en
Product description
10
WILO SE 2019-02
Operating mode S2: Short-time duty
The maximum operating period is specified in minutes,
e.g. S2-15. The pause must last until the machine temperature
no longer differs from the temperature of the coolant by more
than 2 K.
Operating mode S3: Intermittent periodic duty
This operating mode defines a switching cycle in a combination
of periods of operation and standstill. Specified value (e.g.
S3 25 %) relates to the operating time. The switching cycle has a
duration of 10 min.
If two values (e.g. S3 25 %/120 s) are specified, the first value
relates to the operating time. The second value specifies the max.
period of the switching cycle.
4.4
Operation with frequency converter
Operation on the frequency converter is not permitted.
4.5
Operation in an explosive atmosphere
Operation in an explosive atmosphere is not permitted.
4.6
Technical data
General
Date of manufacture
[MFY]
See rating plate
Mains connection [U/f]
See rating plate
Power consumption [P
1
] See rating plate
Rated power [P
2
]
See rating plate
Max. delivery head [H]
See rating plate
Max. volume flow [Q]
See rating plate
Activation type [AT]
See rating plate
Fluid temperature [t]
3…40 °C
Pressure connection
DN 32/DN 40/Rp 1¼
Protection class
IP68
Insulation class [Cl.]
F
Speed [n]
See rating plate
Max. switching fre-
quency
30/h
Max. immersion depth
[
8
]
See rating plate
Cable length (standard
version)
10 m
Explosion protection
-
Operating modes
Immersed [OTs]
S1
Non-immersed [OTe]
S2-15, S3 10%*
* Operating mode S3 25 % is permitted if the necessary motor
cooling is guaranteed before the motor is switched on again! To
ensure the required cooling, the motor must be completely im-
mersed for at least 1 min.
Statement of date of manufacture
The date of manufacture is stated in accordance with ISO 8601:
JJJJWww
ƒ
JJJJ = year
ƒ
W = abbreviation for week
ƒ
ww = calendar week
4.7
Type key
Example: Wilo-Rexa CUT GI03.31/S-M15-2-523/P
CUT Series
GI
Grinder pump with internal macerator
03
Nominal diameter of the pressure connection: DN 32
31
Max. delivery head in m
S
Surface-cooled motor with stainless steel housing
M
Mains connection version: M = 1~, T = 3~
15
/10 = rated power P
2
in kW
2
Number of poles
5
Frequency mains connection: 5 = 50 Hz, 6 = 60 Hz
23
Code for rated voltage
P
Additional electrical equipment:
Without = with bare cable end
P = with plug
4.8
Scope of delivery
ƒ
Pump
ƒ
Cable with plug or bare cable end
ƒ
Single-phase current version with capacitor switchgear
ƒ
Installation and operating instructions
4.9
Accessories
ƒ
Cable lengths in fixed length increments of 10 m (33 ft) up to
max. 30 m (99 ft) in single-phase current version or max. 50 m
(164 ft) in three-phase current version
ƒ
Suspension unit
ƒ
Pump support foot
ƒ
External pencil electrode for sealing chamber control
ƒ
Level control devices
ƒ
Fixation accessories and chains
ƒ
Switchgear, relays and plugs
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