A.O. Smith ADM - 40 사용자 설명서

Instruction manual ADM

61

s

Caution
Maintenance may only by carried out by an approved service and 

maintenance engineer.

At each service, the appliance undergoes maintenance on both the water side 
and the gas side. The maintenance must be carried out in the following order.
1.

2.

3.

4.

Note
Before ordering spare parts, it is important to write down the appliance type 

and model, and the full serial number of the appliance. These details can be 
found on the rating plate. Only by ordering with this information can you be sure 
to receive the correct spare parts.

To test whether all components are still working properly, complete the following 
steps:
1. Set the ON/OFF switch on the control panel to position 0.
2. Set the control thermostat to the highest value (note the original setting) and 

set the ON/OFF switch back again to  position I.

3. If there is no heat demand, draw off some water to create a heat demand.
4. Check whether the heating cycle

 runs 

correctly.

5. Set the control thermostat back to the original setting and set the ON/OFF 

switch back again to position I. 

6. Check the supply and burner pressure

, and adjust them if necessary.

7. Check that all components of the chimney flue system are properly attached.
8. Test the operation of the overflow valve of the protected cold supply set-up. 

The water should spurt out.

9. Test the overflow operation of the T&P valve. The water should spurt out.
10. Test the overflow operation of the T&P valve. The water should spurt out with 

a strong jet.

11. Check the drainpipes from the discharge points of all valves and remove any 

scale deposits that may be present.

12. Drain the appliance

.