Lp Conversion - Rheem H2AC Installation Instructions Manual

WARNING
DO NOT USE AN OPEN FLAME TO
CHECK FOR LEAKS. THE USE OF
AN OPEN FLAME CAN RESULT IN
FIRE, EXPLOSION, PROPERTY
DAMAGE, PERSONAL INJURY OR
DEATH.
WARNING
THIS UNIT IS EQUIPPED AT THE
FACTORY FOR USE ON NATURAL
GAS ONLY. CONVERSION TO LP
GAS REQUIRES A SPECIAL KIT
SUPPLIED BY THE DISTRIBUTOR
OR MANUFACTURER. MAILING
ADDRESSES ARE LISTED ON THE
FURNACE RATING PLATE, PARTS
LIST AND WARRANTY. FAILURE
TO USE THE PROPER CONVER-
SION KIT CAN CAUSE FIRE, CAR-
BON MONOXIDE POISONING,
EXPLOSION, PERSONAL INJURY,
PROPERTY DAMAGE OR DEATH.
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TO CHECK FOR GAS LEAKS, USE A SOAP AND WATER SOLUTION OR OTHER
APPROVED METHOD. DO NOT USE AN OPEN FLAME.
IMPORTANT: Check the rating plate to make certain the appliance is equipped to burn
the type of gas supplied. Care should be taken after installation of this equipment that the
gas control valve not be subjected to high gas supply line pressure.
In making gas connections, avoid strains as they may damage the gas controls. A backup
wrench is required to be used on the valve to avoid damage. Do not overtighten the con-
nection.
The capacities of gas pipe of different diameters and lengths in cu. ft. per hr. with pres-
sure drop of 0.3 in. and specific gravity of 0.60 (natural gas) are shown in Table 1.
After determining the pipe length, select the pipe size which will provide the minimum
cubic feet per hour re quired for the gas input rating of the furnace. By formula:
Cu. Ft. Per Hr. Required =
The gas input of the furnace is marked on the furnace rating plate. The heating value of
the gas (BTU/FT
gas supplier.
B. LP CONVERSION
Convert the unit to use liquefied petroleum (LP) gas by replacing with the stem/spring
assembly supplied in the conversion kit. The LP gas valve maintains the proper manifold
pressure for LP gas. The correct burner LP orifices are included in the kit.
See Figure 10A for component locations.
NOTE: Order the correct LP conversion kit from the furnace manufacturer. See Conversion
Kit Index shipped with unit for proper LP kit number. Furnace conversion to LP gas
must be performed by a qualified technician.
FIGURE 10A
HEAT EXCHANGER COMPONENT IDENTIFICATION
Gas Input of Furnace
(BTU/HR)
Heating Value of Gas
(BTU/FT 3 )
) may be determined by consulting the local natural gas utility or the L.P.
3
ST-A1125-13