Rev. A 12-2018
26
MTEC.ERAH.GB-A-1 Operation and maintenance manual ERAH MC HT Ka series English
RAH MC HT Ka
Water chiller - high ambient temperature operation
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Cooling mode:
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4.13 Chemical characteristics of the water
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Oxygen O
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Electrical conductivity
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Nitrates NO
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Sulphates SO
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NH
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Bicarbonate HCO
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H
2
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Chloride Cl
PJO
Chlorites
Assente
Phosphate PO4 3
PJO
Free chlorine
PJO
Carbon dioxide CO
2
PJO
Langeliers index - (pH - pS - pAlc - pCa)
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Ryznar’s Stability index - (2x (pS + pAlc + pCa) - pH)
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