To enter the PROGRAM parameter mode, hold the scroll key until the screen
changes to ‘
SPL
’, then release. This will take approximately 15 seconds.
To page through Parameters, Press and Release the scroll key
Please read the superscript instructions (bottom of page) for
each Parameter value.
THE FOLLOWING VALUES WERE SET WHEN THIS UNIT WAS SHIPPED
PARAMETERS
DESCRIPTION
°F
°C
ON
OFF
SPL
3
Lower Setpoint
-148
-100
X
SPH
3
Upper Setpoint
-40
-40
X
Al
2
Alarm
X
INV
1
Temperature Scale
°F
°C
X
SHF
1
Calibration
X
ASP
1
Alarm Differential
22
12
X
AHY
3,1
Alarm Hysteresis
1.8
1.0
X
OHY
3,1
Output Hysteresis
3.6
2.0
X
RB
1
Alarm Delay in Minutes
30
X
DoR
4
Door Alarm
X
SP
2
Setpoint
X
IN2
4
N / A
N / A
TO EXIT TAP SCROLL KEY REPEATEDLY UNTIL TEMPERATURE/SETPOINT SCREEN
APPEARS
1) This parameter has been turned “on” by pressing either arrow key then make your changes in
“user” mode.
THE VALUES TO BE CHANGED ARE DISPLAYED IN USER MODE ONLY, except SPL and SPH.
2) No values to change, either enable or disable by pressing the or arrow buttons.
3) Any changes made here without expressed permission from the manufacturer will VOID the
warranty of the unit.
4) The parameter “DoR” and IN2 cannot be utilized at this time.
11
PROGRAM PARAMETER MODE
CONTROL PROGRAMMING
Summary of Contents for ULF Series
Page 15: ...13 WIRING DIAGRAM ...
Page 16: ...14 ALARM WIRING DIAGRAM ...
Page 17: ...15 REFRIGERATION FLOW CHART ...