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HVAC Zone Controls & Zoning Dampers

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SmartZone can replace almost any Zone Controller

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This is a chart for cross-referencing other brand (not Ecojay) zone panel part numbers for replacement with one of the SmartZone product line.

Manufacturer Part # Zones Stages (H - C)

Honeywell HZ432 4 SmartZone-4X ZS4X 3 - 2

Honeywell HZ322 3 SmartZone-4X ZS4X 2 - 2

Honeywell HZ311 2 SmartZone-2X ZS2X or SZ2L 1 - 1

Honeywell HZ221 2 SmartZone-2X ZS2X or SZ2L 1 - 2

EWC UZC4 4 SmartZone-4X ZS4X 3 - 2

EWC BMPlus3000 3 SmartZone-4X ZS4X 2 - 2

EWC BMPlus5000 5 SmartZone-4X ZS4X 2 - 2

EWC BMPlus7000 7 SmartZone-4X ZS4X 2 - 2

EWC NCM300 3 SmartZone-4X ZS4X 2 - 1

EWC ST-2E 2 SmartZone-2X ZS2X or SZ2L 1 - 1

EWC ST-3E 3 SmartZone-4X ZS4X 1 - 1

ZoneFirst H32/P 2 SmartZone-2X ZS2X or SZ2L

ZoneFirst MDZ3 3 SmartZone-4X ZS4X

ZoneFirst MMZ3 3 SmartZone-4X ZS4X

ZoneFirst MZS4 4 SmartZone-4X ZS4X

JacksonSystems Z-200-HC 2 SmartZone-2X ZS2X SZ2L 1 - 1

JacksonSystems Z-200-HC-MS 2 SmartZone-2X ZS2X SZ2L 1 - 1

JacksonSystems Z-200-HP 2 SmartZone-2X ZS2X SZ2L 1 - 2

JacksonSystems Z-2000 20 SmartZone-4X ZS4X

JacksonSystems Z-300-HC-MS 3 SmartZone-4X ZS4X

JacksonSystems Z-300-HPS 3 SmartZone-4X ZS4X

JacksonSystems Z-600 6 SmartZone-4X ZS4X

JacksonSystems WCZ-600 6+ SmartZone-4X ZS4X

Braeburn 140202 2 SmartZone-2X ZS2X SZ2L

Braeburn 140303 3 SmartZone-4X ZS4X

Braeburn 140404 4+ SmartZone-4X ZS4X

DuraZone RED4 SmartZone-4X ZS4X

DuraZone SMZ 2,3,4 SmartZone-4X ZS4X

DuraZone JTZ SmartZone-4X ZS4X

AprilAire 6202 2 SmartZone-2X ZS2X or SZ2L 1 - 1

AprilAire 6203 3 SmartZone-4X ZS4X 1 - 1

AprilAire 6303 3 SmartZone-4X ZS4X 2 - 1

AprilAire 6404 4 SmartZone-4X ZS4X 3 - 2

AprilAire 6402 2 SmartZone-2X ZS2X or SZ2L 0

AprilAire 6504 4 SmartZone-4X ZS4X 3 - 2

Arzel HeatPumPro SmartZone-4X ZS4X

Arzel AirBoss 8 SmartZone-4X ZS4X 3 - 2

Arzel MPS Series 2,3 SmartZone-2X ZS2X SZ2L 1 - 1

Arzel GTPro SmartZone-4X ZS4X 3 - 2

Arzel AloneZone 1 SmartZone-2X ZS2X SZ2L 0 - 0

Zonex Digitrack 3 3 SmartZone-4X ZS4X 2 - 1

Zonex Digitrack 4 4 SmartZone-4X ZS4X 2 - 2

Zonex GEN II-R 10 SmartZone-4X ZS4X 2 - 2

Zonex GEN III 20 SmartZone-4X ZS4X

PLUS MANY MANY MORE! Contact us with questions about compatibility.

If you have any experience with part numbers that are not listed on this sheet, please comment and I will add them.

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2016: QUESTIONS from ONLINE CUSTOMERS

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QUESTION: Will SmartZone replace Honeywell Trol-a-temp?

ANSWER: The SmartZone-4X is a "drop-in" replacement for all of the Honeywell boards.

Photo by spates/iStock / Getty Images

QUESTION: I live in Toronto, Ontario, Canada. Are there any qualified installers for the Smart Zone dampers?

ANSWER: Although we have customers in other parts of Canada, we do not have any specific HVAC contractor customers in Toronto. Any reputable HVAC contractor with previous experience installing zoning should be able to install the Ecojay SmartZone controls or dampers. Many do-it-yourself folks have also successfully installed Ecojay's controls/dampers without difficulty. If your contractor is not specifically familiar with SmartZone controls they can reach our technical support line, 844-ZONE-123, for assistance if needed. Feel free to contact us with additional questions.

QUESTION: I have an old DuroZone system (model SMZ-SW) that has stopped working and am looking for a replacement solution and have been researching the Smartzone option.  I have a few questions and wanted to see if you could help me.

  1. I'm not sure what has failed with the DuroZone system, but I wanted to first see if I replaced the controller with the Smartzone controller if it would work.  Will the Smartzone controller work with the DuroZone dampers ?
  2. Would you be able to put me in touch with an installer who could do the installation and testing of the smartzone controller ?  I'm not overly handy and would prefer a knowledgeable installer to do the install and tests.

ANSWER:

  1. Ecojay's SmartZone products are compatible with your current DuroZone controller.  Your existing thermostats and dampers are normally compatible with SmartZone.as well. Wiring the dampers into SmartZone may be different depending on the model dampers you have. We can provide damper wiring instructions when you or your installer inform us the damper models you have. 
  2. The change out of your existing Durozone controller should be simple for any competent hvac contractor even if they haven't used Smartzone before.  Zoning Supply can also be contacted for technical support toll free if you or the installer need technical assistance. 

QUESTION: I have a Honeywell Chronotherm 111 system with one main panel and three mercury thermostat controllers. I have been informed that my control panel is inoperative and three dampers have failed. I would like to upgrade the system with out
losing the capability/control of the temperature in each room. I am in dire need to correct/improve my system with the Honeywell product.

ANSWER: The Honeywell Chronotherm III thermostat (models T8600, T8601 & T8603) are 24VAC powered according to Honeywell's spec sheet and should be compatible with any Ecojay SmartZone controller.

QUESTION: My customer has a Carrier/Parker zone system, not sure what version. I want to replace the complete system minus the dampers. Currently there is a main controller, bypass controller and six zones. The bypass could be converted to a dump zone. Wireless is also an option. What do you think?

ANSWER:  From our knowledge of the Carrier-Parker controls, it is VVT control system  and Carrier released two generations of the product line that we know of.  One or both generations used dampers that had DC powered, multi-position actuators. Carrier has also tended to use a more proprietary control flow using a pulsed or multi-position damper actuator which do not have an internal stop switch.  SmartZone outputs 24VAC continuously on either the OPEN damper circuit or CLOSE damper circuit with the actuator using an internal stop switch to switch off power when it reaches stop in either open or close position. This is typical of most conventional residential/light commercial zone control brands and product-lines today. If your customer's current system does not match this specification you will need to change out the damper actuators if installing Ecojay SmartZone or any other major 24VAC brand control product. Ecojay's damper actuators have a torque rating of 18 in-lb/2 Nm and can work with a round or square shaft of 1/4" to 5/8" diameter.
SmartZone is expandable up to 20 zones, capable of 2C/3H stages and is compatible with any conventional 24VAC controlled equipment including heat pump or heat pump with dual fuel. SmartZone is also compatible with all off the shelf 24VAC thermostats. If you are able to supply the specific product model your customer is using I can probably be more specific about the compatibility issues.

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QUESTION: I have a Honeywell Trol-a-temp Model MABS-2 422041-2 with a Mastertrol Add-a-zone model MAZ-1 TAT422027. This is a 4 zone electric system, heat pump with Emergency heat. I have the Master which control s the Emergency heat plus e thermostats. I would like to upgrade the Panel so that I can put a digital thermostat as the master.

ANSWER: SmartZone-4X will work for you.
http://zoningsupply.com/buy/smartzone-4x

QUESTION: I am looking to use this product with a 2 zone system that has 2 wire dampers. I have to power 4 dampers per zone. Will this produced do so? I am using 8" round dampers and there are 4 per floor.

ANSWER: All Ecojay SmartZone controls are compatible with 2 and 3 wire dampers. They can even be mixed on the same zone. SmartZone can support up to four 2 wire dampers (up to ten 3 wire dampers) on each zone.  Dampers and thermostats are powered from the SmartZone controller. It is important to determine the VA capacity of the transformer needed to power SmartZone as the number of devices powered from the controller increase. In your installation, the transformer used to power the SmartZone controller will need to support the power demand of the zone controller (12VA), 8 dampers (2-wire dampers at 7-10VA each), and 2 thermostats (2VA each). Total potential transformer VA demand from these components collectively total 96VA (12+80+4). However, assuming your 2 wire dampers are power close/spring open, power demand from the dampers will occur only when the dampers are closed. With a 2 zone system, you will never see both zones closed at the same time (all dampers default to open when no zones are calling) so your maximum power demand will be only from 4 dampers. This changes the maximum potential power demand to 62VA (12+40+4). A 75VA - 24VAC transformer will be capable of providing adequate power for your system. This size transformer is readily available on Ebay and many other web stores.  If your 2 wire dampers are power open/spring close (this type is typically used only for fresh air ventilation) then you will need a transformer with a VA capacity of 100VA minimum.  Visit our zoningsupply.com website and review the ZS2X/4X installation guide for more information on installation. Thank you for contacting Zoning Supply with your question. We appreciate your interest in our SmartZone products.

QUESTION: The 9580 thermostat uses delta T (difference between actual room and called for temps) as part of the staging calculation.  If the staging function of the thermostat is replaced by the zone controller, how does the controller get delta T, or is is not used?  If not, ow does it determine staging...is it rate of temp change sensed by the probe?

ANSWER: SmartZone uses algorithms based on time and supply air temperature (as measured at the supply air plenum) to control staging. Each time the equipment is started SmartZone will require a minimum run time in stage 1 before it will consider staging. This initial run time allows for the equipment to achieve a stable temperature in heat or cool before determining if staging up is necessary. After the initial run time requirement is achieved SmartZone compares supply air temperature to the cut-in temperature settings and will stage up if conditions are met. When the equipment is running stage 2 SmartZone will compare supply air temperature to the cut-out temperature and will return to stage 1 if conditions are met. SmartZone staging algorithms will vary the time and temperature elements based on equipment type (gas/electric or heat pump) and mode of operation (cool or heat). The SmartZone Installation manual included with your product provides detailed information about the sequence of operations for adjusting staging settings including the specific algorithms used for each equipment type and their modes of operation.

 

Replace Honeywell Zone Controls with SmartZone

Supportzoning supplyComment

Good video that shows the basic wiring steps for replacing a honeywell truezone with SmartZone.  The video features the HZ322 but also applies to the HZ432, HZ311, & HZ221

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If you have any questions about replacing your zone control with SmartZone, contact us for expert zoning support!