Refrigerant Cycle Pcb; Dsw1 - Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual

6.2.1 Refrigerant cycle PCB
6.2.1.1 DSW1
◆ Cancellation of electric current detection

DSW1

Factory setting
When set pin to ON, the electric current detection is cancelled. Pin should be set back to
OFF after electrical work.
◆ Test run mode
DSW1
Factory setting
Test run for pump down
Not available
Not available
Not available
Forced stoppage of compressor

NOTE
• This operation is reset once the compressor is in Thermo-ON mode.
• During the test run operation the units will operate continuously during 2 hours without
Thermo-OFF and the 3-minute guard for compressor protection will be effective.
• Test run will start within 20 seconds after setting DSW1 pin 1 to ON position.
PMEN0657 rev.0 - 02/2024
RASM-(3/4)WF2E
1 2 3
1 2 3
RASM-(3/4)WF2E
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3
4
1 2 3
4
1 2 3 4
51
6