Functional Diagram; Low.on - Alarm Due To Insufficient Current Draw; Hig.on - Alarm Due To Excessive Current Draw - gefran 850 Installation And Instruction Manual

4.12.1. Functional diagram

Alarm due to
insufficient
current draw
LOW.ON page. 106
Alarm due to
excessive
current draw
HIG.ON page. 106
Alarm due to
excessive
current draw
HIG.OFF page. 107
Current input
CURR.1
Current input
CURR.2
OUT.1
OUT.2
OUT.3
OUT.4

4.12.2. LOW.ON - Alarm due to insufficient current draw

Acronym
LOW.ON LOW LOAD CURR THRESH ON TIME
The parameter shows and sets the current draw value below which the Heater Break alarm trips when the control output
is ON.
If the draw is too low it is assumed that the heating element is broken. The signal may also be caused by a power failure
on the heating element supply line.
Unit of measurement:
Options: 0.0...999.9

4.12.3. HIG.ON - Alarm due to excessive current draw

Acronym
HIG.ON HIGH LOAD CURR THRESH ON TIME
The parameter shows and sets the current draw value above which the Heater Break alarm trips when the control output
is ON.
If the draw is too high it is assumed that the heating element or its supply line is in short circuit.
Unit of measurement:
Options: 0.0...999.9
Output selection
contro
OUT page. 107
Scrolling message
A
Scrolling message
A
80209C_MHW_850-1650-1850_02-2020_ENG_pag. 106
Alarm
Alarm
Load type state
LOAD page. 108 AL.HBx
Delay
TIME page. 107
Output
Blinking
display
BLK.HB page. 108
Scrolling
message
MSG.HB page. 108
Submenu Attributes
AL.HB R W
Submenu Attributes
AL.HB R W