MAINTENANCE WITH Q&A
Page 5-9
The demineralizer • lter
should be replaced
when the color change
reaches 3" (7.62cm)
from the bottom of the
cartridge. Damage will
occur if the cartridge is
not replaced when the
color changes from dark
blue to orange-brown.
CAUTION
Make sure that the
rubber gaskets at
each end are properly
o r i e n t e d b e f o r e
tightening the locking
ring.
CAUTION
HUMIDITY SYSTEM MAINTENANCE
(Optional Equipment)
1. The outer casing of the demineralizer • lter is transparent
and the crystals are visible. A new cartridge is violet or dark
blue once water has been circulated through it. A spent
cartridge will turn brown, orange, yellow or white. The
cartridge should be changed before it completely changes
color. Spare cartridges are available through the Cincinnati
Sub-Zero Products' Service Department.
CHANGING THE CARTRIDGE
(Optional Equipment)
1. To change the demineralizer • lter cartridge, close the valve,
and loosen the large, white-locking ring on the bottom of
the cartridge and rack. This will reduce the pressure on the
cartridge. Push the cartridge straight up and pull the lower
part of the cartridge out.
Reverse the operation when replacing the cartridge. SEE
CAUTION.
2. Check the compression • ttings on the humidity panel
periodically for tightness.
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