Technical_reference - 第5页
Technical Service Manual 5 Revision Dat e: August 2004 CONTROL PANEL SYMBOLS XPM 2 OPERA TOR CONTROL PA NEL KEY SWIT CH RA ISES A ND LOW ERS THE OVEN HOOD SELECTO R SWIT CH A DJUSTS RAIL IN or OUT
Technical Service Manual 4 Revision Date: August 2004
PURPOSE OF THIS MANUAL & WHO SHOULD USE IT
CAUTION
IMPROPER SAFETY PRECAUTIONS OR UNSAFE WORK METHODS MAY RESULT IN SERIOUS INJURY!
The following conditions may be encountered
when working on any reflow oven:
Þ High Temperature areas (up to 350
o
C)
Þ High Voltage areas (up to 480 VAC)
Þ High Current areas (up to 200 Amps)
Þ Moving Mechanical Parts and Systems
Þ Heavy Components
Þ Sensitive Electronic Components
This manual is intended to meet the needs of service personnel responsible for the regular service of Vitronics-Soltec
Reflow Ovens. Vitronics-Soltec does not consider this manual a specification for Vitronics-Soltec products or any
components contained in those products and reserves the right to change information contained in this manual without
notification. This manual is intended to be a reference. Some of the topics explain manufacturing and assembly
methods and practices; however, many topics deal with specific service information and methods. Hopefully, insight will
be provided about the various sub-systems of the electrical control system to allow quick identification of problems and
possible solutions.
IT IS THE RESPONSIBILITY OF THE END USER TO ENSURE THAT ONLY QUALIFIED PERSONNEL
SHOULD BE ALLOWED TO WORK ON THE EQUIPMENT. THIS MANUAL IS FOR SERVICE OF VITRONICS-
SOLTEC OVENS BY TRAINED QUALIFIED PERSONNEL.
AN APPROPRIATE UNDERSTANDING AND USE OF
SAFETY PROCEDURES WHEN WORKING ON AND AROUND THE OVEN IS NECESSARY
Some people who might use this manual are:
• Vitronics-Soltec service technicians
• Customer service technicians
• Customer facilities maintenance personnel
• Technical operators
Technical Service Manual 5 Revision Date: August 2004
CONTROL PANEL SYMBOLS
XPM
2
OPERATOR CONTROL PANEL
KEY SWITCH RAISES
AND LOWERS THE
OVEN HOOD
SELECTOR SWITCH
ADJUSTS RAIL
IN or OUT
Technical Service Manual 6 Revision Date: August 2004
GLOSSARY OF TERMS GLOSSARY OF TERMS & MEASUREMENT CONVERSIONS
999 º C Indicates an open thermocouple or thermocouple connection.
Actuator The lift cylinders used to raise and lower the top section of the oven.
AI Analog Input board. One of the boards in the Oven internal control unit.
Antistatic Device to inhibit the generation and instantaneous dissipation of static electricity.
Control Ladder
Oven electrical schematic which show the relationship of all electrical circuits the oven
controller and to each other
DC Drive An electronic power amplifier used to control the speed of DC motors.
E-stop Emergency stop switch
EPO Emergency Power Off
Encoder
The electronic mechanism that supplies feedback information to the oven controller on how fast
the conveyor system is moving.
ESD Electro Static Discharge.
FNPT Female National Pipe Thread.
GPM Gallons Per Minute.
Heat slinger
A set of fan blades mounted on the shaft of every cell motor. The function of a heat slinger is to
push heated air away from the motor windings and thus prevent premature motor failure.
Heater panel A large aluminum “sandwich” panel on the face of each heater cell in the oven.
Heat sink A piece of metal generally used to dissipate heat from some device.
ICB
Inter Cell Baffle. These are pieces of metal used to help increase zone definition within the
Oven process tunnel.
Interlocks Optional Switches used to ensure that the access panels are closed on the Oven.
Inverter Variable Frequency Drive used to control the speed of the convection fan motors in the Oven.
IR Infrared, refers to a component of the heat which is generated in an oven.