Liquid Gas Operation Check; Oven Burner Minimum Adjustment; Important; Checking Operation - Gastec MINIMA Serie Manual De Instrucciones

2.6.5

LIQUID GAS OPERATION CHECK

See also the publication entitled "Installation Instructions and Specifications of LPG systems.".
2.6.6

OVEN BURNER MINIMUM ADJUSTMENT

The ovens are set for natural gas. If supplied with L.P.G. (BOTTLE) at a pressure of 30 mbar it is necessary to:
- Remove the control knob ( A-fig. )
- Fully screw down the by-pass adjusting screw (M).
IMPORTANT: After setting the burner, check that the flame stays stable both when quickly passing from maximum to
minimum and when trying to open and close the oven door. If it goes out, check the cause and remove it. After setting, check
there is no gas leakage.
2.6.7

CHECKING OPERATION

- Start the unit according to the user instructions.
- Make sure there are no gas leaks following the local procedures.
- Check the ignition and inter-ignition of the pilot burner and main burner.
- Make sure the flue gases are discharged properly.
- Write on a sticker, to stick onto the unit data plate, the gas and pressure for which the unit has been calibrated.
2.6.8

USER'S INTRODUCTION

Explain the operation and use of the unit to the user by referring to the instructions booklet and illustrate any changes.
Leave the instructions booklet with the user and explain he needs it for further reference.
2.7

ELECTRICAL CONNECTION

The electrical connection must be made in compliance with CEI standards, only by authorized and skilled personnel.
Firstly, check the data given in the technical data table of this manual, on the data plate and in the wiring diagram.
The envisaged connection is of the fixed type.
IMPORTANT: A multi-polar mains cut-off device must be provided upstream from each unit, with a contact gap of at least 3 mm.,
for example:
- a manual switch of suitable capacity, equipped with fuses
- circuit breaker with relevant miniature circuit breakers.
2.7.1

EARTHING

It is vital to earth the oven. Connect the terminals marked by the symbols (
an efficient grounding complying with the regulations in force.
The manufacturer cannot be deemed responsible for any damage caused by failure to earth the system.
CAUTION: NEVER CUT THE EARTH WIRE (yellow-green).
2.7.2

EQUIPOTENTIAL

The unit must be included in an equipotential system whose efficiency must be checked according to the standards in force.
The screw marked with the "Equipotential" label is on the back.
2.7.3

POWER SUPPLY CABLE

The unit is delivered fitted for one of the following voltages:
3N AC 380...415V; 2N AC 380...415 V; 3 AC 220...240 V; 1N AC 220...240 V 50/60 Hz.
GB
) positioned on the line-in terminal block to
- 22 -
Fig. 12