NOFROST UNDERCOUNTER FREEZERS WITH ELECTRONIC TIMER
3/20
TABLE OF CONTENTS
1. INTRODUCTION........................................................................................................................................................ 5
2. REFRIGERATION CIRCUIT ..................................................................................................................................... 6
3. ELECTRIC WIRING................................................................................................................................................... 7
4. FUNCTIONAL DIAGRAM ......................................................................................................................................... 8
5. OPERATION .............................................................................................................................................................. 9
5.1
NORMAL............................................................................................................................................................... 9
5.2
NORMAL
WITH
FIRST
SWITCHING
ON
OR
POWER
FAILURE ................................................................... 10
5.3
SUPER
FUNCTION............................................................................................................................................ 10
5.4
DEFROSTING .................................................................................................................................................... 11
6. ALARMS................................................................................................................................................................... 12
6.1
TEMPERATURE
ALARM
(OPTIONAL) ............................................................................................................ 12
6.2
DOOR
OPEN
ALARM
(OPTIONAL).................................................................................................................. 12
6.3
DEFROSTING
HEATER
ALARM
(OPTIONAL)................................................................................................ 12
6.4
NTC
SENSOR
MALFUNCTIONING
ALARM
(OPTIONAL) ............................................................................. 13
7. COMPONENTS........................................................................................................................................................ 14
7.1
CONTROL
PANEL
: ........................................................................................................................................... 14
7.2
FREEZER
COMPARTMENT
: ........................................................................................................................... 14
7.3
RUBBER
VALVE ................................................................................................................................................ 15
7.4
ELECTRONIC
BOARD ...................................................................................................................................... 15
8. ACCESSIBILITY ...................................................................................................................................................... 17
8.1.
ACCESS
TO
CONTROL
PANEL...................................................................................................................... 17
8.2.
ACCESS
TO
FREEZER
COMPARTMENT ..................................................................................................... 18
9. TROUBLESHOOTING ............................................................................................................................................ 20
9.1
DRAIN
CIRCUIT: ................................................................................................................................................ 20
9.2
EXCESSIVE
ICE
FORMATION
ON
THE
BATTERY:....................................................................................... 20
9.3
MANUAL
DEFROSTING
PROCEDURE........................................................................................................... 20