Control Specification - Sanyo MCO-18AIC Service Manual

Control specification

1. Key and switch
BZ : When an alarm LED is flashing and the buzzer sounds,
Buzzer and remote alarm output
When an alarm lamp flashing and the buzzer does not sound, buzzer remains OFF.
SET : Press once to enter the device into setting mode.
Press twice to enter the device into CO
Press third times to enter the device into over-heat protection temperature check
mode. Press four times to return the device to internal temperature (PV) display.
: In the setting mode, the device can be shifted the 2
st
1 decimal place.
In PV display, keep the key pressing 5 seconds or more to enter the key lock mode.
: In the setting mode, the blinking digit counts up.
CAL : In PV display, keep the key pressing approximately 5 seconds to enter the device
into the calibration mode, press again to enter the device into the CO
mode. When the CO
instead of the CO
In the temperature calibration mode, input FXX with
key to enter the device into the function mode to obtain information of each mode.
Note) During CO
the CO
continuously even if ENT key is pressed.
ENT : During setting mode, CAL mode and Function mode, press the key to store the
value. The function is not valid for the unchangeable values.
A / B : The key is available only in optionally Auto-changer mode in F08.
In Auto-changer mode, press the key to switch the cylinder in use to another one.
Lighting A or B indicates as the cylinder in current use. (If the Auto-changer mode is
not installed, the cylinder switcher lamp does not activate)
When the cylinder in use is emptied, automatically switches to another one. At the
time the lamp of cylinder emptied will blink, and the lamp of another one will
illuminate.
(Ex: When the CO
to blink, and then the lamp cylinder B will illuminate)
2. Temperature control
Setting range
Display range
Setting method
Out of the range:
Control
Alarm
setting value (SV) is 0%, the device goes into PV display
2
calibration mode.
2
Auto Zero adjustment (the decimal point of indicator is flashing),
2
calibration will not be performed with beeping the buzzer for a second
2
cylinder in current used is emptied, the lamp cylinder A switches
2
:
0 C~+50 C
:
0 C~+99.9 C
: Press the SET key. Change to the desired value with
then press the ENT key. The value will be stored and then the device
shifts to CO setting mode.
2
When a value is set out of the range and ENT key is pressed, buzzer
sounds 1 second (continuously) and the previous value is still remained.
: PID control
:
When the PV is SV 1 C or higher, the display digit blinks.
After 15 minutes later, buzzer sounds and remote output turns ON.
Force to turn off
level setting mode.
2
nd
10
st
digit the 1 digit
calibration
2
key and then press ENT
key and
the
key,