Form RZ-NA-I-FT, Mfg No. 173473 Rev 8, Page 1
APPLIES TO:
Installation/Operation/Service
INSTALLATION FORM RZ-NA-I-FT
Obsoletes Form RGM 433 (Version G)
Table of Contents
Installation and Operation ........................................................... Paragraphs 1-20 ........... Pages 1-13
Check Installation and Start-Up ....................................................... Paragraph 21 ......... Pages 14-15
Service/Maintenance/Troubleshooting ...................................... Paragraphs 22-33 ......... Pages 16-20
Index
Page No.
Burner Air Restrictor ........................... 13
Burner Orifices ................................... 17
Burner Removal .................................. 16
Burners ................................................ 13
Check Installation and Start-Up .......... 14
Circuit Board ....................................... 11
Circuit Board LED Codes ............. 11, 19
Clearances .............................................. 3
Combustion Air ..................................... 3
Combustion Air Proving Switch ......... 13
Condensation ......................................... 8
Confined Space ..................................... 3
Dimensions ........................................... 5
Downturn Nozzles (Option Kit) ............. 2
Electrical Supply and Connections ..... 11
Index
Page No.
Fan ...................................................... 17
Fan Motor ........................................... 11
Flame Rollout Switch .......................... 18
Gas Piping and Pressures ...................... 9
Gas Valve ............................................ 13
General .................................................. 1
Hazard Intensity Levels ......................... 1
Heat Exchanger ................................... 17
High Altitude Combustion Air
Pressure Switches .................... 2, 11
High Altitude Operation ........................ 2
Ignition System ............................. 13, 17
Installation Codes ................................. 2
Left Side Controls .................................. 4
Index
Page No.
Limit Control ............................... 18
Location (Heater) ........................... 3
Louvers, Vertical (Option Kit) ....... 2
Maintenance ................................. 16
Service ......................................... 16
Suspending ..................................... 4
Thermostat ................................... 11
Troubleshooting ........................... 19
Uncrating and Preparation ............. 2
Vent System ................................. 18
Venter Motor ................................ 17
Venting ........................................... 6
Warranty ......................................... 2
Wiring Diagrams .......................... 12
FOR YOUR SAFETY
What to do if you smell gas:
• Do not try to light any appliance.
• Do not touch any electrical switch;
do not use any phone in your build-
ing.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas sup-
plier, call your fire department.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause property damage,
injury, or death. Read the installation,
operation, and maintenance instructions
thoroughly before installing or servicing
this equipment.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
HAZARD INTENSITY LEVELS
1. DANGER: Failure to comply will result in severe personal injury or
death and/or property damage.
2. WARNING: Failure to comply could result in severe personal injury or
death and/or property damage.
3. CAUTION: Failure to comply could result in minor personal injury
and/or property damage.
Model FT
Gas-Fired, Power-Vented
Unit Heaters
General
Installation should be done by a qualified agency in
accordance with the instructions in this manual and
in compliance with all codes and requirements of au-
thorities having jurisdiction. The instructions in this
manual apply to the unit heater model shown below.
Models FT 30, 45, and 60 are certified for residential and commercial/industrial installations.
Models FT 75-300 are certified for commercial/industrial installations.
REFERENCE:
Replacement Parts, Form RZ-NA-P-FT/SFT
Gas Conversion Form, RZ-NA-I-FT/SFT-GC
Model
Type
Fuel
Vent
Air Delivery
FT
Indoor, Susp ended
Unit Heater
Gas-Fired
Power
Prop eller Fan
IMPORTANT
: If your heater Model No. has a suffix -LN or -CV,
do not
use the
venting instructions in this manual. Follow the instructions in Form RZ-433-CV/
LN to install a Model FT30-CV, FT45-CV, or FT45-LN heater.
®
