Vrf management system web enabled central controller (78 pages)
Summary of Contents for York EZ Zone
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EZ Zone EZ Zone EZ Zone EZ Zone EZ Zone T T T T T o o o o o t i o i c a r i d i a n r i d : 3 8 / 0 0...
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Form: 036-21423-001 Rev. A (0602) Supersedes: Nothing Copyright 2002 York International Corp.. Meridian is a registered trademarkof York International Corp. York International Corp. assumes no responsibility for errors, or omissions. This document is subject to change without notice. All rights reserved. Upgrade...
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 ...................
Meridian Controls system without having to re- The York International Corporation’s EZ Zone Controls place all the EZ Zone system components that are in- System was first introduced in the early nineties. The stalled on your job.
036-21423-001 Rev. A (0602) EZ Zone Upgrade Overview The basic steps required to upgrade your EZ After upgrading your system from EZ Zone to Zone system to a Meridian system are: Meridian, you will be able to take advantage of many new enhancements including: Determine what EZ Zone components are currently installed on the system.
EZ Zone/Meridian 036-21423-001 Rev. A (0602) Component Descriptions The general architecture of the EZ Zone and the Merid- Many of these components look similar, however, in ian Systems are very similar making the upgrade pro- some cases they do not function in an identical fashion.
EZ Zone/Meridian 036-21423-001 Rev. A (0602) Upgrade Package Selection There are basically 3 possible EZ Zone to Meridian Please see the Meridian upgrade selection chart below upgrade scenarios you may encounter. We have out- to help determine which example best fits your needs.
(Includes: Zone Manager Board w/ Mounting Screws, Plastic Standoff Kit for Zone Manager, Return Air Sensor, Upgrade Label, Installation Instructions. (2ZOT004704424) Outside Air Sensor (2ZZC004708224) EPROM (Replaces EZ Zone, Zone Controller EPROM) (One Required Per Controller) For optional components list and information see pages 14 & 15 of this manual.
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EZ Zone/Meridian 036-21423-001 Rev. A (0602) EZ Zone Stand Alone to Meridian Basic Existing System To HVAC Unit Control Panel Supply Air Temp Sensor ® Master C IM Controller Zone Air Dampers Bypass Air Up to 16 Zone Air Dampers Allowed...
Note: When ordering be sure to specify Fahrenheit or Celsius operation for your system To Upgrade To The Meridian Plus System Order the Following (2ZZC004708324) EZ Zone to Meridian Plus Upgrade Kit (One Required Per Existing Master Controller) (Includes: Zone Manager Board w/ Mounting Screws, Plastic Standoff Kit for Zone Manager, MiniLink w/ Mounting Hardware, Return Air Sensor, 3 Way Display/Keypad Connector cable, Upgrade Label, Installation Instructions).
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EZ Zone/Meridian 036-21423-001 Rev. A (0602) EZ Zone Stand Alone to Meridian Plus Existing System To HVAC Unit Control Panel Master Controller Supply Air Temp Sensor ® C IM Zone Air Dampers Bypass Air Up to 16 Zone Air Dampers Allowed...
Note: When ordering be sure to specify Fahrenheit or Celsius operation for your system To Upgrade To The Meridian Plus System Order the Following (2ZZC004708124) EZ Zone to Meridian Basic Upgrade Kit (One Required Per Existing Master Controller) (Includes: Zone Manager Board w/ Mounting Screws, Plastic Standoff Kit for Zone...
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EZ Zone/Meridian 036-21423-001 Rev. A (0602) Networked EZ Zone To Meridian Plus Existing System Telephone Line 24VAC To Other Master Controllers (Up to 30 Allowed On System) To HVAC Unit Control Panel Network Loop Supply Air Temp Modem (Optional) Sensor...
In addition to the standard Zone Manager and Zone are available for use with either the Meridian Plus or Controllers, York offers many other controllers and ac- Basic System include the CommLink II Communica- cessories to enhance your new Meridian System. Op-...
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This temperature is used by the economizer control portion of the unit controller to provide accurate Accessories York offers a complete line of accessories for your Replacement Parts List Pricing Catalogs. Following is Meridian system. For part ordering information and a...
EZ Zone Master Controller wiring. This diagram is per the specific Meridian system wiring diagrams on shown for reference only. It’s intent is to show the dif- the following pages. ference between the EZ Zone system wiring and the Bypass Air Damper Actuator Splice As...
EZ Zone/Meridian 036-21423-001 Rev. A (0602) Meridian Basic Wiring Figure 2 below depicts the wiring schematic that should Be sure to pay strict attention to all warnings and cau- be used for the Meridian Basic System upgrade as de- tions listed on the schematic.
EZ Zone/Meridian 036-21423-001 Rev. A (0602) Meridian Plus Wiring Figure 3 below depicts the wiring schematic that should pages 12 & 13 of this manual. Be sure to pay strict at- be used for the Meridian Plus System upgrade as de- tention to all warnings and cautions listed on the sche- scribed in Example 2 on pages 10 and 11 of this manual.
EZ Zone/Meridian 036-21423-001 Rev. A (0602) Meridian Plus Address Switches The Meridian Plus Zone Manager has two different MiniLink board should be addressed with a unique num- address switches. One is located on the main Zone ber for each Zone Manager on the system. It is recom-...
036-21423-001 Rev. A (0602) HVAC Staging Connections Figure5 below shows the EZ Zone Master Controller Zone Manager wiring is much simpler than the EZ Zone wiring. Figure 6 below depicts the wiring schematic Master Controller wiring. Be sure to pay strict atten-...
Only a supply air temperature sensor and the bypass actuator feedback are connected here. To Bypass Actuator Feedback Figure 7: Existing EZ Zone Master Controller Sensor Wiring Splice As Required Static Pressure...
CLOSE Open actuator must be terminated Close on the other side of the con- troller . Figure 9: Existing EZ Zone Bypass Damper Wiring The Meridian Zone Manager wiring has been simplified. NE5090 There is only one terminal Actuator Interface...
036-21423-001 Rev. A (0602) Honeywell Economizer Actuators When the HVAC units that are being upgraded to ule kit is available from York. This kit includes both the Meridian system are equipped with either the the Interface Module and a 24VAC Isolation Trans- Honeywell M7415 or M7405 economizer actua- former.
EZ Zone/Meridian 036-21423-001 Rev. A (0602) System Manager Installation System Manager Alarm MENU Communication Override MINUS CLEAR ENTER Required VA For Transformer System Manager = 25VA Max. DSPY1 SYSTEM MANAGER YS101806 REV. 1 DSPY1 Line Voltage SERIAL # : 82B715...
EZ Zone/Meridian 036-21423-001 Rev. A (0602) CommLink II Installation Commlink II Communications Interface CommLink Is Supplied With 110/24VAC Power Supply. If Desired A Transformer (By Others) (Jumper Set For Multiple Loop) May Be Wired To The CommLink Instead Required VA For Transformer CommLink = 14VA Max.
EPROM chip must also be done with care to prevent damage to the pins on the new chip. See Figure 17 for detailed chip removal and installation in- formation. Figure 14: EZ Zone Modem Linc Central EPROM Location Upgrade...
EPROM chip must also be done with care to prevent damage to the pins on the new chip. See Figure 17 for detailed chip removal and installation in- formation. Figure 15: EZ Zone Master Interface Board EPROM Location Upgrade...
CONTACT: UL / CSA 5A250VAC chip. See the next page for de- 24VAC tailed chip removal and instal- 24VDC lation information. CONTACT: UL / CSA 5A250VAC Figure 16: EZ Zone Zone Controller EPROM Location Upgrade...
Only socketed chips may be removed and replaced in the field. All other chips that are not socketed will require sending the board to the York factory for repair. If you try to remove a chip that is not socketed it will destroy I.C.
USE CARE TO ROUTE THE RIBBON CABLE SO THAT IT IS NOT CRIMPED AND SO IT IS CLEAR OF ENCLOSURE COVER SCREWS WHEN INSTALLED Use 3-Connector Ribbon Cable When Connecting Auto-Zone Plus Zone Manager Board To EZ Zone Keypad & Display Board Minilink Board Zone Manager Board Keypad And Display...
All the standard components that are required or avail- For other Meridian products such as CV Unit Control- able for the Meridian to EZ Zone upgrades are summa- lers, Lighting Panel Controllers etc., please see pages rized below. See the upgrade examples on pages 8 14 &...
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Subject to change without notice. Printed in U.S.A. 036-21423-001 Rev. A (0602) Copyright by Unitary Products Group 2002. All rights reserved. Supersedes: Nothing Unitary 5005 Norman Products York Group Drive 73069...