Sterling QVSF User Manual download pdf (Page 3)

GENERAL SAFETY INFORMATION

Do not attempt to convert the

heater for use with a fuel other than the one

intended. Such conversion is dangerous, as it

will create the risks listed previously.

Make certain that the power source conforms to the

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.

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 grounded conductor between the service

panel and the heater. To ensure a proper ground,

the grounding means must be tested by a qualified

electrician.

Do not insert ﬁ ngers or foreign objects into the 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 may be 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.

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.

In cases in which property damage may result from

malfunction of the heater, a backup system or a

temperature sensitive alarm should be used.

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 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 psig = 6.894 kPa

1 pound = 0.453 kg

1 gallon = 3.785 L

Failure to comply with the General

Safety Information may result in extensive 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.

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 the American National Standards Institute,

Inc.,11 West 42nd Street, New York, NY, 10036 or www.

ansi.org. The NFPA Standards are available from the

National Fire Protection Association, Batterymarch Park,

Quincy, MA 02269. These unit heaters are designed for

use in airplane hangars when installed in accordance with

ANSI/NFPA No. 409 and in public garages when installed

in accordance with NFPA No. 88A and NFPA No. 88B.

If installed in Canada, the installation must conform with

local building codes, or in absence of local building

codes, with CSA-B149.1 “Installation Codes for Natural

Gas Burning Appliances and Equipment” or CSA-B149.2

“Installation Codes for Propane Gas Burning Appliances

and Equipment”. These Unit Heaters have been

designed and certiﬁ ed to comply with CSA 2.6. Also see

sections on installation in AIRCRAFT HANGARS and

PUBLIC GARAGES.

Do not alter the unit heater in any

way or damage to the unit and/or severe per-

sonal 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.

Ensure that all power sources

conform to the requirements of the unit heater

or damage to the unit will result!

Follow installation instructions CAREFULLY to avoid

creating unsafe conditions. All wiring should be done

and checked by a qualiﬁ ed electrician, using copper wire

only. All external wiring must conform to applicable local

codes and to the latest edition of the National Electrical

Code ANSI/NFPA No. 70. 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 the “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 the risk of gas

leaks, carbon monoxide poisoning and explosion.

1 inch water column = 0.249 kPa

1 meter/second = FPM ÷ 196.8

1 liter/second = CFM x 0.472

1000 Btu per hour = 0.293 kW

1000 Btu/Cu. Ft. = 37.5 MJ/m

1 cubic foot = 0.028 m

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Sterling QVSF User Manual Page 3

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