Sterling Separated Combustion Tubular Gas Fired Unit Heater, Installation Instructions And Parts List

Page: 2 / 28

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
Basic Description .................................................... 2
Performance & Specification Data .......................... 4
GENERAL SAFETY INFORMATION
Installation Codes ................................................ 2, 3
Special Precautions ............................................ 2, 3
INSTALLATION
Locating Units ..................................................... 5, 6
Combustion Air .................................................... 5, 6
Proper Clearances .............................................. 5, 6
Suspension of Units ............................................ 5, 6
Gas Supply Piping ............................................... 7, 8
ELECTRICAL CONNECTIONS ............................. 9, 10
VENTING ........................................... 11, 12, 13, 14, 15
OPERATION
Explanation of Controls and Operation ................. 16
Main Burner Orifice Schedule ............................... 17
Adjustments .......................................................... 17
High Altitude Operation ................................... 17, 18
MAINTENANCE
Servicing & Cleaning ............................................. 18
TROUBLESHOOTING GUIDE ................. 19, 20, 21, 22
IDENTIFICATION OF PARTS .............................. 23, 24
WARRANTY ............................................................... 25
INSPECTION SHEET ................................................ 26
See Identification of Parts throughout this manual.
DESCRIPTION
The Separated Combustion Tubular Gas Fired Unit
Heater is a factory assembled, separated combustion
system, low static pressure type propeller fan unit
heater designed to be suspended within the space to
be heated. THESE HEATERS ARE NOT TO BE
CONNECTED TO DUCTWORK. These unit heaters
are design certified under ANSI Z83.8 for industrial/
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.
commercial use and CSA .10.96 U.S. (2
nd
ed.) for
residential use. The designs are certified by ETL as
providing a minimum of 80% thermal efficiency, 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 - Separated Combustion Tubular 30 thru 75 Unit Heaters