Sterling RT User Manual
Packaged rooftop arrangements, For heating, cooling and ventilating systems

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RECEIVING INSTRUCTIONS
Inspect shipment immediately when 
received to determine if any damage 
has occurred to the unit during 
shipment. After the unit has been 
uncrated, check for any visible 
damage to the unit. If any damage 
is found, the consignee should sign 
the bill of lading indicating such 
damage and immediately fi le claim for 
damage with the transpor tation 
company.
INSTALLER’S RESPONSIBILITY
Installer Please Note: This equipment has been test fi red and 
inspected. It has been shipped free from defects from our factory. 
However, during shipment and installation, problems such as loose 
wires, leaks or loose fasteners may occur. It is the installer’s 
responsibility to inspect and correct any problems that may 
be found.
IMPORTANT: Look in direction of unit air fl ow to determine 
whether unit is right hand or left hand accessible.
Install, operate and maintain unit in accordance
with manufacturer’s instructions to avoid exposure to fuel 
substances or substances from incomplete combustion which 
can cause death or serious illness. The state of California has 
determined that these substances may cause cancer, birth 
defects, or other reproductive harm. Install and Service this 
product to avoid exposure to airborne particles of glasswool 
fi bers and/or ceramic fi bers known to the State of California to 
cause cancer through inhalation.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury or death. 
This appliance must be installed by a licensed contractor or 
qualifi ed service personnel. Read these installation, operating 
and maintenance instructions thoroughly before installing or 
servicing this equipment. 
FOR YOUR SAFETY
The use or storage of 
gasoline or other fl ammable 
vapors or liquids in open 
containers in the vicinity of 
this appliance is hazardous. 
FOR YOUR SAFETY
If you smell gas: 
1. Don’t touch electrical switches.
2. Extinguish any open fl ames. 
3. Immediately call your 
gas supplier.
Model No.______________________________________________ Serial No. ________________________
INSTALLATION AND SERVICE MANUAL
PACKAGED ROOFTOP ARRANGEMENTS
FOR HEATING, COOLING AND VENTILATING SYSTEMS
ATTENTION: READ THIS MANUAL, RISM MANUAL, FACTORY INSTALLED OPTIONS MANUAL, UNIT SUBMITTAL DATA SHEETS 
AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE 
UNITS! CHECK UNIT DATA PLATES FOR TYPE OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE 
AGREE WITH THOSE AT THE POINT OF INSTALLATION. RECORD THE UNIT MODEL NUMBER AND SERIAL NO.(S) IN THE SPACE 
PROVIDED. RETAIN THIS DOCUMENT FOR FUTURE REFERENCE.
RBM-8
J30-05381
260 NORTH ELM ST., WESTFIELD, MA 01085
TEL: (413) 568-9571 FAX: (413) 562-8437
www.mestek.com
