80447162 Rev B EN-9
EN
Table 3 : Acceptable Limits for Cooling Water Constituents
ACCEPTABLE MAXIMUM LIMITS
Substance Test Interval Fresh Water
(Brazed Plate Heat Exchanger)
Dirty Water / Sea Water
(Shell & Tube Heat Exchanger)
Langelier Index (LI) Monthly 0 to 1 -0.5 to 2.5
Ammonia [NH3 ], ppm Monthly <1 <2
Ammonium [NH4-1], ppm Monthly <2 <5
Chlorides [Cl-], ppm Monthly <80 <1000
Copper [Cu], ppm Weekly <0.01 <0.5
Dissolved Oxygen (DO) [O2], ppm Monthly <0.1 <3
Iron + Manganese [Fe + Mn], ppm Monthly <0.3 <2
Nitrate [NO3 -], ppm Monthly <100 <125
Oil & Grease, ppm Monthly <5 <5
Silicon Dioxide (silica) [SiO2], ppm Monthly <30 <100
Sulfates [SO4-2], ppm Monthly <70 <250
Integrated Dryer
Do not connect condensate drains common to other pressurized drain
lines in a closed circuit. Make sure the out ow from the condensate drains
is unimpeded. Connect the condensate piping in such a way to ensure that
sound levels are kept to a minimum during drainage.
Ensure that all condensate is disposed of in a responsible manner, in
compliance with all applicable standards and regulations (local, state,
country, federal, etc.).
The ambient air around the dryer and compressor shall not contain solid
or gaseous contaminants. All compressed and condensed gases can
generate acids or chemical products which may damage the compressor or
components inside the dryer. Take particular care with sulphur, ammonia,
chlorine and installations in marine environments.
Environmental Limits
The standard compressor package is designed for the following conditions:
Indoors only
Area not considered to be a high dust area.
Ambient temperature range 2 to 46 °C (5-115 °F)
Ingersoll Rand o ers the following options for xed speed compressors that
extend the environmental limits:
Outdoor modi cation
Low ambient option (-23 to 46 °C / -15 to 115 °F) at sea level
High ambient option (2 to 55 °C / 5 to 13 1 °F) at sea level
High dust air lter
High dust package lter
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