Beckett CG4 Instrukcja Użytkownika Pobierz pdf (Strona 19)

CG4 Burner Manual

Section: PREPARE THE BURNER FOR START-UP

Prepare the Burner for

Start-up

Asphyxiation, Explosion/

Fire

Professional Installation & Service

Required. Incorrect installation and

mishandling of start-up could lead to

equipment malfunction.

This burner must be installed and prepared for start-

up by a qualied service technician who is trained and

experienced in gas burner system installation and

operation.

Do not attempt to start the burner unless you are fully

qualied.

Carefully follow the wiring diagrams, control instruction

sheets, control sequence of operation, test procedures

and all appliance manufacturer’s directions that pertain

to this installation.

Start-up Checklist

Verify the following before attempting to start the

burner:

1. Test Instruments

The following calibrated test equipment is required

to properly install the appliance. Whether these

are included in one kit or are individual test

components, they should be calibrated and in good

working order.

○ A combustion analyzer capable of measuring

oxygen (or carbon dioxide), carbon monoxide,

stack temperature, ambient temperature, and

appliance efciency.

○ Electrical multi-meter capable of measuring

voltage, ohms, amps, and DC micro-amps for

measuring the ame signal. These could be

included in one meter or separate meters, but

should be calibrated and accurate.

○ Calibrated manometers and gauges capable of

measuring all pressure ranges in the gas supply

and appliance draft. This could typically range

from a few PSI to 0.1” W.C.

Start the Burner

Asphyxiation, Explosion/

Fire

Professional Installation & Service

Required. Incorrect installation and set up

could lead to equipment malfunction.

This burner must be installed and prepared for start-

up by a qualied service technician who is trained

and experienced in gas burner system installation and

operation.

Do not attempt to start the burner unless you are fully

qualied.

Do not continue with this procedure until all items in

the ‘Prepare the Burner for Start-up’ section have been

veried.

Carefully follow the wiring diagrams, control instruction

sheets, control sequence of operation, test procedures

and all appliance manufacturer’s directions that pertain

to this installation.

Burner Start Procedure

(Before proceeding, turn off and lock out electrical

power and close the main shut off cock to shut off gas

to the burner.)

1. With the power and main gas supply to the burner

turned off, make sure gas has not accumulated in

the boiler or ues.

2. Check the initial air settings (shutter & band) for

input ring rate. If adjustment is necessary refer to

Figure 14 and loosen the adjustment screws then

twist the shutter and/or air band until the indicators

point to the values listed in Table 5 on Page 10.

3. With the main shutoff cock closed. Set the limit or

controller to call for heat then apply power to start

the burner.

4. In order to check the function of each component

(i.e.: 7590 sequence, airow proving switch, ignition

transformer, gas valves, safety lockout timing,

etc.), with the main shutoff cock closed, monitor a

complete burner run sequence. Note that the 7590

control will lock out following the 3rd try for ignition

since the fuel supply has been closed off. Reset

the control by pressing the reset button while the

control is powered or by removing power from the

control for 10 seconds or more.

5. If 7590 operation sequence and function is correct,

turn off power and remove sensor wire from bottom

of 7590 control. Turn on power and fuel and initiate

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