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Guardian Brood Heaters
www.lbwhite.com
Owner’s Manual • Guardian
22
Transformer
Located in the control box, the transformer reduces 220
VAC to 24 VAC for operation of the the ignition control.
Without 24 VAC from the transformer, the red diagnostic
light will not be on and the ignition control will not
function.
FIG. 20
Gas Pressure Checks
Ŷ
The following explains a typical procedure to be
followed in checking gas pressures.
Ŷ
The gas pressures will vary depending upon fuel type.
Consult the dataplate on the brood heater or page 4 in
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-
tion with this procedure.
Gas pressure measured at the inlet to the gas valve is
Inlet Pressure and gas pressure measured at the outlet of
the gas valve is Burner Manifold Pressure.
A. Preparation
1. Obtain two pressure gauges capable of reading up to
9 kPa in. W.C.
2. Disconnect the heater from the electrical supply and
close the fuel supply valve to the brood heater inlet.
WARNING
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gas control valve.
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physical damage occurs to the control valve
assembly.
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or explosions, leading to injury or death, and
property damage.
3. Open the burner access panel.
4. Brush or blow off any dust and dirt on or in the vicin-
ity of the gas control valve.
B. Gauge Installation
1. Locate the inlet and outlet pressure taps, see Fig.
21. Remove the pressure tap plug using a 3/16 in.
allen key.
FIG. 21
OUTLET
PRESSURE
TAP
INLET
PRESSURE
TAP
ON
OFF
FIG. 22
LOW
PRESSURE
GUAGE
OUTLET
PRESSURE
TAP
INLET
PRESSURE
TAP
LOW
PRESSURE
GUAGE
E
X
AMPLE
SHOWS
PRESSURE
FOR
PROPANE
GAS
ALWAYS
REFER
TO
PRESSURE
ON
DATAPLATE
OFF
ON
INTERNAL
PRESSURE
REGULATOR
2. Securely connect a pressure gauge to each
pressure tap.
3. Open the fuel supply valves to the heater and
reconnect the heater electrical supply.
4. Start the heater
C. Reading Pressures
1. With the brood heater operating, the pressure
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dataplate.
2. Do the readings at the inlet and outlet pressure
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If so, then no further checking or adjustment is
required. Proceed to section D.
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on the dataplate, then the regulator controlling gas
pressure to the brood heater requires adjustment.
Содержание AD060
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