Related Manuals for KRUEGER QFC
Summarization of Contents
SAFETY NOTE
PRE-INSTALLATION
General unit information and available control options.
STORAGE AND HANDLING
Guidelines for proper storage and handling of units.
UNIT INSPECTION AND PREPARATION
SERVICE ACCESS, CODES, AND SUSPENSION
Clearance, codes, and suspension methods.
WARRANTY AND CONTROL OPTIONS
Product warranty and available control packages.
CONTROL SYSTEMS OVERVIEW
ANALOG AND PNEUMATIC CONTROLS
Details on analog and pneumatic control systems.
NO CONTROL UNITS
Options for units without factory-installed controls.
INSTALLATION STEPS
STEP 1 - INSTALL FAN - POWERED BOX
The first step in installing the fan-powered box.
POSITION UNIT
Guidance on properly positioning the unit during installation.
INSTALLATION EXECUTION
STEP 2 - MAKE DUCT CONNECTIONS
Procedures for connecting ductwork to the unit.
STEP 3 - POWER WIRING
Guidelines for electrical power wiring of the unit.
SYSTEM SETUP AND CALIBRATION
GENERAL PROCEDURES AND SET POINTS
General setup and setting airflow set points.
AIRFLOW SET POINT ADJUSTMENT
Field adjustment of airflow set points.
SENSOR CALIBRATION AND START-UP
INLET AIRFLOW SENSOR CALIBRATION
Calibrating the inlet airflow sensor for accuracy.
INITIAL START-UP PROCEDURES
Essential steps for proper unit start-up.
BALANCING FAN TERMINALS
SERIES FLOW BALANCING
Balancing procedures for series flow terminals.
SETTING FAN AIRFLOW
Steps for setting the fan airflow rate.
BALANCING PARALLEL FLOW UNITS
FAN AND VAV AIRFLOW SETTINGS
Setting fan and VAV airflow for parallel units.
SPEED CONTROLLER OPERATION
ADJUSTING FAN SPEED (RPM)
How to increase or decrease fan speed using the controller.
ECM MOTOR AIRFLOW CONTROL
MANUAL AND REMOTE SPEED CONTROL
Controlling ECM motor speed manually or remotely.
PNEUMATIC CONTROLS
SINGLE AND MULTI-FUNCTION CONTROLLERS
Balancing procedures for pneumatic controllers.
OPERATION SEQUENCES
How control sequences operate under different demands.
ANALOG CONTROLS
INSTALLATION, BALANCING, AND THERMOSTAT SETUP
Installing, balancing controls, and setting up thermostats.
ANALOG CONTROL TROUBLESHOOTING
CONTROLLER, WIRING, AND SENSOR ISSUES
Diagnosing controller, wiring, and sensor problems.
WATER VALVE INSTALLATION AND FAN MOTOR
WATER VALVE INSTALLATION
Instructions for installing field-supplied water valves.
FAN MOTOR AND WHEEL ACCESS
Accessing and checking the fan motor and wheel.
FAN MOTOR TROUBLESHOOTING
MOTOR OPERATION ISSUES
Diagnosing motor not running, noisy, or requiring repair.
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