2
TABLE OF CONTENTS
The following terms are used throughout this manual, in addition to the ETL requirements to bring attention to the
presence of potential hazards, or to important information concerning the product:
Indicates an imminently hazardous
situation which, if not avoided, will result in
death, serious injury, or substantial property
damage.
Indicates an imminently hazard-
ous situation which, if not avoided, could result
in death, serious injury, or substantial property
damage.
Indicates an imminently hazardous
situation which, if not avoided, may result in minor
injury or property damage.
NOTICE: Used to notify of special instructions on
installation, operation, or maintenance which are
important to equipment but not related to personal
injury.
SPECIFICATIONS
Description………………………………………. ........... 2
Performance & Dimensional Data……. ...................... 4
GENERAL SAFETY INFORMATION
Installation Codes……………………………. ............ 2,3
Special Precautions…………………………. ............ 2,3
INSTALLATION
Locating Units………………………………. ................. 5
Combustion Air……………………………….. .............. 5
Heat Throw Data…………………………….. ............... 6
Clearances………………………………………. ........... 7
Suspension of Units………………………… ................ 7
Gas Piping……………………………………….. .......... 8
Pipe Installation……………………………… ............... 9
BLOWER SET UP AND ADJUSTMENT… ................. 10
MOTOR AND PULLEY………………………. .............. 11
ELECTRICAL CONNECTIONS……………. ..........12-16
VENTING………………………………………… .....17-22
OPERATION
Explanation of Controls…………………… ................ 23
Gas Input Rate…………………………………. .......... 24
Main Burner Orifi ce Schedule…………. ................... 25
TROUBLESHOOTING GUIDES………….. ............26-30
MAINTENANCE ......................................................... 31
WARRANTY ............................................................... 32
IDENTIFICATION OF PARTS ................................ 33,34
UNIT NUMBER DESCRIPTION ................................. 35
START-UP INSPECTION SHEET…………. .Back Cover
NOTICE: It is the equipment owners responsibility to provide any scaffolding or other apparatus required to
perform emergency service or annual/periodic maintenance to this equipment.
DESCRIPTION
The Separated Combustion Gas-Fired Blower Unit
Heaters are factory assembled, high static pressure
type, centrifugal blower units designed for heavy duty
applications such as continuous operation or where a
single unit heater must do the entire heating job in a
large area.These blower type unit heaters may be used
with the standard adjustable louvers, with short duct runs
or discharge nozzles for spot heating. These blower type
unit heaters may be used where low sound levels are
required. The designs are certifi ed by ETL as providing
a minimum of
83%
thermal effi ciency, and approved for
use in California.
Do not alter these units in any way.
If you have any questions after reading this manual,
contact the manufacturer.
Figure 1 - Tubular Blower Unit Heater
See Identifi cation of Parts, Figures 9-16.
