Scope Of Delivery; Installation And Electrical Connection; Accessories; Description And Function - Wilo Multivert MVIS Notice De Montage Et De Mise En Service

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Dimensions and connections (Fig. 2).
Types
A
B
202 – 210
100
180
402 – 410
100
180
802 – 806
130
215
E* = dimensions including counter flange
5.3

Scope of delivery

• High-pressure multistage centrifugal pump
• 2 oval flanges (counter flanges) with female
thread, gaskets and screws
• Installation and operating instructions
5.4

Accessories

Contact Wilo customer service for the accessory
list.
6.

Description and function

6.1

Description of the product

Fig. 1
1 – Baseplate
2 – Stage casing
3 – Impellers
4 – Shaft
5 – Venting screw
6 – Drainage screw
7 – Counter flange
8 – Glandless motor
9 – Terminal box
10 – Outer jacket pipe
Fig. 3
2 – Stop valve on the suction side
3 – Stop valve on the pressure side
4 – Non-return valve
5 – Venting screw
6 – Drainage screw
7 – Supports for pipe or pipe clamps
8 – Suction strainer
9 – Replenishment reservoir
10 – Drinking water network
11 – Motor protection switch
12 – Lifting hooks
13 – Pedestal
HC – Minimal positive suction head
6.2

Function of the product

• Vertical, multistage pump (2 to 10 stages) with
glandless motor, with inline connections.
• In the glandless pump, all rotating parts are in
contact with the fluid. The fluid lubricates the
bearings and cools both the motor and the rotor.
The pump does not require any maintenance.
Installation and operating instructions – Wilo-Multivert MVIS
C
D
E*
F
157
212
204
50
157
212
204
50
187
252
250
80
Dimensions
H
K
L
378 – 596
20
160
354 – 596
20
160
R1 1/4
425 – 575
20
200
R1 1/2
7.

Installation and electrical connection

Installation and electrical connection may only be
performed by qualified personnel in accordance
with local regulations.
WARNING! Danger of injury!
Observe the applicable accident prevention
regulations.
WARNING! Danger due to electrical voltage!
Danger from electrical current must be
eliminated.
7.1
Receipt
Unpack the pump and dispose of the packaging
while observing environmental regulations.
7.2
Installation
Install the pump in a dry, well ventilated and
frost-free location on a flat cement surface
and secure it with the screws intended for the
purpose.
CAUTION! Risk of wear and damage to the
pump!
Foreign objects or contaminants in the pump
housing can impair the function of the product.
• It is recommended that all welding or soldering
work is completed before installing the pump.
• Flush the entire circuit before installing and com-
missioning the pump.
- To make inspection or replacement easier, the
pump must be installed in a location which is
easy to access.
- To simplify the dismantling of heavy pumps,
attach a lifting hook vertically above the pump
(Fig. 3, pos. 12).
WARNING! Risk of burns from hot surfaces!
The pump must be set up so that people cannot
come into contact with hot surfaces during oper-
ation.
WARNING! Risk of tipping over!
The pump must be anchored securely to the
ground.
CAUTION! Danger of contaminating the pump!
It is important to ensure that the pump housing
covers are removed before installation.
R
S
T
U
R1
75
12
M10
75
12
M10
100
12
M12
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