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Honeywell TrolaTemp MABS EZ-2 Product Data

Mastertrol automatic balancing system control panel
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Mastertrol® Automatic Balancing System™

APPLICATION

The MABS EZ-2 and EZ-4 are microprocessor-based forced
air zone control panels that provide automatic or manual
changeover control of single- and two-stage heating and
cooling and heat pumps with or without auxiliary heat.
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved
(MABS®) EZ Zone (EZ-2 and EZ-4)
Control Panels

FEATURES

• MABS EZ-2 controls two zones and MABS EZ-4 control
four zones. For systems requiring five or more zones,
the TotalZone series of control panels is used.
• Uses standard four-wire (R,W,Y,G) thermostats.
• Any zone thermostat changeover is based on first call.
• Bank of eight DIP switches provides easy system
configuration.
• Adjustable purge timing of two minutes or three and
one-half minutes.
• Adjustable heating and cooling limit with optional
ZoneMAX Sensor.
• Stage control allows built-in timer to control heating
and cooling stages.
• Use any four-wire thermostat.
For Internet access: www.trolatemp.com or
www.honeywell.com/yourhome/zoning/zoning_home.htm
For technical support, call 1-800-TAT-Temp (1-800-828-8367).
To download Zoning literature: http://hbctechlit.honeywell.com
Application ........................................................................
Features ............................................................................
Specifications ....................................................................
Ordering Information .........................................................
Installation .........................................................................
Startup and Checkout........................................................
Operation...........................................................................
Troubleshooting................................................................. 12
PRODUCT DATA
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69- 1360-2
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Summary of Contents for Honeywell TrolaTemp MABS EZ-2

  • Page 1: Table Of Contents

    For technical support, call 1-800-TAT-Temp (1-800-828-8367). To download Zoning literature: http://hbctechlit.honeywell.com Contents Application ................ Features ................Specifications ..............Ordering Information ............Installation ................. Startup and Checkout............Operation................Troubleshooting..............12 ® U.S. Registered Trademark 69- 1360-2 Copyright © 2001 Honeywell • All Rights Reserved...

  • Page 2: Specifications

    Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9. 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: Installation

    MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS Dampers: See Fig. 3-7 for hookup drawings. See Table 2 for Accessories: recommended dampers. For required accessories, see Table 3. Table 2. Recommended Dampers. Honeywell Damper Types Round Rectangular Power-open/ MARD...
  • Page 4 MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS Wiring Diagrams NOTE: Wiring is the same for AOBD, AOBD-BM and IOBD Dampers. See Table 1 for recommended thermostats. See Fig. 1-15 for wiring appropriate wiring diagrams. NOTE: The common wire (C to M1) is used only on thermo- MOTOR TERMINALS stats that require it.

  • Page 5: Wiring Diagram

    MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS OUTDOOR CONDENSING UNIT CONTROL PANEL CONNECTIONS COMPRESSOR RELAY MABS EZ PANEL 24V TRANSFORMER R8222 24V SPDT RELAY FAN RELAY HEAT RELAY ML6161A HVAC CONTROLS MOTOR M19042 M19039 Fig. 10. Single-stage heating and cooling equipment wiring diagram.
  • Page 6 — Two-speed Compressors: For two-speed com- pressors or two-speed compressors with auxiliary heat, the EMM-3U or TotalZone panels are rec- ommended. Call Honeywell Zoning at 800-828- 8367 for assistance. 69-1360–2...
  • Page 7 MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS HEAT COOL PURGE EM.HT ZONE 1 ZONE 2 GRN - DAMPER OPEN/MOVING OPTIONAL ZoneMAX OFF - DAMPER CLOSED OR C7735 SUPPLY AIR BOOT TEMPERATURE ZoneMAX SENSOR EZ2 REV. F HVAC CONTROLS SECOND STAGE COOLING RELAY 2 3 4 5 6 7 8...

  • Page 8: Startup And Checkout

    MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS HEAT COOL PURGE EM.HT ZONE 1 ZONE 2 ZONE 3 ZONE 4 OPTIONAL ZoneMAX OR C7735 SUPPLY AIR GRN - DAMPER OPEN/MOVING BOOT ZoneMAX TEMPERATURE OFF - DAMPER CLOSED SENSOR HVAC CONTROLS SECOND STAGE COOLING RELAY...

  • Page 9: Operation

    MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS OPERATION Table 4. Stage timer configuration. Minutes DIP Switch 5 DIP Switch 6 DIP Switch 7 Sequence of Operation On a call for heating or cooling, the zone damper to the calling zone stays open, and the dampers close to the zones that are not calling.
  • Page 10 MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS ZoneMAX Sensor Leaving Air Temperature Sensor Table 5. Purge DIP switch settings. The ZMS (not included) is a duct-mounted temperature probe that monitors the supply of air temperature to control capacity DIP Switch No.
  • Page 11 MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS Thermostats Second Stage Emergency Heat Jumper A jumper is installed on the jumper block to energize W2 The panel can use almost any four-wire (R,W,Y,G) thermostat. output during a call for emergency heat. If there are two forms Each zone requires its own switching subbase with either of auxiliary heat, one can be connected to W2 as the second manual or automatic changeover.

  • Page 12: Troubleshooting

    +RPH DQG %XLOGLQJ &RQWURO +RPH DQG %XLOGLQJ &RQWURO +RQH\ZHOO +RQH\ZHOO /LPLWHG+RQH\ZHOO /LPLWpH 'RXJODV 'ULYH 1RUWK '\QDPLF 'ULYH *ROGHQ 9DOOH\ 01 6FDUERURXJK 2QWDULR 09 = Printed in U.S.A. on recycled 69-1360–2 G.H. Rev. 9-01 www.honeywell.com/yourhome paper containing at least 10% post-consumer paper fibers.

This manual is also suitable for:

Mabs ez-4

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