3
Packaged Rooftop Ventilator
Table of Contents
General Safety Information ...................1
Receiving, Handling, Storage .................2
Product Overview
Cooling ....................................2
Heating ....................................2
Airflow Arrangement .........................2
Safety Listing ...............................2
Supplemental Installation, Operation and
Maintenance Manuals .......................2
Models and Capacities .......................2
Subassemblies
Blower ....................................4
Coils ......................................4
Compressors ...............................4
Dampers ...................................4
Optional Barometric Relief Damper ..............4
Electric Heater ..............................4
Filters .....................................4
Indirect Gas-Fired Furnace ....................4
Packaged DX System ........................4
Split DX ...................................4
Vestibule ...................................4
Installation
Typical Unit Weights and Dimensions ............5
Service Clearances ...........................5
Additional Clearances for Packaged DX ..........6
Handling Concerns for Units with Package DX .....6
Lifting .....................................6
Roof Curb Mounting .........................7
Optional Piping Vestibule ......................7
Ductwork Configurations ......................7
Rail Mounting and Layout .....................8
Recommended Electrical and
Gas Supply Entry Locations ..................8
Gas Supply Piping ...........................8
Gas Connections ............................8
Piping Installation
Optional Coil Piping ..........................9
Condensate Drain Trap .......................9
Electrical Information .......................10
Determine the Size of Main Power Lines .......10
Determine the Size of Electric Heater Wiring ....10
Provide the Opening(s) for the Electrical
Connections .............................10
Connect the Power Supplies .................10
Wire the Optional Convenience Outlet .........10
Connect Field-Wired Low Voltage Components . .10
Field-Provided Disconnect ...................10
Control Center Components
Main Control Center .........................11
Optional Indirect Gas-Fired Furnace ............11
Component Operation
Phase Monitor .............................12
Variable Frequency Drive .....................12
Supply Fan VFD Sequence ...................12
Optional Exhaust Fan VFD Sequence ...........12
Factory-Installed Refrigeration System
Components ..............................13
Start-Up – Unit
Model and Serial Number ....................14
Pre-Start-Up Checklist .......................15
Special Tools Required ......................15
Start-Up Procedure .........................15
Voltage Imbalance ..........................15
Start-Up Checklist ..........................16
Start-Up – Components
Fan ......................................17
Supply Fan (Plenum Type) ....................17
Fan Wheel Rotation Direction .................17
Supply/Exhaust Fan .........................17
Vibration ..................................17
Discharge Air Temperature Sensor .............17
Optional Energy Wheel
Start-Up ..................................18
Drive Belt .................................18
Adjust the Air Seals .........................18
Sequence of Operation ......................18
Maintenance ...............................19
Inspection .................................19
Wheel Disassembly .........................19
Cleaning ..................................19
Reassembly ...............................19
Energy Recovery Wheel Belt ..................19
Energy Recovery Wheel Bearings ..............19
Energy Recovery Wheel - Troubleshooting .......20
Troubleshooting
Alarms
DDC Controller ..........................20
Phase Monitor ............................20
Variable Frequency Drive ...................20
Optional FX05 Furnace Controller ............20
Optional Digital Scroll Compressor Controller . . .20
Unit ......................................21
Refrigeration Circuit ......................22-25
Routine Maintenance
Monthly ..................................26
Semiannually ..............................26
Annually ..................................26
Units with Packaged DX, Semiannually ..........26
Maintenance Procedures
Lubrication ................................26
Dampers ..................................26
Gas Furnace ...............................26
Fan Motors ................................27
Fan Wheel and Fasteners ....................27
Internal Filter Maintenance ...................27
Outdoor Air Filters ..........................27
External Filter Maintenance ...................27
Coil Maintenance ...........................27
Maintenance Log ....................Backcover
Our Commitment ....................Backcover
®
To Next Page
Loading...
Need help?
General
