MUA-SVX005B-EN
17
WWAARRNNIINNGG
FFiirree HHaazzaarrdd!!
FFaaiilluurree ttoo ffoollllooww iinnssttrruuccttiioonnss bbeellooww ccoouulldd rreessuulltt iinn ddaammaaggee ttoo tthhee uunniitt ggaass vvaallvvee aanndd
ccaauussee aa ffiirree hhaazzaarrdd wwhhiicchh ccoouulldd rreessuulltt iinn ddeeaatthh oorr sseerriioouuss iinnjjuurryy..
•• DDoo NNOOTT ccoonnnneecctt ggaass ppiippiinngg ttoo tthhiiss uunniitt uunnttiill aa ssuuppppllyy lliinnee pprreessssuurree// lleeaakk tteesstt hhaass
bbeeeenn ccoommpplleetteedd..
•• DDoo NNOOTT rreellyy oonn aa ggaass sshhuuttooffff vvaallvvee ttoo iissoollaattee tthhee uunniitt wwhhiillee ccoonndduuccttiinngg ggaass
pprreessssuurree//lleeaakk tteessttss.. TThheessee vvaallvveess mmaayy nnoott bbee ccoommpplleetteellyy sshhuuttooffff,, eexxppoossiinngg tthhee uunniitt
ggaass vvaallvvee ttoo eexxcceessssiivvee pprreessssuurree..
•• DDoo nnoott oovveerr--ttiigghhtteenn tthhee iinnlleett ggaass ppiippiinngg aatt uunniitt ggaass vvaallvvee..
WWAARRNNIINNGG
EExxpplloossiioonn HHaazzaarrdd!!
FFaaiilluurree ttoo ffoollllooww ssaaffee lleeaakk tteesstt pprroocceedduurreess bbeellooww ccoouulldd rreessuulltt iinn ddeeaatthh oorr sseerriioouuss iinnjjuurryy oorr
eeqquuiippmmeenntt oorr pprrooppeerrttyy--oonnllyy--ddaammaaggee..
NNeevveerr uussee aann ooppeenn ffllaammee ttoo ddeetteecctt ggaass lleeaakkss.. UUssee aa lleeaakk tteesstt ssoolluuttiioonn ffoorr lleeaakk tteessttiinngg..
The gas line should be supported so that no strain is placed on the unit. Pipe compounds which
are not soluble to liquid petroleum gases must be used on threaded joints.
The appliance and its individual shutoff valve must be disconnected from the gas supply piping
system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa).
The appliance must be isolated from the gas supply piping system by closing the individual
manual shutoff valve during any pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig (3.5 kPa).
For additional gas piping information, including pipe sizing and drip leg installation, refer to
Indoor Gas-Fired Duct Furnace Installation and Service Manual.
For additional piping information, refer to the National Fuel Gas Code Z233.1 (latest edition).
IImmppoorrttaanntt:: If the gas duct furnace is to be fired with LP gas, consult local LP gas dealer for piping
size information.
IImmppoorrttaanntt:: Unit installation for use with propane (bottled) gas must be made by a qualified LP
gas dealer or installer. He will insure proper joint compounds are used for making
pipe connections; that air is purged from lines; that a thorough test is made for leaks
before operating the unit; and that it is properly connected to propane gas supply
system.
Before any connection is made to an existing line supplying other gas appliances, contact the
local gas company to make certain that the existing line is of adequate size to handle the
combined load.
Check all connections for leaks with soap solution.
Modulating Gas Control (Optional)*
• EElleeccttrroonniicc
– On units equipped with electronic modulating control, follow control manufacturer’s
installation instructions for sensing of outlet air temperature.
– **AAllssoo rreeffeerr ttoo tthhee IInnddoooorr DDuucctt FFuurrnnaaccee IInnssttaallllaattiioonn MMaannuuaall ssuupppplliieedd wwiitthh yyoouurr uunniitt..
IInnssttaallllaattiioonn
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