Bosch CONDENS 5000W Manuel utilisateur
USER MANUAL
HYDRONIC GAS SYSTEM BOILER 18kW
CONDENS 5000 W
6720643356-00.1Wo
ZSB18 - 2A.
6 720 646 196 (2013/08)
6 720 646 196 (2013/08)Condens 5000 W
Contents | 2
Contents
1 Symbols and safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Operating the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1.1 Switching off the central heating . . . . . . . . . . . . . . . . . . . 6
3.1.2 Boiler frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.3 Setting the hot water temperature . . . . . . . . . . . . . . . . . 7
3.1.4 Boiler reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 System pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Sealed heating systems . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 External filling loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Service clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Maintaining the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8 Fault or breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
9 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
10 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
11 Your guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
12 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6 720 646 196 (2013/08)Condens 5000 W
Preface | 3
Preface
Please read these instructions carefully
These instructions are applicable to the Bosch boiler model
stated on the front cover only.
These instructions apply in AU/NZ only and must be followed
except for any statutory obligation.
After installation please leave this user manual, the installation
instructions and completed installation checklist with the
customer.
Dedicated to heating comfort
Thank you for purchasing a Condens 5000 hydronic system
boiler manufactured by Bosch. The company prides itself on
manufacturing boilers to the strictest quality control standards
throughout every stage of production.
Bosch has led the field in innovative boiler design and
performance for almost 50 years. This heritage means all our
products are of exceptional quality and proven reliability.
The Condens 5000 in particular is extremely energy efficient,
offering you economical running costs and value for money.
Register the warranty within 30 days of installation for the
reassurance of a two years parts and labour guarantee.
6 720 646 196 (2013/08) Condens 5000 W
4 | Symbols and safety precautions
1 Symbols and safety precautions
1.1 Explanation of symbols
Warning symbols
Signal words indicate the seriousness of the hazard in terms of
the consequences of not following the safety instructions.
•NOTICE indicates possible damage to property or
equipment, but where there is no risk of personal injury.
•CAUTION indicates possible personal injury.
•WARNING indicates possible severe personal injury.
•DANGER indicates possible risk to life.
Important information
Additional symbols
1.2 Safety precautions
If you smell gas:
▶LPG boilers call the suppliers number on the side of the
LPG tank/cylinder
▶Turn off the ECV (emergency control valve) at the meter
▶Do not turn any electrical switches on or off
▶Do not strike matches or smoke
▶Putoutnakedflames
▶ Open doors and windows
▶ Keep people away from the affected area
Boiler operation:
This boiler must only be operated by a responsible adult who
has been instructed in, understands and is aware of the boiler's
operating conditions and effects.
Combustible and corrosive materials:
Chemically aggressive substances can corrode the boiler and
invalidate any warranty.
▶ Do not store or use any combustible materials (paper,
thinners, paints etc.) inside or within the vicinity of the
boiler.
Fittings and modifications:
Only an authorised person can remove the outer case and carry
out any work.
▶ Do not remove the outer casing.
Any misuse or unauthorised modifications to the boiler, flue or
associated components and system will invalidate the
warranty.
▶ Do not modify the boiler or flue system in any way.
Bosch accepts no liability arising from any such actions. This
does not affect your statutory rights.
Safety instructions in this document are
framed and identified by a
warning triangle which is printed on a grey
background.
Electrical hazards are identified by a
lightning symbol surrounded by a warning
triangle.
Notes contain important information in
cases where there is no risk of
personal injury or material losses and are
identified by the symbol shown on the left.
They are 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 Symbols
6 720 646 196 (2013/08)Condens 5000 W
General information | 5
2 General information
Servicing
▶ The boiler must be serviced annually by an authorised person.
▶ Always use original spares, to help maintain the economy, safety and reliability of the boiler and have the service record
completed in the service checklist.
The completed service checklist will be required in the event of any warranty work.
3Controls
▶ To gain access to the boiler controls open the flap and release.
Fig. 1 Control panel fascia
Ensure that the service engineer completes the service checklist after each service. The service checklist and
service interval record can be found at the rear of the installation instructions.
12345678
6720643356-13.1Wo
9
Boiler
Controls
1Central heating temperature control 6 ECO button (non functional)
2Burner indicator (green) 7 Reset button
3Service button 8 Hot water temperature control*
4Cover or optional programmer 9 System pressure gauge
5Power ON and fault indicator (blue) * Requires optional integral diverter kit to be
functional
Table 2
6 720 646 196 (2013/08) Condens 5000 W
6 | Controls
3.1 Operating the boiler
Setting the central heating temperature
1. Turn the central heating temperature control knob to the desired level.
1. The Burner indicator (green) will illuminate to show that the boiler is running.
Fig. 2 Central heating temperature control
3.1.1 Switching off the central heating
1. Turn the temperature control knob to the snowflake symbol to switch off the central heating.
Fig. 3 Switch off central heating
The temperatures quoted in the figure below are only approximate.
Min
1
2
3
4
5
6
Max
---
---
---
---
---
---
---
---
40 °C
47 °C
53 °C
61 °C
68 °C
74 °C
80 °C
82 °C
1
2
34
5
6
max
6720643356-05.1Wo
1.
2.
1
2
34
5
6
max
reset
eco
1
2
34
e
6
maxmin
6720643356-06.1Wo
1.
6 720 646 196 (2013/08)Condens 5000 W
Controls | 7
3.1.2 Boiler frost protection
If the temperature within the boiler falls below 8°C the pump will run to circulate water and prevent the system freezing.If the
temperature within the boiler falls below 5°C the boiler will fire periodically, bringing the boiler temperature up to 12°C to avoid the
possibility of the system freezing.This process will be repeated until such time that the boiler temperature does not drop below 5°C.
3.1.3 Setting the hot water temperature
1. Turn the hot water temperature control knob to the desired level.
2. The ECO button is non operational with this type of boiler.
Fig. 4 Hot water temperature
Optional integral diverter valve kit with cylinder temperature sensor is required to be able to set the hot water
temperature.
Otherwise the temperature is factory set to approximately 55°C.
1
2
34
5
6
max
reset
eco
1
2
34
e
6
maxmin
6720644864-01.1Wo
1.
2.
6 720 646 196 (2013/08) Condens 5000 W
8 | Controls
3.1.4 Boiler reset
In the event of a fault, the reset button will flash once per second and the blue mains indicator light will flash.
1. To reset the boiler press the reset button for approximately five seconds.
When the boiler resets the reset button will no longer be illuminated.
2. The mains indicator will no longer be flashing.
Fig. 5 Reset button and mains light
If the fault remains and cannot be cleared by pressing the reset button, contact Robert Bosch for assistance on:
1300 30 70 37
1
2
34
5
6
max
reset
eco
1
2
34
e
6
maxmin
6720643356-09.1Wo
1.
2.
6 720 646 196 (2013/08)Condens 5000 W
System pressure | 9
4 System pressure
4.1 Sealed heating systems
This boiler is fitted to a sealed heating system which is pre-pressurised. The optimum pressure is indicated on the pressure gauge
shown in figure 6.
▶ Check regularly that the pressure is maintained.
Fig. 6 Optimum pressure when cold (area A)
▶ Contact your installer or authorised person if a permanent significant decrease in pressure is indicated on the pressure gauge.
The filling method on this boiler will be an external filling loop, with fitted valves and a flexible hose. The filling loop should ideally be
located close enough to the boiler so that the pressure gauge can be monitored during filling.
6720643356-11.1Wo
2
3
1
04
bar
1
A
Min
1 bar
1.5 bar
Max
6 720 646 196 (2013/08) Condens 5000 W
10 | System pressure
4.2 External filling loop
Once the external filling loop has been located, follow the instructions for re-pressurising the system.
1. Unscrew blanking cap.
2. Attach the hose to the valves, screw on hand-tight.
3. Turn the handle/screwdriver slot through 90° to open the valves.
4. The handle/screwdriver slot will be in-line with the valves
Fig. 7 External filling loop
5. When the pressure reaches between the 1 and 1.5 bar marks (zone A), turn the handle/screwdriver slot back, through 90°, to
close the valve.
6. The handle/screwdriver slot will be at 90° to the valves
7. Remove the hose and replace the blanking caps.
External filling loop valve must be installed according to local authorities regulations to protect the potable water
supply.
6720643356-12.2Wo
1. 2.
7.
3. 3.
4.4.
5.
5.
6.6.
2
3
1
04
bar
1
A
Min
1 bar
1.5 bar
Max
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6
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