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SE.33.C.178.1905
Assembly instructions | Grundfos UPM3 Auto L 15/70
Introduction
Grundfos UPM3 Auto L 15/70 is a compact,
energy-saving and high-performance pump spe-
cifically developed for the OEM market. LK uses
UPM3 Auto L in several products because of its
good characteristics.
The pump has ten different setting options, three
curves for Proportional Pressure, three curves for
Constant Pressure and four curves for Constant
Curve. The recommendation for underfloor heat-
ing is Constant Pressure and a curve that is adap-
ted to conditions for the installation. The pump is
set to Proportional Pressure, curve three, on
delivery.
Operating mode / Settings mode
Grundfos UPM3 Auto L indicates in normal oper-
ation the power used by the pump (stated in per
cent of maximum capacity) in accordance with the
table below.
Table, overview of operating mode.
To show the setting currently in use by the pump,
give the button a short press . Read the selected
mode by studying the settings menu. After two
seconds the indicator returns to operating mode.
Grundfos UPM3 Auto L 15/70
To change the pump setting press the button on
the pump for 2-10 seconds, when the pump will
show the selected setting in accordance with the
settings menu. Pressing the button shifts the
pump between the different settings. Adjust to the
desired setting using the menu.
Note that for floor heating Constant
Pressure is
recommended with a curve that is suitable for the
installation needs.
Note!
The pump is set to Proportional Pressure,
curve three, on delivery.
This must be manually changed to Constant
Pressure by the installer when the pump is
used in floor heating installations.
To show the current setting, press
once on the button
To view the settings menu, hold the
button pressed for 2-10 seconds
When the setting changes are com-
plete, the pump returns to operat-
ing mode after 10 seconds
