Hitachi NEXT Series - Page 28

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3. OPERATION PROCEDURE [How to Use the Digital Monitor]
SELECT/WIDE
Press 8 times.
[Previous shutdown]
[Latest shutdown]
[Oldest shutdown]
1
Discharge pressure display
History consists of 6 data items.
To display of various settings
XX : Shutdown code
RESET
Return to discharge
pressure display.
SELECT/WIDE
1
2
Press once to go to
the next item.
Press once to go to
the previous item.
Main motor controller
shutdown history
Fan inverter
shutdown history (air-cooled type only)
Water-cooled type - Not used (display only)
(2) How to Display Shutdown History
Use the following procedure to display shutdown history.
① Press the SELECT/WIDE button 8 times. “E0.” is the
displayed with the shutdown code (
4.1) “0” indicates the
most recent shutdown. (The display automatically changes to
“E.0” when a shutdown or alarm occurs.)
② Press the SELECT/WIDE button. “E1.” is displayed along
with a shutdown code. “1” indicates a shutdown that
occurred previously. Six items of data (0 to 5) are recorded.
“E5” indicates the oldest shutdown.
③ Press the SELECT/WIDE button. “E7.” indicates a
shutdown history of the fan inverter.
④ Press the RESET button. The screen is return to the
operation status.
If the shutdown code “XX” is “ ,” it indicates that
there is no shutdown history. Also, when anything other
than shutdown history is displayed without shutdown
resetting, the display is return to the latest shutdown
history in 3 minutes.
SELECT/WIDE
Press 16 times.
Dis. pres. display
RESET
Return to discharge
pressure display.
1
Press once to go to
the next item.
SELECT/WIDE
1
Press once to go to
the previous item.
2
No.4 ： ECOMODE
Cycle time
30 second
No.0 : Control status
A : Capacity Ctrl system
No.1 : Cut-out pressure 1
100 : 100 psi
No.2 : Cut-in pressure 1
085 : 85 psi
No.3 : Pres. diff. 1
007 : 7 psi
No.5 : Cut-out pressure 2
100 : 100 psi
No.6 : Cut-in pressure 2
085 : 85 psi
No.7 : Pres. diff. 2
007 : 7 psi
No.8 : IPI setting
000 : Disabled
No.9 : Compressor No.
001 : No.1
(3) How to Display Various Settings (Perform operation only when confirmation is
necessary.)
Use the following procedure to display capacity control type
and pressure setting values for confirmation.
① Press the SELECT/WIDE button 16 times. “0.A ＊＊” is
displayed on the screen. The content of “＊＊” varies
depending on specifications. “A” may be “L” or “U”
depending on capacity control specifications.
② Consists of items 0 - 9. Pressure setting status and optional
pressure setting 2 can be confirmed each time the
SELECT/WIDE button is pressed.
③ Press the RESET button. The screen is return to the usual
discharge pressure display.
Symbols displayed at No.0 and corresponding capacity
control type
A : AUTO function setting
L : Fixed speed type setting (INTE: load/unload
operation)
U : Vtype setting (AUTO function canceled
( 3.3.5 󱦳 and 8.4 )
IMPORTANT
IMPORTANT
※ No.3 and 7 are not in use for Vtype.
Air-Cooled
For the shutdown history of fan inverter,only the most
recent shutdown will be recorded. Shutdown history is
displayed in shutdown codes.
(
4.1 (a)(b))
Air-Cooled
IMPORTANT
For the shutdown history of controller, only the most
recent shutdown is recorded. Shutdown history is
displayed in shutdown codes.
( 4.1 (a)(b) )
IMPORTANT