KSB CHTRa, Инструкция по установке и эксплуатации

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2 Safety
12 of 116
CHTRa
The warranty relating to the operating reliability and safety of the supplied pump
(set) is only valid if the equipment is used in accordance with its intended use.
2.10 Explosion protection
!
DANGER
Always observe the information on explosion protection given in this section when
operating an explosion-proof pump set.
Sections of the manual marked by the symbol opposite apply to explosion-proof
pump sets also when temporarily operated outside of potentially explosive
atmospheres.
Only pumps/pump sets marked as explosion-proof
and identified as such in the data
sheet may be used in potentially explosive atmospheres.
Special conditions apply to the operation of an explosion-proof pump set to
EU Directive 2014/34/EU (ATEX).
Especially adhere to the sections in this manual marked with the symbol opposite.
The explosion-proof status of the pump set is only assured if the pump set is used in
accordance with its intended use.
Never operate the pump set outside the limits stated in the data sheet and on the
name plate.
Prevent impermissible modes of operation.
2.10.1 Marking
Pump The marking on the pump refers to the pump part only.
Example of such marking:
II 2 G c TX (EN 13463-1) or II 2G Ex h IIC T5-T1 Gb (ISO 80079-36)
Refer to the individual Temperature Limits table for the temperatures permitted for
the individual pump variants.
The pump complies with the requirements of type of protection constructional safety
"c" to ISO 80079-37.
Shaft coupling An EC manufacturer's declaration is required for the shaft coupling; the shaft
coupling must be marked accordingly.
Motor The motor must be considered separately.
2.10.2 Temperature limits
In normal pump operation, the highest temperatures are to be expected at the
surface of the pump casing, at the shaft seal and in the bearing areas.
The surface temperature at the pump casing corresponds to the temperature of the
fluid handled. If the pump is heated in addition, the operator of the system is
responsible for observing the specified temperature class and fluid temperature
(operating temperature).
The table below lists the temperature classes and the resulting theoretical
temperature limits of the fluid handled (a potential temperature rise in the shaft seal
area has been taken into account).
Table 3: Temperature limits [°C]
Temperature class to EN 13463-1 or
ISO 80079-36
Maximum permissible temperature of the
fluid handled [°C]
T1 Temperature limit of the pump
T2 Temperature limit of the pump
T3 185
T4 120
T5 85