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2-7.
GAS PIPING
(CONT.)
March 2014
Provisions should be made for moving the fryer for cleaning and
servicing. This may be accomplished by:
1.
Installing a manual gas shut off valve and disconnect union,
or...
2.
Installing a heavy duty (min. 3/4 inch) design A.G..A.
certified connector which complies with standard connectors
for moveable gas appliances. ANSI Z21.69 or CAN/CSA
6.16. Also, a quick disconnect coupling which complies with
the Standard for Quick Disconnect Devices for use with Gas
Fuel, ANSI Z21.41 or CAN 1-6.9. Also, adequate means
must be provided to limit the movement of the fryer without
depending on the connector and any quick-disconnect device
or it's associated piping to limit the fryer movement.
3.
See the illustration on the following page for the proper
.525 in.
connections of the flexible gas line and cable restraint.
1.33 cm
35.277 in.
89.6 cm
9
•
The fryer must be isolated from the gas supply
piping system by closing its individual manual
shutoff valve during any pressure testing of the
gas supply piping system at test pressures equal
to or less than 1/2 PSIG (3.45 KPA) (34.5 mbar).
•
A standard 3/4 inch, black steel pipe and
malleable fittings should be used for gas service
connections.
•
Do not use cast iron fittings.
•
Although 3/4 inch size pipe is recommended,
piping should be of adequate size and installed
to provide a supply of gas sufficient to meet
the maximum demand without undue loss of
pressure between the meter and the fryer. The
pressure loss in the piping system should not
exceed 0.3 inch water column.
The cable restraint limits the distance the fryer can be
pulled from the wall. For cleaning and servicing the
fryer, the cable must be unsnapped from the unit and
the flexible gas line disconnected. This will allow
better access to all sides of the fryer. The gas line and
cable restraint must be reconnected once the cleaning
or servicing is complete.
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