Sterling QVSB User Manual
Page 2
2
TABLE OF CONTENTS
SPECIFICATIONS
Basic
Description
.................................................... 2
Performance & Specifi cation Data .......................... 4
GENERAL SAFETY INFORMATION
Installation Codes (throughout manual) .............. 2, 3
Special Precautions ............................................ 2, 3
INSTALLATION
Locating Units ..................................................... 5, 6
Proper Clearances .............................................. 5, 6
Suspension of Units ............................................ 5, 6
Gas Supply Piping .............................................. 7, 8
Pipe Installation ..................................................... 8
ELECTRICAL CONNECTIONS ...................... 9, 10, 11
The following terms are used throughout this manual, in addition to ETL requirements, to bring attention to the
presence of potential hazards or to important information concerning the product:
See Identifi cation of Parts Section
for unit components.
Front
View
Rear
View
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 hazard-
ous 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 hazards.
INSTALLATION - VENTING
Combustion Air Venting & Piping .............. 12, 13, 14
Exhaust Venting ........................................ 12, 13, 14
Blower Set Up ...................................................... 15
OPERATION ................................................. 16, 17, 18
Adjustments
.................................................... 16,
18
MAINTENANCE
Servicing & Cleaning ............................................ 19
IDENTIFICATION OF PARTS .............. 4, 17, 20, 25, 26
TROUBLESHOOTING GUIDE ................ 21, 22, 23, 24
Replacement
Parts
............................................... 25
WARRANTY .............................................................. 27
INSPECTION SHEET ................................................ 28
SEPARATED COMBUSTION BLOWER
UNIT NUMBER DESCRIPTION ................................ 29
DESCRIPTION
and discharge nozzles for spot heating. 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 80% 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.
The Separated Combustion Gas Blower Unit Heater is
a factory assembled, power vented, high static pressure
type centrifugal blower unit 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. Blower type unit heaters may be used with
the standard adjustable louvers, or with short duct runs
NOTICE: It is the equipment owner’s responsibility to provide any scaffolding or other apparatus required
to perform emergency service or annual/periodic maintenance to this equipment.
Figure 1 - Power Vented Separated Combustion Blower Unit Heaters