Sterling GG-120 User Manual
3
GENERAL SAFETY INFORMATION
Failure to comply with the general
safety information may result in extensive
property damage, severe personal injury, or
death.
property damage, severe personal injury, or
death.
This product must be installed by
a licensed plumber or gas fi tter when installed
within the Commonwealth of Massachusetts.
within the Commonwealth of Massachusetts.
Installation must be made in accordance with
local codes, or in absence of local codes, with
the latest edition of ANSI Standard Z223.1 (N.F.P.A.
No. 54) National Fuel Gas Code. All of the ANSI
and NFPA Standards referred to in these installation
instructions are those that were applicable at the
time the design of this appliance was certified.The
ANSI Standards are available from CSA Information
Services 1-800-463-6727. The NFPA Standards are
available from the National Fire Protection Association,
Batterymarch Park, Quincy, MA 02269.
local codes, or in absence of local codes, with
the latest edition of ANSI Standard Z223.1 (N.F.P.A.
No. 54) National Fuel Gas Code. All of the ANSI
and NFPA Standards referred to in these installation
instructions are those that were applicable at the
time the design of this appliance was certified.The
ANSI Standards are available from CSA Information
Services 1-800-463-6727. The NFPA Standards are
available from the National Fire Protection Association,
Batterymarch Park, Quincy, MA 02269.
If installed in Canada, the installation must conform with
local building codes, or in the absence of local building
codes, with CGA-B149.1 "Installation Codes for Natural
Gas Burning Appliances and Equipment" or CGA-B149.2
"Installation Codes for Propane Gas Burning Appliances
and Equipment." These unit heaters have been designed
and certifi ed to comply with CGA 2.6.
local building codes, or in the absence of local building
codes, with CGA-B149.1 "Installation Codes for Natural
Gas Burning Appliances and Equipment" or CGA-B149.2
"Installation Codes for Propane Gas Burning Appliances
and Equipment." These unit heaters have been designed
and certifi ed to comply with CGA 2.6.
Do not alter the unit heater in any
way or damage to the unit and/or severe personal
injury or death may occur!
injury or death may occur!
Disconnect all power and gas
supplies before installing or servicing the heater.
If the power disconnect is out of sight, lock it in
the open position and tag it to prevent unexpected
application of power. Failure to do so could result
in fatal electric shock, or severe personal injury.
If the power disconnect is out of sight, lock it in
the open position and tag it to prevent unexpected
application of power. Failure to do so could result
in fatal electric shock, or severe personal injury.
Ensure that all power sources conform
to the requirements of the unit heater, or damage to
the unit will result!
the unit will result!
Follow installation instructions CAREFULLY to avoid
creating unsafe conditions. All wiring should be done
and checked by a qualified electrician, using copper
wire only. All gas connections should be made and leak-
tested by a suitably qualifi ed individual, per instructions
in this manual. Also follow procedures listed on "Gas
Equipment Start-Up Sheet" located in this manual.
creating unsafe conditions. All wiring should be done
and checked by a qualified electrician, using copper
wire only. All gas connections should be made and leak-
tested by a suitably qualifi ed individual, per instructions
in this manual. Also follow procedures listed on "Gas
Equipment Start-Up Sheet" located in this manual.
Use only the fuel for which the heater is designed (see
rating plate). Using LP gas in a heater that requires
natural gas, or vice versa, will create risk of gas leaks,
carbon monoxide poisoning, and explosion.
rating plate). Using LP gas in a heater that requires
natural gas, or vice versa, will create risk of gas leaks,
carbon monoxide poisoning, and explosion.
Conversion to a fuel other than
that listed on the rating plate is permitted only
with a factory supplied, ETL approved conversion
kit.
with a factory supplied, ETL approved conversion
kit.
Make certain that the power source conforms to the
electrical requirements of the heater.
electrical requirements of the heater.
Do not depend upon a thermostat
or other switch as sole means of disconnecting
power when installing or servicing heater. Always
disconnect power at main circuit breaker as
described above. Failure to do so could result in
fatal electric shock.
power when installing or servicing heater. Always
disconnect power at main circuit breaker as
described above. Failure to do so could result in
fatal electric shock.
Special attention must be given to any grounding
information pertaining to this heater. To prevent the risk
of electrocution, the heater must be securely and
adequately grounded. This should be accomplished by
connecting a ground conductor between the service panel
and the heater. To ensure a proper ground, the grounding
means must be tested by a qualifi ed electrician.
information pertaining to this heater. To prevent the risk
of electrocution, the heater must be securely and
adequately grounded. This should be accomplished by
connecting a ground conductor between the service panel
and the heater. To ensure a proper ground, the grounding
means must be tested by a qualifi ed electrician.
Do not insert fingers or foreign objects into heater or
its air moving device. Do not block or tamper with the
heater in any manner while in operation, or just after it
has been turned off, as some parts maybe hot enough
to cause injury.
its air moving device. Do not block or tamper with the
heater in any manner while in operation, or just after it
has been turned off, as some parts maybe hot enough
to cause injury.
This heater is intended for general heating applications
ONLY. It must NOT be used in potentially dangerous
locations such as fl ammable, explosive, chemical-laden,
or wet atmospheres.
ONLY. It must NOT be used in potentially dangerous
locations such as fl ammable, explosive, chemical-laden,
or wet atmospheres.
Do not attach ductwork to this product or use it as a
makeup air heater. Such usage voids the warranty and
will create unsafe operation.
makeup air heater. Such usage voids the warranty and
will create unsafe operation.
In cases in which property damage may result from
malfunction of the heater, a back-up system or
temperature sensitive alarm should be used.
malfunction of the heater, a back-up system or
temperature sensitive alarm should be used.
Should overheating occur, or the gas supply fail to shut
off, shut off the manual gas valve to the appliance before
shutting off the electrical supply.
off, shut off the manual gas valve to the appliance before
shutting off the electrical supply.
The open end of piping systems
being purged shall not discharge into areas where
there are sources of ignition or into confi ned spaces
UNLESS precautions are taken as follows: (1) by
ventilation of the space, (2) control of the purging
rate, (3) elimination of all hazardous conditions. All
precautions must be taken to perform this operation
in a safe manner!
there are sources of ignition or into confi ned spaces
UNLESS precautions are taken as follows: (1) by
ventilation of the space, (2) control of the purging
rate, (3) elimination of all hazardous conditions. All
precautions must be taken to perform this operation
in a safe manner!
Unless otherwise specifi ed, the following conversions
may be used for calculating SI unit measurements:
1 foot = 0.305 m
1 inch = 25.4 mm
1 gallon = 3.785 L
1 pound = 0.453 kg
1 psig = 6.894 kPa
1 cubic foot = 0.028m
may be used for calculating SI unit measurements:
1 foot = 0.305 m
1 inch = 25.4 mm
1 gallon = 3.785 L
1 pound = 0.453 kg
1 psig = 6.894 kPa
1 cubic foot = 0.028m
3
1000 BTU/cu. ft. = 37.5 MJ/m
3
1000 BTU per hour = 0.293 kW
1 inch water column = 0.249 kPa
liter/second = CFM x 0.472
meters/second = FPM ÷ 196.8
1 inch water column = 0.249 kPa
liter/second = CFM x 0.472
meters/second = FPM ÷ 196.8