Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 36)

Installation Orientation and Spacing.................................................................................................. 71
Exterior and Mounting Dimensions ................................................................................................... 71
3. ELECTRICAL INSTALLATION .............................................................................. 73
3.1 Section Safety......................................................................................................................74
3.2 Standard Connection Diagram...........................................................................................76
3.3 Main Circuit Wiring..............................................................................................................80
Opening the Bypass Enclosure ......................................................................................................... 80
Bypass Main Circuit Terminal Block Configuration ........................................................................... 84
3.4 Input and Output Power Wiring Connections...................................................................85
Factory Recommended Branch Circuit Protection ............................................................................ 85
Main Circuit Terminal Functions........................................................................................................ 86
Wire Gauge and Tightening Torque Specifications........................................................................... 86
Main Input Circuit and Motor Wiring .................................................................................................. 88
Wiring the Main Input Circuit ............................................................................................................. 93
3.5 Control Circuit Wiring .........................................................................................................96
Control Circuit Connection Diagram.................................................................................................. 96
Control Circuit Terminal Block Functions .......................................................................................... 96
Bypass Analog Outputs..................................................................................................................... 97
Serial Communications ..................................................................................................................... 98
Drive Cover Removal ........................................................................................................................ 99
Drives in Bypass Models D024 to D114 and B011 and B124 ........................................................... 99
Drives in Bypass Models D143 to D211 and B156 to B414 ............................................................ 100
Removing/Reattaching the Front Cover .......................................................................................... 100
Wiring the Drive Control Circuit Terminal ........................................................................................ 102
Switches and Jumpers on the Terminal Board................................................................................ 104
3.6 Bypass and Drive Control I/O Connections....................................................................105
Terminals A1, A2, and A3 Input Signal Selection............................................................................ 105
Terminal AM/FM Signal Selection ................................................................................................... 105
MEMOBUS/Modbus Termination .................................................................................................... 106
3.7 External Interlock ..............................................................................................................107
Annunciation Contact Outputs......................................................................................................... 107
Building Automation System Run/Stop Circuit ................................................................................ 107
Safety Interlock Circuit .................................................................................................................... 107
Building Automation System Interlock Circuit (Drive and Bypass Enable Input)............................. 107
Remote Transfer to Bypass............................................................................................................. 108
Smoke Purge Operation.................................................................................................................. 108
Spare Multi-Function Digital Inputs ................................................................................................. 108
4. START-UP PROGRAMMING & OPERATION..................................................... 109
4.1 Section Safety....................................................................................................................110
4.2 Using the HOA Keypad .....................................................................................................111
HOA Keypad Keys and Displays..................................................................................................... 111
LCD Display .................................................................................................................................... 112
Bypass Control Board LEDs............................................................................................................ 113
ALARM (ALM) LED Displays........................................................................................................... 114
AUTO LED and HAND LED Indications .......................................................................................... 114
HOA Keypad Menu Structure.......................................................................................................... 116
HOA Keypad Parameter Display (Drive Off) ................................................................................... 116
4.3 The Drive and Programming Modes................................................................................118
Table of Contents
36 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual