IMP Pumps NMT(D) LAN (C) 40-100 & NMT SAN LAN (C) flanges - Handbuch (Seite 21)

-21-
GB
1 General information
1.1 Uses
The NMT (new motor technology) circulating pumps are used for the transfer
of liquid medium within systems for hot-water heating, air-conditioning and
ventilation. They are designed as single or twin variable-speed pumping
aggregates where the speed is regulated by electronic device. The pump
constantly measures pressure and flow and adjusts the speed according
to the set pump mode. The main purpose of the twin pump is uninterrupted
operation if one of the pumps fails. Common hydraulic housing is equipped
with a change-over flap and two pump heads, separately connected to the
electrical grid.
1.2
Pump labeling
NMT(D) LAN 50/120
NMT Pump family
(D) Twin pump
LAN Pump name
50 Nominal pipe diameter
120 Maximum head (in 0,1m of H
2
O)
1.3 Pump maintenance, spare parts and decommissioning
Pumps are designed to operate without maintenance for several years.
Spare parts will be available for at least 7 years from the warranty period
expiration.
This product and its components must be disposed of in an environmentally
friendly manner. Use waste collection services, if this is not possible, contact
the nearest IMP Pumps Service or authorized repairers.
2 Safety
These instructions should be studied carefully before installing or operating
the pump. They are meant to help you with installation, use and maintenance
and to increase your safety. Installation should only be performed with
regards to local standards and directives. Only qualified personnel should
maintain and service these products.
Safety functions are only guaranteed if the pump is installed, used and
maintained as described in this manual.