Glow-worm ENERGY 25c, Installation And Maintenance Instructions Manual, Page: 22 / 52

9 Handing the product over to the end user
22
Installation and maintenance instructions ENERGY 0020177746_03
4 Flow rate at maximum
output (
Δ
T = 20K)
A Throughput in circuit
(l/h)
B Available pressure
(kPa)
8.3 Setting the bypass valve
Caution.
Risk of material damage caused by incor-
rect setting of the high-efficiency pump
If the pressure at the bypass valve is in-
creased (by turning it clockwise) and the
pump output is set to less than 100%, the
product may not operate correctly.
▶
In this case, set the pump output to
5 = 100% using diagnostics parameter
d.14 .
Conditions : d.14 is set to 0 = auto
▶
Do not change the factory settings.
Conditions : d.14 is set to 1 - 5
▶
Remove the front casing. (
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Page 10)
1
▶
Regulate the pressure using the adjusting screw (1) .
Position of the adjusting
screw
Notes/application
Right-hand stop (screwed
all the way in)
If the radiators do not heat
up sufficiently at the default
setting. In this case, you must
set the pump to the maximum
speed.
Mid-position (six anti-
clockwise rotations)
Default setting
Five further anti-clockwise
rotations starting from the
mid-position
If noises are produced in the
radiators or radiator valves.
▶
Install the front casing. (
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Page 10)
8.4 Setting the hot water temperature
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
▶
Set the hot water temperature.
Conditions : Water hardness: > 3.57 mol/m
³
–
Hot water temperature:
≤
50
℃
9 Handing the product over to the end
user
▶
When you have finished the installation, attach the sticker
supplied (in the end user's language) to the product
cover.
▶
Explain to the end user how the safety devices work and
where they are located.
▶
Inform the end user how to handle the product.
▶
In particular, draw attention to the safety information
which the end user must follow.
▶
Inform the end user that they must have the product
maintained in accordance with the specified intervals.
▶
Instruct the end user about measures taken for routing
the combustion air supply and flue system.
10 Inspection and maintenance
10.1 Using original seals
If you replace components, use only the enclosed original
seals; additional sealing materials are not required.
10.2 Observing inspection and maintenance
intervals
▶
Adhere to the minimum inspection and maintenance in-
tervals. The inspection may require maintenance to be
carried out earlier, depending on the results.
Inspection and maintenance work
–
Overview
(
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Page 39)