Lp Gas Conversion - American Standard TGBWF090A93AVA Installation Manual

3.10 LP Conversion
The boiler ships confi gured to burn Natural Gas
(NG). To convert to LP use conversion kits as follows
in Tables 9 and 10.
Boiler Model #
*GBWF090A93AVA
*GBWF130A94AVA
*GBWF173A95AVA
*GBWF215A96AVA
*May be "A" or "T"
IMPORTANT: Liquid Propane conversion kit
includes fi ve main burner orifi ces and one pilot
orifi ce. Pilot orifi ce MUST be changed as well as
main orifi ces when converting boiler to use liquid
propane gas.
Use the following instructions to convert the boiler to
Liquid Propane(LP):
NOTE: It is not necessary to remove the gas
valve. However, if this is done, a new fl at
gasket must be inserted into the gas valve con-
nection. Flat gaskets are included with the LP
conversion kit.
1. Remove boiler front access cover. First, pull at
the top of the panel to rotate. Then, lift up on
the panel to remove. See Figure 24.
2. Locate gas valve. See Figure 25.
3. Remove Natural Gas/Liquid Propane cover loca-
ted on the gas valve using a fl at blade screwdri-
ver. See Figure 26.
4. Rotate the dial with the arrow pointing at
Natural Gas to the Liquid Propane setting. See
Figure 26.
5. Replace the Natural Gas/Liquid Propane cover.
Table 9
LP Conversion kit Part
Number
BAYLPK01AWBLRA
BAYLPK01AWBLRA
BAYLPK01AWBLRA
BAYLPK01AWBLRA
Input Number Main Burner Orifi ce
Rating of
BTUH Burners
Nat.
Gas
90,000 2 3.1 mm
130,000 3 3.1 mm
173,000 4 3.1 mm
215,000 5 3.1 mm
Table 10
LP Conversion
Number
Drill Size of
Pilots
LP Gas
1.90 mm 1
1.90 mm 1
1.90 mm 1
1.90 mm 1
Figure 25
1
2
Pilot Orifi ce Drill
Size
Nat. LP Gas
Gas
0.40 mm 0.24
mm
0.40 mm 0.24
mm
0.40 mm 0.24
mm
0.40 mm 0.24
mm
Figure 24
18-CG01D1-4
27