CD 30 ÷ 520
61
2) Host Computer mode setting (preserved) Epigyny
If the mode information sent by host computer is appropriate to the current mode, then the
mode setting information will be sent to main unit and computer will get the response. On
the contrary, if it is conflict with current mode or mode setting fails; wire controller will send
corresponding failure code to (host) computer.
A) If setting the unit which has certain address to start for the first time, it will start the
selected unit while stop the others. After that, you can start or stop the selected unit
without influencing the others.
B) If stopping certain unit that has address, it will stop the selected one without influencing
the others.
C) If setting the address as broadcast mode, the starting and stopping operation will be
available for all units.
D) Once turning off the selected unit, the working mode of the unit will turn to manual
mode, meanwhile, a failed unit can not be replaced by others while working.
E) If setting the number of units by AUTO mode or MANUAL mode, the operation is the
same as local wire controller operation.
3) Mode setting operation
A) Running mode set by wire controller
Three modes can be selected when starting at the first time: cooling, heating and
pumping.
All kinds of setting modes can be selected when the unit is off.
If unit is running on cooling, heating, or pumping mode, only the corresponding start
mode is valid. The others modes are invalid.
B) Mode setting by computer and wire controller simultaneously. (preserved)
If it is necessary to set mode by computer and wire controller at the same time,
computer order is in priority.
3——Data display
Display area is divided into two areas, upper and lower. Each area consists of 2 group of 2.5-bit
7-segment LED.
1) Temperature display:
Total outlet water temperature of unit
Outlet water temperature of Plate heat exchanger
condenser tube temperature T
3A
(of system A)
condenser tube temperature T
3B
(of system B)
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