INDEX
A
Abnormal Heat Cycle Functions 32
B
Burner Maintenance 37, 38
Burner Orifice 38
Burner Removal Instructions 37
C
California Warning Label 4
Check Installation After Startup 36
Check the Installation Prior to Startup 34
Clearance 17
Clearances 7
Combustion Air Inlet 13
Combustion Air Inlet Pipe 13
Combustion Air Pipe Support 17
Combustion Air Pressure Switch 41
Combustion Air Proving (Pressure Switch)
30
Concentric Adapter Box Connections 18
Concentric Adapter Box Dimensions 17, 18
Condensate Drain 26
Condensate Drain System 42
Condensate Drain Traps 26
Continuous Fan Operation 33
Location of Controls 39
Control Wiring 28
Conversion Instructions 12
Converting to Propane 12
D
Derate by Valve Outlet Pressure 10
Dimensions 6
Disconnect Switch 42
Door Switch 31, 41
Downturn Nozzle 7
DSI Integrated Control Module 31, 39, 43
E
Electrical Supply 28
F
Fan/Blower OFF Delay Settings 31
Fan Blades 40
Fan Motor 40
Fault Modes 33
Flame Sensor 40
G
Gas Connections 9
Gas Supply 8
Gas Valve 30, 35, 41
H
Hanging the Heater 7, 8
HAZARD INTENSITY LEVELS 2
Hazards of Chlorine 5
Normal Heat Cycle Operating Sequence 32
Heat Exchanger Maintenance 37
High Altitude 7
High Altitude Capacity 12
High Altitude Derate 10
Horizontal Vent/Combustion Air Kit Option
CC6 19
Horizontal Vent/Combustion Air Terminal
(Option CC6) 21
I
Ignition System 31, 39, 40
Ignitor 40
Installation Codes 3, 4
J
Joints 15, 16
L
LED Codes 43
Length 15
Limit Control 31, 41
Heater Location 4
Lockout 34
M
Maintenance Schedule 36
Massachusetts Requirement 4
Motor Overload Protection 31
O
Operating Instructions 35
Operating Principle 46
Operating Sequence 35
Option CL31 30
Option CL32 30
P
Type of Pipe 13
Pipe Diameter 15
Pressure Sensing Tap 40
Pressure Setting 10
Pressure Switch Identification 30
S
Special Installations 4
Startup 34
Swivel Connectors 8
T
Terminal Strip 28
Thermostat 30
Heater Throw 4
Transformer 42
Troubleshooting 43
U
Uncrating 5, 6
V
Valve Outlet Pressure 10
Valve Outlet Pressure Settings by
Elevation 11
Vent/Combustion Air System 42
Venter Motor 40
Venter Outlet 13
Vent Pipe 13
Vent Pipe Support 16
Vent Temperature Limiting Switch 31
Vent Temperature Limit Switch 42
Vertical Vent/Combustion Air Kit Option
CC2 23
Vertical Vent/Combustion Air Terminal
(Option CC2) 25
W
Warranty 3
Wiring Diagram 29
Form I-UEAS, P/N 221232 R11, Page 47
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