Table of Contents
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3. ELECTRICAL INSTALLATION .............................................................................. 41
3.1 Section Safety......................................................................................................................42
3.2 Standard Connection Diagram...........................................................................................44
3.3 Main Circuit Wiring..............................................................................................................48
Opening the Bypass Enclosure ......................................................................................................... 48
Bypass Main Circuit Terminal Block Configuration ........................................................................... 52
3.4 Input and Output Power Wiring Connections...................................................................53
Factory Recommended Branch Circuit Protection ............................................................................ 53
Main Circuit Terminal Functions........................................................................................................ 54
Wire Gauge and Tightening Torque Specifications........................................................................... 54
Main Input Circuit and Motor Wiring .................................................................................................. 56
Wiring the Main Input Circuit ............................................................................................................. 61
3.5 Control Circuit Wiring .........................................................................................................64
Control Circuit Connection Diagram.................................................................................................. 64
Control Circuit Terminal Block Functions .......................................................................................... 64
Bypass Analog Outputs..................................................................................................................... 65
Serial Communications ..................................................................................................................... 66
Drive Cover Removal ........................................................................................................................ 67
Drives in Bypass Models D024 to D114 and B011 and B124 ........................................................... 67
Drives in Bypass Models D143 to D211 and B156 to B414 .............................................................. 68
Removing/Reattaching the Front Cover ............................................................................................ 68
Wiring the Drive Control Circuit Terminal .......................................................................................... 70
Switches and Jumpers on the Terminal Board.................................................................................. 72
3.6 Bypass and Drive Control I/O Connections ......................................................................73
Terminals A1, A2, and A3 Input Signal Selection.............................................................................. 73
Terminal AM/FM Signal Selection ..................................................................................................... 73
MEMOBUS/Modbus Termination ...................................................................................................... 74
3.7 External Interlock ................................................................................................................75
Annunciation Contact Outputs........................................................................................................... 75
Building Automation System Run/Stop Circuit .................................................................................. 75
Safety Interlock Circuit ...................................................................................................................... 75
Building Automation System Interlock Circuit (Drive and Bypass Enable Input)............................... 75
Remote Transfer to Bypass............................................................................................................... 76
Smoke Purge Operation.................................................................................................................... 76
Spare Multi-Function Digital Inputs ................................................................................................... 76
4. START-UP PROGRAMMING & OPERATION....................................................... 77
4.1 Section Safety......................................................................................................................78
4.2 Using the HOA Keypad .......................................................................................................79
HOA Keypad Keys and Displays....................................................................................................... 79
LCD Display ...................................................................................................................................... 80
Bypass Control Board LEDs.............................................................................................................. 81
ALARM (ALM) LED Displays............................................................................................................. 82
AUTO LED and HAND LED Indications ............................................................................................ 82
HOA Keypad Menu Structure............................................................................................................ 84
HOA Keypad Parameter Display (Drive Off) ..................................................................................... 84
4.3 The Drive and Programming Modes ..................................................................................86
Changing Parameter Settings or Values ........................................................................................... 86
Verifying Parameter Changes: Modified Constants .......................................................................... 87
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YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
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