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©2018 Hestan Commercial Corporation
12
EN
GAS SUPPLY
The local gas authority or supplier should be consulted at the installation planning stage in order
to establish the availability of an adequate supply of gas (NG or LP). If it is a new installation, have
the gas authorities or supplier check the meter size and piping to assure that the unit is supplied
with the necessary amount of gas supply and pressure to operate the unit(s).
• Gas connections should be made by a qualified plumber, or your professional appliance
installer.
• All appliances (NG or LP) must be fitted with an accessible upstream gas shutoff valve as a
means of isolating the appliance for emergency shut off and for servicing.
• Make certain new piping and connections have been made in a clean manner and have been
purged so that piping compound, chips, etc. will not clog regulators, valves, orifices, or
burners. Use pipe joint compound / thread sealant approved for natural and LP gases.
PRECAUTIONS FOR SUPPLY TESTING
The appliance and its individual manual 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 psi
[3.5kPa].
The appliance must be isolated from the gas supply piping system by closing its individual manual
shutoff valve during any pressure testing of that system at test pressures equal to or less than
1/2psi [3.5 kPa].
NEVER CONNECT THE APPLIANCE TO AN UNREGULATED GAS
SUPPLY.
If the line pressure supplying the appliance pressure regulator exceeds 14 inches W.C. [3.48 kPa]
(any gas), an external regulator must be installed in the gas line ahead of the appliance regulator
to reduce the pressure to no more than 14 inches W.C. [3.48 kPa]. Failure to do this can result in
malfunction and damage to the appliance.
GAS TYPE AND PRESSURE
Before proceeding, verify that the appliance is fitted for the type of fuel available. Connecting to
an improper gas type will result in poor performance and increased risk of damage or injury. Gas
type is shown on the rating label. If the appliance has been converted for an alternate fuel, that
information should be next to the rating label or near the regulator.
The gas should be supplied to the appliance’s pressure regulator at a line pressure of 6 - 14 inches
W.C. [1.49 - 3.48 kPa] for NG, and 11 - 14 inches W.C. [2.43 - 3.48 kPa] for LP.
Installation of this cooking appliance must be made in accordance with local codes. In the absence
of local codes, this unit should be installed in accordance with the National Fuel Gas Code No.
Z223.1/ NFPA 54
, Natural Gas and Propane Installation code
CSA B149-1
, or Propane Storage and
Handling Code B149.2.
CONVERSION KITS
A conversion kit is provided with the cooktop. The conversion can only be performed by a
qualified technician. In the event your Hestan appliance needs to be converted from NG to LP,
or vice-versa, you will need to contact Hestan Customer Service to arrange a service call. See the
CONVERSION section of this manual for details.
GAS CONNECTION
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