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54
P5: Temperature balancing
NOTICE
Incorrectly controller opera-
tion in the case of temperature
balancing during operation.
Proceeds as follows before carrying out
the temperature balancing of the PT 1000
temperature sensors (T1 and T2):
Switch the EW-S controller off.
Disassemble both temperature sensors
(T1 and T2) from the ventilation channel.
Submerge both temperature sensors in a
container of water for approx. 10 minutes.
This will bring both sensors to the same
temperature.
Switch the EW-S controller on start Service
menu program P5. Both sensors are
balanced with each other.
P5 Carry out
temp. balancing?
Press
, to start the temperature
balancing or
for P6.
P5 Temperature
balancing completed
Press
.
Press
for P6 or
balancing again.
Reinstall both temperature sensors
(
→
Chapter 10.6).
Don't transpose T1 and T2 during
installation. Install T1 ahead of the
EW-K 225 and T2 after the EW-K
225, in the direction of air flow
P6: Volumetric flow
P6 Volumetric flow
220 m³/h
Press
, to change the volumetric flow
specification or
for P7. This value is
only used for calculating the total yield
(
→
previous important note).
The volumetric flow (air quantity) set
here should correspond to the
nominal rating value set at the room
air system.
Press
or
, then
.
P7: Switch heating element on/off
P7 Heating element
switched off
Press
to switch the heating element in
a downstream EHZ electrical heating
register on or off or press
for P8.
Press
then
.
P7 Heating element
switched on
Press
.
P8: Pump test
P8 Carry out
pump test?
Press
, to start the pump test or
to
display the operating hours summer/winter.
P8 Pump test
is active
The pump runs for about 30 seconds.
P8 Pump test
completed
Press
to test again or
to display the
operating hours summer/winter.
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