Alto-Shaam COMPITHERM 2020ESG - Manual (Page 18)

COMBITOUCH TM ESG SERIES • GAS INSTALLATION MANUAL • 16.
INSTALLATION
GAS SUPPLY & INSTALLATION
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.
GAS SPECIFICATIONS
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. 88,000 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. 170,000 Btu/hr.
INSTALLATION REQUIREMENTS
GAS CONNECTION: 3/ 4” NPT
CHECK PLUMBING CODES FOR PROPER SUPPLY LINE
SIZING TO ATTAIN MINIMUM BURNER MANIFOLD
PRESSURE SHOWN:
NATURAL GAS: 3.5” W.C.
PROPANE GAS: 5.6” W.C.
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
2,000’ (610m) AND IS NOT ADJUSTED AT THE FACTORY.
GAS PRESSURE CHART
The oven has been factory adjusted according to
the gas type specified on the identification name
plate.
TECHNICAL SPECIFICATIONS
Natural Gas
Min. Connected Pressure 5.5” W.C. 1.12 kPa
Max. Connected Pressure 14.0” W.C. 3.5 kPa
Propane Gas
Min. Connected Pressure 9.0” W.C. 1.99 kPa
Max. Connected Pressure 14.0” W.C. 3.5 kPa
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.