IM 893-10 • ROOFPAK SINGLEZONE UNITS 2 www.DaikinApplied.com
Table of ConTenTs
Table of ConTenTs
Introduction .................................3
Unit Nameplate ............................3
Compressor Nameplate .....................3
Gas Burner Nameplate ......................3
Hazard Identication Information ..............3
Unit Description ............................4
Refrigeration Piping ........................6
Control Locations ..........................7
Control Panel .............................8
Controls, Settings and Functions ..............15
FanTrol .................................16
Condenser Fan Arrangement ................18
Mechanical Installation .......................19
Receiving Inspection .......................19
Unit Clearances ...........................19
Roof Curb Assembly and Installation ..........21
Post and Rail Mounting .....................24
Rigging and Handling.......................24
Charging the System ......................33
Unit Piping ...............................35
Damper Assemblies .......................37
Cabinet Weather Protection .................39
Installing Ductwork ........................39
Electrical Installation .........................42
Field Power Wiring ........................42
Preparing Unit for Operation ..................46
Preparing Unit for Operation .................46
Sequences of Operation ......................49
MicroTech III Controller Operation ..............51
Using the Keypad/Display ...................51
Wiring Diagrams ............................53
Unit Options ................................75
Control Actuators ..........................75
Modulating Hot Gas Reheat .................77
Smoke and Fire Protection ..................80
Field Output Signals .......................82
DesignFlow™ Outdoor Air Damper Option ......86
Propeller Exhaust Fan Option ................89
Ultraviolet Lights Option ....................92
MicroTech III Remote User Interface ..........94
VFD Compressor Operation .................96
Variable Speed Scroll Compressor ...........101
Check, Test, and Start .......................104
Economizer Start-up ......................105
Compressor Startup ......................106
Heating System Startup ...................108
Air Balancing ............................108
Drive Belt Alignments......................109
Final Control Settings .......................113
Keypad/Display Menu Structure ...............114
Maintenance ...............................127
Servicing Control Panel Components .........127
Planned Maintenance .....................127
Unit Storage ............................128
Scroll Compressor Piping ..................134
Refrigerant Charge .......................136
Control Panel Components .................139
Replacement Parts List ......................144
Service and Warranty Procedure ..............145
Limited Product Warranty ....................147
Rooftop Equipment Warranty Registration Form . 148
Quality Assurance Survey Report .............151