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Hitachi CSC-5S Installation And Operation Manual page 25

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Alarm History Indication
Previous alarm occurrence data is indicated. The data is indicated up to 10 data by pressing the
"UNIT SELECTION" switch.
Capacity Control State Indication
Capacity control state is indicated.
Individual Control: Capacity of each unit is indicted by each pressing the "UNIT SELECTION"
switch.
Multiple-unit Control: Total Capacity of group is indicated.
NOTE:
If "RESET" switch is pressed, or any switch is not pressed for more than 30 seconds, Indication is
changed to the normal mode.
10.
CONTROLLER RESET PROCEDURE
Reset Procedure
In the case that group registration or option setting data is required to clear or checking of
connection between the controller and the chiller units is required again, the setting of controller
can be cleared by the following procedure. (It is impossible to clear some part of setting in this
case.)
1. Changing to Self-Checking Mode
By pressing the "UNIT SELECTION "
simultaneously when all the groups of units are stopped, the mode is changed to self-checking
mode. If one unit is operated, "NO FUNC." is indicated and mode is not changed to self-checking
mode.
After changing to the self-checking mode, self-checking is started. By pressing the "UNIT
SELECTION
" "UNIT SELECTION
until 02 test start (Checking for Switch and DSW), the mode is changed to EEPROM checking
mode.
H.STRG
LOCAL
OUTLET
1
2
3
4
5
6
7
8
A/C
ABNML
UNIT No.
TIMER
MULTI
INLET
INDVDL
TEMP.
EMG.STOP
NO FUNC.
DEMAND
H.RCV.
CONTROLLER RESET PROCEDURE
" UNIT SELECTION
" and "MODE CHANGE" switches simultaneously again
COOL
PR.
HEAT
UNIT No.
MULTI
COOL
TIMER
INDVDL
OUTLET
EMG.STOP
HEAT
NO FUNC.
DEMAND
H.RCV.
1
2
3
4
5
6
7
8
A/C
H.STRG
LOCAL
CHECK
" and "MODE CHANGE" switches
SET TEMP.
MPa
Press the "UNIT
SELECTION
" UNIT SELECTION
INLET
SET TEMP.
"MODE CHANGE"
TEMP. PR.
MPa
switches simultaneously
until "02" test start
(Checking for Switch and
ABNML
CHECK
   
DSW), the mode is
changed to "06" (EEPROM
Check) mode.
EEPROM Check
21
",
" and

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