INDEX
A
Abnormal Heat Cycle Functions 35
B
Burner Maintenance 40, 42
Burner Orifice
42
Burner Removal Instructions 40
C
California Warning Label 4
Check Installation After Startup 39
Check the Installation Prior to Startup 37
Clearance 18
Clearances 6
Combustion Air Inlet 14
Combustion Air Inlet Pipe 13
Combustion Air Pipe Support 17
Combustion Air Pressure Switch 45
Combustion Air Proving (Pressure Switch)
32
Concentric Adapter Box Connections
19
Concentric Adapter Box Dimensions
18, 19
Condensate Drain 28
Condensate Drain System 46
Condensate Drain Traps 28
Continuous Fan Operation 36
Location of Controls 43
Control Wiring 30
Conversion Instructions 13
Converting to Propane 13
D
Derate by Valve Outlet Pressure 11
Dimensions 7
Disconnect Switch 46
Door Switch 33, 46
Downturn Nozzle 7
DSI Integrated Control Module 34, 43, 47
E
Electrical Supply 30
F
Fan/Blower OFF Delay Settings 34
Fan Blades 44
Fan Motor 44
Fault Modes 36
Flame Sensor 44
G
Gas Connections 10
Gas Supply 9
Gas Valve 32, 38, 45
H
Hanging the Heater 8
HAZARD INTENSITY LEVELS 2
Hazards of Chlorine 6
Normal Heat Cycle Operating Sequence 34
Heat Exchanger Maintenance
40
High Altitude 8
High Altitude Capacity 12
High Altitude Derate 11
Horizontal Vent/Combustion Air Kit Option
CC6 20
Horizontal Vent/Combustion Air Terminal
(Option CC6)
23
I
Ignition System 34, 42, 44
Ignitor 43
Installation Codes 4
J
Joints 16
L
LED Codes 47
Length 16
Limit Control 33, 45
Heater Location 4
Lockout 36
M
Maintenance Schedule 40
Massachusetts Requirement 4
Motor Overload Protection 33
O
Operating Instructions 38
Operating Principle 50
Operating Sequence 38
Option CL31 32
Option CL32 32
P
Pipe Diameter 16
Pressure Setting 10
Pressure Switch Identification
33
S
Special Installations 4
Startup 38
Swivel Connectors 8
T
Terminal Strip 30
Thermostat 32
Heater Throw 4
Transformer 46
Troubleshooting 47
Type of Pipe 14
U
Uncrating 6
V
Valve Outlet Pressure 11
Valve Outlet Pressure Settings by
Elevation 11
Vent/Combustion Air System 46
Venter Motor 44
Venter Outlet 14
Vent Pipe 13
Vent Pipe Support 17
Vent Temperature Limiting Switch 33
Vent Temperature Limit Switch 46
Vertical Vent/Combustion Air Kit Option
CC2 24
Vertical Vent/Combustion Air Terminal
(Option CC2)
27
W
Warranty 3
Wiring Diagram 31
Form I-UEAS, P/N 221232 R6, Page 51