Operation With Frequency Converter; Operation In An Explosive Atmosphere; Technical Data - Wilo Rexa PRO Instrucciones De Instalación Y Funcionamiento

en
4.4 Operation with frequency con-
verter
4.5 Operation in an explosive atmo-
sphere
4.6

Technical data

148
Product description
controller! If only one temperature limiter is installed, the motor must not emerge
during operation.
▪ Max. fluid and ambient temperature: The max. ambient temperature corresponds to the
max. fluid temperature shown on the rating plate.
Operation on the frequency converter is permitted. Refer to the appendix for the relev-
ant requirements!
ATEX approval
FM approval
CSA-Ex approval
Key: - = not available/possible, o = optional, • = as standard
For use in explosive atmospheres, the pump must be marked as follows on the rating
plate:
▪ "Ex" symbol of the corresponding approval
▪ Ex classification
For the relevant requirements, refer to the explosion protection chapter in the ap-
pendix of these installation and operating instructions!
ATEX approval
The pumps are suitable for operation in potentially explosive atmospheres:
▪ Device group: II
▪ Category: 2, zone 1 and zone 2
These pumps must not be used in zone 0!
FM approval
The pumps are suitable for operation in potentially explosive atmospheres:
▪ Protection class: Explosionproof
▪ Category: Class I, Division 1
Notice: If the cabling is carried out according to Division 1, installation in Class I, Divi-
sion 2 is also permitted.
General
Date of manufacture [MFY]
Mains connection [U/f]
Power consumption [P ]
1
Rated power [P ]
2
Max. delivery head [H]
Max. volume flow [Q]
Activation type [AT]
Fluid temperature [t]
Protection class
Insulation class [Cl.]
Speed [n]
Max. switching frequency
- Motor P 13:
- Motor P 17:
Max. immersion depth [8]
Cable length (standard version)
Explosion protection
Operating modes
Immersed [OTs]
P 13
•
•
-
See rating plate
See rating plate
See rating plate
See rating plate
See rating plate
See rating plate
See rating plate
3...40 °C
IP68
F (optionally: H)
See rating plate
50/h
15/h
20 m
10 m
ATEX, FM
S1
P 17
•
•
-
WILO SE 2019-02