Grundfos 185 Notice D'installation Et De Fonctionnement page 12

6. Operation
6.1 Control cabinet
H15 H28 H29 H42
1 1
S18 S22 S32 S37
1 1
Control cabinet
Pos. Symbol Description
Operation mode switch:
Manual operation: "man"
S3
Off: "0"
Automatic operation: "auto"
1
Green lamp: Lights up when the valve of
H15
container battery 1 is completely opened.
1
Red lamp: Lights up when the valve of
H28
container battery 1 is completely closed.
2
Green lamp: Lights up when the valve of
H29
container battery 2 is completely opened.
2
Red lamp: Lights up when the valve of
H42
container battery 2 is completely closed.
1
Key to open the valve of container battery 1 in
S18
manual operation mode.
1
Key to close the valve of container battery 1 in
S22
manual operation mode.
2
Key to open the valve of container battery 2 in
S32
manual operation mode.
2
Key to close the valve of container battery 2 in
S37
manual operation mode.
12
2 2
2 2
S3
6.2 Change-over device
4
185-1
1
4
185-2
1
3
2
Control elements of the 185 change-over device
Pos. Description
1 Contact manometer
2 Manual ball valves of the bypass lines
3 Manual ball valve of the outlet line
4 Servomotor with ball valve of container battery 1
5 Servomotor with ball valve of container battery 2
6.3 Operation modes
Two operation modes can be selected with the operation mode
switch (S3).
Automatic operation mode
1. Turn switch (S3) to "auto".
Operation starts automatically.
Manual operation mode
1. Turn switch (S3) to "man".
2. Press the respective keys to set the change-over device to the
desired container battery.
The manual operation mode disables the automatic
change-over function.
The manual operation mode must only be used for
startup, maintenance and repairs.
Related information
6.1 Control cabinet
6.2 Change-over device
5
5
2