TABLEOF CONTENTS
Page Number
INTRODUCTION...................................................................................................................4
FURNACE DESIGN........................................................................................................ •5
UNIT MODEL NUMBER EXPLANATION.......................................................................6
UNIT SERIAL NUMBER EXPLANATION.......................................................................6
UNIT SPECIFICATIONS.................................................................................................7
FURNACE COMPONENTS
Heat Exchanger Sub-System....................................................................................14
Combustion Sub-System ...........................................................................................14
Electrical Controls Sub-System.................................................................................16
Air Handling Sub-System...........................................................................................18
Cabinet.......................................................................................................................18
ACCESSORIES AND OPTIONAL EQUIPMENT
LP. Conversion Kits ............................................................................................... ....18
Combustible Floor Bases ......................................................................................... 19..
Fossil Fuel Kits .......................................................................................................... . 19
Return Air Cabinets ................................................................................................ ....
19
Neutralizer Kit ........................................................................................................ .....
20
Condensate Pump Kit ..............................................................................................
20
..
Horizontal Vent Kits ................................................................................................... .
20
Horizontal Concentric Vent Kit ................................................................................ ...
20
External Side Filter Racks ....................................................................................... ...
20
Vertical Concentric Vent Kit .....................................................................................
20
..
High Altitude Pressure Switch and Orifice Kit... .......................................................
20
..
"J" Series Twinning Kit .............................................................................................
20
..
(·)GRJ Upflow Furnace Bottom Kit ..........................................................................
20
..
INSTALLATION REQUIREMENTS
SAFETY RULES ......................................................................................................... .....
21
INSTALLATION PROCEDURES ................................................................................. ...
22
LOCATION................................................................................................................ ......
22
CLEARANCE/ACCESSIBILITY................................................................................... ...
24
COMBUSTION AIR
ANDVENT TERMINATIONS
GENERAL INFORMATION ......................................................................................
28
.
Joining Pipe and Fittings ........................................................................................ ....
28
Cementing Joints ................................................................................................... ....
28
NON-DIRECT VENT FURNACE INSTALLATIONS (One Pipe) ...............................
29
Combustion Air. ..................................................................................................... .....29
•
Furnace Located in an Unconfined Space .............................................................. 30..
Furnace Located in a Confined Space ....................................................................
30
..
Non-Direct Vent Pipe Sizing Information ..................................................................
32
.
Installation Guidelines ............................................................................................ ....
33
Non-Direct Vent Termination Construction .............................................................. ..
34
Horizontal Vent Location Requirements .................................................................. ..34
DIRECT VENT FURNACE INSTALLATIONS (Two Pipe) ........................................
35
Combustion Air ....................................................................................................... ....
35
Installation Guidelines ............................................................................................ ....
36
Combustion Air Pipe Terminations ......................................................................... ...
36
Connecting Combustion Air Inlet to the Furnace ...................................................... .37
Venting Exhaust Pipe Terminations ........................................................................
38
..
Alternate Horizontal Direct Vent Termination ..........................................................
38
..
Concentric Horizontal Vent Kit .................................................................................. 41.
Concentric Vertical Vent Kit .................................................................................... ...42
Direct Vent and Combustion Air Pipe Sizing Information ..........................................
43
Location Guidelines for Horizontal Direct Vents ......................................................
44
..
Multi-Venting ............................................................................................................ .. 45
Connecting the Vent to the Furnace ........................................................................
46
..
CONDENSATE DRAIN/NEUTRALIZER INSTALLATION .............................................
47
Reversing the Trap ................................................................................................. ....48
Condensate Drain Installations for Horizontal Applications ......................................
49
Condensate Line Vent for Horizontal Installations ................................................... .
50
Filling the Trap ....................................................................................................... .....
51
Condensate Pump .................................................................................................
....51
SUPPLY AND RETURN AIR DUCTING
Supply Air Ducting ....................................................................................................
52
..
Return Air Ducting ..................................................................................................... .
52
Upflow Unit Return Air ............................................................................................ ....
53
GAS SUPPLY
Gas Piping ............................................................................................................. .....
54
Gas Pressure ........................................................................................................ .....
55
Gas Valve ............................................................................................................. ......
55
•
LP Conversion ....................................................................................................... .....56
ELECTRICAL WIRING ............................................................................................... .....
56
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