SMC Networks HRS090-A, Operation Manual, Page: 171 / 196

HRX-OM-S004
Chapter 7 Control, Inspection and Cleaning
HRS Series
7.3
Consumables
7-7
7.2.5 Inspection during winter season
„ Anti-freezing function
This function prevents freezing of the circulating fluid while the product stops
operation in the winter season with heat generated by automatically operating
the pump. When there is a possibility of the circulating fluid freezing due to
changes in the installation or operating environment (e.g. season, weather), set
this function ON in advance.
*For details, refer to “5.11 Anti-freezing function”.
„ Warming up function
This function maintains the circulating fluid temperature to the set warming-up
temperature with heat generated by automatically operating the pump in the
winter season or at night.
When the time required for increasing the temperature of the circulating fluid
needs to be shortened at startup, set this function ON in advance.
*For details, refer to “5.17 Warming up function”.
„ Anti-snow coverage function (Air cooled type)
This function prevents snow coverage on the exhaust port on top of the product
during the winter time by automatically operating the fan periodically.
When there is a possibility of snow coverage due to changes in the installation or
operating environment (e.g. season, weather), set this function ON in advance.
*For the details, refer to “5.18 Warming up function”.
„ For freezing of the facility water
When there is a possibility of the facility water being frozen, make sure to
discharge all the facility water from the facility water circuit.
*For the details, refer to “7.4.2 Discharge of the facility water”.
7.3 Consumables
Replace the following parts depending on their condition.
Table 7-5 Consumables
Part number Name Qty. Remarks
HRS-S0213 Dust-proof filter (Lower) 1 pc HRS150-A : 2 pcs are used per unit
HRS-S0214 Dust-proof filter (Upper) 1 pc HRS100/150-A : 2 pcs are used per unit
HRS-S0307 Mechanical seal set 1 pc 1 set is used per unit
Keep the power supply ON for these functions. These functions do not
start when the power is OFF.