Ariston 47-166-32 Kullanım Kılavuzu, Kurulum ve Servis Talimatları - Sayfa 29

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Gas Adjustments

Supplied By www.heating spares.co Tel. 0161 620 6677

Soft - Light

Max Heating

Adjustment

5. To set the minimum power, disconnect a supply terminal "F1"

from the modureg and adjust screw "F" (ensure that the

10mm nut is held in position). Turn the screw clockwise to

increase the pressure and anti-clockwise to decrease the

pressure (displayed on the pressure gauge) corresponding to

the minimum power (see TABLE A page 28).

6. When you have completed the above operations, turn off the

hot water tap, reconnect the supply terminal to the modureg

on the gas valve, reconnect the compensation pipe and

replace the cap on the screw of the modureg.

Setting the maximum heating circuit power

7. To set the maximum heating circuit power, push the On/Off

button to the "ON" position -green light- and push the Heating

button and set the time clock and any external controls to the

"ON" position -green light. Turn the knob of the heating ther-

mostat clockwise to maximum.

8. Remove the inspection panel of the P.C.B. and fit a small

cross-head screwdriver in to the right hand potentiometer (see

below). Turn clockwise to increase the pressure or counter-

clockwise to reduce the pressure. Adjust the setting to the

required heating pressure value (displayed on the pressure

gauge), as indicated in the charts shown on pages 28.

9. Turn off the boiler by placing the main switch to the "OFF"

position.

Setting the pressure for soft-light ignition.

Disconnect the detection electrode connection close to the

P.C.B. (F

. 6.13).

Start the boiler and during the ignition sequence adjust the left

hand potentiometer until the gas pressure reads the required

gas pressure (see the table on page 28).

Once the gas pressure is set turn off the boiler and re-connect

the detection electrode to the P.C.B.

NB.: It may be necessary to reset the flame failure reset a

number of times during this operation.

10. Remove the pipe from the test point and tighten the screw "C"

to the pressure test point in order to seal off the gas.

11. Carefully check the pressure test points for gas leaks (valve

inlet and outlet).

IMPORTANT!

Whenever you disassemble and reassemble the gas connec-

tions, always check for leaks using a leak detection fluid.