Henny Penny PFG-691 User Manual download pdf (Page 7)

Model 691

2-7. GAS PIPING • The fryer must be isolated from the gas supply piping

(Continued) system by closing its 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 (0.747 mbar).

Provisions should be made for moving the fryer for cleaning

and servicing. This may be accomplished by:

1. Installing a manual gas shutoff valve and disconnect

union, or

2. Installing a heavy-duty design (minimum 3/4”) A.G.A. certi-

fied connector which complies with standard connectors for

moveable gas appliances. ANSI Z21.69 (the latest edition)

or CAN l, 6. l0M88. Also, a quick-disconnect coupling

which complies with the Standard for Quick-Disconnect De-

vices for use with Gas Fuel, ANSI Z21.41 (the latest

edition) or CAN 1 6.9M79. Also, adequate means must

be provided to limit the movement of the fryer without

depending on the connector and any quick-disconnect

device or its associated piping to limit the fryer movement.

3. See the illustration on the following page for the

proper connections of the flexible gas line and cable

restraint.

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 allows 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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Henny Penny PFG-691 User Manual Page 7