Denco CAIRplus Operation Manual page 44

Installation
6.3.4 Installing humidifier
Quality
Appearance
pH value
Total salt concentration
Electrical conductivity
(at reference temperature 20 °C)
Calcium
Carbonate hardness
Total hardness
Chloride
Sulphate
Consumption KMnO
4
Microbial count
Legionella bacteria
44
Refer to the supplied documentation for instructions on assembly and installation.
•
Also observe the German Drinking Water Act (Trinkwasserverordnung – TWVo).
The following recommendation applies "Guide values for the quality of water circulating
in the spray humidifier (air washer)" (in accordance with: VDI 3803 "HVAC systems.
Constructional and technical requirements", February 2010, Appendix A, Table A1).
Room-air quality
IDA 4 according to EN
(to be determined depending on the system)
–
–
TSC g/m³
mS/m
μS/cm
2+ 3
Ca mol/m
3
g/m
KH °dH
GH °dH
3
mol/m
-
CL
3
g/m
3
mol/m
2-
SO
4
3
g/m
3
g/m
CFU (colony
forming units)/
mL
CFU/100 mL
Notice!
When installing a water-softening unit DencoHappel recommends to repeat the
water analysis. The total salt concentration shall not exceed 250 g/m³! The elec-
trical conductivity shall not exceed 300 µS!
Risk of damage to the unit!
•
Do not operate honeycomb humidifiers with fully demineralized water.
Room-ventilation system equipment for:
Room-air quality
IDA 2, IDA 3 or IDA 1 according to EN
13779 for IT rooms
indirect evaporative cooling
klar, farblos und ohne Bodensatz
< 800
< 100
< 1000
< 1.5
< 150
< 50
< 1000
ATTENTION
PR-2009-0096-GB • Subject to modifications • R8-10/2015
Room-air quality
IDA 1 according to EN
13779 13779 for sterile and
cleanrooms
7 to 8.5
< 250 < 100
< 30 < 12
< 300 < 120
> 0.5
> 20
< 4
< 7
< 5
< 180
< 1
< 100
< 20 < 10
< 100 < 10
< 100
CAIRplus