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14
Journeyman Ductable Dual Fuel Indirect-Fired Heater
Duct Options
(Optional accessories and must be
ordered separately)
This heater may be ducted using the approved L.B.
White distribution devices.
• 12 in. x 25 ft. (30.48 cm x 7.62 m) duct. L.B. White
part # 500-30052, duct adapter not required.
• 16 in. x 25 ft. (40.64 cm x 7.62 m) duct kit, L.B. White
part # 500-30076. A duct adapter part # 500-30902
is required.
• Substitute ductwork material is acceptable but must
conform to the following requirements:
1. Duct must have a minimum material temperature of
300°F (149°C)
2. Ducting up to 100 ft. (30.48 m) can be connected to
the heater as long as the static pressure does not
exceed the static limit. Increase static pressure will
reduce flow rate and can cause the high
temperature limits to shut the burner off. Bends and
kinks in the duct, or duct collapse are all likely to
increase static pressure.
-- Maximum static pressure per duct is 0.70 in. W.C. /
0.12 kPa
-- When using the 16 in. (40.64 cm) duct adapter, the
maximum static pressure is 0.50 in. W.C. / 0.12
kPa.
-- Locate the duct under suitable wind barrier materials
for jobsite requirements.
3. Alternate 12 in. duct can be used from the following
manufacturer's:
- Artic Helix - Norseman
- Artic Econorush - Norseman
- Hitex Series - NTI Global
- Ventflex Series - NTI Global
NOTE:
■ When using the ducting, keeps duct bends to a
minimum.
■ Reducing the number of bends will ensure that the
warm air exiting the heater flows freely, thereby
preventing overheating. If there are excessive
bends, the high limit switches may open.
Owner's Manual • Journeyman
Gas Hose and Regulator
(Optional accessories and must be ordered
separately)
NOTE: The gas hose and regulator are not shipped
with the heater. They are optional accessory and must be
ordered separately.
PROPANE HEATERS
Twin stage regulator: 500-25141
Minimum diameter of gas hose for 15' length
3/4 inch, 500-25965
1. Lift the tank's cover.
2. Assemble bushing, pigtail connector and regulator as
shown. Tighten connections securely.
3. Carefully form the connector to ensure the regulator will
be supported by the tank, and the tank valve cover will
protect the regulator from weather conditions.
4. Thread connector's POL fitting counter-clockwise into the
tank valve. Tighten securely.
5. Open the tank valve.
6. Check all connections with an approved leak detector.
Close the tank's cover.
7. When storing or transporting the heater, ensure the
connector's fitting is protected from damage and dirt
entry.
NATURAL GAS HEATERS
--- A regulator should be used if the supply pressure to the
heater is above the maximum inlet pressure of 13.5 in.
W .C. (3.36 kPa). See table below for details.
---- Connect a regulator to the natural gas supply line using
the proper plumbing devices.
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