G A S C O M B I T H E R M
—
I N S T A L L A T I O N M A N U A L
#MN-28676
PG
. 16
®
C O M B I T HE R M
The Alto-Shaam gas Combitherm has been set to
operate with either natural gas or propane as indicated
on the identification name plate. Make certain the gas
supply matches the nameplate information. Should
conversion to the opposite fuel be desired, conversion
parts must be ordered from the factory. Conversion must
be completed by a qualified service person only. Always
remember to reflect the conversion on the oven's
nameplate. Residential gas connections and hard-piped
gas connections
DO NOT
meet NSF certifications.
G A S S U P P LY & I N S TA L L AT I O N R E Q U I R E M E N T S
G A S P R E S S U R E C H A RT
The oven has been factory adjusted according
to the gas type specified on the identification
name plate.
TECHNICAL SPECIFICATIONS
N a t u r a l G a s
Min. Connected Pressure
5.5" W.C.
1.12 kPa
Max. Connected Pressure
14.0" W.C.
3.5 kPa
P ro p a n e G a s
Min. Connected Pressure
9.0" W.C.
1.99 kPa
Max. Connected Pressure
14.0" W.C.
3.5 kPa
CONNECTING TO THE WRONG GAS
SUPPLY COULD RESULT IN FIRE OR
AN EXPLOSION CAUSING SEVERE
INJURY AND PROPERTY DAMAGE.
TO AVOID SERIOUS PERSONAL INJURY,
installation of this appliance must conform
to local, state, and national codes; the
current edition of the American National
Standard Z223.1, National Fuel Gas Code,
and all local municipal building codes. In
Canada, installation must be in accordance
with Standard CAN/CSA B 149.1 and
I n s t a l l a t i o n C o d e s - G a s B u r n i n g
Appliances, and local codes.
I N S TA L L AT I O N R E Q U I R E M E N T S
GAS CONNECTION
:
3/4" NPT
CHECK PLUMBING CODES FOR PROPER SUPPLY LINE SIZING TO
ATTAIN MINIMUM BURNER MANIFOLD PRESSURE SHOWN
:
NATURAL GAS
: 3.4" W.C.
PROPANE GAS
: 5.6" W.C.
On 20•20esG models, the bottom valve should be set all
the way open and the the upper valce should be set to
the appropriate manifold pressure.
MAXIMUM INLET PRESSURE
:
14" W.C.
NOTE:
If a flexible gas line is used, it must be AGA
approved, commercial type and at least 3/4" I.D.
HOOD INSTALLATION IS REQUIRED
GAS VALVE MAY REQUIRE FIELD ADJUSTMENT ABOVE
3,250' (991m)
AND IS NOT ADJUSTED AT THE FACTORY
.
G A S S P E C I F I C AT I O N S
■
■
NATURAL GAS
■
■
PROPANE GAS
6•10esG
45,000 Btu/hr
.
45,000 Btu/hr
.
10•10esG
68,000 Btu/hr
.
68,000 Btu/hr
.
7•14esG
91,000 Btu/hr
.
91,000 Btu/hr
.
10•20esG
105,000 Btu/hr
.
105,000 Btu/hr
.
12•18esG
105,000 Btu/hr
.
105,000 Btu/hr
.
20•20esG
190,000 Btu/hr
.
190,000 Btu/hr
.
S P E C I F I C AT I O N S
