LG ACAH020HETB Installation And Owner's Manual page 33

View Chiller Information - Load Water Temperature Screen
Chiller information includes load water temperature, pump / flow amount status, and, system information.
Table 8: Load Water Temperature Screen Table.
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E.W.T Displays the common load entering water temperature value.
L.W.T Displays the common load leaving water temperature value.
View Chiller Information - Pump / Flow Amount Status
Screen
Table 9: Pump / Flow Amount Status Screen Table.
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If it is in operation, it always maintains an ON state.
When the chiller operation stops, the freeze and burst prevention mode is applied, and operates as follows:
According to the outdoor air temperature condition, the load water pump repeats operation ON and OFF.
Pump Output
The freeze and burst prevention mode is possible when the pump is connected.
To interface with the pump, the pump output connect is to be installed. To verify that the pump operates, the pump interlock
connector is to be installed. (For installation,see the connection diagram.)
Pump Interlock
(When the chiller is in operation, the pump output maintains an "ON" state, otherwise, an alarm will occur.)
Flow Switch
(When the chiller is in operation, the pump output maintains an "ON" state, otherwise, an alarm will occur.)
Capacity
Description
Receives the status of the load water pump output through the external signal contact point of the pump.
Displays the current load water's flow amount switch status value.
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 30: Load Water Temperature Screen.
Figure 31: Pump / Flow Amount Status Screen.
Description
Displays the capacity of the device.
HMI SCREENS
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