SMC Networks HRR012-A*-20 Series User Manual

HRX-OM-W002-A
Chapter 8 Control, Inspection, Exchange and Cleaning
HRR Series 8.1 Quality Control of Circulating Fluid and Facility Water
8-1
Chapter 8 Control, Inspection,
Exchange and Cleaning
8.1 Quality Control of Circulating Fluid and Facility
Water
Table 8-1 Quality criteria for clean water (tap water)
Item
Unit
Criterion
Circulating fluid
Facility water
Standard
item
pH (at 25
o
C)
－
6.0 to 8.0
6.5 to 8.2
Electric conductance
(at 25
o
C)
[μS/cm]
100 to 300
100 to 800
Chloride ion
[mg/L]
50 or less
200 or less
Sulfuric acid ion
[mg/L]
50 or less
200 or less
Acid consumption
(at pH 4.8)
[mg/L]
50 or less
100 or less
Total hardness
[mg/L]
70 or less
200 or less
Calcium hardness
[mg/L]
50 or less
150 or less
Ion silica
[mg/L]
30 or less
50 or less
Referential
item
Iron
[mg/L]
0.3 or less
1.0 or less
Copper
[mg/L]
0.1 or less
0.3 or less
Sulfide ion
[mg/L]
Not detected
Not detected
Ammonium ion
[mg/L]
0.1 or less
1.0 or less
Residual chlorine
[mg/L]
0.3 or less
0.3 or less
Free carbon dioxide
[mg/L]
4.0 or less
4.0 or less
Quoted from the standard “JRA-GL-02-1994”, The Japan Refrigeration and Air Conditioning Industry Association.
Use specified fluids only. If other fluids are used, they may damage the
product, causing fluid leakage, or result in hazards such as electric
shock or leakage of electricity.
When using clear water (tap water), ensure that it satisfies the water
quality criteria shown in the table below.
Replace the circulating fluid and/or the facility water if any problems
are found in the regular check. Even if no problems are found, some of
the water in the tank evaporates and impurity concentration in the
circulating fluid increases. Replace the circulating fluid on the tank
once in every 3 months. Refer to the section "8.2 Inspection,Exchange,
Cleaning" for regular inspection.

SMC Networks HRR012-A*-20 Series Specifications

General

Brand	SMC Networks
Model	HRR012-A*-20 Series
Category	Chiller
Language	English