Gas System Connection; Discharge Of Exhaust Flue Products; Gas Units Type A; Incoming Pressure Check (Pe) - Diamond G77/F14A4-NH Manual De Instrucciones

2.5

GAS SYSTEM CONNECTION

- The unit should be supplied with gas having the characteristics and the pressure shown on Table II.
- The gas pressure is measured at the initial pressure outlet with the burner on (see Fig. 1).
- The equipment is tested and preset in order to work with the gas indicated on the external adhestive plate.
*N.B. Should the supply pressure vary more than +10% of the nominal pressure, it is advisable to install a pressure
regulator ahead of the unit to guarantee the nominal pressure.
- Gas supply connection should be performed by means of metal piping of an appropriate cross section and an approved
shutoff cock should be fitted at source.
- Having connected the gas supply, you should make sure no leaks exist at the joints by checking with bubble soap.
2.6

DISCHARGE OF EXHAUST FLUE PRODUCTS

The units should be installed in premises suitable for the discharge of flue products, which must occur in compliance with
the installation instructions. Our equipment (see Tables 1.1S, 1.1B for technical data) is classified as:
2.7

GAS UNITS TYPE A

They are not suitable to be connected to a flue discharge control.
The gas unit should be positioned beneath a draft hood with its system complying with the Regulations. (This unit needs at
least 2cu.m/hr • kW T.C. (Thermal Capacity).
Check kitchen ventilation: it should by complying with the Regulations in force.
2.7.1 INCOMING PRESSURE CHECK (PE) FIG. 1
Pressure is measured with a manometer 0÷80mbar (precision at least 0.1mbar).
The pressure socket Fig. 1 is located on the G 1/2" gas ramp behind the panel; undo the screw (A) of the pressure socket (B),
attach the silicone rubber to the manometer, ignite the burner and take the incoming "dynamic" pressure.
Fasten the screw (A) back with a gas washer (C), check gas sealing with bubble soap.
2.7.2

NOZZLE PRESSURE CHECK (PI)

The pressure socket is located above the nozzle holder.
The silicone rubber is prepared for high temperatures and should be protected with tin foil to avoid its burning.
2.7.3

LIQUID GAS OPERATION CONTROL

Check whether the fitted nozzles comply with the indications on Table II.
Check whether the incoming pressure complies with the indications on Table II.
Make sure that the L.P.G. gas system has two pressure regulators of suitable capacity and that the evaporation capacity is
sufficient.
See also the publication "Installation Regulations and Characteristics of L.P.G. Systems".
2.8

OPERATION CONTROL

- Start the unit in accordance with the use instructions Chap. 6.
- Make sure there are no leaks following the local procedures.
- Check the ignition and interignition of the pilot burner and the main burner.
- Make sure the flue gases are discharged regularly.
- Write on a sticker to be glued to the unit label, for what gas and pressure the unit has been calibrated.
2.9

INTRODUCTION TO USERS

Explain the operation and use of the Fryer to its user by consulting the manual, and illustrate any changes.
Leave this instruction manual with the user and explain he/she must consult it for any future reference.
After replacing the nozzles, apply on the existing label the one supplied with the machine indicating the new type of gas.
GB
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