Delfield Shelleyglas KFW-1-NU, Installation, Operation And Maintenance Manual

Page: 19 / 24

Section 4 Operation
Part Number: 9291544 07/20 19
ERC112 TEMPERATURE CONTROL & DISPLAY
Notice
Temperature displayed is for refrigeration set point
purposes only. Display does not reflect air or product
temps in unit.
1. At initial start-up or anytime power is disconnected,
then reconnected to the unit, the control will go into
normal cooling mode.
2. The temperature control will cycle the compressor and
condenser fan motor to maintain proper temperature.
V
V
Press upper or lower right button.
• Display show actual set-point (blinking).
• If buttons untouched for 3 seconds returns to
normal.
• Increase set-point by pressing upper button. Max value
depends on parameters in control.
• Decrease set-point by pressing lower button. Min value
depends on parameters in control.
• If buttons untouched for 3 seconds returns to
normal and stores new set-point.
Press lower left button for 5 seconds.
• Unit goes into stand-by mode.
• The display will read Off, then a period.
• Press the lower left button again for 5 seconds.
• The display will read On.
• The unit will then start up in normal cooling
mode.
Operation / Indication
Status Displayed Comments
Normal (°C) Temp.
[°C]
Unit depends on
setting (parameters in
control)
Normal (°F) Temp. [°F]
Show set-point Temp.
Sensor 1 defect E01 X Air sensor
Sensor 2 defect
E02
X Open
Sensor 3 defect E03 X Open
Sensor 4 defect E04 X Open
High temperature
alarm Hi X Automatically
switching at 2 sec rate
Low temperature
alarm
Lo
X
Line voltage too high uHi X
Line voltage too low
uLi
X
Control calls for
cooling for more than
24 hours straight LEA X Time includes defrost.
Error will go away
if the control cycles
off the compressor
or if the power is
shut off. If error is on
a cold pan it could
be related to a high
ambient temperature
or not shutting the
rail off nightly.
Temperature Alarm
The alarm will sound and flash HI or LO 90 minutes after the
unit has reached its alarm temperature point or after any
power interruption if the temperature is above or below the
alarm set points.