A.O. Smith ADM - 80 - Manual (Page 31)

Instruction manual ADM 31
is
10. Use the pressure gauge to read the supply pressure at test nipple (6). Refer
to the gas data table (3.4.3 "Gas data") .
Note
Consult the mains gas supply company if the supply pressure is not correct.
11. Use the pressure gauge to read the burner pressure at nipple (8). Refer to
the gas data table (3.4.3 "Gas data") .
Note
If the burner pressure is not correct and the appliance is fitted with a blank
plate or high-low control, you will not be able to adjust the pressure. 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
(3.11.2 "Adjusting the pressure") .
3.11.2 Adjusting the pressure
1. Remove the cap (2) from the burner pressure regulator.
2. Depending on the correction required, correct the burner pressure by turning
adjustment screw (3):
-
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 thegas data table (3.4.3 "Gas data") .
4. If the pressure reading is not correct, repeat the burner pressure adjustment
until the correct pressure is reached.
5. Fit the cap (2) back on the burner pressure regulator.
3.11.3 Finalising
1. Shut off the gas supply.
2. Disconnect the two pressure gauges and retighten the sealing screws in the
test nipples.
3. Replace the cover.
Note
Before starting-up the appliance, take time to fill in the warranty card
supplied with the appliance. This enables us to guarantee the quality of our
systems, and to further enhance our warranty procedure.
Please return this card as soon as possible. Your customer will then receive a
warranty certificate with our warranty conditions.