MUA-SVX004B-EN
7
General Safety Information
W
WA
AR
RN
NIIN
NG
G
H
Ha
azza
arrd
do
ou
uss S
Se
errv
viicce
e P
Prro
occe
ed
du
urre
ess!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w a
allll p
prre
ecca
au
uttiio
on
nss iin
n tth
hiiss m
ma
an
nu
ua
all a
an
nd
d o
on
n tth
he
e tta
ag
gss,, ssttiicckke
errss,, a
an
nd
d lla
ab
be
ellss cco
ou
ulld
d
rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
T
Te
ecch
hn
niicciia
an
nss,, iin
n o
orrd
de
err tto
o p
prro
otte
ecctt tth
he
em
msse
ellv
ve
ess ffrro
om
m p
po
otte
en
nttiia
all e
elle
eccttrriicca
all,, m
me
ecch
ha
an
niicca
all,, a
an
nd
d
cch
he
em
miicca
all h
ha
azza
arrd
dss,, M
MU
US
ST
T ffo
ollllo
ow
w p
prre
ecca
au
uttiio
on
nss iin
n tth
hiiss m
ma
an
nu
ua
all a
an
nd
d o
on
n tth
he
e tta
ag
gss,, ssttiicckke
errss,, a
an
nd
d
lla
ab
be
ellss,, a
ass w
we
ellll a
ass tth
he
e ffo
ollllo
ow
wiin
ng
g iin
nssttrru
uccttiio
on
nss:: U
Un
nlle
essss ssp
pe
ecciiffiie
ed
d o
otth
he
errw
wiisse
e,, d
diisscco
on
nn
ne
ecctt a
allll
e
elle
eccttrriicca
all p
po
ow
we
err iin
nccllu
ud
diin
ng
g rre
em
mo
otte
e d
diisscco
on
nn
ne
ecctt a
an
nd
d d
diisscch
ha
arrg
ge
e a
allll e
en
ne
errg
gy
y sstto
orriin
ng
g d
de
ev
viicce
ess
ssu
ucch
h a
ass cca
ap
pa
acciitto
orrss b
be
effo
orre
e sse
errv
viicciin
ng
g.. F
Fo
ollllo
ow
w p
prro
op
pe
err llo
occkko
ou
utt//tta
ag
go
ou
utt p
prro
occe
ed
du
urre
ess tto
o e
en
nssu
urre
e
tth
he
e p
po
ow
we
err cca
an
n n
no
ott b
be
e iin
na
ad
dv
ve
errtte
en
nttlly
y e
en
ne
errg
giizze
ed
d.. W
Wh
he
en
n n
ne
ecce
essssa
arry
y tto
o w
wo
orrkk w
wiitth
h lliiv
ve
e e
elle
eccttrriicca
all
cco
om
mp
po
on
ne
en
nttss,, h
ha
av
ve
e a
a q
qu
ua
alliiffiie
ed
d lliicce
en
nsse
ed
d e
elle
eccttrriicciia
an
n o
orr o
otth
he
err iin
nd
diiv
viid
du
ua
all w
wh
ho
o h
ha
ass b
be
ee
en
n
ttrra
aiin
ne
ed
d iin
n h
ha
an
nd
dlliin
ng
g lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss p
pe
errffo
orrm
m tth
he
esse
e tta
asskkss..
•
The use or storage of gasoline or other flammable vapors or liquids in open containers in the
vicinity of this appliance is hazardous.
•
If you smell gas:
–
Do not touch electrical switches.
–
Extinguish any open flames.
–
Immediately call your gas supplier.
•
Failure to comply with the general safety information may result in extensive property
damage, severe personal injury or death!
•
This product must be installed by a licensed plumber or gas fitter when installed within the
Commonwealth of Massachusetts.
•
Do not alter the unit heater in any way or damage to the unit and/or severe personal injury or
death may occur!
•
Never service any component without first disconnecting all electrical and gas supplies to the
unit or severe personal injury or death may occur!
•
Ensure that all power sources conform to the requirements of the unit heater or damage to
the unit will result!
•
Installation must be made in accordance with local codes, or in absence of local codes, with
the latest edition of ANSI Standard Z223.1 (NFPA No. 54) National Fuel Gas Code. All of the
ANSI and NFPA Standards referred to in these installation instructions are those that were
applicable at the time the design of the appliance was certified. The ANSI Standards are
available from the American National Standards Institute, Inc., 11 West 42nd Street, New
York, NY, 10036 or www.ansi.org. The NFPA Standards are available from the National Fire
Protection Association, Batterymarch Park, Quincy, MA 02269.
•
If installed in Canada, the installation must conform with local building codes, or in absence
of local building codes, with current CSA-B149.1 “Installation Codes for Natural Gas Burning
Appliance and Equipment” or CSA-B149.2 “Installation Codes for Propane Gas Burning
Appliances and Equipment”. These outdoor duct furnaces have been designed for and
certified to comply with CSA 2.6.
•
These units have been designed and certified for outdoor use only, and may be located on
the roof of the building or at any convenient location external of the building to be heated.
The input range is 100,000 BTU/HR. (29.3 kW) to 400,000 BTU/HR. (117.1 kW) in 50,000 BTU/
HR. (14.6 kW) increments.
•
Service Access Panel Removal: To remove an access panel door, use the following
procedure: remove the two screws and two washers from the louvered flue discharge area of
the service panel (power vent doors only). Each panel is held in place with two “Grip”
Latches. Using a slotted head screw driver, turn the latch screwhead counter clockwise. Using
the handle provided, pull the panel upwards. Pull the bottom of the panel out and lower the
panel to disengage it from the top lip. To replace an access door panel, guide the panel door
