Xylem LOWARA e-SHE Series - Protection Class; Electrical Specifications; Sound Pressure; Materials in Contact with the Liquid

en – Original Instructions
e-SHE, e-SHS
– Additional Installation, Operation and Maintenance Instructions 43
NOTICE:
If a motor other than the one supplied with the
pump unit
is used, check the maximum number
of starts shown in the motor manual.
8.5 Protection class
IP 55.
8.6 Electrical specifications
See the motor data plate.
Permitted tolerances for the supply voltage
Frequency Hz
Phase ~
No. of conductors + earth
UN, V ± %
50
1
2 - 1
220-240 ± 6
3
3 - 1
230/400 ± 10, 400/690 ± 10
60
1
2 - 1
220-230 ± 6
3
3 - 1
220/380 ± 5, 380/660 ± 10
8.7 Sound pressure
Measured in free field at a distance of one metre from the unit, with standard motor operating
without load.
50 Hz, 2-pole, @2900 min
-1
motors
≤ 70 dB except:
Model
LpA, dB ± 2
50-250/150, 65-200/150, 80-160/150, 40-250/150
71
50-250/185, 65-200/185
71.5
50-250/220, 80-160/185, 65-200/220, 80-200/220
72
65-250/300, 80-200/300
74
65-250/370, 80-200/370
74.5
50 Hz, 4-pole, @1450 min
-1
motors
≤ 70 dB.
8.8 Materials in contact with the liquid
Identification
code
Pump body
Impeller
SS
Pressed stainless steel 1.4404 (AISI 316L)
Pressed stainless steel 1.4404 (AISI 316L)
SN
Pressed stainless steel 1.4404 (AISI 316L)
Cast stainless steel 1.4408 (cast AISI 316)
8.9 Mechanical seal
Unbalanced single acc. EN 12756, version K.