Gas Inlet Pressure - Wolf Steel Condo Pack Installation And Operating Instructions Manual

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4.12 GAS INLET PRESSURE

The natural gas inlet supply pressure should be 5" to 7" wc. (7" wc recommended). The LP gas inlet supply
pressure should be 11" to 13" wc. (12" wc recommended). These pressures must be maintained while all other
IOM
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gas fired appliances are operating at maximum conditions.
DO NOT EXCEED 13" WC INLET PRESSURE FOR LP GAS AND 10.5" WC FOR NATURAL GAS.
The gas valve has an adjustable internal regulator for controlling burner manifold pressure. Burner manifold
pressure is listed on the furnace rating plate.
THE 30, 40 AND 50K BTU FURNACES ARE FACTORY EQUIPPED TO BURN NATURAL GAS ONLY.
CONVERSION TO LP GAS REQUIRES A NATURAL GAS TO LP CONVERSION KIT (W370-0040) EXCEPT FOR
15K BTU (CCGM015A) UNITS. THE 15K BTU UNIT COMES FACTORY EQUIPPED TO BURN NATURAL GAS.
THE 15K BTU UNITS ARE FACTORY CONVERTED FOR LP. THERE ARE NO CONVERSION KITS FOR THE
FAILURE TO USE THE PROPER CONVERSION KIT CAN CAUSE FIRE, EXPLOSION, CARBON MONOXIDE
• CONVERSION OF THE 30, 40, 50 KBTU FURNACES REQUIRES SPECIALIZED EQUIPMENT.
CONVERSION MUST BE COMPLETED BY A TRAINED AND QUALIFIED INSTALLER, SERVICE
AGENCY OR GAS SUPPLIER. CONVERSION FROM NATURAL GAS TO LP GAS FOR 15K BTU
UNITS IS DONE ONLY AT THE FACTORY.
• CONNECT THIS FURNACE ONLY TO GAS SUPPLIED BY A COMMERCIAL UTILITY OR SUPPLIER.
PRIVATE GAS WELLS DO NOT GENERALLY PROVIDE GAS WITH CONSISTENT, UNIFORM AND
PREDICTABLE HEATING VALUES AND DENSITIES. MANY NON-COMMERCIAL WELLS CONTAIN
IMPURITIES SUCH AS SULFUR, WHICH MAY DAMAGE THE FURNACE. THIS FURNACE CANNOT
OPERATE PROPERLY OR SAFELY USING FUELS OUTSIDE NORMAL COMMERCIAL STANDARDS.
In Canada, the gas piping should be installed in accordance with CAN/CSA-B149.1 and 2, and in accordance
with any local codes. In the United States, the gas piping should be installed in accordance with (NFGC) NFPA
54 / ANSI Z223.1 and any local codes. If local codes allow the use of a flexible gas appliance connector, always
use a new listed connector. Do not use a connector, which has previously serviced another gas appliance.
To maintain a good seal in the burner area, the
gas piping through the top panel into the furnace
must be 1/2" Schedule 40 black iron pipe. The pipe
passes through a special rubber grommet that is
custom manufactured to seal tightly around the gas
pipe (FIG 4.12.).
Always use a backstop wrench to prevent twist-
ing of the gas valve. Any strains on the gas valve
can affect positioning of the orifices relative to
the burners. This could result in faulty burner
operation.
ENSURE THAT THE GAS VALVE IS NOT
SUBJECTED TO HIGH PRESSURES.
W415-1307 / B / 03.31.2017
POISONING, PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
IMPORTANT
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IMPORTANT
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IMPORTANT
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WARNING
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15K BTU FURNACE .
IMPORTANT
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FIG. 4.12
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H3.18_AC
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