ULT Energy-saving Series
After-sales Service Manual
19
4.4 System structure
4.4.1 System structure (DW-86W420J)
Power switch
Battery switch
Remote alarm interface
Backup R232/485 interface
Compressor: from the
back, there is high
temperature
stage
system on the left side
and low temperature
stage system on the
right side
High temperature gas-
liquid separator in tube
High temperature filter
Low temperature filter
Anti-dew tube
High
temperature
condenser
Condenser fan
Low temperature
oil separator
Low
temperature
pressure
control
valve
