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Grundfos MQ User Manual

Grundfos MQ
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English (GB)
14
The pump must be connected to the mains via a
rubber-sheathed cable with a protective earth lead.
It is possible to replace the mains supply cable.
See fig. 7.
Fig. 7
Connect the mains supply cable of the pump to the
power supply. When the cable is connected, a red
and a green indicator light on the control panel will
be on. See fig. 8.
Fig. 8
* Does not apply to pump versions for Australia.
6.3 Generator or inverter
6.4 Start-up
Before start-up, the pump must be filled with 4.5 to
5 litres of water to enable it to self-prime. See fig. 9.
The pump is self-priming with a maximum suction lift
of 8 metres.
Fig. 9
When the pump is started, it will start to self-prime.
When the pump has been primed, it will
automatically change over to normal operation. If the
priming has not been completed within 5 minutes,
the pump will stop automatically and attempt to
restart after 30 minutes. It is possible to reset the
pump manually. See point 2 in the table in section
5.1 Control panel.
7. Maintenance
Under normal operating conditions, the pump is
maintenance-free. However, it is recommended to
keep the pump clean.
If there is any risk of frost damage, drain the pump
through the drain hole and slacken the union nut on
the discharge pipe. See fig. 10. The pump must be
filled with liquid before it is started up again.
See fig. 9.
Fig. 10
TM01 9694 2600TM01 9695 2600
Caution
The MQ can be powered by a generator
or an inverter. However, the pump will
only operate satisfactorily if the
generator or inverter generates a true
sinusoidal wave with the necessary
power and voltage input.
*
TM01 9696 2600
Warning
Do not remove the pressure tank from
the pump unless it has been vented
through the air escape valve.
Never touch the electronics unless the
pump has been switched off for at
least 5 minutes.
TM01 9697 4403
H
2
O
4.5 to 5 l

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Grundfos MQ Specifications

General IconGeneral
BrandGrundfos
ModelMQ
CategoryWater Pump
LanguageEnglish

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