Louisville Tin and Stove WOW254 - Manual (Page 14)

Page 14
GAS CONVERSION
This heater is field convertible. Use only factory sup-
plied, certified kits.
Model Conversion
Number Description Kit No.
WOW253 Convert Nat. to L.P. 20,000 49670
WOW254 Convert L.P. to Nat. 20,000 49660
WOW403 Convert Nat. to L.P. 40,000 49690
WOW404 Convert L.P. to Nat. 40,000 49680
CAUTION: Only qualified installers or service
agency are authorized to make a gas conver-
sion on this heater.
ORIFICE CONVERSION
A.) Turn thermostat to “OFF” or lowest setting.
B.) Allow heater to cool. Remove front panel.
C.) Turn off electric power to heater.
D.) Turn off gas supply.
E.) Disconnect gas supply line from gas control.
F.) From outside, remove six (6) screws secur-
ing back of outer cabinet to air intake and
exhaust flanges.
G.) From inside, gently slide combustion tube
assembly forward and out of outer cabinet.
H.) Disconnect gas control wires and remove
right side of inner cabinet.
I.) Remove two screws securing gas control
bracket to burner box.
J.) Remove six (6) screws securing manifold
to burner box.
K.) Pull manifold/gas control assembly out of
burner box.
L.) Replace burner orifices with orifices of cor-
rect size for type of gas and elevation. NOTE:
The WOW403, 404 requires 5 orifices and
the WOW253, 254 requires 3.
M.) Carefully check integrity of all gaskets, make
sure all gaskets are in place.
N.) Re-assemble heater by reversing Steps K -
F.
CONVERTING GAS CONTROL
A.) Remove the converting seal cap. (See
Figure A). WARNING: Do not remove or
tamper with any other valve components.
B.) Remove the black rubber gasket from the
down side of the converting seal cap and
reinstall gasket on opposite side of
converting seal cap. Gasket must be on
down (valve) side of converting seal cap.
(See Figure A).
C.) Invert the converting seal cap and reinstall.
D.) Insure that the desired gas (LP for liquefied
petroleum or NAT for natural gas) symbol
is visible after reassembly of cap.
(See Figure A).
COMPLETING CONVERSION
A.) Connect gas supply line to gas control.
B.) Turn on gas supply. Check for leaks using
a soapy solution. NEVER use an open
flame to check for leaks.
C.) Turn on electric power to heater.
D.) Replace front panel.
E.) Follow lighting instructions to place heater
in operation.
F.) Using a Manometer, check manifold pres-
sure. Correct pressure is 3.5” w.c. for
Natural and 10.0” w.c. for L.P..
FIGURE A
“NAT” ON TOP FOR
NATURAL GAS
“LP” ON TOP FOR
L.P. GAS
CONVERTING SEAL
CAP SEE A-A
GASKET
M A X I T R O L
GAS VALVE