Contents
Contents
Applications..................................................................................................................................................... 5
Installation...................................................................................................................................................... 5
Parts included...................................................................................................................................... 5
Materials and special tools needed................................................................................................... 5
Mounting......................................................................................................................................................... 6
Safety guidelines................................................................................................................................. 6
Mounting the ZEC510.......................................................................................................................... 6
Wiring.............................................................................................................................................................. 9
Input and output terminals.............................................................................................................. 10
Sensor bus terminal block...................................................................................................................... 10
Zone bus terminal block......................................................................................................................... 10
Modular ports........................................................................................................................................... 11
Supply power terminal block.................................................................................................................. 12
Wiring diagrams................................................................................................................................ 13
ZEC510-1 controller - VAV with staged reheat control wiring example............................................. 13
ZEC510-2 controller - VAV with incremental reheat control wiring example.................................... 15
ZEC510-3 controller - Multizone unit VAV with proportional reheat control wiring
example...................................................................................................................................................... 17
ZEC510 terminal functions, ratings, requirements, and wiring guidelines................................ 19
Input and output wiring guidelines....................................................................................................... 19
System and zone bus supply power wiring guidelines....................................................................... 19
Sequence of operation................................................................................................................................ 24
Occupied mode.................................................................................................................................. 24
Unoccupied mode............................................................................................................................. 24
Unit enable................................................................................................................................................ 24
Fan control (optional).............................................................................................................................. 24
Occupancy lighting switch (optional).................................................................................................... 24
Demand control ventilation (optional).................................................................................................. 25
Configuring the NS sensors........................................................................................................................ 25
Setup and adjustments............................................................................................................................... 26
Setting the ZEC510 device address................................................................................................. 26
Accessories.................................................................................................................................................... 27
Troubleshooting........................................................................................................................................... 28
Status LEDs......................................................................................................................................... 28
Communication bus problems........................................................................................................ 29
Input and output wiring problems........................................................................................................ 29
Invalid address......................................................................................................................................... 29
Duplicate addresses................................................................................................................................ 29
Correcting physical communication bus problems............................................................................. 30
Repair information....................................................................................................................................... 31
Technical specifications............................................................................................................................... 31
Verasys ZEC510 VAV Controllers Installation Guide
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