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Honeywell MiniZone EMM-3 Product Data
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Honeywell MiniZone EMM-3 Product Data

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APPLICATION

The EMM-3 Electronic MiniZone™ Panel controls single-
stage heat/cool equipment and is used on two-and three-zone
applications.
® U.S. Registered Trademark
Copyright © 2002 Honeywell • All Rights Reserved
Electronic MiniZone™ Panel

FEATURES

• Uses any Honeywell four-wire thermostat.
• Optional C7735 Discharge Air Temperature Sensor
Sensor for capacity control.
• SYSTEM and ZONE damper status LEDs indicate
system status.
• Automatic zone changeover with 20-minute
changeover timer.
• Individual zone fan control.
• Thermal circuit breaker protects panel and transformer
from damage if miswired.
• Purge timer protects equipment between calls for
heating and cooling.
• Uses spring-open/power-closed, spring-closed/power-
open, and power-open/power-closed dampers.
• Interfaces with single or dual transformer equipment.
For Internet access:
www.honeywell.com/yourhome/zoning/zoning_home.htm
For technical support: call 1-800-828-8367.
To download Zoning literature:
http://hbctechlit.honeywell.com
Application.........................................................................1
Features ............................................................................1
Specifications ....................................................................2
Ordering Information .........................................................2
Installation .........................................................................4
Startup and Checkout........................................................7
Service ..............................................................................9
Troubleshooting.................................................................9
EMM-3
PRODUCT DATA
Contents
68-3041-2

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Summary of Contents for Honeywell MiniZone EMM-3

  • Page 1: Table Of Contents

    For technical support: call 1-800-828-8367. To download Zoning literature: http://hbctechlit.honeywell.com Contents Application.................1 Features ................1 Specifications ..............2 Ordering Information ............2 Installation .................4 Startup and Checkout............7 Service ................9 Troubleshooting..............9 ® U.S. Registered Trademark Copyright © 2002 Honeywell • All Rights Reserved 68-3041-2...

  • Page 2: Specifications

    Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 20 x 8 SPRD 1600 cfm Spring-closed/power-open. 20 x 10 SPRD 2000 cfm See Table 2 for recommended dampers. 20 x 12 SPRD 3000 cfm Table 2. Recommended Dampers. Honeywell Damper Type Round Rectangular Power-open/power closed MARD D643 using ML6161 Motor Actuator Spring-open/power-closed...

  • Page 4: Installation

    EMM-3 ELECTRONIC MINIZONE™ PANEL INSTALLATION Mounting 4. Connect the zone 1 thermostat to EMM-3. 5. Reconnect power to EMM-3. 6. Check out connections made in steps 1 through 5: a. If system is in Purge mode, press PURGE OVER- CAUTION RIDE on EMM-3.
  • Page 5 EMM-3 ELECTRONIC MINIZONE™ PANEL (1) Zone 3 damper is open. Zone 3 LED on EMM-3 CAUTION is green. (2) Zone 1 and 2 dampers are closed. Zone 1 and 2 Voltage Hazard. LED on EMM-3 are off. Can cause electrical shock or equipment damage. (3) Heating equipment is activated.
  • Page 6 EMM-3 ELECTRONIC MINIZONE™ PANEL SYSTEM ZONE 1 ZONE 2 ZONE 3 Discharge Air Temperature BOOT PURGE DAMPER STATUS LEDS Sensor OVERRIDE LED STATES: SYSTEM LED (See C7735 HEATING MODE ZONEMAX Installation Instructions GREEN COOLING MODE 24 Volt Equipment for further information.) ORANGE PURGE MODE Transformer(s)

  • Page 7: Startup And Checkout

    EMM-3 ELECTRONIC MINIZONE™ PANEL STARTUP AND CHECKOUT After the installation is complete, check to be sure the system is working properly. See Table 4 for sequence of operation. Table 4. Trol-A-Temp Electronic MiniZone Panel Sequence Of Operation. Terminals Device Energized System Action Comments INITIAL POWERUP...
  • Page 8 EMM-3 ELECTRONIC MINIZONE™ PANEL Table 4. Trol-A-Temp Electronic MiniZone Panel Sequence Of Operation. (Continued) Terminals Device Energized System Action Comments ZONE 1 CALLS FOR FAN Zone 1 Thermostat G (fan) System fan is energized. When a call for cool is made, panel (green).

  • Page 9: Service

    EMM-3 ELECTRONIC MINIZONE™ PANEL SERVICE DATS Operation—High limit is 160° F (71°C); low limit is 44°F (6°C) and not field-adjustable. Purge timing— fixed at two and one-half minutes; not field- TROUBLESHOOTING adjustable. Fan operation in Purge mode—fan is on in Purge mode; not The primary diagnostic tools are the SYSTEM and ZONE field adjustable.
  • Page 10 EMM-3 ELECTRONIC MINIZONE™ PANEL START IS THERE CHECK THE TRANSFORMER 24 VAC AT THE THE PANEL MAY HAVE BEEN DAMAGED. FOR 24 VAC. TRANSFORMER R AND C TAKE THE R OR C WIRE OFF AGAIN FOR 10 ON THE EMM MINUTES.
  • Page 11 EMM-3 ELECTRONIC MINIZONE™ PANEL 68-3041-2...
  • Page 12 EMM-3 ELECTRONIC MINIZONE™ PANEL Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 68-3041-2 G.H. Rev. 10-02 www.honeywell.com/yourhome...