Sterling VS - Manual (Page 2)

2
TABLE OF CONTENTS
GENERAL SAFETY INFORMATION .......................... 3
SPECIFICATIONS
Dimensional Data .................................................. 4
Mounting Specifi cations ................3, 4, 7, 15-18, 27
Steam Performance Data ................................... 5, 6
Steam Calculations & Correction Factors ............... 7
Hot Water Performance Data ............................8-11
Hot Water Calculations & Correction Factors ...... 12
Technical Data ..................................................... 13
Motor Data ........................................................... 14
INSTALLATION
Locating
Units ..................................................15-18
Piping .................................................................... 19
The following terms are used throughout this manual, in addition to ETL requirements, to bring attention to the pres-
ence of potential hazards or to important information concerning the product:
Vertical hydronic unit heaters are designed for installation
requiring down fl ow air delivery, offered in 15 sizes ranging
from 41,300 to 705,000 BTU/Hr., and use with steam or hot
water. Low output (increased airfl ow) units are available for
Figure 1
Indicates an imminently hazardous
situation which, if not avoided, will result in death,
serious injury or substantial property damage.
Indicates an imminently hazardous
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 hazards.
ELECTRICAL CONNECTIONS ................................ 20
Operation
............................................................. 20
Thermostat Wiring and Location .......................... 20
Motors .................................................................. 20
WIRING INSTALLATION .................................... 21, 22
OPTIONS ................................................................. 23
MAINTENANCE ....................................................... 24
TROUBLESHOOTING GUIDE .................................. 25
INSPECTION SHEET ................................................ 25
WARRANTY .............................................................. 26
OSHA FAN GUARD/LOUVER CONE DIFFUSER
INSTALLATION ......................................................... 27
NOTICE: It is the owner’s responsibility to provide any scaffolding or other apparatus required to perform
emergency service or annual/periodic maintenance to this equipment.
Figure 2
high ceiling applications.The designs are certifi ed by ETL.
Do not alter these units in any way and do not attach
any ductwork to these units. If you have any questions
after reading this manual, contact the manufacturer.
DESCRIPTION