Stand-By; Adjusting The Temperature; Defrost; Manual Defrost - Porkka C 940 Installation And Operation Manual

NOTE! AFTER THE INSTALLATION RESET THE
TEMPERATURE STORED.

Stand-by

When pressing the (ON/OFF) button the controller will
display 'OFF' for 5 seconds after this the light at the top right
hand of the switch will be illuminated. Note when switched
'OFF' all relays are shut down and the unit will not record either
the controller data and or alarms. NB. The light switch will still
operate as normal.To turn back on (say after deep clean) simply
press the ON/OFF button again.

Adjusting the temperature

Push and immediately release the
display will show the Set temperature; The (SET) light at the
top right hand of the button will start to fl ash; Change the set
temperature by push either the
required setting. N.B, This must be done within 10 seconds. To
memorise the new temperature setting press
the button again or wait 10 seconds.

Defrost

The equipment is designed to take automatic defrosts, during
this period 'DEF' will be displayed on the controller. After defrost
period the unit will revert to display actual temperature. Chiller
units will defrost every 12 hours whilst meadium and freezer
versions will defrost every 6 hours.

Manual defrost

Press the button for more than 2 seconds to start a manual
defrost.Manual defrost resets the defrost counter, and the
unit continues to operate automatically after manual defrost.
On certain occasions it may be necessary to initate a manual
defrost, (door left open by accident). Press the button for more
that 2 seconds to start a manual defrost. Initiation of a manual
defrost resets the automatic defrost counter and will continue to
operate automatically thereafter.

To check minimum temperature

Press and release the
display followed by the minimum temperature logged. Press the
button again or leave for 5 seconds and the display will
revert to the actual temperature within the equipment.

To check maximum temperature

Press and release the
display followed by the highest temperature logged. Press the
button again or leave for 5 seconds and the display will
revert to the actual temperature within the equipment.

To reset the maximum and minimum temperature recorded

To reset the stored temperature, when maximum or minimum
temperature is displayed: Press
starts blinking.
10
button: the
or button to the
button. "Lo" will appear on the
button. "Hi" will appear on the
button until "rST" label