A.O. Smith SGE, Installation And Operation Manual

Page: 43 / 110

Instruction manual SGE 43
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) (3.4.3 "Gas data") .
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) (3.4.3 "Gas data") .
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
(3.13.4 "Finalising") , 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 (3.4.3 "Gas data") .
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 (3.13.4 "Finalising") .
»START OPERATION
^ CHANGE SETPOINT
È Tset=65ÉC
MENU
»OFF
^ ON
È WEEK PROGRAM