Samsung DVM S Series User Manual

106
Inspection and trial operation
Measure to take when E503 error occurs
Perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes.
Perform Auto Trial Operation again
Ye s
Ye s
Ye s
Ye s
Ye s
Take corrective measures.
No.
Is the ball valve on the outdoor unit
opened?
Take corrective measures.
No.
Has the correct amount of additional refrigerant
been injected into the indoor unit and liquid line?
Take corrective measures.
No.
Are the 4-way valve, Main EEV and
pressure sensors operating properly?
Take corrective measures.
No.
Is the operation cycle normal?

Samsung DVM S Series Specifications

General

Refrigerant	R410A
Operating Temperature Range (Cooling)	-5°C to 48°C
Piping Length (Total)	1000m
Inverter Technology	Yes
Type	VRF System
Compressor Type	Inverter Scroll Compressor
Energy Efficiency	High Efficiency
Control	Centralized Control, Individual Control
Indoor Unit Options	Cassette, Duct, Wall Mount, Ceiling