H50/150 Smart
–
User Manual
Page 19 of 32
Fluid Requirements
Never use flammable or corrosive fluids with this unit.
Do not use automotive antifreeze.
Commercial antifreeze contains silicates that can damage the pump seals.
The use of automotive antifreeze will void the warranty.
Fluids should be pure and contain no impurities such as grains.
Otherwise, the impurities may damage the pump.
The use of unpurged fluids will void the warranty.
Fluids should be replaced every 6 months.
Whenever fluid is replaced, please kindly add water cleanser into fluid to keep cleaning.
For H50-500/Smart H150-1000N/Smart H150-1000NLT/Smart H150-2100NS/Smart H150-2100NSLT/Smart H150-
3000NS, the volume is 2~3 drops.
For H150-5000/H150-7000, the volume is 5~6 drops.
Note: please use liquid mixture of water 50% and glycol 50% when the setpoint the is lower than
5
℃
. Malfunctions caused by using incorrect cooling fluids will void the warranty.
Water Quality
Facility Water
Permissible (PPM)
Desirable (PPM)
Microbiological
(Algae, bacteria, fungi)
0
0
Inorganic Chemicals
Calcium
<40
<0.6
Chloride
<250
<25
Copper
<1.3
<1.0
0.020 ppm if fluid in contact with aluminum
Iron
<0.3
<0.1
Lead
<0.015
0
Magnesium
<12
<0.1
Manganese
<0.05
<0.03
Nitrates\Nitrites
<10 as N
0
Potassium
<20
<0.3
Silicate
<25
<1.0
Sodium
<20
<0.3
Sulfate
<250
<50
Hardness
<17
<0.05
Total Dissolved Solids
<50
<10
