Main Heating Main Heat 12, Инструкция по установке и обслуживанию

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Fig. 54
15.9 Condensate Trap ( Fig. 54 )
1. Disconnect the condensate trap from the base of the heat exchanger.
2. Disconnect the condensate drain (outside the boiler) from the condensate trap.
3. Undo the condensate trap lock nut and remove the trap from the boiler. Disconnect the sensor leads.
4. Fit the new condensate trap and reassemble in reverse order.
5. Prime the condensate trap (fill first chamber), check for leaks.
page 49
The burner and heat exchanger can be changed after removal of the combustion box door. To change the heat exchanger, the fan and burner must
be removed first (see
section 15.6 and 15.10 ).
1. Remove the combustion box door by removing the four securing screws ( Fig. 55 ).
IMPORTANT: On refitting the combustion box door check the condition of the combustion box door seals.
15.10 Burner ( Fig. 56 )
1. Remove the two screws securing the burner to the base of the combustion box.
2. Remove the burner carefully from the combustion box base.
3. Check the burner seal on the heat exchanger base, replace if necessary. Fit the new burner and reassemble in reverse order.