EZ Zone/Meridian
Upgrade 3
036-21423-001 Rev. A (0602)
Table of Contents
Introduction ........................................................................................................................................ 4
EZ Zone Upgrade Overview .............................................................................................................. 5
Component Descriptions .................................................................................................................... 6
Upgrade Package Selection................................................................................................................ 7
Example #1 - EZ Zone Stand Alone To Meridian Basic ..........................................................8 & 9
Example #2 - EZ Zone Stand Alone To Meridian Plus ........................................................ 10 & 11
Example #3 - Networked EZ Zone To Meridian Plus ..........................................................12 & 13
Optional Controllers And Accessories................................................................................... 14 & 15
EZ Zone Wiring ................................................................................................................................ 16
Meridian Basic Wiring..................................................................................................................... 17
Meridian Plus Wiring....................................................................................................................... 18
Meridian Plus Address Switches ..................................................................................................... 19
HVAC Staging Connections ............................................................................................................. 20
Sensor Connections .......................................................................................................................... 21
Bypass Damper Connections ........................................................................................................... 22
Honeywell Economizer Actuators ................................................................................................... 23
System Manager Installation ........................................................................................................... 24
CommLink II Installation................................................................................................................ 25
Modem Linc Central EPROM Replacement ................................................................................ 26
Master Interface EPROM Replacement ........................................................................................ 27
Zone Controller EPROM Replacement.......................................................................................... 28
EPROM Installation Procedures..................................................................................................... 29
Ribbon Cable Installation ................................................................................................................ 30
Upgrade Parts List Summary.......................................................................................................... 31
Table of Figures
Figure 1: Existing EZ Zone Master Controller Wiring ................................................................ 16
Figure 2: New Meridian Basic Controller Wiring......................................................................... 17
Figure 3: Existing Meridian Plus Controller Wiring .................................................................... 18
Figure 4: New Meridian Plus Address Switch Setting .................................................................. 19
Figure 5: Existing EZ Zone HVAC Wiring .................................................................................... 20
Figure 6: New Meridian HVAC Wiring.......................................................................................... 20
Figure 7: Existing EZ Zone Master Controller Sensor Wiring.................................................... 21
Figure 8: New Meridian Zone Manager Sensor Wiring ............................................................... 21
Figure 9: Existing EZ Zone Bypass Damper Wiring .................................................................... 22
Figure 10: New Meridian Bypass Damper Wiring ........................................................................ 22
Figure 11: Honeywell Economizer Actuators Wiring Information.............................................. 23
Figure 12: System Manager Wiring................................................................................................24
Figure 13: CommLink II Wiring..................................................................................................... 25
Figure 14: EZ Zone Modem Linc Central EPROM Location...................................................... 26
Figure 15: EZ Zone Master Interface Board EPROM Location ................................................. 27
Figure 16: EZ Zone Zone Controller EPROM Location .............................................................. 28
Figure 17: EPROM Removal & Installation.................................................................................. 29
Figure 18: 3 Connector Ribbon Cable Installation ....................................................................... 30