509 01 3522 00 03/2015
Specifications are subject to change without notice.
INSTALLATION INSTRUCTIONS
R--410A Single--Package Rooftop Gas Heating /
Electric Cooling
RGS036--072
NOTE: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS 2....................
Rated Indoor Airflow (cfm) 3.....................
INSTALLATION 6...............................
Jobsite Survey 6................................
Step 1 -- Plan for Unit Location 6..................
Roof Mount 7...............................
Step 2 -- Plan for Sequence of Unit Installation 7......
Curb--Mount Installation 7.....................
Pad--Mount Installation 7......................
Frame--Mount Installation 7....................
Step 3 -- Inspect Unit 7...........................
Step 4 -- Provide Unit Support 8...................
Roof Curb Mount 8..........................
Slab Mount (Horizontal Units Only) 8...........
Alternate Unit Support
(In Lieu of Curb or Slab Mount) 8..............
Step 5 -- Field Fabricate Ductwork 10...............
Step 6 -- Rig and Place Unit 10....................
Positioning on Curb 11.......................
Step 7 -- Convert to Horizontal & Connect Ductwork 11.
Step 8 -- Install Outside Air Hood 11...............
Economizer and Two Position Damper Hood
Package Removal and Setup — Factory Option 11.
Economizer Hood and Two--Position Hood 12.....
Step 9 -- Install Flue Hood 12.....................
Step 10 -- Install Gas Piping 12....................
Factory--Option Thru--Base Connections
(Gas Connections) 13.........................
Step 11 -- Install External Condensate Trap and Line 15..
Step 12 -- Make Electrical Connections 16...........
Field Power Supply 16........................
Units with Factory--Installed
Non--Fused Disconnect 16.....................
Units without Factory--Installed
Non--Fused Disconnect 17.....................
All Units 17................................
Convenience Outlets 18.......................
Factory--Option Thru--Base Connections
(Electrical Connections) 18....................
Units without Thru--Base Connections 18.........
Field Control Wiring 19.......................
Thermostat 19...............................
Unit without Thru--Base Connection Kit 19.......
Heat Anticipator Settings 19...................
EconoMi$er X (Factory--Installed Option) 19.......
Hot Gas Re--Heat Control Connections 20..........
Hot Gas Re--Heat -- Space RH Controller 20......
Smoke Detectors 22...........................
Step 13 -- Adjust Factory--Installed Options 25........
Step 14 -- Install Accessories 25...................
START--UP CHECKLIST 27.......................
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