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SELF-INSPECTION FUNCTIONS
9.2.
NORMAL INDICATION
If the unit is operated under a normal operation condition,
the operation code (refer to the table below) is indicated on
7-Segment LED's of the control panel.
Code
No.1
cycle
No.2
cycle
No.3
cycle
No.4
cycle
No.5
cycle
No.6
cycle
Content
C1-88
C2-88
C3-88
C4-88
C5-88
C6-88
Power Supply, After Stoppage
C1-Co
C2-Co
C3-Co
C4-Co
C5-Co
C6-Co
Cooling Operation
C1-oF
C2-oF
C3-oF
C4-oF
C5-oF
C6-oF
Stoppage by Thermo-Off
C1-Pu
C2-Pu
C3-Pu
C4-Pu
C5-Pu
C6-Pu
Pump Operation Only, Warning of Pump Feedback
9.3.
FUNCTION FOR INDICATION OF OPERATION CONDITION
"
Function for Indication of Operation Condition
The setting temperature, chilled water temperature sensed
at the thermistor, the setting differential temperature and
the last alarm code are digitally indicated on the control
panel.
NOTE:
Each indication mode shall be changed from the normal mode.
+
Press the check "
∆
" and "
∇
" switches
simultaneously for more than 3 sec.
It is changed to the normal mode by
pressing the "
∆
" and "
∇
" switches
simultaneously for more than 3 sec.
again.
,
Press the check "
∆
" switch for more
than 3 sec.
It is changed to the normal mode by
pressing the "
∆
" switch for more than
3 sec. again.
-
Press the check "
∇
" switch for more
than 3 seconds.
It is available only while the "
∇
"
switch is pressed. It changes to
normal mode after 3 seconds
automatically.
"
Indication Mode of Alarm Occurrence Data
+
+
+
+
The content of abnormal stoppage including activation of
safety devices is memorised and indicated on the con
panel
Alarm Occurrence Data (Max.10 data)
@ A B C
D B E B
∇↑
↓∆
@ A
F
D G E G
∇
↑
↓
∆
NOTE:
If an abnormal operation is occurred under this
indication mode, this indication mode is changed to the
alarm indication mode.
"
Capacity Control Indication
-
-
-
-
Example
D B H I
D G @ H
D J K C
D B L L
The Alarm Code
Occurrence Data
Normal Operation
Condition
"88" "Co" "oF"
Capacity Control
Indication
Checking
Indication
,
+
-
In case of No. 1 cycle high
pressure alarm occurrence
In case of No. 2 cycle high
pressure alarm occurrence
No.1 Comp Load Up
No.2 Comp Hold
No.3 Comp Load Down
No.1 Comp Thermo-off
Starting Control
