Samsung Electronics 9-1
9-1 Auto Trial Operation
9-1-1 Auto Trial Operation Synopsis
1) What is the Auto Trial Operation?
DVM S main components defective check and check the status of the installation, provide guidelines that can promptly and
accurately resolve the problems that may occur in the field.
If does not end the Auto Trial Operation, normal operation is impossible to enter, it should protect the system from the
abnormal state. ("UP")
2) Auto Trial Operation Preliminary checking.
(1) Check the Power cable of Indoor / Outdoor Unit and communication wire.
(2) Turn on the power 6 hours before to start the Auto Trial Operation.
(Crankcase heater to be heated sufficiently.)
(3) Check before applying power voltage and phase using a pha
se tester and voltmeter.
- R, S, T, N Terminal : Check the between the wire, 380V (R-S, S-T, T-R) / phase-to-phase, 220V (R-N, S-N, T-N).
(4) Power on, perform the tracking. (Outdoor Unit inspects Indoor Unit and optional.)
(5) Card to verify the installation of the control box f
ront : must be record the installation details.
ఐ Necessarily turn on the power 6 hours before to start the Auto Trial Operation.
3) How to use the Auto Trial Operation.
(1) If does not complete
the Auto Trial Operation, normal operation is prohibited.
- If does
not complete the Auto Tri
al Operation, Display the "UP"(Unprepared) on the LED after checking communication.
(Compressor to operate normal operation is prohibited.)
ఐ UP Mode will be turned off automatically at finished the Auto Trial Operation.
- Auto Trial Operation is carried out by the operatin
g conditions.
(From 20 minutes to maximum 2 hours)
- During Auto Trial Operation due to the valve check, the noise can be generated.
(Sustained abnormal noise occurs, check it)
(2) When an error occurs during the Auto Trial Operation, check the
error code in the product and
then service it.
(3) Shut down the Auto Trial Operation, resulting report will be issued using the S-NET or
S-CHECKER.
- The resulting report of the "Undetermined"item, troubleshoot the accordance with the service manual.
- Troubleshoot all the items of "Undetermined" and then restart the Auto Trial Operation.
(4) Check the following as Trial Operation. (Heating / Cooling)
- Check the Cooling and Heating operation is progressing well.
- Individual Indoor Unit control : check the wind direction, wind speed.
- Check the Indoor and Outdoor abnormal noise.
- Check the drainage of the Indoor Unit cooling operation.
- More operation : Checking status by using the S-NET.
(5) Refer to manual and explain air conditioner us
age to user.
9. Test Operation
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