CONQUEST 90 Manuals

Manuals and User Guides for CONQUEST 90. We have 1 CONQUEST 90 manual available for free PDF download: Service Manual

CONQUEST 90 Service Manual (126 pages)

GA SUPFLOW, GAS DOWNFLOW

Brand: CONQUEST | Category: Furnace | Size: 21 MB

Table of Contents
3
Page Number
4
Introduction
5
Furnace Design
6
Unit Model Number Explanation
7
Unit Serial Number Explanation
7
Unit Specifications
8
Furnace Components
15
Heat Exchanger Sub-System
15
Combustion Sub-System
15
Induced Draft Blower
15
Electrical Controls Sub-System
17
Integrated Furnace Control
17
Pressure Switch
17
Limit Switch
18
Air Handling Sub-System
19
Cabinet
19
Accessories and Optional Equipment
19
L.p. Conversion Kits
19
Combustible Floor Bases
20
Fossil Fuel Kits
20
Return Air Cabinets
20
Neutralizer Kit
21
Condensate Pump Kit
21
Horizontal Vent Kits
21
Horizontal Concentric Vent Kit
21
External Side Filter Racks
21
Vertical Concentric Vent Kit
21
High Altitude Pressure Switch and Orifice Kit
21
J" Series Twinning Kit
21
(·)GRJ Upflow Furnace Bottom Kit
21
Installation Requirements
22
Safety Rules
22
Installation Procedures
23
Location
23
Clearance/Accessibility
25
Right Side
26
Combustion Air and Vent Terminations
29
Joining Pipe and Fittings
29
General Information
29
Cementing Joints
29
NON-DIRECT VENT FURNACE INSTALLATIONS (One Pipe)
30
Combustion Air
30
Furnace Located in an Unconfined Space
31
Installation Guidelines
34
Non-Direct Vent Termination Construction
35
Horizontal Vent Location Requirements
35
DIRECT VENT FURNACE INSTALLATIONS (Two Pipe)
36
Combustion Air
36
Installation Guidelines
37
Combustion Air Pipe Terminations
37
Connecting Combustion Air Inlet to the Furnace
38
Alternate Horizontal Direct Vent Termination
39
Exhaust Vent
39
Concentric Horizontal Vent Kit
42
Concentric Vertical Vent Kit
43
Direct Vent and Combustion Air Pipe Sizing Information
44
Vent Termination
44
Location Guidelines for Horizontal Direct Vents
45
Concentric Venting
46
Multi-Venting
46
Connecting the Vent to the Furnace
47
Condensate Drain/Neutralizer Installation
48
Reversing the Trap
49
Condensate Drain Installations for Horizontal Applications
50
Condensate Line Vent for Horizontal Installations
51
Filling the Trap
52
Condensate Pump
52
Supply and Return Air Ducting
53
Supply Air Ducting
53
Upflow Unit Return Air
54
Gas Supply
55
Gas Piping
55
Gas Pressure
56
Gas Valve
56
LP Conversion
57
Electrical Wiring
57
Tf:iermostat
58
Heat Anticipator Settings
58
Isolation Relay
59
Furnace Start up Procedures
59
To Start the Furnace
59
Toshutdownthefurnace
59
Sequence of Operation
59
Setting Gas Pressure
60
Air Flow
62
Blower Wiring Connections
63
Setting the Blower off Timings
63
Field Installed Accessory Connections
64
High Altitude Kits
64
Electrical Checks
65
Polarity Check
66
Furnace Twinning
67
Honeywell Twinning Instructions
67
UTEC Twinning Instructions
67
Johnson Controls Twinning Instructions
67
Twinned Furnace Operation
68
Fossil Fuel Kits
69
Fossil Fuel Kit (Rxpf - F01)
69
Location and Wiring
69
Thermostat Operations
69
Fossil Fuel Kit (RXPF • F02)
70
Maintenance
71
Filters
71
Lubrication
73
Heat Exchanger
73
Flame Sensor
73
Replacement Parts
73
Service and Troubleshooting Introduction
74
Test Equipment
74
Installation and Service Check List
75
Main Power "J" Box
76
Blower Door Switch
76
Control Descriptions and Troubleshooting
77
Integrated Furnace Controls with Hot Surface Ignition
77
UTEC 1012-920 and Honeywell S9201 E2001 Controls
77
UTEC 1012-925 Controls
79
Operation
79
Troubleshooting
80
Integrated Furnace Controls with Direct Spark Ignition
80
UTEC 1028-927 and JCI G961DAJ-2401 Controls
80
IFC Ignition Transformer
81
Control Reactions
82
Main Burner
86
Hazardous Voltage
87
Line Voltage
87
Controls
89
Negative Pressure Switches
89
Induced Draft Blower Negative Pressure Switch
89
Drain Pressure Switch
89
High Altitude Pressure Switch
89
High Limit Control
90
Heat Assisted Limit Control
92
Overtemperatureswitch
92
Transformer
93
Blower Motor
94
Induced Draft Blower Assembly
94
Gas Valve
95
Checking Furnace Input
96
Hot Surface Lgniters
96
Direct Spark Lgniters
97
Remote Flame Sensing Rod
98
Reasons for Burner Lockout
99
Airflow
99
CO and CO2 Levels in the Flue Gases
99
Flue Gas Temperature Range
100
Wiring Diagrams
102
Two Stage Operation
106
Service Analyzer Charts
115
Review Questions
120
Index
122
Index of Figures
123
Index of Tables
125

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