Installation manual
Rinnai Australia 18 Ultima II Installation Manual
INBUILT INSTALLATION, MASONRY FIRE PLACE
5. REMOVE GAS INLET UNION FROM HEATER
• The inlet union/elbow should be fitted to the end of
the copper supply tube before installing the heater
in the fireplace opening.
For access to union:
• Remove bottom louvre panel, 2 screws in the lower
right and left hand corners of louvres.
• Remove upper front panel, 2 screws at the bottom
right and left hand edges of the panel.
• Lift panel to disengage top and remove from heater.
• Do not lift the panel by the dress guard or top
louvres.
• Remove union.
• Ensure that removal and replacement of the bottom
panel is not obstructed by carpet etc.
6. GAS CONNECTION POSITION
• Drawing is viewed from rear of heater.
• Actual connection is on right hand side when
viewed from front.
• Dimensions are to the centre of the flare fitting on
the inlet elbow/union. Flare fitting suits 15 mm
copper tube.
7. RUN GAS SUPPLY
• Refer to AS/NZS 5601 or other approved pipe
sizing chart if in doubt about size of gas line.
• Copper supply should be run leaving a flare
connection the position shown.
• Connect the union/elbow fitting to the copper
supply with the union nut facing upwards.
• Purge supply of air and swarf.
• All foreign materials such as filings must be purged
from the gas supply, as they could cause the gas
valve to malfunction.
Don’t forget to put flare nut on tube before flaring.
Gas pipe sizing must consider the gas input to this appliance as well as all other
gas appliances in the premises. The gas meter and regulator must be specified for
the total gas rate. Suitable sizing chart such as the one in AS/NZS 5601 should be
used.
NOTE
IMPORTANT