro membrane life ranges from 18 months to three years. Unlike filt...
Standard 2.5 gallon tank - 1/2 teaspoon (3 ml) alternate size tanks -1/2 teaspoon (3 ml) per 2.5 gallons of tank capacity. E) turn on the feed water valve to force water and sanitizer into the tank. Allow about three minutes of fill time for a standard 2.5 gallon tank. (it should feel heavy.) f) the...
