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Rinnai Australia
27
Ultima II Installation Manual
INBUILT / CONSOLE BURNER PRESSURE SETTING
1. With the heater Turned OFF.
2. Remove test point screw
, of the gas control
.
3. Attach manometer to test point
.
4. Operate the appliance. (Start combustion).
5. Push red test button located on the top right hand side of
printed circuit board (PCB) three times. This will force the
burner to the maximum gas rate.
6. Display window should display "PH" (Forced High)
7. Check high burner pressure on manometer, for
Natural Gas 0.98 kPa
and for
Propane Gas 2.15
kPa
.
8. If burner pressure requires adjustment, alter burner pressure by pressing the "UP" button on the
display panel to increase the gas pressure, or press the "DOWN" button on the control panel to
decrease the gas pressure.
9. Push the red test button on the PCB twice.
10. Burner will modulate down to a forced low pressure (Low setting mode. 'PL' will be indicated on
the display panel
11. Check low burner pressure on manometer, for
Natural Gas 0.26 kPa
and for
Propane Gas 0.56
kPa
.
12. If burner pressure requires adjustment, alter burner pressure by pressing the "UP" button on the
display panel to increase the gas pressure, or press the "DOWN" button on the control panel to
decrease the gas pressure.
13. After checking pressure, turn the heater OFF, remove manometer and replace test point screw.
14. Carefully check for gas escapes around the test point screw.
15. Re-assemble front panels.
16. It is the responsibility of the installer to check that under normal operating conditions of the
appliance, all flue gases are exhausted to the outside atmosphere and that there is no spillage of
combustion gases into the room. Please refer to AS/NZS 5601.
17. If you are unable to get the heater to work correctly, contact Rinnai or your agent. Check “ERROR
CODES” on page 13.
18. Explain the operation and features of this appliance to the customer.
19. Explain the requirement to have the secondary guard fitted at all times to minimise the risk of injury
from burns.
20. Also explain that a secondary guard is recommended for additional protection to the young or the
infirm.
21. Explain the requirement for regular cleaning of air filters and regular servicing by an authorised
person in accordance with these instructions.
240V inside heater, caution
must be taken to avoid the risk
of electrical shock.
The gas regulator is factory pre-set. Before
making any adjustments to the appliance
regulator, check the supply pressure.
Wait for 70 seconds before proceeding as this
will allow time for the combustion of the
appliance to stabilise.
CAUTION
IMPORTANT
B
A
C
B
A
C
IMPORTANT