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4) Functions
a) ON/OFF
Press
key to switch ON/OFF the system.
b) Date/Time Setting
To set clock, press <SET> key to enter time setting menu, “Time display area” will show “SET CLOCK” to
indicate time setting mode. Press <TIME +/-> key to change the minute value and hold the <SET> key to
change the hour value. Press <SET> key again to enter date setting menu, “Time display area” will show “SET
DAY” to indicate date setting mode, press <DAY> key to set day value.
c) 7 days ON/OFF TIMER
To set 7 days ON timer, press <TIMER> key from main menu to enter timer setting menu, “ON TIMER” and “OFF
TIMER” will blink to indicate timer setting menu. Press <TIMER> key again, “ON TIMER” will blink to indicate ON
timer setting is activated. If there is no pervious setting of ON timer for that particular day, “Time display area”
will show “-:--“, otherwise, the “Timer display area” will show the previously set ON timer. Press <DAY> key to
set day value. Press <TIME +/-> key to change the minute and hour value.
To clear the entire ON timer (OFF timer) setting, activate the ON timer (OFF timer) menu, press and hold
<CANCEL> key for 5 seconds.
Note: If there is unimplemented timer for that particular day, the “Timer display area” will show “ON TIMER” or
“OFF TIMER”.
d) Manual Defrost
To execute manual defrost, press and hold <DEF> key for 5 seconds to enter manual defrost menu, “Error codes
display area” will show “Hd” with a long beep sound to indicate manual defrost menu. “Address display area”
will show the particular circuit, e.g. circuit #6 means 2nd refrigerant circuit for module #3. “Time display area”
will show the defrost interval time. Press <MENU +/-> key to select the circuit number. Press
+
-
key to
change the defrost interval time (30 ~ 240 sec). Press <ENTER> key to accept the selection or press <CANCEL>
key to reject selection and exit.
e) Key Lock
To prevent unauthorized and accidental setting of control, the system comes with Key Lock function. To
activate Key Lock, press and hold
+
-
key simultaneously for 5 seconds to toggle it ON or OFF. “Error codes
display area” will show to indicate key lock is activated. When the key lock is activated, only the
key is
functioning as normal.
f) Water Temperature Display - Chiller
To monitor the entering or leaving water temperature, press <DISPLAY> key to select entering water or
leaving water temperature. “Temperature display area” will show “INLET TEMP” to indicate entering water
temperature display, otherwise, “INLET TEMP” indicator is OFF to indicate leaving water temperature. Press and
hold <DISPLAY> for 1 sec to enter ambient temperature menu, the “Temperature display area” will blink to
indicate ambient temperature. Press <DISPLAY> key again to exit the ambient temperature menu.
g) Water Temperature Display - Module
To monitor the leaving water temperature for each circuit of the module, press <MENU +> key then press
<DISPLAY> key simultaneously for 5 seconds. “Error codes display area” will show “L1” with a long beep
sound to indicate water temperature display. “Address display area” will show module address. Indicator
means circuit #1 and
means circuit #2. For example, L1 02
means leaving water temperature for
circuit #1 of module #2 will be shown on the “Temperature display area”. Press the following key to change the
display parameters:
a. Press <MENU +/-> key to select particular module.
b. Press <DISPLAY> key to select circuit #1 or circuit #2.
c. Press <CANCEL> to exit.
h) Condenser Temperature Display - module
To monitor the condenser temperature for each module, press <MENU -> key then press <DISPLAY> key
simultaneously for 5 seconds. “Error code display area” will show “L2” with a long beep sound to indicate
condenser temperature display. “Address Display Area” will show the module address. Indicator
means
circuit #1 and
means circuit #2 of each module. For example, L2 02
means condenser temperature for
circuit #1 of module #2 will be shown on the “Temperature display area”. Press the following key to change the
display parameters:
a.
Press <MENU +/-> key to select particular module.
b. Press <DISPLAY> key to select circuit #1 or circuit #2.
c.
Press <CANCEL> to exit.
