Converting The Boiler To A Different Gas Type - PENSOTTI PCC 34-H Instruction Manual

5.4 Converting the boiler to a different gas type

The conversion of this boiler from burning natural gas to LPG, or vice versa, must be carried out
exclusively by professionally qualified personnel, registered in accordance with current legislation
and authorized by Pensotti LLC. It is necessary to use a properly calibrated, electronic combustion
analyzer.
Check that the gas supply pipe is suitable for the new fuel type.
position; indicated by
simultaneously and wait for 'P00', to
2
P00
appear on the display.
1
P01
temperature setting to select the parameter to modify;

PARAMETER P02 – SELECTS THE TYPE OF GAS SUPPLY
5. Use '+' and '-' buttons (D.H.W temperature setting) to modify the
value of the parameter to "01" for LP Gas
01 = LP Gas
6. Press the mode selection button
7. To exit from the parameters menu, press simultaneously 'i' and 'R' buttons.

8. Turn the appliance off using the power button.
.
9. As a preliminary adjustment, using a 4mm allen wrench or properly sized slotted screwdriver, turn the V screw clockwise 4
turns (PCH 18B-H & PCI 18/8-H – 2 ½ to 3 turns). Leave the wrench or screwdriver in the V screw to make the final adjustment.
10. Turn on all available HEAT zones. Turn the appliance back on and set the mode selection to HEAT ONLY position by
pressing the '+' button.
11. After the boiler fires, press and hold the center button. 'S' for a few seconds until you see '07' appear on the screen/ This
will hold the boiler in high fire for 15 minutes.
12. Unscrew the white test plug and insert an analyzer in the exhaust sampling point 'PF' to check the CO2 value. Make sure
the value complies with the boiler installed.
13. If the CO2 value does not correspond to the specified value, adjust the V screw on the ventrui clockwise to reduce the CO2
value or counter-clockwise to increase it. Be careful not to block the boiler air/fuel venture with your hand as you adjust the V
screw.
14. Once the V screw adjustment is complete, remove the allen wrench or screwdriver. Turn the power button off and then back
on. The boiler control is now back in normal operation mode. (If this step is ignored the control will revert back to normal
operation after the 15 minute period expires).
15. Select the proper operation mode and temperatures as required.
MAINTENANCE INSTRUCTIONS
1. Place mode selection button in OFF
symbol;
2. Keep pressed ' ' and '
i
3. Release buttons ' ' ' and '
i
4. Use ' ' and ' ' buttons of heating
+ -
to save any changes
PF
' buttons
R
';
R
V
V
PF
V Screw
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