Conversion To A Different Gas Category - A.O. Smith 28 30 50 60 Installation & Service Manual

A. o. smith corporation service manual water products 28 30 50 60

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Table Of Contents

Table of Contents

OFF

^ ON

È WEEK PROGRAM

Figure 3.11 Main menu

3.12 Conversion to a

different gas

category

Release R.1.3 UK

17. Activate the "OFF mode" of the ThermoControl:

If the

is not displayed:

press B.

Use H and L to position the cursor (

Confirm with E.

18. Wait until the fan has stopped. and turn the ThermoControl off.

Note

Failure to wait until the fan stops can cause damage to the appliance.

19. Shut off the gas supply.

20. Disconnect the two pressure gauges and re-tighten the sealing screws in the

test nipples.

21. Replace the plastic covers.

Remark

Before starting-up the appliance, take time to fill in the warranty card

supplied with the appliance. This enables us to guarantee the quality of our

systems, and to further enhance our warranty procedure.

Please return this card as soon as possible. Your customer will then receive

a warranty certificate with our warranty conditions.

Note

The conversion may only by carried out by an authorised installer.

If the appliance must operate on a family of gas (LP gas or natural gas) other

than the category of gas for which the appliance has been set up at the

factory, the appliance will have be adapted using a special conversion kit.

Note

After conversion, check the supply pressure and the burner pressure.

1. Disconnect the appliance from the mains. See paragraph

the appliance from the

2. Shut off the gas supply.

3. Undo the screws of the plastic covers.

4. Carefully remove the black plastic covers from the appliance.

5. Loosen the 2 screws of the electrical section, and remove the protective cap

from the electrical section

6. Detach the connector

ionisation rod to the controller.

7. Detach the three-part gas coupling

Detach the air supply hose 3.

Detach the detach the pressure switch hose 4.