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Installation Manual – THH
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Section 4 - Inspection, Installation & Start-up Checklist
RECEIVING & INSPECTION
ʋ
Unit Received Undamaged
ʋ
Unit Arrangement/Hand Correct
ʋ
Unit Arrangement Correct
ʋ
Unit Structural Support Complete & Correct
HANDLING & INSTALLATION
ʋ
Unit Mounted Level & Square
ʋ
Proper Access Provided for Unit and Accessories
ʋ
Proper Electrical Service Provided
ʋ
Proper Overcurrent Protection Provided
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Proper Service/Switch Disconnect Provided
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Proper Chilled Water Line Size to Unit
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Proper Hot Water Line to Unit
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All services to Unit in Code Compliance
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All Shipping Screws & Braces Removed
COOLING/HEATING CONNECTIONS
ʋ
Protect Protect Valve Package Components from Heat
ʋ
Mount Valve Packages
ʋ
Connect Field Piping to Unit
ʋ
Pressure Test All Piping for Leaks
ʋ
Install Drain Line & Traps as Required
ʋ
Insulate all Piping as Required
DUCT WORK CONNECTIONS
ʋ
Install Duct work, Fittings & Grilles as Required
ʋ
Proper Supply & Return Grille Type & Size Used
ʋ
Control Outside Air for Freeze Protection
ʋ
Insulate All Duct work as Required
ELECTRICAL CONNECTIONS
ʋ
Refer to Unit Wing Diagram
ʋ
Connect Incoming Power Service or Services
ʋ
Electrical Service of Correct Voltage or
Ampacity
to Support Unit Operating Loads
ʋ
All Field Wiring Installed with Code Compliance
ʋ
Check All Wiring for Secure Connections
UNIT STARTUP
ʋ
General Visual Unit & System Inspection
ʋ
Record Electrical Supply Voltage
ʋ
Record Ambient Temperature
ʋ
Close All Unit Isolation Valves
ʋ
Flush Water Systems
ʋ
Fill Systems with Water/Refrigerant
ʋ
Vent Water Systems as Required
ʋ
All Duct work & Grilles in Place
ʋ
All Unit Panels & Filters in Place
ʋ
Start Fans, Etc.
ʋ
Check for Overload Condition of All Units
ʋ
Check All Duct work & Units for Air Leaks
ʋ
Balance Air Systems as Required
ʋ
Record All Final Settings for Future Use
ʋ
Check Piping & Duct work for Vibration
ʋ
Check All Dampers for Proper Operation
ʋ
Verify Proper Cooling Operation
ʋ
Verify Proper Heating Operation
ʋ
Reinstall All Covers & Access Panels
