Carrier EconoMiSer X Installation, Setup And Troubleshooting Manual
Carrier EconoMiSer X Installation, Setup And Troubleshooting Manual

Carrier EconoMiSer X Installation, Setup And Troubleshooting Manual

Factory installed option low leak economizer
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EconoMi$er X
Factory ---Installed Option
Low Leak Economizer
for 2 Speed SAV (Staged Air Volume) Systems
Installation, Setup & Troubleshooting Supplement
This document is a supplemental installation instruction for the factory-installed
EconoMi$er X (low leak economizer) option. It is to be used with the base unit
Installation Instructions for 48/50TC, 50TCQ, 48/50HC, and 50HCQ 2-Stage cooling
units, sizes 08 - 30. Units equipped with the EconoMi$er X option are identified by
an indicator in the unit's model number (see the unit's nameplate). Use Table 1 (on
page 2) to identify whether or not a given unit is equipped with the
factory-installed EconoMi$er X.
NOTE: Read the entire instruction manual before starting the installation.

TABLE OF CONTENTS

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SAFETY CONSIDERATIONS

1
Improper
installation,
maintenance, or use can cause explosion, fire, electrical
2
shock or other conditions which may cause personal injury
or property damage. Consult a qualified installer, service
2
agency, or your distributor or branch for information or
3
assistance. The qualified installer or agency must use
3
factory- - authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with
3
the kits or accessories when installing.
3
Follow all safety codes. Wear safety glasses and work
7
gloves. Use quenching cloths for brazing operations and
7
have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions attached to
7
the unit. Consult local building codes and appropriate
7
national electrical codes (in USA, ANSI/NFPA70, National
8
Electrical Code (NEC); in Canada, CSA C22.1) for special
requirements.
8
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It is important to recognize safety information. This is the
safety- - alert symbol
9
unit and in instructions or manuals, be alert to the
potential for personal injury.
10
Understand the signal words DANGER, WARNING,
10
CAUTION, and NOTE. These words are used with the
10
safety- - alert symbol.
10
DANGER identifies the most serious hazards which will result
11
in severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death.
11
11
CAUTION is used to identify unsafe practices, which
may result in minor personal injury or product and
11
property damage.
adjustment,
alteration,
. When you see this symbol on the
service,

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Summary of Contents for Carrier EconoMiSer X

  • Page 1: Table Of Contents

    EconoMi$er X Factory ---Installed Option Low Leak Economizer for 2 Speed SAV (Staged Air Volume) Systems Installation, Setup & Troubleshooting Supplement This document is a supplemental installation instruction for the factory-installed EconoMi$er X (low leak economizer) option. It is to be used with the base unit Installation Instructions for 48/50TC, 50TCQ, 48/50HC, and 50HCQ 2-Stage cooling units, sizes 08 –...
  • Page 2: General

    GENERAL NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. Identifying Factory Option WARNING NOTE: This supplement only applies to units that meet the criteria detailed in Table 1. If the unit does not meet ELECTRICAL SHOCK HAZARD that criteria, discard this document.
  • Page 3: Economi$Er X

    EconoMi$er X Using the Keypad with Menus EconoMi$er X is a low leak economizer system which is To use the keypad when working with menus: available for 2- - stage cooling units equipped with the SAV 2- - speed Variable Frequency Drive (VFD) system. S Press the (Up arrow) button to move to the previous menu.
  • Page 4 IMPORTANT: Table 2 illustrates the complete hierarchy. your menu parameters may be different depending on your configuration. For example if you do not have a DCV (CO ) sensor, then none of the DCV parameters appear. Table 2 – Menu Structure Parameter Parameter Menu...
  • Page 5 Table 2 - - Menu Structure (cont) Parameter Parameter Menu Parameter Default Notes Range and Increment Value SETPOINTS MAT SET 53_F 38 to 65_F; Setpoint determines where the economizer will modulate the OA damper increment by 1 to maintain the mixed air temperature. LOW T LOCK 32_F ---45 to 80_F;...
  • Page 6 Table 2 - - Menu Structure (cont) Parameter Parameter Menu Parameter Default Notes Range and Increment Value SYSTEM FACTORY DEFAULT NO or YES Resets all set points to factory defaults when set to YES. LCD will briefly SETUP flash YES and change to NO but all parameters will change to the (cont) factory default values.
  • Page 7: Checkout Tests

    Checkout Tests Table 3 – Economizer Module - - Left Hand Terminal Blocks Use the Checkout menu (see Table 2 on page 6) to test the damper operation and any configured outputs. Only Label Type Description items that are configured are shown in the Checkout Top Left Terminal Block menu.
  • Page 8: Enthalpy Settings

    ECONOMIXING DUAL ENTHALPY AVAILABLE HIGH LIMIT NOT AVAILABLE SINGLE ENTHALPY P2 (T,RH) (T,RH) TEMPERATURE C12015 Fig. 4 - - Single Enthalpy Curve and Boundaries Table 5 – Single Enthalpy and Dual Enthalpy High Limit Curves Point P1 Point P2 Enthalpy Temp.
  • Page 9: Install Outside Air Hood - Factory Option

    Table 7 – Enthalpy Control Sensor DIP Switch Settings 51/64 (21) DIP Switch Positions for Switches 1, 2, & 3 4-1/4 (108) 2-3/4 (70) DA = Discharge Air b RA = Return Air OA = Outside Air 2-1/64 (55) Install Outside Air Hood — Factory Option The outside air hood for factory- - option economizer is shipped in knock- - down form and requires field assembly.
  • Page 10: Operation

    OPERATION operation with economizer operation below 42_F outside air temperature. Cooling, Unit With EconoMi$er X When space temperature demand is satisfied (thermostat Y1 opens), the dampers will return to Minimum Damper For Occupied mode operation of EconoMi$er X, there position if indoor fan is running or fully closed if fan is off. must be a 24-v signal at terminals R and OCC (provided through PL6-3 from the unit’s IFC coil).
  • Page 11: Troubleshooting

    TROUBLESHOOTING You can also navigate to the Alarms menus at any time. See Table 2 on page 6 for the Alarms menu. Power Loss (Outage or Brownout) Clearing Alarms All setpoints and advanced settings are restored after any Once the alarm has been identified and the cause has been power loss or interruption, as all settings are stored in the removed (e.g.
  • Page 12 C11549 Fig. 7 - - Typical Economizer X Wiring Diagram Catalog No: LLECON---01SI Copyright 2012 Carrier Corp. D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 02/12 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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