HRX-OM-X010
Chapter 8 Appendix
HRZ Series 8.4 Offset Function
8.4.1 Example of offset function
When the discharge temperature of the circulating fluid is at 30deg C, heat is
dissipated by 1deg C to allow the circulating fluid in your system to be 29deg C.
Under the above condition, the following process is to be performed with the
utilization of MODEs 1 to 3.
Figure 8-5 Example of Offset Function
When MODE1 is selected
This mode enables this system to exercise temperature control to obtain 31deg C
(TEMP SP value +OFFSET value), with OFFSET value set at 1deg C. Once the
discharge temperature of the circulating fluid becomes 31deg C, 1deg C-thermal
dissipation is assured to allow the circulating fluid in your system to be 30deg C.
TEMP SP value is obtained for your system.
Note that “31deg C” is recorded in TEMP PV and communication data.
Figure 8-6 When MODE1 is selected
Circulating fluid temp. in
Circulating fluid temp. in
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