SED2 VFD Electronic Bypass Option Operating Instructons
VFD0122R2
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| VFD DI#3 |
| 5 | Remote Start/Stop | ||||
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| VFD DI#2 |
| 8 | Interlock Start Confirm | ||||
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| Isolated 0V |
| 28 |
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VFD |
| Bypass |
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| VFD DI#1 |
| 6 | OK to Run |
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Input | Input | Hand |
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| COM |
| 25 | SED2 Relay |
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On/Off | Contactor | Start |
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| VFD DO#2, NO |
| 24 | SED2 | |||||||||||||
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| Bypass |
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| COM |
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| 22 | SED2 Fault | ||
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| VFD Contactor |
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| VFD DO#1, NO |
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| 21 | VFD | ||||||
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Enable | Overload | Remote | VFD INTERFACE |
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Start |
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| Relay |
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| Output |
| VFD DO#1, NO |
| 1 | J4 |
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| Contactor |
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| COM |
| 10 |
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| Motor |
| VFD DO#2, NO |
| 2 |
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STOP | AutoBypassEnabled | VFDFault | COM |
| 9 |
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RESET |
| SafetyFault | VFD DI#1 |
| 3 |
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| EssentialServices | OverloadFault | Isolated 0V |
| 8 |
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| VFD DI#2 |
| 4 |
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| Enable Commanded Proofed |
| 7 |
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INTERLOCKSTARTLOGIC |
| VFD DI#3 |
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| 5 |
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NOTE: |
| KEYPAD INTERFACE |
| 6 | J3 |
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Keypad |
| Ribbon Cable for Keypad |
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| MCU |
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Shown. |
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| Pushbuttons and Indicators |
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| Basic Sanity Test LED |
| J8 |
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| Factory Use Only |
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| ON | OFF |
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| DIP Switch | SW1 |
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| J2 |
| CONTROLLER |
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| Remote Start Input |
| 1 |
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| BOARD |
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| Remote Safety #1 |
| 2 |
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| 3 |
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| 4 |
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| DIGITAL | Remote Safety #2 |
| 5 |
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| INPUTS | Interlock Start |
| 6 |
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| 7 |
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| Essential Services |
| 8 |
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| 9 |
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| Overload Trigger |
| 10 |
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| 11 |
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| HIGH VOLTAGE | ||
| DIGITAL |
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| 12 | J1 |
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| Programmable Output, NO |
| 13 |
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| OUTPUTS |
| COM |
| 14 |
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| FUSE | FUSE |
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| NC |
| 15 |
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| F3 | F4 |
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| VFD Fault, NO |
| 16 |
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| COM |
| 17 |
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| NC |
| 18 |
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| TRANSFORMER |
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| Drive Select, COM |
| 19 |
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| NO |
| 20 |
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| HIGH VOLTAGE/ | |
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| Bypass Select, COM |
| 21 |
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| 120V |
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| NO |
| 22 |
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| F1 |
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| Bypass Running, COM |
| 23 |
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| NO |
| 24 |
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| POWER | |
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| Overload Fault, COM |
| 25 |
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| J7 |
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| NO |
| 26 |
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| TRANSFORMER | |||
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| Override Jumper |
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| J6 |
| 9 | 10 | 11 | 12 | 13 14 |
| J5 |
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| 8 |
| 3 2 1 |
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| 7 | 6 | 5 | 4 |
| 3 | 2 | 1 |
| FUSE |
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| CONTACTOR |
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| Bypass Contactor COM |
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| Earth Ground | F2 |
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| Bypass Contactor NO Not Used |
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| Output Contactor NO ISO IN6B | Output Contactor NC 120V Neutral |
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| 120V Neutral |
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| CONTROLS |
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| 120V Hot |
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| Input Contactor |
| 120V Neutral | 120V Hot 120V Neutral |
| 120V Neutral |
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| ISO IN6A | 120V Hot |
| CONTACTOR |
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| OUTPUT |
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| CONTACTOR |
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| CUSTOMER |
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| BYPASS |
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| SUPPLIED |
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| CONTACTOR |
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| POWER |
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| INPUT DEVICE |
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OF VFD WITH
ELECTRONIC BYPASS
MOTOR
Figure 15. Controller Board Inputs and Outputs.
54 | Siemens Building Technologies, Inc. |
