York YHAU-CL Series, Установка, эксплуатация и обслуживание

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JOHNSON CONTROLS
148
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 7 – MAINTENANCE
TABLE 34 - CHILLED WATER, COOLING WATER, AND HOT WATER QUALITY CONTROL
ELEMENT (1)
(3)
COOLING WATER CHILLED WATER HOT WATER TENDENCY (2)
Circulating
Water
Feeding
Water
Circulating
Water
Feeding
Water
Circulating
Water
Feeding
Water
Corrosion
Scale
Forming
PH (77°F) 6.5~8.2 6.0~8.0 6.8~8.0 6.8~8.0 7.0~8.0 7.0~8.0
Conductivity
Factor (mS/m)
(77°F)
Less than
80
Less than 30 Less than 40 Less than 30 Less than 30 Less than 30
(µS/cm) (77°F)
(Less than
800)
(Less than
300)
(Less than
400)
(Less than
300)
(Less than
300)
(Less than
300)
Chloride Ion
(Cl
-
/l)
Less than
200
Less than 50 Less than 50 Less than 50 Less than 30 Less than 30
Sulfulic Ion
(mgSO
4
2-
/I)
Less than
200
Less than 50 Less than 50 Less than 50 Less than 30 Less than 30
Oxygen
Consumption
(PH4.8)
(mgCaCO
3
/I)
Less than
100
Less than 50 Less than 50 Less than 50 Less than 50 Less than 50
Hardness
(mgCaCO
3
/I)
Less than
200
Less than 70 Less than 70 Less than 70 Less than 70 Less than 70
Calcium
Hardness
(mgCaCO
3
/I)
Less than
150
Less than 50 Less than 50 Less than 50 Less than 50 Less than 50
Ionized Silica
(mgSiO
2
/I)
Less than
50
Less than 30 Less than 30 Less than 30 Less than 30 Less than 30
Iron (mgFe/I)
Less than
1.0
Less than 0.3 Less than 1.0 Less than 0.3 Less than 1.0 Less than 0.3
Copper
(mgCu/I) Less than
0.3
Less than 0.1 Less than 0.1 Less than 0.1 Less than 0.1 Less than 0.1
Sulfurization Ion
(mgS
2-
/I)
nil nil nil nil nil nil
Ammonium Ion
(mgNH
4
+
/I)
Less than
1.0
Less than 1.0 Less than 1.0 Less than 1.0 Less than 1.0 Less than 1.0
Residual
Chlorine
(mgCI/I)
Less than
0.3
Less than 0.3 Less than 0.3 Less than 0.3 Less than 1.0 Less than 0.3
Floating
Carbonate
(mgCO
2
/I)
Less than
4.0
Less than 4.0 Less than 4.0 Less than 4.0 Less than 4.0 Less than 4.0
Stability Index 6.0~7.0 - - - - -
NOTES:
(1)Names and units are according to JIS K 0101-91.
(2)The symbol indicates the factor re-rated to corrosion and scale forming.
(3)Units and figures inside parentheses ( ) are according to conventional units and shown for reference.