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Com-Tech 200/400/800/1600 Power Amplifiers
CONTENTS
1 Welcome ........................................................................... 7
1.1 Unpacking................................................................. 7
1.2 Features .................................................................... 7
2 Facilities ............................................................................ 8
3 Installation ....................................................................... 10
3.1 Mounting.................................................................. 10
3.2 Cooling .................................................................... 10
3.2.1 Cooling for Units without Internal Fans ........... 11
3.2.2 Additional Cooling for Units with Internal Fans 11
3.3 Wiring ...................................................................... 12
3.3.1 Mode of Operation........................................ 12
3.3.2 Input Connection .......................................... 17
3.3.3 Output Connection ....................................... 18
3.3.4 Additional Load Protection ........................... 20
3.4 AC Mains Power...................................................... 21
4 Operation ........................................................................ 22
4.1 Precautions ............................................................. 22
4.2 Indicators ................................................................ 22
4.3 Protection Systems ................................................. 23
4.3.1
ODEP ............................................................
23
4.3.2 Standby Mode .............................................. 24
4.3.3 Transformer Thermal Protection ................... 24
4.3.4 Circuit Breaker .............................................. 24
4.4 Controls................................................................... 25
4.5 Filter Cleaning ......................................................... 25
5 Technical Information ...................................................... 26
5.1 Overview ................................................................. 26
5.2 Circuit Theory.......................................................... 26
5.2.1 Dual Operation ............................................. 26
5.2.2 Bridge-Mono Operation ................................ 28
5.2.3 Parallel-Mono Operation ............................... 28
6 Specifications .................................................................. 29
7 AC Power Draw and Thermal Dissipation ....................... 42
8 Accessories ..................................................................... 44
8.1
P.I.P.
Modules ......................................................... 44
8.2 Cooling Fan Option (120 VAC, 60 Hz only)............. 46
8.3 Constant Voltage Computer.................................... 46
9 Fire Protective Signaling ................................................. 47
10 Service ............................................................................ 48
10.1 Worldwide Service ................................................. 48
10.2 North American Service ......................................... 48
10.2.1 Service at a North American Service Center 48
10.2.2 Factory Service ............................................ 48
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