Wilo Comfort CO R-MVI Serie Manual Del Usuario página 61

English
Captions
Fig. 1a Example, pressure boosting system, control
device above the pumps
"CO(R)-4 HELIX V.../CC"
Fig. 1b Example, pressure boosting system, control
device next to the pumps
"CO(R)-3 HELIX V.../CC"
Fig. 1c Example, pressure boosting system, control
device in separate free-standing cabinet
(BM)
"CO(R)-3 HELIX V.../CC"
Fig. 1d Example, pressure boosting system, control
device in separate free-standing cabinet
(BM)
"CO(R)-3MVI70.../CC"
Fig. 1e Example, pressure boosting system, control
device above the pumps
"COR-2HELIX VE...CCe"
Fig. 1f Example, pressure boosting system, control
device next to the pumps
"COR-4HELIX VE...CCe"
1 Pumps
2 Control device
3 Base frame
4 Inlet collecting pipe
5 Pressure collecting pipe
6 Shut-off device on the intake side
7 Shut-off device on the pressure side
8 Non-return valve
9 Diaphragm pressure vessel, 8 litres
10 Throughflow fitting
11 Pressure gauge
12 Pressure sensor
13 Mounting bracket for fixation of the control
device
14 Low-water cut-out switchgear (WMS),
optional
Fig. 2 Pressure sensor kit
9 Diaphragm pressure vessel
10 Throughflow fitting
11 Pressure gauge
12a Pressure sensor
12b Pressure sensor (plug), electrical connection,
PIN assignment
16 Draining/venting
17 Stop valve
2
Fig. 3 Throughflow fitting operation/pressure
testing the diaphragm pressure vessel
9 Diaphragm pressure vessel
10 Throughflow fitting
A Opening/closing
B Draining
C Checking the supply pressure
Fig. 4 Information table: nitrogen pressure,
diaphragm pressure vessel (example)
(supplied as a sticker!)
a Nitrogen pressure according to the table
b Start-up pressure, base-load pump, in bar PE
c Nitrogen pressure in bar PN 2
d Notice: Nitrogen measurement without water
e Notice: Attention! Introduce nitrogen only
Fig. 5a Protection against low water level (WMS) kit
11 Pressure gauge
14 Low-water cut-out switchgear (WMS),
optional
16 Draining/venting
17 Stop valve
22 Pressure switch
23 Plug connector
Fig. 5b Protection against low water level (WMS) kit,
pin assignment and electrical connection
22 Pressure switch (type PS3)
23 Plug connector
23a Plug connector type PS3-4xx (2-core)
(normally closed contact)
23b Plug connector type PS3-Nxx (3-core)
(changeover contact)
Core colours
BN BROWN
BU BLUE
BK BLACK
WILO SE 07/2017