Functions) - J&E Hall V3 FUSION Technical Manual

Figure 10: Display/ keypad unit (LEDs and button

functions)

• In the case of economizer control. The discharge
temperature is shown on the display.
• To display other MEASURED DATA on EXD-HP1, press
"SEL" button for 1 second until index number according to
below table appears. Release "SEL" button and the next
variable data will be displayed. Repeating the
procedure to view all variable data in sequence:
Table 10: Display parameters
Display Index Variable Data
10 Default Superheat, K
11 Suction pressure, bar
12 Valve position, %
Suction gas temperature, °C
13
Saturation temperature, °C
14
Discharge temperature, °C
15
Note: After 30minutes, the display reverts to index 10.
Table 12: EXD-HP1 error/ alarm handling
Note: When multiple alarms occur, the highest priority alarm is displayed until being cleared. Then the next highest alarm is displayed
until all alarms are cleared. Then, the parameters will be shown again.
Issue: 01.06.2023
Manual mode operation
•
Manual mode is intended for temporary operation of
the valve at specific condition. Warning: All alarms are
disabled during manual operation. We do not
recommend unattended operation of the system during
manual control.
•
Press and together for 5seconds to access to
manual mode operation.
•
After achieving the required operation, set the
parameter 1Ho and 1HP at 0, so the controller
automatically operates the valve at its setpoints.
•
List of parameters in scrolling sequence by pressing
button
Table 11: Parameter list for manual mode operation
Parameter description
Code and choices
Manual mode
operation; circuit 1
1Ho 0 = off 1 = on
1HP Valve Opening (%)
Manual alarm reset clearing functional alarms (except
hardware error)
•
Press and together for 5seconds. When the
clearing is done, "CL" message appears for 2 seconds.
Factory
Min Max setting
0 1 0
0 100 0
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