GESTRA NRS 1-54, Оригинальная инструкция по установке

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18
Start
Activity Display Function
Switch on supply voltage.
LED “Power” is illuminated.
MAX LED and pump LED are illuminated as a function of the water level
Checking switchpoint and function (fill control)
Lower water level until it
is below “Pump ON” level.
Electrode rod “Pump ON” is
exposed.
Pump LED illuminated green. Pump output contact 17/18 closed, 16/18 open.
Fill vessel until water level
“Pump OFF” is exceeded.
Electrode rod “Pump OFF” is
submerged.
Pump LED is not illuminated. Pump output contact 16/18 closed, 17/18 open.
Checking switchpoint and function (discharge control)
Fill vessel until water level
“Pump ON” is exceeded.
Electrode rod “Pump ON” is
submerged.
Pump LED illuminated green. Pump output contact 17/18 closed, 16/18 open.
Lower water level until it is
below “Pump OFF” level.
Electrode rod “Pump OFF” is
exposed.
Pump LED is not illuminated. Pump output contact 16/18 closed, 17/18 open.
Commissioning
- continued -
Level switch NRS 1-54: Checking switchpoint and function
TEST button
MAX LED red/green
Fig. 16
Pump LED red/green
LED “Power”
To commission the equipment switch water level control system to manual operation.
Make sure that installation is in manual operation mode when you fill or discharge the
steam boiler or vessel.
Danger