Grundfos Fire NKF 150-400, Инструкция по установке и эксплуатации

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11. Service, spare parts, accessories
The installation and/or use of such products may negatively alter
and thus impair the specified properties of the pump unit.
The usage of non-original spare parts and accessories renders
any liability on behalf of Grundfos for resulting damages null and
void.
Any malfunctions which cannot be repaired, should only be
corrected by Grundfos or authorised specialist companies.
Please provide an exact description in the event of a malfunction
so that our service technician can prepare and provide the
appropriate spare parts.
Please obtain the technical data for the system from the
nameplate.
12. Warranty
The warranty is governed by the framework of our general terms
of delivery. Liability for any damage which is a result of errors
during installation, electrical connection or incorrect use, as well
as liability for consequential damage, is excluded. The start of the
warranty period is to be verified.
13. Accompanying documentation
These operating instructions are to be used in conjunction with
the following documentation:
• Wiring diagram for controller
• Fire NKF operating instructions
• Engine operating instructions
• Controller operating instructions
• Pressure transmitter operating instructions
• Installation instructions from the coupling manufacturer.
14. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
8. Engine temperature
too high.
a) Insufficient cooling liquid. Refill cooling liquid. See section 9.3.2 Cooling system .
b) Diaphragm valve blocked or defective. Clean or replace diaphragm valve. As an emergency
measure, open shut-off fittings to the bypass pipe.
c) Heat exchanger defective. Replace heat exchanger.
9. Engine does not
reach nominal
speed.
a) Incorrect speed setting. Please contact Grundfos.
b) Fuel filter partially blocked. Change fuel filter. See section 9.5 Changing the fuel
filter .
c) Air in fuel system. Vent fuel system.
d) Traces of water in the fuel. Drain condensate from the fuel filter. See section
9.3.3 Fuel system .
e) Turbocharger or charge air cooler defective
(not all models)
Replace turbocharger and charge air cooler.
10. Battery voltage too
low.
a) Cell short in starter battery. Replace starter batteries.
b) Wiring of the battery charging circuit damaged
or insufficient terminal contact.
Check wiring and replace if necessary. Check terminal
connections and tighten if necessary.
c) Insufficient power supply to the control
cabinet. Check power supply.
d) V-belt tension too low. Check V-belt tension and correct if necessary.
e) Battery charging unit defective. Replace battery charging unit.
11. Strong exhaust gas
colouring.
a) Dirty air filter. Replace air filter.
Fault Cause Remedy
Note
We explicitly state that spare parts and
accessories not supplied by Grundfos are not
inspected or approved by Grundfos.