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Information/Alarms
6 720 645 172 (2010/07) en
34
5.6.26 Access. x pump out of order (B)
Function:
The SSM signal from the circulation pump
connected to the stated accessory is broken.
Heat pump:
E21.
B
Check that the pump works.
B
Check the connections to the pump.
5.6.27 Operating error pump G1 (B)
Function:
Activated when the signal from the circulation
pump has stopped. Other G1 pumps work. In the control
unit
Settings
E11.G1
\
Alarm
(Installer level ) must be set
to
Oper. reply
or
SSM
in order for the alarm to occur.
Heat pump:
E21.
B
Check voltage and safety switches.
B
Check the circulation pump's display/alarm indicator
if there is one.
B
Check the control signal to G1 and the SSM signal
from G1.
5.6.28 Compressor alarm
Function:
The compressor is stopped. E21: Additional
heat permitted to start.
Heat pump:
All.
B
Check the compressor's miniature circuit breaker and
motor cut-out.
5.6.29 High temperature T10 (B)
High temperature T11 (B)
Function:
The compressor is stopped. E21: Additional
heat permitted to start. Activated when the sensor
shows more than 30 °C. To restart, the temperature
must fall below 29 °C.
Heat pump:
All.
B
Check if it is possible that the collector circuit fluid
can be more than 30 °C.
B
Check that the sensor shows correct temperature,
compare with resistance table.
B
Chill the collector circuit fluid so that the compressor
is permitted to start.
5.6.30 Output in wrong pos after function test (C)
Function:
After function test not all outputs are in
operating mode
Auto
. Starting the compressor means
that the circulation pumps G2 and G3 start,
temperatures and pressostats are checked on the
condition that no safety functions are active. When a
safety function is activated all outputs are reset to
Auto
.
Heat pump:
All.
5.6.31 Hot water in emerg. oper. (C)
Hot water sensor T3 is not functioning and the heat
pump has switched to producing hot water according to
the emergency operation routine (
Æ
Chapter 4.5.3,
page 20). Emergency operation continues until the
sensor functions again or the function is deactivated
under
Hot water
.
Heat pump:
Heat pump with T3 as local sensor.
5.6.32 High temperature T1 flow (C)
Function:
T1 shows more than 10 K above the set point
value for more than 30 min. The values can be set under
Room temperature
\
Deviation E11.T1
on Installer level.
Heat pump:
E21.
B
Check that the sensor shows the correct temperature
and is correctly installed.
B
Check that the compressor and additional heat are
inactive.
B
Check that no other heat sources are active.
5.6.33 Low temperature T1 flow (C)
Function:
T1 shows more than 10 K below the set point
value for more than 30 min. The values can be set under
Room temperature
\
Deviation E11.T1
on Installer level.
Heat pump:
E21.
B
Check that the sensor shows the correct temperature
and is correctly installed.
B
Check that the heat pump and/or additional heat
produces heat.
B
Check the valves and pipe installation.
B
Check that the installation is correctly dimensioned.
5.6.34 Low temperature T3 hot water (C)
Function:
T3 shows a value lower than 45 °C for more
than 30 minutes. The temperature is set by the installer
under
Hot water
\
Settings
\
Alarm setting
\
Alarm limit
.
Heat pump:
Heat pump with T3 as local sensor.
B
Check that the sensor shows the correct temperature
and is correctly installed.
B
Check that the heat pumps and/or internal electric
additional heat produces heat for the tank.
B
Check the valves and pipe installation.
B
Check that the installation is correctly dimensioned.
Summary of Contents for Rego 5101
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