HRX-OM-M005
Chapter 7 Product Maintenance
HRZD Series
7.3 Storage
7-3
7.2.2 Quarterly
inspection
Table 7-3 Quarterly Inspection
Inspection item
Inspection method
Circulating fluid is to be drained for check.
Fluid should be free of particles, moisture
*1
and foreign substances.
For ethylene glycol solution, confirm that the concentration falls within the
specified range.
Circulating fluid
Recommended to replace the water.
Facility water
Facility water quality should be within the standards specified.
Ventilation hole and electrical
parts
No particles and dust should be present.
7.3 Storage
The following should be performed for long-term
storage of the product.
1.
Drain the circulating fluid. See section 7.3.1 “Draining of circulating fluid
out of tank” for details.
2.
Drain the facility water. See section 7.3.2 “Draining of facility water” for
details.
3.
Cover the product with a plastic sheet for storage.
Quarterly inspection requires an advance lockout/tagout of the
product. See section 1.5.3 “Lockout/Tagout” in Chapter 1 Safety
Instructions” for details.
Moisture trapped in the fluorinated fluid (*1) freezes in the heat
exchanger element and piping, which may lead to system failure.
Summary of Contents for HRZD020-W1S-W1S
Page 24: ...HRX OM M005 Chapter 2 Name of Each Section 2 1 Name of Each Section HRZD Series 2 2 ...
Page 98: ...HRX OM M005 Chapter 5 Product Operation 5 3 Operation Screen HRZD Series 5 54 ...
Page 128: ...HRX OM M005 Chapter 8 Appendix 8 8 Thermo Chiller Daily Inspection Sheet HRZD Series 8 20 ...