Alto-Shaam ASC-4G User Manual
Page 7
A S C - 4 G G a s C o n v e c t i o n O v e n - E l e c t r o n i c C o n t r o l • 5
G A S S U P P L Y & I N S T A L L A T I O N
INSTALLATION REQUIREMENTS
GAS CONNECTION
:
3/ 4" NPT
CHECK PLUMBING CODES FOR PROPER SUPPLY LINE SIZING TO
ATTAIN BURNER MANIFOLD
NOTE:
If a flexible gas line is used, it must be AGA
approved, commercial type and at least 1" I.D.
G A S P R E S S U R E C H A R T
The gas valve and burner have been fitted
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
7.0" W.C.
1.74 kPa
Max. connected pressure
14.0" W.C.
3.48 kPa
Orifice Size
1/8
Manifold pressure
5.0" W.C.
1.25 kPa
Gross thermal output
50,000 Btu/hr
P ro p a n e G a s
Min. connected pressure
11.0" W.C.
2.74 kPa
Max. connected pressure
14.0" W.C.
3.48 kPa
Orifice Size
#43
Manifold pressure
10.0" W.C.
2.49 kPa
Gross thermal output
50,000 Btu/hr
D A N G E R
CONNECTING TO THE WRONG GAS
SUPPLY COULD RESULT IN FIRE OR
AN EXPLOSION CAUSING SEVERE
INJURY AND PROPERTY DAMAGE.
W A R N I N G
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 Installation Codes - Gas
Burning Appliances, and local codes.
G A S S P E C I F I C A T I O N S
FIELD CONVERSION OF FUEL TYPE
To convert from either fuel type, replace the orifice
located at the burner inlet with the desired orifice.
Replace the spring kit located on the front left side of
the valve. Remove the cap and nylon screw, replace
spring and nylon screw with desired kit. Set the
manifold pressure to the corresponding values located
under technical specifications.
F U E L T Y P E
O R I F I C E S I Z E
O R I F I C E P
/
N
M A N I F O L D P R E S S U R E
Natural
1/8
OR-29172
5.0 IN/WC
Propane
# 43
OR-29054
10.0 IN/WC
C O N V E R S I O N S P R I N G K I T S
Natural
VA-28821
Propane
VA-28444