DeDietrich DHW 100 HL Troubleshooting guide

EN
Domestic hot water tank
100 HL
M002324-B
Installation, User
and Service
Manual
300026877-001-02

Contents
1 Safety instructions and recommendations ..............................................4
1.1 Safety instructions ...............................................4
1.2 Recommendations ................................................4
1.3 Liabilities ...............................................................5
1.3.1 Manufacturer’s liability .............................................5
1.3.2 Installer’s liability .....................................................5
1.3.3 User’s liability ..........................................................6
2About this manual ......................................................................................7
2.1 Symbols used .......................................................7
2.1.1 Symbols used in the manual ...................................7
2.1.2 Symbols used on the equipment .............................7
2.2 Abbreviations ........................................................7
3Technical specifications ............................................................................8
3.1 Homologations ......................................................8
3.1.1 Certifications ...........................................................8
3.1.2 Directive 97/23/EC ..................................................8
3.1.3 Factory test .............................................................8
3.2 Technical specifications ......................................8
3.2.1 Characteristics of the DHW calorifier ......................8
3.2.2 Specifications of the DHW sensor ...........................9
3.2.3 Domestic hot water circulating pump ......................9
4Technical description ..............................................................................10
4.1 General description ............................................10
5 Installation ................................................................................................11
5.1 Regulations governing installation ...................11
5.2 Package list .........................................................11
5.2.1 Standard delivery ..................................................11
5.3 Choice of the location ........................................12
5.3.1 Type plate .............................................................12
5.3.2 Positioning of the appliance ..................................12
5.3.3 Main dimensions ...................................................13
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5.4 Positioning the appliance ..................................14
5.5 Fitting the DHW sensor ......................................16
5.6 Installing the domestic hot water temperature
sensor - Cable routing ........................................16
5.7 Installing the domestic hot water flow rate limiter
diaphragm ...........................................................16
5.8 Hydraulic connections .......................................17
5.8.1 Connecting the primary boiler circuit .....................17
5.8.2 Hydraulic connection of the secondary drinking water
circuit .....................................................................17
5.9 Electrical connections ........................................20
5.9.1 Recommendations ................................................20
5.9.2 Connecting the domestic hot water sensor ...........20
5.9.3 Connecting the DHW heating pump ......................21
5.9.4 Connecting the plate exchanger outlet ..................21
5.9.5 Connecting the impressed current anode .............21
5.9.6 Terminal block .......................................................22
5.10 Filling the system ...............................................23
5.10.1 Filling the domestic hot water circuit .....................23
5.10.2 Filling the primary boiler circuit ..............................23
6 Commissioning ........................................................................................24
6.1 Check points before commissioning ................24
6.1.1 Hydraulic circuits ...................................................24
6.1.2 Electrical connection .............................................24
Contents
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6.2 Commissioning procedure ................................25
7 Checking and maintenance .....................................................................26
7.1 General instructions ...........................................26
7.2 Safety valve or safety unit .................................26
7.3 Cleaning the casing material .............................26
7.4 Impressed current anode ...................................26
7.5 Cleaning the plate heat exchanger ...................27
7.6 Draining the installation .....................................28
7.7 Specific maintenance operations ......................28
7.8 Maintenance form ...............................................30
8 Spare parts ................................................................................................31
8.1 General ................................................................31
8.2 Spare parts ..........................................................32
9 Warranty ....................................................................................................34
9.1 General ................................................................34
9.2 Warranty terms ...................................................34
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1 Safety instructions and
recommendations
1.1 Safety instructions
CAUTION
Before any work, switch off the mains supply to
the appliance.
1.2 Recommendations
CAUTION
Do not neglect to service the appliance. Service
the appliance regularly to ensure that it operates
correctly.
WARNING
Only qualified professionals are authorised to
work on the appliance and the installation.
WARNING
Heating water and domestic water must not
come into contact with each other. Domestic
water must not circulate via the exchanger.
4To take advantage of the guarantee, no modifications
must be made to the appliance.
4To reduce heat losses as much as possible, insulate
the pipes.
Casing components
Only remove the casing for maintenance and repair
operations. Put the casing back in place after
maintenance and repair operations.
Instructions stickers
The instructions and warnings affixed to the appliance
must never be removed or covered and must remain
legible during the entire lifespan of the appliance.
Immediately replace damaged or illegible instructions and
warning stickers.
100 HL 1. Safety instructions and recommendations
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1.3 Liabilities
1.3.1. Manufacturer’s liability
Our products are manufactured in compliance with the
requirements of the various applicable European
Directives. They are therefore delivered with [ marking
and all relevant documentation.
In the interest of customers, we are continuously
endeavouring to make improvements in product quality.
All the specifications stated in this document are therefore
subject to change without notice.
Our liability as the manufacturer may not be invoked in the
following cases:
4Failure to abide by the instructions on using the
appliance.
4Faulty or insufficient maintenance of the appliance.
4Failure to abide by the instructions on installing the
appliance.
1.3.2. Installer’s liability
The installer is responsible for the installation and
commissioning of the appliance. The installer must
respect the following instructions:
4Read and follow the instructions given in the manuals
provided with the appliance.
4Carry out installation in compliance with the prevailing
legislation and standards.
4Perform the initial start up and carry out any checks
necessary.
4Explain the installation to the user.
4If a maintenance is necessary, warn the user of the
obligation to check the appliance and maintain it in
good working order.
4Give all the instruction manuals to the user.
1. Safety instructions and recommendations 100 HL
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1.3.3. User’s liability
To guarantee optimum operation of the appliance, the
user must respect the following instructions:
4Read and follow the instructions given in the manuals
provided with the appliance.
4Call on qualified professionals to carry out installation
and initial start up.
4Get your installer to explain your installation to you.
4Ensure the Appliance is serviced in accordance with
the manufacturer’s instructions by a suitable qualified
person.
4Keep the instruction manuals in good condition close
to the appliance.
This appliance is not intended to be used by persons
(including children) whose physcial, sensory or mental
capacity is impaired or persons with no experience or
knowledge, unless they have the benefit, through the
intermediary of a person responsible for their safety, of
supervision or prior instructions regarding use of the
appliance. Care should be taken to ensure that children
do not play with the appliance.
If the mains power lead is damaged it must be replaced
by the original manufacturer, the manufacturer’s dealer or
another competent person to prevent hazardous
situations.
100 HL 1. Safety instructions and recommendations
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2 About this manual
2.1 Symbols used
2.1.1. Symbols used in the manual
In these instructions, various danger levels are employed to draw the
user’s attention to particular information. In so doing, we wish to
safeguard the user’s safety, highlight hazards and guarantee correct
operation of the appliance.
DANGER
Risk of a dangerous situation causing serious physical
injury.
WARNING
Risk of a dangerous situation causing slight physical
injury.
CAUTION
Risk of material damage.
Signals important information.
¼Signals a referral to other instructions or other pages in the
instructions.
2.1.2. Symbols used on the equipment
Before installing and commissioning the device, read
carefully the instruction manuals provided.
Dispose of the used products in an appropriate recovery
and recycling structure.
2.2 Abbreviations
4CFC: Chlorofluorocarbon
4DHW: Domestic hot water
4ICA: Impressed current anode
2. About this manual 100 HL
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3 Technical specifications
3.1 Homologations
3.1.1. Certifications
This product complies to the requirements to the european directives
and following standards:
42006/95/EC Low Voltage Directive.
Reference Standard: EN 60.335.1.
42004/108/EC Electromagnetic Compatibility Directive.
Reference Standards: EN 50.081.1, EN 50.082.1, EN 55.014
3.1.2. Directive 97/23/EC
This product conforms to the requirements of european directive 97 /
23 / EC, article 3, paragraph 3, on pressure equipment.
3.1.3. Factory test
Before leaving the factory, each appliance is tested for the following:
4Water tightness
4Air tightness
3.2 Technical specifications
3.2.1. Characteristics of the DHW calorifier
DHW tank 100HL
Primary circuit (Heating water)
Maximum operating temperature °C 95
Maximum operating pressure bar (MPa) 3 (0.3)
Secondary circuit (domestic water)
Maximum operating temperature °C 95
Maximum operating pressure bar (MPa) 10 (1.0)
Water content l 100
Weight
Shipping weight (Foam coated domestic hot water tank) kg 55
100 HL 3. Technical specifications
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Performances related to the boiler type Gas fired floor-standing condensing boiler (1)
10/15 kW 15 kW 25 kW 35 kW
Power exchanged kW 15 15 28 32
Flow per hour (∆T = 35°C)(2) l/h 370 370 690 790
Specific flow (∆T = 30°C)(3) l/min 21 21 25.5 28
Draw-off capacity(3) l/10 mm 210 210 255 280
Qp: Primary flow rate m3/h 0.45 0.45 0.80 1.00
(1) Depending on the country in which the boiler is installed
(2) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary circuit (heating water): 80 °C
(3) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 40 °C - Primary circuit (heating water): 80 °C - Calorifier temperature: 60 °C
Performances related to the boiler type Floor-standing condensing oil boiler (1)
18 kW 24 kW 30 kW
Power exchanged kW 18 24 30
Flow per hour (∆T = 35°C)(2) l/h 440 590 740
Specific flow (∆T = 30°C)(3) l/min 21 24 26
Draw-off capacity(3) l/10 mm 210 240 260
Qp: Primary flow rate to reach the declared output of the primary
heater
m3/h 1.1 1.1 1.3
(1) Depending on the country in which the boiler is installed
(2) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary circuit (heating water): 80 °C
(3) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 40 °C - Primary circuit (heating water): 80 °C - Calorifier temperature: 60 °C
3.2.2. Specifications of the DHW sensor
Temperature in °C 10 20 25 30 40 50 60 70 80
Resistance in ohm 19691 12474 10000 8080 5372 3661 2536 1794 1290
3.2.3. Domestic hot water circulating pump
HManometric height
QWater flow
Q (m3/h)
H (m)
ZRS 15/4-3 KU
L000261-C
0
0,5
1
1,5
2
2,5
3
0 0,5 1 1,5 2 2,5
3. Technical specifications 100 HL
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