Rinnai RHFE-308FTR Installation Manual page 18

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Floor Penetration
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6
6. Mark the location of the flue floor penetration, then
the hole edges are smooth.
7. Disconnect ESDFK form the heater. Pass ESDFK through both a stand off clip and the internal wall plate, then
pass the assembly through the floor penetration.
8. Secure ESDFK to the wall with a the stand off clip and fasten the internal wall plate in place to the floor.
9. Prepare the horizontal section of the flue system located under floor by assembling connecting and securing
ESPIPE900, ESBEND and subsequent ESPIPE900 lengths as required in accordance with the relevant
sections under "COMPONENT ASSEMBLY & CONNECTION ~ ESBEND" refer to page 20 and
"COMPONENT ASSEMBLY & CONNECTION ~ ESPIPE900" refer to page 19.
Joints between ESDFK, and ESPIPE900 MUST be secured by a pop rivet or screw through the
outer Co-Axial pipes to prevent accidental or erroneous dislodgement. Pipes are to be clipped
CAUTION using the stand off clips supplied or other suitable method. ESDFK and ESPIPE900 DO NOT
require cutting to be joined.
10. Locate the heater in the desired position relative to the wall. DO NOT secure the heater at this stage.
11. If required create a wall penetration(s) in accordance with the section "WALL PENETRATIONS" refer to page 8.
Of special relevance to under floor installations is the requirement to have a minimum of 300mm
clearance between the flue terminal and the finished ground level. It is NOT permissible to
CAUTION
excavate a hole to obtain the required 300mm clearance, unless there is sufficient drainage
provision.
The minimum diameter required for wall the penetration for ESPIPE900 is 80mm.
Allow for a continuous 2° fall from the heater connection point to the wall penetration.
12. Create the wall terminal in accordance with "ASSEMBLING WALL TERMINAL ~ ESDFK & ESPIPE900" refer
to page 20.
13. Make the heater exhaust and combustion air hose connections in accordance with the section "CONNECTING
HEATER EXHAUST & AIR SUPPLY" refer to page 25.
Air hose and heater exhaust connections at the heater MUST be made and checked in
accordance with these instructions. Improper connections may result in dangerous situations,
CAUTION
for example, the dispersion of combustion products in the space being heated.
14. Install the remaining parts of the back cover kit and fasten the heater and back cover kit to the internal wall
surface.
15. Commission the heater in accordance with the manufacturer instructions supplied with the heater.
Rinnai Australia
FLUE COMPONENT ASSEMBLY
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Stand off clip
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Internal wall plate Internal wall plate
cut an 100mm Ø hole through the floor. Ensure
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ES Flue Installation Manual
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