Jeio tech ISF-7100 Operating Manual page 16

(18) External Refrigeration Port (ISF-7100/ISF7200 only)
Even if the model such as ISF-7100 which has no refrigerator, It can lower the temperature in
the chamber by receiving refrigerant from the external refrigerant device such as chiller. The
In/out ports (refer to the figure) are located on the back and bottom side of the device.
These brass push-to-connect fittings accept Ø 8mm OD hard-wall tubing and provide access
ports for external refrigeration. The barb on the right is to drain out the condensate comes
from evaporator. Therefore, please do not block the barb with other materials. (Refer to '3.5
Connection to Drain' and '3.6 Connection to External Refrigeration System')
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