Sub-Zero MICRO CHILL, User Manual

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11
DLY
LP SENSING
Use UP/DOWN keys to set desired value. To change LP Sensing Dly
parameter, press the set key.
18
Function: To set LP fault sensing delay
on compressor on.
Sr.No.
Parameter
(LCD Message)
Description of parameters and functions.
Parameter setting
method.
Manual Auto Auto
HP / AFT RESET
Use UP/DOWN keys to set desired value.
Auto = It sets the HP- AFT faults for
Manual = It sets the HP- AFT faults for
manual reset.
auto reset.
To change HP / AFT reset
Parameter, press the set key.
19
Function: This parameter will set HP and
AFT fault to Auto or Manual reset.
Range
Min Max Fact. Set
Manual Auto
Auto
Range
Min Max Fact. Set
LP FAULT RESET
20
Function: This parameter will set LP fault
to Auto or Manual reset.
To change LP Fault Reset
Parameter, press the set key.
Manual = It sets the LP fault for manual
reset.
Use UP/DOWN keys to set desired value.
Auto = It sets the LP fault for auto reset.
1 SEC 90 SEC 30 SEC
Range
Min Max Fact. Set
EXAMPLE: If this parameter is set at 30
seconds, the system will ignore low
pressure alarm for 30 sec from
compressor on. In this manner, a false
alarm can be avoided due to low pressure
at compressor start up.
12
Sr.No.
Parameter
(LCD Message)
Description of parameters and functions.
Parameter setting
method.
Always On With Comp With Comp
PUMP RUN LOGIC
Use UP/DOWN keys to set desired value.
With Pump =In this case pump will switch
Always On = It sets the pump to always on
mode.
On and off with compressor.
Parameter, press the set key.
To change Pump Run Logic
24
Function : This parameter configures
pump to keep always ON or OFF with
compressor.
Range
Min Max Fact. Set
Disable = This parameter disables Liquid
level sensing in the controller.
level sensing in the controller.
Enable = This parameter enables Liquid
Range
Min Max Fact. Set
Disable Enable Disable
Parameter, press the set key.
To change Liq Level Sensor
LIQ LEVEL SENSOR
21
Function: This parameter enable/
disables liquid level sensing.
Use UP/DOWN keys to set desired value.
If set to
Use UP/DOWN keys to set desired value.
Disable = Controller will start in stand by
mode at power ON press start
power ON.
Enable = Will start the system when
Parameter, press the set key.
To change System Autostart
Range
Min Max Fact. Set
Disable Enable
Enable
SYSTEM AUTOSTART
23
Function: This parameter configures
system to auto start or manual start on
power on.
If set to
ON HI LVL : This sets level fault on High
level.
level.
ON LO LVL : This sets level fault on low
Range
Min
Max
Fact. Set
ON LO
LVL LVL
ON HI ON LO
LVL
To change Liq Level Fault
Parameter, press the set key.
LIQ LEVEL FAULT
22
Function: This parameter is used to set
Liquid level fault on high level or low level.
Use UP/DOWN keys to set desired value.