CONTROLLER RESET PROCEDURE
21
ENG
L
IS
H
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 ”
∧
” UNIT SELECTION
∨
” and “MODE CHANGE” switches
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
∨
” and “MODE CHANGE” switches simultaneously again
until 02 test start (Checking for Switch and DSW), the mode is changed to EEPROM checking
mode.
℃
H.STRG
PR.
LOCAL
HEAT
SET TEMP.
COOL
MPa
6
5
1
4
3
2
8
7
ABNML
OUTLET
A/C
ABNML
MULTI
HEAT
SET TEMP.
COOL
UNIT No.
℃
6
5
1
4
3
2
8
7
NO FUNC.
EMG.STOP
INDVDL
TIMER
CHECK
OUTLET
INLET
A/C
H.STRG
MPa
TEMP. PR.
H.RCV.
DEMAND
LOCAL
MULTI
UNIT No.
NO FUNC.
EMG.STOP
INDVDL
TIMER
CHECK
INLET
TEMP.
H.RCV.
DEMAND
EEPROM Check
Press the “UNIT
SELECTION
∧
”,
” UNIT SELECTION
∨
” and
“MODE CHANGE”
switches simultaneously
until “02” test start
(Checking for Switch and
DSW), the mode is
changed to “06” (EEPROM
Check) mode.
