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Mr. Heater | MHGLLP B MHGLLP G Operating Instructions and Owner’s Manual
b. Tie-on mantle: Loop the tie-on strings at the opening
of the mantle. Enlarge the opening so that it will fit
over the ceramic burner head and seat in lower groove
of burner head. Do not tie the mantle to the BBV.
Distribute mantle evenly around the burner head. Pull
the ends of the string so that mantle and string are
seated securely in the burner head groove. Knot and
clip off excess string.
C. Replace globe.
LIGHTING INSTRUCTIONS
1. Mantle burn off: WITH gaslamp ON/OFF LEVER IN THE “OFF”
POSITION, and in a well ventilated room, hold a flame close
to, but not touching, bottom of mantle. Remove flame when
mantle begins to smolder. Allow fabric to burn completely.
NOTE: It is normal for mantles to smoke during burn-off
procedure.
WARNING:
After burn-off, mantle is a chemical ash. It will break if
touched. Upon lighting of gaslamp, it will shrink to its
final form.
2. Lighting of gaslamp (See detailed lighting instruction at right):
Light gaslamp only after mantle burn-off (Step 2) has been
completely accomplished. Caution: Do not turn gaslamp to
“ON” position until after lighting match.
Note: When gaslamp is newly installed, air may be present in the
gas line. It might take some time before the gaslamp will light.
After a new mantle is ignited, allow it to burn for five to ten
minutes so it will shrink to its nal form. gaslamp is now ready for
use.
3. Turning gaslamp off: To turn off, simply move gaslamp valve
handle to the “OFF” position.
• Keep area clear and free from combustible materials, including
gasoline and other flammable vapors and liquids. Provide
unobstructed flow of combustion and ventilation air.
• Use propane gas only for models MHGLLP B and MHGLLP G.
Propane gas must be to this rating: 2500 to 2530 B.T.U. per
cubic foot. Mr. Heater propane gas orifices are manufactured to
this rating only. See “gaslamp Warning Tag.”
• Mr. Heater supplies a natural gas orice (Part No. F220369) to
convert the propane gaslamp for natural gas use. The natural
gas supply must be regulated to 4” W.C.
Propane gas supply tank and regulator
Gas supply tank must not be overlled. Regulator must be
adjusted to operate at a pressure of 11 inches of water column
(27.9 cm) (6 oz. of mercury). This same gas pressure must
be maintained at the orifice of the gaslamp. Higher or lower
pressures will cause the gaslamp to malfunction.
CAUTION: Use only new installation pipe. Internally-tinned
copper tubing may be used in certain areas. Check your local
codes. Use pipe of larger enough diameter to allow proper
gas volume to heater. If pipe is too small, undue loss of
pressure will occur.
LIGHTING GAS LAMP
Step 1
CAUTION: Do not turn
on/off lever, #20316, to
“ON” position until after
lighting match.
Step 4
To turn off, simply move
gaslamp on/off lever to
the “OFF” position.
Step 3
When gaslamp is burning
properly, flame is bright
white and has no visible
outlines.
Step 2
Press in and turn lever to
“ON” position. Do not touch
mantle, #20351, with the
match.
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