Control system
Thermo off selection
function
Standard setting
Setting to continue
Thermo OFF
temperature
pag. 75
4.17. Thermo off selection function
It is a function to prevent the Chiller unit from going Thermo OFF due to a sudden
change of temperature or fl ow volume (inverter water pumps). It is possible to select it
by DSW7-pin 3 on operation PCB. Standard is set at delivery.
1. Standard setting
Immediate stop when reaching to Themo OFF temp
2. Setting to continue Thermo OFF temperature for a certain period
Not immediate stop although reaching to
Thermo OFF temperature
NOTE:
However, it becomes Thermo OFF immediately once outlet water temperature is decreased
until protection values
SMGB0003 rev.0-01/2007
PCB
C
Stop if the status under Thermo OFF
temperature continues for 3 min.
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