Table of Contents
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Table of Contents
Related Manuals for MicroMetl ECD-SRT12CB-D2DH
Summarization of Contents
Safety Considerations
General Safety Precautions
General safety advice and precautions for installation.
Safety Signal Words
Explains DANGER, WARNING, CAUTION, and NOTE signal words.
Electrical Shock Hazard
Warning about potential electrical shock during service.
Sheet Metal Cut Hazard
Caution regarding sharp edges on sheet metal parts.
Duct Opening Protection
Precaution to cover duct openings to prevent objects falling in.
Economizer System Overview
General System Description
Describes the economizer system's technology and features.
System Components
Mentions sensors, actuators, and optional components.
Economizer Usage and Compatibility
Carrier Usage Chart
Lists Carrier models compatible with the economizer.
Bryant Usage Chart
Lists Bryant models compatible with the economizer.
ICP Usage Chart
Lists ICP models compatible with the economizer.
Package Contents
Details the items included in the economizer package.
Economizer Sensor Usage
Describes required sensors for different economizer applications.
Economizer Accessories
Accessories List
Lists field-installed accessories for performance optimization.
Compliance Information
Details compliance with ASHRAE, IECC, and California Title 24.
Economizer Installation Procedure
Power Disconnection
Steps to safely disconnect power before installation.
Panel Removal
Instructions for removing access panels.
Economizer Assembly Installation
Guidance on sliding the economizer assembly into the unit.
Securing the Economizer
How to ensure the economizer is square and screw it in place.
Damper Tape Removal
Removing tape securing relief dampers for shipping.
Wiring and Sensor Connections
Economizer Harness Connection
Connecting the economizer harness to the unit.
Outside Air Sensor Installation
Installing and connecting the OA sensor.
Controller Mounting
Mounting the Jade W7220 controller.
Advanced Wiring and Sensor Setup
ECON Plug Connection
Connecting the ECON plug between controller and UCB.
Sensor Wire Routing
Routing sensor wires to the blower section.
Mixed Air Sensor Installation
Installing the Mixed Air Sensor in the blower section.
Final Assembly and Wiring Details
Pink and Violet Wire Connection
Connecting pink and violet wires from the harness.
Differential Return Sensor Installation
Installing differential return or DCV sensors.
Economizer Hood Assembly
Assembling and installing the economizer hood.
Filter Installation
Installing aluminum filters in the economizer hood.
Controller Programming and Settings
Jade W7220 Controller Programming
Instructions for programming the W7220 controller.
Sensor Dip Switch Settings
Summary of dip switch settings for the sensor.
Economizer Performance Charts
Charts showing barometric relief flow and pressure drop.
Enthalpy Curve Boundaries
Explanation of enthalpy boundaries for free cooling.
Advanced Setpoints and California Title 24
Enthalpy Curve Details
Details of single and dual enthalpy high limit curves.
Differential Return Air Sensor
Information on installing and using the differential return sensor.
California Title 24 High Temperature Limits
Required high limit settings for Title 24 compliance.
Control Functions and Diagnostics
Demand Control Ventilation
How DCV operates with CO2 sensors.
Remote Fault Detection
Setting up remote monitoring for controller faults.
Annunciator Light Wiring
Wiring an annunciator light for fault indication.
Specific Unit Wiring (48/50LC 07-12)
48/50LC 07-12 Wiring Instructions
Special wiring instructions for these units.
Harness Notes
Information on specific harnesses for these units.
Wiring Details for 48/50LC 07-12 Units
Connector Attachment
Connecting harness connectors to the controller.
Compressor Staging Controller (CSC)
Jumper removal on the CSC board.
MAT Sensor Wiring
Connecting the MAT sensor wires for specific models.
CTB Connection
Connecting economizer to the Central Terminal Board (CTB).
Wiring Diagrams
Component Arrangement
Schematic of component layout for wiring reference.
Typical Wiring Diagram (48/50LC 07-12)
Detailed wiring diagram for specific unit types.
Wiring Diagram Supplement (UCB)
Economizer Return Chamber Wiring
Wiring connections in the economizer return chamber.
Indoor Blower Section Wiring
Wiring within the indoor blower section.
Unit Control Box Compartment Wiring
Wiring within the unit control box compartment.
Wiring Diagram Supplement (CTB)
Economizer Return Chamber Wiring (CTB)
Wiring in return chamber for CTB units.
Indoor Blower Section Wiring (CTB)
Wiring in blower section for CTB units.
Unit Control Box Compartment Wiring (CTB)
Wiring in control box for CTB units.
W7220 Controller Interface and Operation
W7220 Controller User Interface
Description of the controller's LCD and keypad.
Keypad Navigation
How to use the keypad buttons for menu navigation.
Using Keypad with Settings
Steps for navigating settings and parameters.
Controller Menu Structure and Configuration
System Setup Parameters
Configuration options for INSTALL, EQUIPMENT, AUX2 IN, FAN TYPE, AUX1 OUT, OCC.
Setpoints Configuration
Setting MAT, Low T Lock, Drybulb, Enthalpy Curve, and Minimum Positions.
Standard Controller Configuration Table
Default and configurable settings for single/2-speed units.
Controller Menu Structure (Detailed)
Economizing and Occupancy Parameters
Parameters for ECONOM AVAIL, ECONOMIZING, OCCUPIED, HEAT PUMP.
Cooling Stage Parameters
Parameters for COOL Y1-IN, COOL Y1-OUT, COOL Y2-IN, COOL Y2-OUT.
Temperature and Humidity Status
Status displays for MA TEMP, DA TEMP, OA TEMP, OA HUM, RA TEMP, RA HUM.
Controller Menu Structure (Advanced)
Exhaust and ERV Parameters
Parameters for EXH2 OUT, ERV, MECH COOL ON, FAN SPEED.
Setpoint Details
Detailed explanation of SETPOINTS like MAT SET, LOW T LOCK, DRYBLB SET, ENTH CURVE.
Ventilation Setpoints
Settings for MIN POS, VENTMAX, VENTMIN for ventilation.
Controller Menu Structure (System Setup & Calibration)
System Setup Options
INSTALL, UNITS DEG, EQUIPMENT, AUX2 I, FAN TYPE, FAN CFM, AUX1 OUT, OCC, FACTORY DEFAULT.
Temperature and CO2 Settings
MA LO SET, FREEZE POS, CO2 ZERO, CO2 SPAN, STG3 DLY, SD DMPR POS, DCVCAL ENA.
Sensor Calibration
Calibration procedures for MAT, OAT, OA H, RA T, RA H, DAT sensors.
Checkout Procedures and Alarms
Checkout Tests Menu
How to perform checkout tests for damper operation and outputs.
Alarm Messages
Explains alarm messages for sensor errors and actuator status.
Economizer Module Wiring Terminals
Left Hand Terminal Blocks
Description of terminals on the left side of the economizer module.
Right Hand Terminal Blocks
Description of terminals on the right side of the economizer module.
Start-Up and Operation
Cooling with Economizer Operation
How the economizer functions during occupied and unoccupied cooling.
Heating with Economizer Operation
How the economizer functions during heating mode.
Damper Position Control
Table detailing damper positions based on input and fan speed.
Troubleshooting Common Issues
Power Loss and Memory
How power loss affects setpoints and module operation.
Alarm Handling
Procedures for navigating and clearing alarms.
Operating Issues and Concerns Table
Table listing common issues and their possible causes/remedies.
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