Liebherr SRTvh 1511 Perfection handleiding

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Liebherr

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Handleiding

7.4 Interfaces

There are various connection options on the back of the

appliance.

Fig. 185

Note

Screws secure the plugs. To enable disconnection of the

plugs, loosen the screws on the left and right.

Fig. 186

(1)

Potential-free alarm

output

(2) Connection for P sensor

7.4.1 Potential-free alarm output

WARNING

Risk of injury due to electric shock!

The appliance may only be connected to an external

alarm device by trained specialist personnel.

These three contacts can be used to connect a visual or

an acoustic alarm device. The connection is designed for

a maximum of 30 V (DC) - 8 A from a safety low voltage

source SELV (minimum current 150mA).

Fig. 187

(1)

NO (normally open)

Connection for indi‐

cator lamp, which is

active in normal opera‐

tion or when the appli‐

ance is switched off.

(3) NC (normally closed)

Connection for alarm

lamp or audible alarms,

which is active when

an alarm is triggered or

there is a lack of power

supply.

(2) COM (common)

External voltage

source

7.4.2 Connection for P sensor

Fig. 188

(1)

IN+ (measuring line +) (3) FORCE (supply +)

(2) IN- (common return

line -)

8 Maintenance

8.1 Maintenance schedule

Maintenance work is to be performed at regular intervals to

ensure proper appliance function.

CAUTION

Danger of injury and damage due to unprofessional mainte‐

nance work!

Personal injury and material damage.

Maintenance work may only be performed by trained

specialist personnel.

WARNING

Short-circuit hazard due to live parts!

Electric shock or damage to the electronics.

Switch off the appliance.

Pull out mains plug or switch off fuse.

Note

A maintenance reminder function can be activated.

(see6.2.8 Maintenance interval reminder )

Note

We recommend creating a maintenance log in which all

work (repairs, checks) performed is documented.

Note

Liebherr recommends yearly maintenance. For an individual

offer, please contact Customer Service (see 9.3 Customer

Service) .

Component Activity Maintenance interval

Sheet metal parts Check for damage and corrosion.

Replace damaged parts: (see 9.3 Customer Service)

Yearly

Maintenance

38 * Depending on model and options

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