Daikin altherma 3 M Service Manual page 300

4 | Third party components
To check the water flow
To check if the water circuit stop valves are open
Service manual
300
Is the water pressure correct?
No
Prerequisite: Turn ON the power of the unit.
1 Activate Cooling or Heating operation via the user interface.
INFORMATION
Make sure that the water flow sensor is functioning correctly.
2 Navigate to the information menu on the user interface, see installer
reference guide for correct procedure.
3 Read the water flow in the information menu on the user interface.
Result: The water flow MUST be as shown in the table below:
If operation is...
Cooling
Heating/defrost when outdoor
temperature is above –5°C
Heating/defrost when outdoor
temperature is below –5°C
Domestic hot water production
Is the water flow correct?
Yes
No
4 Check the water pressure, see
Is the water pressure correct?
Yes
No
1 The stop valves are located outside the unit. Check that all valves are in open
position (in line with the piping).
All valves are open?
Yes
Action
Add or remove water from the water
circuit until the pressure is correct, see
"4.3.2 Repair procedures" [
Then the minimum required flow rate
20 l/min
22 l/min
28 l/min
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Continue with the next step.
"4.3.1 Checking procedures" [
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Add or remove water from the water
circuit until the pressure is correct, see
"4.3.2 Repair procedures" [
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4
302].
is...
4
299].
4
302].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03