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Section | Section |
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
Theory of Operation | Section E |
General Description | |
Input Board and Bus Board | |
Main IGBT Inverter Board | |
Main Transformer | |
Output Module and Clamping Board | |
Output Module Transistor Board | |
Superimposition Board | |
Control/Display Board | |
High Frequency Board | |
Output Filter Board | |
Insulated Gate Bipolar Transistor (IGBT) Operation |
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Fan |
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24 VDC | Bus board |
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| AC DC Gate drive signals |
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Input |
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| Voltage Feedback |
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| info.reconnect | ckt.AConturn | supplyvolthigh | feedbackvoltage | feedbackcurrent |
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| Current Feedback |
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| IGBT |
| Diode |
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| Thermostat |
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| Thermostats |
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| Main IGBT |
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| & Power board |
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| IGBT’s |
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| Output | RF coil | ||
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| Choke | + |
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| infothermostat | metervoltinput | metercurrentinput |
| DC blocking |
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| Current |
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| ckt.AConturn | infoset | PWMonturn | capacitor board |
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| Choke |
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| Transformer | board | Transistor |
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| Module |
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| 24 VDC Remote 2/4 path (D + E) |
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| HF control signal |
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+48, +24 | Control board | Display & LED |
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Control |
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| Remote 2/4 | |
Knob |
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Remote
48 VDC75, 76, 77 A, B, C
Gas
Solenoid
