Carel homeSteam UM 001, Installation And Operation Manual, Page: 9 / 30

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cod. carel +030221900 rel. 2.0 dated 05/03/01 31
:$7(5&211(&7,216
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The humidifier must be supplied with mains water with the following characteristics:
Œ
pressure between 0.1 and 0.8 MPa (1 to 8bar; 14,5 to 116,1PSI), temperature between 1 and 40 °C and an instant flow-
rate of min. 0.6 l/min.;
Œ
hardness no greater than 40°fH (equal to 400 ppm of CaCO
3
), conductivity: 125 ÷ 1250
µ
S;
Œ
absence of organic compounds;
other characteristics:
LIMITS
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Min Max
pH level
S+
- 7 8,5
Conductibility at 20 °C
σ
5ƒ&
- µS/cm 300 1250
Total dissolved solids
F
5
- mg/l (*) (*)
Solid residue at 180 °C
5
- mg/l (*) (*)
Total hardness
7+
- mg/l CaCO
3
= 500
Temporary hardness - mg/l CaCO
3
= 300
Iron + Manganese - mg/l Fe + Mn = 0,2
Chloride - ppm Cl = 30
Silicon di-oxyde - mg/l SiO
2
= 20
Residual chlorine - mg/l Cl
-
= 0,2
Calcium Sulphate - mg/l CaSO
4
= 100
(*) Values depend on specific conductibility; usually: c
R
≅
0,65 *
σ
R, 20 °C
; R
180
≅
0,9 *
σ
R, 20 °C
7DE
LIMITS
/,0,79$/8(6)25/2:&21'8&7,%,/,7<:$7(5
Min Max
pH level
S+
- 7 8,5
Conductibility at 20 °C
σ
5ƒ&
- µS/cm 125 450
Total dissolved solids
F
5
- mg/l (*) (*)
Solid residue at 180 °C
5
- mg/l (*) (*)
Total hardness
7+
- mg/l CaCO
3
= 200
Temporary hardness - mg/l CaCO
3
= 150
Iron + Manganese - mg/l Fe + Mn = 0,2
Chloride - ppm Cl = 20
Silicon di-oxyde - mg/l SiO
2
= 20
Residual chlorine - mg/l Cl
-
= 0,2
Calcium Sulphate - mg/l CaSO
4
= 60
(*) Values depend on specific conductibility; usually: c
R
≅
0,65 *
σ
R, 20 °C
; R
180
≅
0,9 *
σ
R, 20 °C
7DE
A G¾ fitting is used for the water connection.
1RWH
: no relationship can be demonstrated between the hardness and the conductivity of the water.
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This may lead to the formation of
foam, with potential operating problems or anomalies.
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1. the use of well water, industrial water or water from cooling circuits and, in general, any potentially chemically or
bacteriologically contaminated water;
2. the addition to the water of disinfectants or corrosion inhibiters, as these are potential irritants.