Sub-Zero MICRO CHILL, User Manual

Page: 2 / 11

Index Index
DESCRIPTION PARAMETER
Pg.
No.
To set LP fault sensing delay on
compressor on.
LP SENSING DLY
11
This parameter will set HP and AFT fault
to Auto or Manual reset.
HP / AFT RESET
11
This parameter will set LP fault to Auto
or Manual reset.
LP FAULT RESET
11
PUMP POWERON DLY
This parameter is used to set delay for
pump to start at power on. This is
applicable if the pump is running with
compressor.
13
This parameter enable/ disables liquid
level sensing.
LIQ LEVEL SENSOR
12
This parameter configures system to auto
start or manual start on power on.
SYSTEM AUTOSTART
12
This parameter configures pump to keep
always ON or OFF with compressor.
PUMP RUN LOGIC
12
This parameter configures Relay3.
RELAY3 LOGIC
13
CLEAR FAULT LOG
This parameter is used to clear all fault
history. 13
KEYPAD LOCK
To lock keypad.
14
FACTORY SET
Revert to factory set parameter. 14
COMP RUN HRS
This parameter is used to display
compressor working hours. 14
PUMP RUN HRS
This parameter is used to display pump
working Hours.
14
UP/DOWN SCROLL
SET-EXIT
To end programming. 14
Technical Data
15
Suggested Wiring Diagram
16
Panel Cutout & Dimensions 17
2
LIQ LEVEL FAULT
To set liquid level fault on high level or low
level.
12
1
Index Index
Introduction
Get to Know Your Controller
Parameter List
4
6
To set the cutout point of the Controller.
To set other parameters
6
Key Introduction
5
3
DESCRIPTION PARAMETER
Pg.
No.
To set Chiller Set point.
CHILLER SET TEMP.
6
6
Items Included
4
To set compressor restart delay.
COMP. TIME DELAY
7
To set temperature differential for
compressor restart.
To set maximum allowable high
temperature limit and alarm.
To set Power on delay for Ht alarm.
DIFFERENTIAL
HIGH TEMP. ALARM
HT PWR ON DLY
7
7
8
To set minimum allowable low
temperature limit and alarm.
To enable or disable Antifreeze
function.
LOW TEMP ALARM
AFT PROBE STATUS
8
8
To set fault resetting differential for AFT
set point.
AFT DIFFERENTIAL
9
To set Main(Liquid) probe calibration.
To set Antifreeze probe calibration.
To set tripping voltage digital inputs.
To set WFS trip sensing delay on power
up.
MAIN PROBE CAL
AFT PROBE CAL
FAULT SENS LOGIC
WFS PWR ON DLY
9
10
10
10
To set Antifreeze tripping set temp.
AFT SET TEMP
9
WORKING MODE
To set Heating or Cooling function.
To set WFS trip sensing delay.
WFS NORMAL DLY
10
SET MODE
CHILLER SET TEMP.