Atmos Energy InterCombi HE32 User Manual download pdf (Page 41)

7.6 Weather-dependent control

T supply °C

When the outside sensor is connected, the supply temperature is

automatically controlled dependent on the outside temperature in

accordance with the set control line.

The T set CH (= CH supply temperature) is set via the temperature

display. If required, the control line can be adjusted by the service code.

See § 7.3.

X. T outside °C

Y. T supply °C

A. factory setting

B. example

7.7 Conversion to other gas type

T outside °C

CAUTION

Activities on the gas-containing parts should only be

executed by a qualified registered installer.

When the appliance is connected to another gas type than the type for

which the manufacturer has set the appliance, the gas setting ring must

be replaced. Conversion sets for other gas types can be ordered.

Conversion of the gas setting ring

1. Switch off the electrical supply to the appliance .

2. Close the gas tap.

3. Remove the front cover of the appliance.

4. Disconnect the coupling (1) above the gas valve and turn the gas

mixing pipe (2) backwards.

5. Replace the O-ring (3) and the gas setting ring (4) by the rings of

the conversion set.

6. Reassemble in reverse order.

7. Open the gas tap.

8. Check the gas connections for tightness/ leaks.

9. Switch on the electrical supply to the appliance.

10. Change the parameters d and F to the values given in the table.

11. Now check the setting of the gas/air ratio. (See below)

12. Attach a sticker of the set gas type over the existing sticker on the

gas mixing pipe (2).

13. Apply a sticker of the set gas type at the appliance plate.

14. Remount the front cover of the appliance.

7.8 Gas-air control

The gas-air control is set in the factory and normally does not need any

adjustment.

The setting can be checked by measuring the CO

percentage in the

flues or by measuring the pressure difference.

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Atmos Energy InterCombi HE32 User Manual Page 41

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