A.O. Smith 30 User Manual
Page 45

Instruction manual SGS
45
is
7. Activate the "ON mode" by going through the following steps:
-
Press the blue arrow once ( ) to position the cursor in front of ON and
press
. The display shown here will appear.
-
Confirm the
by pressing START OPERATION.
The appliance is now in the "ON mode" and will ignite.
8. Once the display shows the text RUNNING you must wait about 1 minute
before reading the dynamic pressures (the fan needs this time to run up to
full rotational speed).
9. Use the pressure gauge to read the supply pressure at 1nipple
(1)
Note
Consult the mains gas supply company if the supply pressure is not correct.
10. Use the pressure gauge to read the burner pressure at nipple
(2)
If the burner pressure is not correct and the appliance is fitted with a blank plate,
you will not be able to adjust the pressure. Finalise
, and in
this case, consult your installation engineer or supplier.
If the appliance is indeed fitted with a burner pressure regulator, the pressure can
be adjusted as described in the procedure
(3.13.3 "Adjusting the pressure")
3.13.3
Adjusting the pressure
1. Remove the cap (4) from the burner pressure regulator (3).
2. Correct the burner pressure by turning the adjusting screw (5), depending
on the correction required:
-
Adjustment screw anticlockwise: burner pressure decreases.
-
Adjustment screw clockwise: burner pressure increases.
3. Cover the opening of the adjusting screw and check the burner pressure
against the value given in the gas table
4. If the pressure is not set correctly, repeat the preceding steps until the
correct pressure is attained.
5. Fit the cap (4) back on the burner pressure regulator.
6. Activate the "OFF mode" of the electronic controller:
7. If the MENU is not displayed:
press .
-
Use and to place the cursor beside OFF.
-
Confirm with
.
8. Wait until the fan has stopped, and switch the electronic controller off.
Caution
Failure to wait until the fan stops can cause damage to the appliance.
9. Finish off
.
»START OPERATION
^ CHANGE SETPOINT
È Tset=65ÉC
MENU
»OFF
^ ON
È WEEK PROGRAM