14 | P a g e
Unit shut down
To shutdown circuit 1# or circuit 2#, turn the switch of the corresponding circuit to “OFF”.
After these operations, the circuit will shut down automatically.
Turn Q1(1#SYS SW.) and Q2(2#SYS SW.) to OFF
Turn Q0 (UNIT SWITCH) to OFF. After these operations, the unit will shut down
automatically.
5.2 Parameter Viewing and setting
After entering the user password, you can view and modify parameters at the user level. The
default user password is 1990. Parameter setting must be in accord with this operation manual.
Improper setting can cause erratic chiller operation and damage to the chiller.
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