819091D
4
CONTENTS
1 SPECIFICATIONS........................................................................................................................8
1.1 CABINET SPECIFICATIONS ................................................................................................8
1.2 COMPRESSOR SPECIFICATIONS ......................................................................................8
1.3 ELECTRICAL SPECIFICATIONS..........................................................................................8
2 MODEL NUMBER IDENTIFICATION...........................................................................................9
3 SERVICING REQUIREMENTS ..................................................................................................10
3.1 SPECIALISED SERVICE TOOLS .......................................................................................10
Static Strap.....................................................................................................................................10
Interface Pen Mk 2.........................................................................................................................10
3.2 HEALTH & SAFETY ............................................................................................................10
Good Work Practices .....................................................................................................................10
Environmental Health And Safety.................................................................................................10
Good Practice And Safety..............................................................................................................10
4 INSTALLATION INSTRUCTIONS..............................................................................................11
4.1 LEVELLING COMPONENTS...............................................................................................11
4.2 LEVELLING THE CABINET ................................................................................................12
4.3 AIR SPACE REQUIREMENTS............................................................................................12
5 THEORY OF OPERATION.........................................................................................................13
5.1 TERMS.................................................................................................................................13
5.2 DEFROST CYCLE ...............................................................................................................14
5.3 THE REFRIGERATION CYCLE ..........................................................................................15
5.4 SERVICING FEATURES .....................................................................................................16
Condensate Disposal......................................................................................................................16
Filter Drier......................................................................................................................................16
Internal Condenser.........................................................................................................................17
Condenser Layout RF210A ...........................................................................................................18
Compressor Compartment Layout.................................................................................................19
5.5 CROSS RAIL .......................................................................................................................19
5.6 DIVIDER PARTITION...........................................................................................................19
6 ELECTRONICS SECTION .........................................................................................................21
6.1 DIAGRAMMATIC OVERVIEW FUNCTION DESCRIPTION ...............................................21
6.2 CONTROL & PERIPHERAL FUNCTIONS..........................................................................21
Power/Control Module...................................................................................................................21
Door Switches................................................................................................................................21
Defrost Heater................................................................................................................................21
Thermal Fuse..................................................................................................................................22
Low Ambient Heater......................................................................................................................22
PC / FC Fans ..................................................................................................................................23
Lights (PC & FC)...........................................................................................................................24
Thermistor Temperature Sensors...................................................................................................24