Motor Cooling - Homa CR 253 W Manuel D'instructions Original

No. Description
1 Typ description
2 Serial number
3 Impeller diameter
4 Temperature of medium
5 Immersion depth
6 Weight
7 Hmax (delivery head max)
8 Hmin (delivery head min)
9 Qmax (delivery volume max) 22
10 Standard
11 Construction product test lab
12a Year type test
12b Declaration of performance
13 Build year
3.3.1. Motor
The motor consists of a stator and the motor shaft with
the rotor set. The lead for supplying power is designed
for the maximum mechanical power in accordance with
the characteristic curve or data plate of the pump. The ca-
ble entries and the lead are sealed watertight against the
conveyed medium. The shaft bearings are robust, mainte-
nance-free and permanently greased roller bearings.
General motor data
Mode of operation
Permissible temperature of medium
IP Code
Standard cable length
Voltage
Warning of rotating blade wheel!
Do not touch the rotating blade wheel or reach
through the discharge outlet into the pump chamber!
During operation, never reach into the pump cham-
ber or touch rotating parts. Before performing main-
tenance or repair work, shut the machine off and let
the rotating parts come to a standstill.
24 | EngliSH
No. Description
14 Motor type
15 IE Marking
16 Frequency
17 Voltage
18 Nominal current
19 Motor RPM
20 Power P1
21 Cos phi
Insulation class
23 Power P2
24 Start condenser
25 Operating condenser
26 Protection class
27 Operating class
28 Text field sales
S2 20min / S3 40%
35°C
IPX8
10 m
230V / 1Ph / 50Hz

Motor cooling

Adequate motor cooling is provided, even in slurp
operation, by the cooling jacket with pressure connection
on top.
3.3.5. Pump housing
The pump housing is fitted with a discharge outlet G 1 ¼"
I. Its free through passageway is 10mm.
3.3.6. Blade wheel
The blade wheel is fastened on the motor shaft and
is driven by it. The blade wheel is an open multivane
impeller.