Samsung AM072/096/120/144FXVAFH, Service Manual

Page: 281 / 295

Test Operation
9-2 Samsung Electronics
ఐ
If out of warranty coverage and bounds, installation, operation according to the conditions the some of items displayed as
"Undetermined" and judgment is not.
Ex) system that module installed : If the outdoor unit is not operation by the load on the indoor and outdoor, corresponding Sub
Outdoor Unit does not judge the inspection entries. (However, Indoor / Outdoor Temperature sensor and Pressure sensor judgment
is available.)
ఐ
Operation must close the upper and lower cabinets on the front of the Outdoor Unit.
If the cabinet opened while operation : Can cause damage to the product and can not get the exact S-NET data.
4) Inspection item of the Auto Trial Operation
During the Auto Trial Operation of the DVM S, defect check items are as follows.
- Indoor Unit Temperature sensor (Indoor temperature of each Indoor Unit, EVA In/Out Temperature sensor)
- Outdoor Unit Temperature sensor
(Outdoor temperature of each Outdoor Unit, Cond_Out, EVI In/Out, Suction, Liquid Pipe Temperature sensor)
- Outdoor Unit High Pressure sensor & Low Pressure sensor
- Outdoor Unit Service Valve : judgment of the Open/Closed
- Outdoor Unit Compressor : Judgment of the operation current
- Cycle state judgment of the Outdoor Unit
- Outdoor Unit 4Way Valve : Judgment of the operation
- Outdoor Unit EVI EEV : Judgment of the operation
(
ఐ
The operation mode of the Auto Trial Operation : "Heating" only if the detection.)
5) Warranty Coverage of the Auto Trial Operation
As follows, in order to accurately measure Indoor / Outdoor temperature conditions in the Auto Trial Operation is carried out.
- Heating / Cooling mode is automatically selected of Auto Trial Operation .
- Oblique line marked area in the during operation of the system can be protection control.
(Auto Trial Operation of normal judgment can be difficult by the protection control operation.)
- If out of warranty coverage and the boundary area : Auto Trial Operation judgment accuracy may be reduced.
Cooling
Heating
Outdoor Temperature (°C)
Indoor Temperature (°C)
4 0
45
3 0
2 0
1 0
35
25
15
5
0
0 5 1 0 15 2 0 25 3 0 35 4 0 45
Indoor temperature (°C)
Cooling
Heating
In
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