BMC ECON-DB-2 Installation Instructions Manual Download Page 22 | Manualshive

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BMC ECON-DB-2 Installation Instructions Manual Download Page 22

Manual 2100-702D
Page

22 of 29

THERMOSTAT/CONTROL CALLS

FOR 1

ST

STAGE COOLING

OA CONDITIONS

ABOVE DRYBULB

OR ENTHALPY

CURVE SETPOINTS

OA CONDITIONS

BELOW DRYBULB

OR ENTHALPY

CURVE SETPOINT

ECONOMIZER ONLY

OPERATION, MAT

SENSOR ATTEMPTS

TO MAINTAIN

PRESET DISCHARGE

AIR TEMP.

IS ADDITIONAL

COOLING REQ’D?

MECHANICAL

COOLING BEGINS,

ECON. DAMPER

CLOSED OR MIN.

POSITION

CONDITIONED

SPACE LOAD IS

PICKED UP BY

MECHANICAL

COOLING

THERMOSTAT IS

SATISFIED AND

SYSTEM SHUTS

DOWN

CONDITIONED

SPACE LOAD IS

PICKED UP BY

ECONOMIZER

NO

YES

THERMOSTAT IS

SATISFIED AND

SYSTEM SHUTS

DOWN

MECHANICAL

COOLING BEGINS,

ECON DAMPER

REMAINS OPEN

CONDITIONED

SPACE LOAD IS

PICKED UP BY

ECONOMIZER AND

MECHANICAL COOL

THERMOSTAT IS

SATISFIED AND

SYSTEM SHUTS

DOWN

Economizer Operation for Single Stage:

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Summary of Contents for ECON-DB-2

Page 1: ...ions are written to cover field installed economizers but are also includedwithfactory installedeconomizers Forfactory installedeconomizers all portions addressing installation are for reference only...

Page 2: ...th Economizer 14 Figure 13 JADETM Economizer Controller 15 Figure 14 100 Outside Airflow Path 20 Figure 15 Mixed Airflow Path 20 Figure 16 100 Closed Loop Airflow Path 19 Figure 17 CO2 Sensor Default...

Page 3: ...ent Concealed damage not discovered until after loading must be reported to the carrier within 15 days of its receipt Description ECON DB and ECON WD economizers are designed to be used with the wall...

Page 4: ...panel and screws save Ventilation access panel discard Filter access panel discard Filter save Outer and inner control panel doors and screws save 4 Remove and discard the exhaust cover plate save sc...

Page 5: ...ANEL PANEL DISCARDED THIS PANEL IS ACCESS DOOR CIRCUIT BREAKER FILTER ACCESS FILTER BRACKETS INNER CONTROL PANEL DOOR CONDENSER EXHAUST PLATE DISCARD AND SAVE SCREWS MIS 3620 SHOWN FACING DOWN PARTITI...

Page 6: ...RE 3 Filter and Filter Brackets REFERENCE ANGLE 30 30 REFERENCE ANGLE BRACKET LEFT FILTER THERMISTOR BRACKET FILTER RIGHT FILTER LOCATION MOUNTING HOLE LOCATED BEHIND THE C BREAKER OFFSET PLATE FOR TH...

Page 7: ...acket Fill Plate Installation LEFT HAND VENT RIGHT HAND VENT BRACKET LONG FILTER 4 REGULAR SCREWS BRACKET LONG FILTER BRACKET SHORT FILTER 4 REGULAR SCREWS MIS 3814 LEFT HAND UNIT RIGHT HAND UNIT INST...

Page 8: ...ies provided to the other wires in the grommet Ensure the wire harness cannot contact moving parts or copper tubing Replace side grilles Economizer Installation 1 Connect 12 pin male plug into female...

Page 9: ...the shield to aid in mounting the sensor replace after mounting sensor Insert white two pin sensor plug into sensor housing Coil excess orange wires and wire tie to suction discharge line FIGURE 7 Mi...

Page 10: ...immediate start up is not desired continue with the basic installation process by skipping to Step 4 The air hood assembly can be partially disassembled at a later time for start up checkout procedure...

Page 11: ...occupied periods Must be configured for multi stage for Y1 output to be active 1st stage cooling For dehumidification must be configured for No Economizer for YO D to be active for humidity control 4...

Page 12: ...signal for modulating ventilation 3 6 8 2 dehumidification must be configured for No Economizer for YO D to be active for humidity periods Must be configured for multi stage for Y1 output to be active...

Page 13: ...ot add these wires if setting up for modulating control See note 6 7 Jumper needs added 8 For 8403 058 change system type set up Function 1 From 5 2 Heat 1 Cool heat Pump to 6 2 Heat 2 Cool Convention...

Page 14: ...if setting up for modulating control See note 6 7 Jumper needs added 8 For 8403 058 change system type set up Function 1 From 5 2 Heat 1 Cool heat Pump to 6 2 Heat 2 Cool Conventional For 8403 059 No...

Page 15: ...NTS customizable operational parameters 3 SYSTEM SETUP customizable application programming see Revew Customize System Setup 4 ADVANCED SETUP further application and operational options 5 CHECKOUT ins...

Page 16: ...quipment in order to have correct operating sequences for the economizers DO NOT change to CONV A C setting just because the equipment is an air conditioner and not a heat pump 2 ADVANCED SETUP from t...

Page 17: ...S To perform a specific test in the CHECKOUT menu press the SELECT ENTER BUTTON to choose a particular exercise RUN will appear Press the SELECT ENTER BUTTON again to activate this exercise After a sh...

Page 18: ...g for mechanical compressor cooling 24V on Y1 O COOL Y2 IN ON OFF Indicates if 24V signal is being received on terminal Y2 I COOL Y2 OUT ON OFF Displays if controller is actively calling for Stg 2 coo...

Page 19: ...lable enthalpy boundaries are all subject to specific OA temperature OA humidity and OA dew points If all of the OA conditions are below the specific points outlined in each boundary the conditions ar...

Page 20: ...long as the OA conditions do not drop below the preset DRYBULB SET ENTH CURVE settings in the SETPOINTS menu see Figure 15 3rd Stage Cooling if available closes and sends a signal to JADE control whic...

Page 21: ...Manual 2100 702D Page 21 of 29 FIGURE 16 100 Closed Loop Airflow Path CONDENSERAIR AIRFILTER 100 RETURNAIR COOLINGCOIL SUPPLYAIR DAMPERBLADE ELIMINATOR MIST CONDENSERCOIL MIS 3614...

Page 22: ...COOLING REQ D MECHANICAL COOLING BEGINS ECON DAMPER CLOSED OR MIN POSITION CONDITIONED SPACE LOAD IS PICKED UP BY MECHANICAL COOLING THERMOSTAT IS SATISFIED AND SYSTEM SHUTS DOWN CONDITIONED SPACE LO...

Page 23: ...nce Climate fan speed simultaneously If the outdoor conditions are not acceptable the Y2 terminal will energize full load compressor and increase the fan speed to the rated airflow When the temperatur...

Page 24: ...AND MECHANICAL COOL THERMOSTAT CALLS FOR 2ND STAGE COOLING BRINGS IN RATED INDOOR FAN SPEED IS ADDITIONAL COOLING REQ D THERMOSTAT IS SATISFIED AND SYSTEM SHUTS DOWN THERMOSTAT CONTROL CALLS FOR 1ST...

Page 25: ...ER CONFIGURATION MODE USE ARROWS TO SELECT SETTING PUSH MIDDLE BUTTON TO CHANGE CONTROLLER WILL SHOW SET MIS 4025 Settings Recommended Default RON Not Used ROF Not Used DSP C CT UNI US US COL 700 0 CO...

Page 26: ...Manual 2100 702D Page 26 of 29 GRAPH 1 W J18 Ventilation Delivery GRAPH 2 W J24 Ventilation Delivery...

Page 27: ...Manual 2100 702D Page 27 of 29 GRAPH 3 W J30 Ventilation Delivery GRAPH 4 W J36 Ventilation Delivery...

Page 28: ...NPUT 2ND STAGE COOLING OUTPUT MALE RELAY BLACK WHITE PLUG PLUG 7 PLUG 12 PIN PLUG 0 10 VDC CO2 CONTROL INPUT 12 PIN PLUG PLUG MAT MAT OAT OAT S BUS Y2 O Y1 I EXH1 AUX1 O Y1 O C R S BUS Y2 I ACT 24V BL...

Page 29: ...OCC AUX2 I Y2 I ACT 24V BLACK WHITE 12 5 6 3 2 8 9 BLACK 11 3 BLACK ACT ACT IAQ24V IAQ IAQ DAMPER MOTOR 1 2 3 4 7 11 3 FEMALE 12 PIN PLUG 1 7 MALE 12 PIN PLUG NO NC COM MALE 1 2 3 4 5 6 6 5 4 3 2 1 5...

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