8 Adapting the unit to the heating installation
24
Installation
and
maintenance
instructions
ecoTEC
pro
0020244995_02
8.4
Setting the pump output
1.
Navigate to diagnostics code
D.014
in the installer level
and confirm by pressing
.
2.
Set the required pump output.
Conditions
: Low loss header installed
▶
Switch off the speed regulation and set the pump output
to a fixed value.
8.4.1
Remaining feed head of the pump
8.4.1.1 Pump characteristic line for VUW 246, VUW
286
0
400
300
200
100
0
50
150
250
350
200 400 600 800 1000 1200 1400
Remaining feed head
[hPa]
Flow rate [l/hr]
100% PWM
80%
70%
60%
53%
8.4.1.2 Pump characteristic line for VUW 306
400
300
200
100
0
0
200 400 600 800 1000 1200
1600 1800
1400
Remaining feed head
[hPa]
Flow rate [l/hr]
100% PWM
85%
70%
60%
53%
8.5
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 code D.014.
▶
Remove the front casing. (
→
Page 11)
1
▶
Regulate the pressure using the adjusting screw
(1)
.
Position of the
adjusting screw
Pres-
sure
in MPa
(mbar)
Notes/application
Right-hand stop
(turned all the
way down)
0.035
(350)
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
(5 turns to the
left)
0.025
(250)
Default setting
5 further turns to
the left from the
mid-position
0.017
(170)
If noises are produced in
the radiators or radiator
valves
▶
Install the front casing.
8.6
Handing the product over to the operator
▶
When you have finished the installation, affix the en-
closed sticker (which requests that the user reads the
instructions) to the front of the product in the operator's
language.
▶
Explain to the operator how the safety devices work and
where they are located.
▶
Inform the operator how to handle the product.
▶
In particular, draw attention to the safety information
which the operator must follow.
▶
Inform the operator that they must have the product
maintained in accordance with the specified intervals.
▶
Pass all of the instructions and documentation for the
product to the operator for safe-keeping.
▶
Inform the operator about measures taken to ensure the
supply of combustion air and flue gas guiding, and in-
struct the operator that he must not make any changes.
▶
Inform the operator that they must not store or use ex-
plosive or highly flammable substances (such as petrol,
paper or paint) in the installation room of the product.
▶
Complete and sign off the Benchmark commissioning
check list.
▶
Complete and sign off the guarantee documentation.
