CONQUEST 90 - User Manual

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CONQUEST

GASUPFLOW

GAS DOWNFLOW

Main Page

Table of Contents3
Page Number4
Introduction5
Furnace Design6
Unit Model Number Explanation7
Unit Serial Number Explanation7
Unit Specifications8
Furnace Components15
Heat Exchanger Sub-System15
Combustion Sub-System15
Induced Draft Blower15
Electrical Controls Sub-System17
Integrated Furnace Control17
Pressure Switch17
Limit Switch18
Air Handling Sub-System19
Cabinet19
Accessories and Optional Equipment19
L.p. Conversion Kits19
Combustible Floor Bases20
Fossil Fuel Kits20
Return Air Cabinets20
Neutralizer Kit21
Condensate Pump Kit21
Horizontal Vent Kits21
Horizontal Concentric Vent Kit21
External Side Filter Racks21
Vertical Concentric Vent Kit21
High Altitude Pressure Switch and Orifice Kit21
J" Series Twinning Kit21
(·)GRJ Upflow Furnace Bottom Kit21
Installation Requirements22
Safety Rules22
Installation Procedures23
Location23
Clearance/Accessibility25
Right Side26
Combustion Air and Vent Terminations29
Joining Pipe and Fittings29
General Information29
Cementing Joints29
NON-DIRECT VENT FURNACE INSTALLATIONS (One Pipe)30
Combustion Air30
Furnace Located in an Unconfined Space31
Installation Guidelines34
Non-Direct Vent Termination Construction35
Horizontal Vent Location Requirements35
DIRECT VENT FURNACE INSTALLATIONS (Two Pipe)36
Combustion Air36
Installation Guidelines37
Combustion Air Pipe Terminations37
Connecting Combustion Air Inlet to the Furnace38
Alternate Horizontal Direct Vent Termination39
Exhaust Vent39
Concentric Horizontal Vent Kit42
Concentric Vertical Vent Kit43
Direct Vent and Combustion Air Pipe Sizing Information44
Vent Termination44
Location Guidelines for Horizontal Direct Vents45
Concentric Venting46
Multi-Venting46
Connecting the Vent to the Furnace47
Condensate Drain/Neutralizer Installation48
Reversing the Trap49
Condensate Drain Installations for Horizontal Applications50
Condensate Line Vent for Horizontal Installations51
Filling the Trap52
Condensate Pump52
Supply and Return Air Ducting53
Supply Air Ducting53
Upflow Unit Return Air54
Gas Supply55
Gas Piping55
Gas Pressure56
Gas Valve56
LP Conversion57
Electrical Wiring57
Tf:iermostat58
Heat Anticipator Settings58
Isolation Relay59
Furnace Start up Procedures59
To Start the Furnace59
Toshutdownthefurnace59
Sequence of Operation59
Setting Gas Pressure60
Air Flow62
Blower Wiring Connections63
Setting the Blower off Timings63
Field Installed Accessory Connections64
High Altitude Kits64
Electrical Checks65
Polarity Check66
Furnace Twinning67
Honeywell Twinning Instructions67
UTEC Twinning Instructions67
Johnson Controls Twinning Instructions67
Twinned Furnace Operation68
Fossil Fuel Kits69
Fossil Fuel Kit (Rxpf - F01)69
Location and Wiring69
Thermostat Operations69
Fossil Fuel Kit (RXPF • F02)70
Maintenance71
Filters71
Lubrication73
Heat Exchanger73
Flame Sensor73
Replacement Parts73
Service and Troubleshooting Introduction74
Test Equipment74
Installation and Service Check List75
Main Power "J" Box76
Blower Door Switch76
Control Descriptions and Troubleshooting77
Integrated Furnace Controls with Hot Surface Ignition77
UTEC 1012-920 and Honeywell S9201 E2001 Controls77
UTEC 1012-925 Controls79
Operation79
Troubleshooting80
Integrated Furnace Controls with Direct Spark Ignition80
UTEC 1028-927 and JCI G961DAJ-2401 Controls80
IFC Ignition Transformer81
Control Reactions82
Main Burner86
Hazardous Voltage87
Line Voltage87
Controls89
Negative Pressure Switches89
Induced Draft Blower Negative Pressure Switch89
Drain Pressure Switch89
High Altitude Pressure Switch89
High Limit Control90
Heat Assisted Limit Control92
Overtemperatureswitch92
Transformer93
Blower Motor94
Induced Draft Blower Assembly94
Gas Valve95
Checking Furnace Input96
Hot Surface Lgniters96
Direct Spark Lgniters97
Remote Flame Sensing Rod98
Reasons for Burner Lockout99
Airflow99
CO and CO2 Levels in the Flue Gases99
Flue Gas Temperature Range100
Wiring Diagrams102
Two Stage Operation106
Service Analyzer Charts115
Review Questions120
Index122
Index of Figures123
Index of Tables125

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CONQUEST 90 Specifications

General

Brand	CONQUEST
Model	90
Category	Furnace
Language	English

CONQUEST 90 - User Manual

Table of Contents

CONQUEST 90 Specifications