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S
A
ETUP AND
SSEMBLY
10
System Drain
When the cartridge(s) needs changing, the water in the
system must be drained. A 5 foot length of 1/4" I.D. vinyl
tubing is attached for this purpose. This tubing may be
routed to any open or atmospherically vented drain that is
located such that draining can be accomplished by gravi-
ty. If no convenient drain is available, the tubing may be
cut to an appropriate length for draining into a large bottle
or beaker.
Product Water Output
A 5 foot length of 7/16" I.D. vinyl tubing is supplied to
deliver the deionized water. This tubing may be routed to
any Barnstead MEGA-PURE® Water Still or other suit-
able container. The end of this tube must be at least one
foot higher than the base of the D1 or D2 or air may be
drawn into the system causing degradation of the output
water.
Power and Plumbing
Requirements
Electrical
Barnstead MEGA-PURE® Deionizers will plug into any
standard 3-prong, 120V, grounded receptacle. They oper-
ate on 50/60 HZ and current draw is less than 1/10
ampere. The power cord is 7 feet long.
Water Supply
Demineralizers require a 5 — 100 psig water supply.
Input water temperature must not exceed 40°C. Sodium
(NaCl) regenerated pretreatment systems (water soften-
ers) are not acceptable. The high sodium content will
reduce cartridge life by as much as 80%.
A 5 foot, 1/4" O.D., High Pressure tubing and a 1/8" N.P.T.
fitting are supplied to attach to your water supply.
Customer must supply the Shut-off Valve shown in Figure
2, and also the appropriate fittings to match the factory-
supplied 1/8" N.P.T. fitting.
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