SMC Networks HRS090-A, Operation Manual

Page: 169 / 196

HRX-OM-S004
Chapter 7 Control, Inspection and Cleaning
HRS Series
7.2
Inspection and Cleaning
7-5
„ Replacement of circulating fluid
z
Replace the circulating fluid with new clean fluid periodically, or it may get algae or
decompose.
z
Circulating fluid to be supplied in the tank should satisfy the water quality specified in
“
Table
7
-
1”.
z
When using 15% ethylene glycol solution, check that the concentration is within the
range of 15% +5/-0.
z
Do NOT use chlorine-based or such types of detergents or cleansers.
z
When using the Y strainer provided as an accessory for piping, clean the screen
mesh inside the strainer at the same time as when replacing the circulating fluid.
Ensure that there is no circulating fluid in the thermo-chiller, user's equipment, and
piping. Remove the cap and take out the screen mesh inside, and clean the screen
mesh with compressed air or detergent. Use caution not to damage the screen
mesh.
„ Clean the customer's facility water system (water cooled type)
z
Clean the customer's facility water system and replace facility water.
z
Facility water quality must satisfy the criteria specified in “
Table
7
-
1”
If there is foreign matter accumulated or clogging in the facility water
system, pressure loss increases with less flow rate, and it may damage
the screen mesh.