STULZ UltraWater 3-stage reverse osmosis system SUW
Information on this guide
© STULZ GmbH, Hamburg
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1.
INFORMATION ON THIS GUIDE
This guide is part of the product package. It must be made accessible to all persons performing assembly,
installation, start-up and maintenance work on the product.
1.1. Using the guide
This guide contains basic instructions to be followed during erection, operation and maintenance. The guide
is intended for all persons performing assembly, installation, start-up and maintenance work on the product.
It must always be kept in the same place as the product.
Make sure that people responsible for operating the product and all persons working on the product have
fully read and understood this guide. Please contact the Service hotline if you have any queries.
As well as the general safety instructions contained in this section, please also pay attention to the special
safety notes in the other sections. Furthermore, all local statutory safety measures must be observed.
1.2. Abbreviations
Table 1: Abbreviations
Abbreviation
Name
Explanation
A
Ampere
SI unit: electrical current
DC
Direct current
─
GND
Ground
Ground wire or signal ground
min
Minute
SI unit
N
Neutral wire
─
NC
Normally closed
Relay contact
NO
Normally open
Relay contact
s
Second
SI base unit
V
Volt
SI unit: electrical voltage
°C
Celsius
Unit of temperature
μS/cm
Micro-Siemens per centimeter
Unit for the conductivity of water
°dH
German degrees of hardness
Unit of water hardness
SDI
Silt Density Index
─
TrinkwV
Trinkwasserverordnung
German Drinking Water Regulations
PE
Polyethylene
Type of plastic
WxHxD
Width x height x depth
Unit of measurement
DixH
Diameter x height
Unit of measurement
l/h
Liters per hour
Flow rate
l/d
Liters per day
Flow rate
TFC
Thin film composite
Type of membrane
Item
Item number
Item in a drawing
STU
Start-up
─