1
Explanation of symbols
SU300.5 | SU400.5 – 6 720 819 326 (2019/12)
35
1
Explanation of symbols
1.1
Key to symbols
Warnings
Keywords indicate the seriousness of the hazard in terms of the
consequences of not following the safety instructions.
•
NOTICE
indicates that material losses may occur.
•
CAUTION
indicates that minor to medium injury may occur.
•
WARNING
indicates that serious injury may occur.
•
DANGER
indicates possible risk to life.
Important information
Additional symbols
1.2
General safety instructions
General information
These installation and maintenance instructions are intended for
contractors.
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 close the safety valve.
▶ Only use original spare parts!
2
Product information
2.1
Intended use
The DHW cylinder is designed for heating and storing potable water.
Observe all regulations, guidelines and standards regarding potable
water that are applicable in your country.
Heat the DHW cylinder via the solar circuit exclusively using solar fluid.
Only install this DHW cylinder in sealed unvented systems.
Any other use is considered inappropriate. Any damage resulting from
inappropriate use is excluded from liability.
2.2
Data plate
The data plate is located at the top of the rear of the DHW cylinder and
includes the following details:
2.3
Standard delivery
• DHW cylinder
• Installation and maintenance instructions
Warnings in this document are framed and identified by
a warning triangle which is printed on a grey
background.
Important information in cases where there is no risk of
personal injury or material losses is identified by the
symbol shown on the left. It is bordered by horizontal
lines above and below the text.
Symbol
Meaning
▶
a step in an action sequence
a reference to a related part in the document or to other
related documents
•
a list entry
–
a list entry (second level)
Table 1
Potable water requirements
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 Potable water requirements
Pos.
Description
1
Model designation
2
Serial number
3
Actual content
4
Standby heat loss
5
Volume heated by immersion heater
6
Year of manufacture
7
Corrosion protection
8
Max. DHW cylinder temperature
9
Max. flow temperature, heat source
10
Max. flow temperature, solar
11
Connected electrical load
12
Heating water heat input
13
Heating water throughput for heating water heat input
14
With 40 °C drawable volume, heated electrically
15
Max. operating pressure, DHW side
16
Highest design pressure
17
Max. operating pressure, heat source side
18
Max. operating pressure, solar side
19
Max. operating pressure, DHW side, CH
20
Max. test pressure, DHW side, CH
21
Max. DHW temperature with electric heating
Table 3 Data plate
