Daikin VRV EMERION RXYQ-AATJA Service Manual page 382

Check
4. Judgment criteria of superheat operation:
Reference
CHECK 7 Refer to page 379.
Reference
CHECK 8 Refer to page 380.
375
(1) Suction gas superheating degree: 10°C (18°F) and over. (2) Discharge gas superheating
degree: 45°C (81°F) and over, except immediately after compressor starts up or is running
under dropping control.
(Use the above values as a guide. Depending on the other conditions, the unit may be
normal despite the values within the above range.)
SiUS342303E
Part 6 Service Diagnosis