Sanyo Carrier 16LJ Series, Installation Instructions Manual

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2
4.4 - exhibit Le (cont.)
4.4.6 - Boiler water quality
Ref: JIS-B-8223-1989
Kind of boiler Cylindrical boiler Water tube boiler Multibubular boiler
Maximum operating pressure (MPa) 1 1 1
Kind of make-up water Softening water Softening water Softening water
Feed water
pH (at 25°C) 7 - 9 7 - 9 7 - 9
Calcium hardness (mgCaCo
3
/l) below 1 below 1 below 1
Fat and oils (mg/l) keep low keep low keep low
Dissolved oxygen (mg o/l) keep low keep low keep low
Iron (mg Fe/l) ----- below 0.3 below 0.3
residue on evaporation (mg/l) ----- ----- -----
Conductivity (at 25°C) (µS/cm) ----- ----- -----
Acid consumption (pH 4.8) (M-alkalinity) (mgCaCo
3
/l) ----- ----- -----
Acid consumption (pH 8.3) (P-alkalinity) (mgCaCo
3
/l) ----- ----- -----
Hydrazine (mgN
2
H
4
/l) ----- ----- -----
Chloride ion (mgCl
-
/l) ----- ----- -----
Phosphoric acid ion (mgPo
4
3- /l) ----- ----- -----
b
oiler water
Processing Alkali treatment Alkali treatment Alkali treatment
pH (at 25°C) 11.0-11.8 11.0-11.8 11.0-11.8
Acid consumption (pH 4.8) (M-alkalinity) (mgCaCo
3
/l) 100 - 800 100 - 800 100 - 800
Acid consumption (pH 8.3) (P-alkalinity) (mgCaCo
3
/l) 80 - 600 80 - 600 80 - 600
residue on evaporation (mg/l) below 2500 below 2500 below 2500
Conductivity (at 25°C) (µS/cm) below 4000 below 4000 below 4000
Chloride ion (mgCl - /lit) below 400 below 400 below 400
Phosphoric acid ion (mgPo
4
3-
/l) 20 - 40 20 - 40 20 - 40
Sulphurous acid ion (mgSo
3
2- /l) 10 - 50 10 - 50 10 - 50
Hydrazine (mgN
2
H
4
/l) 0.1- 1.0 0.1- 1.0 0.1- 1.0