W 120-5 O – 6 720 819 306 (2018/10)
24
Explanation of symbols
1
Explanation of symbols
1.1
Explanation of symbols
Warnings
The following signal words are defined and can be used in this
document:
•
NOTICE
indicates that material damage may occur.
•
CAUTION
indicates a hazardous situation which, if not avoided,
could result in minor to moderate injury.
•
WARNING
indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
•
DANGER
indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
Important information
Additional symbols
1.2
General safety instructions
General
These installation and maintenance instructions are
intended for specialists.
Failure to observe the safety instructions can result in
serious injuries.
▶ Read and follow the safety instructions.
▶ Observe these installation and maintenance
instructions to ensure trouble-free operation.
▶ Install and commission heat sources and their
accessories according to the relevant installation
instructions.
▶ To reduce oxygen permeation and therefore
corrosion to a minimum, do not use vapour-
permeable components! Never use open, vented
expansion vessels.
▶
Never close the pressure relief valve.
2
About the product
2.1
Intended use
The DHW cylinder is designed for heating and storing potable water.
Please observe national, regional, and local codes, regulations,
guidelines and standards for potable water.
Install this DHW cylinder only in sealed unvented systems.
Any other purpose is considered improper use. Any damage that may
result from non-intended use is excluded from liability.
2.2
Data plate
The data plate is located at the top rear of the DHW cylinder and includes
the following details:
2.3
Supplied parts
• Hot water cylinder
• Installation and maintenance instructions
Warnings in this document are indicated by a warning
triangle printed against a grey background.
In addition, signal words at the start of a warning are
used to indicate the type and seriousness of the ensuing
risk if measures to prevent the risk are not taken.
This symbol indicates important information where
there is no risk to people or property.
Symbol
Meaning
▶
Action step
Cross-reference to other points in this document
or to other documents
•
Listing/list entry
–
Listing/list entry (2nd level)
Table 1
Requirements for potable water
Unit
Water hardness, min.
ppm
grain/US gallon
°dH
36
2.1
2
pH value, min. – max.
6.5 – 9.5
Conductivity, min. – max.
μS/cm
130 – 1500
Table 2 Requirements for potable water
Item
Description
1
Model designation
2
Serial number
3
Actual capacity
4
Standby heat loss
5
Volume heated by immersion heater
6
Year of manufacture
7
Corrosion protection
8
Max. DHW temperature, cylinder
9
Max. flow temperature, heat source
10
Max. flow temperature, solar
11
Connected electrical load
12
Heating water heat input
13
Heating water flow rate for heating water heat input
14
Output volume at 40 °C electrically heated
15
Max. operating pressure, on the domestic hot water side
16
Highest design pressure
17
Max. operating pressure, heat source side
18
Max. operating pressure, solar side
19
Max. operating pressure on the domestic hot water side, CH
20
Max. test pressure on the domestic hot water side, CH
21
Max. DHW temperature with electric heating
Table 3 Data plate
