Quietside DPW-099, Руководство пользователя

Страница: 70 / 80

70
Anti Freeze & Freeze Protection
For Anti Freeze protection in the Quietside units the following products are
recommended “No
Burst”
“Fernox Alphii”
The maximum concentration allowed is 30% by volume which will protect the unit
down to approximately 5 DegF or -11 DegC
Water Quality
DPW models potable side must have the water quality within the following limits
for long life and reliable operation. The water supply should be tested to make
sure the quality is within specified limits. If there is a problem with the water
quality, contact your local water conditioning company for equipment to condition
the water supply to these appliances.
Operating this water heater with water conditions outside the specified limits will
void the warranty.
Description PH TDS
(Total
Dissolved
Solids)
Total
Hardness
Aluminum Chlorides Copper Iron Manganes
e
Zinc
Maximum
Levels
6.5 to 8.5 Up to
500 ppm
Up to
200 ppm
or 11.7
grains
hardness
Up to
0.2 ppm
Up to
250 ppm
Up to
1.0ppm
Up to
0.3 ppm
Up to
0.05ppm
Up to
5 ppm