Rinnai RHFE-308FTR Installation Manual page 16

INSTALLATION METHODS
22mm x 3
4
4. Slide the external wall plate over the outer pipe protruding through the exterior wall. Align the arrow symbol
to point downwards which will result in a 2° fall of the horizontal section of flue pipe towards the appliance as
required.
Once the external wall plate is in the correct position secure it to the wall using the three 22mm screws
!
into the holes provided.
The wall plate is then secured to the outer pipe of the flue protrusion using the two horizontal holes
!
and the two 7mm screws provided.
5. Cut the flue pipe end protruding through the exterior wall in accordance with "Cutting ~ ESDFK, ESPIPE900
& ESROOFCOWL" on page 21.
The joints between ESDFK and ESPIPE900 and any additional ESPIPE900 lengths MUST
be secured by a pop rivet or screw through the outer Co-Axial pipes to prevent accidental or
CAUTION
erroneous dislodgement. ESDFK and ESPIPE900 DO NOT require cutting to be joined.
6. Now prepare the vertical section of the flue system by assembling, connecting and securing ESBEND,
ESCONDK and subsequent ESPIPE900 lengths as required in accordance with the relevant sections under
"Component Assembly & Connection ~ ESBEND" on page 22, "Component Assembly & Connection ~
ESCONDK" on page 23 and "Component Assembly & Connection ~ ESROOFCOWL" on page 23.
ONLY use PVC cement between joints of the 'outer' PVC flue pipes to secure and seal these
joints against ingress of dust and water.
CAUTION
ONLY use non acidic silicone sealant between the joints of 'outer' PVC flue pipes and any
mating aluminium components (such as the condensate trap) to secure and seal these joints
against ingress of dust and water. Silicone containing acetic acid (vinegar) or other acids as the
curing agent may cause corrosion of aluminium components and MUST NOT be used.
Secure the vertical flue sections to the wall using the clips provided to prevent accidental
dislodgement.
7. If a vertical roof terminal is used cut in accordance with "Cutting ~ ESDFK, ESPIPE900 & ESROOFCOWL"
on page 21 and assemble and connect in accordance with "Component Assembly & Connection ~
ESROOFCOWL" on page 23.
If a horizontal terminal is used cut in accordance with "Cutting ~ ESDFK, ESPIPE900 & ESROOFCOWL" on
page 21 and assemble and connect in accordance with "Component Assembly & Connection "On-Wall"
Terminal ~ ESWTKIT2" on page 24.
8. Make the heater exhaust and combustion air hose connections in accordance with the section "Connecting
Heater Exhaust" on page 28.
Air hose and heater exhaust connections at the Energysaver heater MUST be made and checked
in accordance with these instructions. Improper connections may result in dangerous situations,
for example, the dispersion of combustion products in the space being heated.
CAUTION
9. Install the back cover kits and fasten the heater and back cover kit to the internal wall surface.
10. Commission the heater in accordance with the manufacturer instructions supplied with the heater.
Rinnai
Min' required protrusion 50mm
7mm x 2
5
16
6
ES_FIM