Double Pump Installation/Y-Pipe Installation - Wilo -Stratos GIGA Inbouw- En Bedieningsvoorschriften
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Zie ook voor Wilo-Stratos GIGA:
- Inbouw- en bedieningsvoorschriften (75 pagina's) ,
- Inbouw- en bedieningsvoorschriften (88 pagina's)
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Fig. 45: Ventilation valve
9.2
Double pump installation/Y-pipe
installation
Fig. 46: Setting the master pump
Installation and operating instructions Wilo-Stratos GIGA, Stratos GIGA-D, Stratos GIGA B
• Vent the pumps by loosening the air vent valves (Fig. 45, Item 1). Any
dry running would destroy the mechanical seal of the pump. The dif-
ferential pressure sensor must not be vented (risk of destruction).
WARNING! Danger due to extremely hot or extremely cold pressu-
rised fluid!
Depending on the temperature of the fluid and the system pres-
sure, when the venting screw is opened completely, extremely hot
or extremely cold fluid in liquid or vapour form may escape or shoot
out at high pressure.
• Always exercise caution when opening the venting screw.
• Protect the module box from any water escaping when venting.
WARNING! Danger of burns or freezing to the pump when body
parts come into contact with the pump!
Depending on the pump or system operating conditions (fluid tem-
perature), the entire pump can become very hot or very cold.
• Keep a safe distance during operation!
• Allow the pump/system to cool off/warm up before performing any
work.
• Always wear protective clothing, protective gloves and protective
goggles when working.
WARNING! Danger of injury!
If the pump/system is installed improperly, liquid may be ejected
during commissioning. Individual components may also become
loose.
• Keep a safe distance from the pump during commissioning.
• Wear protective clothing, protective gloves and protective gog-
gles.
DANGER! Risk of fatal injury!
Falling pumps or pump parts may result in life-threatening injuries.
• When performing installation work, protect the pump components
against falling.
NOTE:
For double pumps, the left-hand pump in the direction of flow is
already factory-configured as the master pump.
NOTE:
For the initial commissioning of a Y-pipe installation that has not
been preconfigured, both pumps are set to their factory setting. After
connecting the double pump communication cable, the error code
"E035" is displayed. Both drives run at the emergency operation
speed.
On acknowledgement of the error message, menu <5.1.2.0> is dis-
played and "MA" (= master) flashes. In order to acknowledge "MA",
"access disable" must be deactivated and service mode must be
active (Fig. 46).
Both pumps are set to "master" and "MA" flashes on the displays of
both electronic modules.
• Acknowledge one of the two pumps as master pump by pressing the
red button. The status "MA" appears on the display of the master
pump. The differential pressure sensor must be connected on the
master.
The measuring points of the differential pressure sensor of the master
pump must be on the suction and pressure side of the double-pump
system in the respective collector pipe.
The other pump will then display the status "SL" (= slave).
All further pump settings must now be made via the master only.
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