Rinnai ENERGYSAVER RHFE-308FTR, Installation Manual, Page: 18 / 32

Rinnai 18 ES_FIM
5. Attach ESDFK to the flue outlet pipe from the rear of the heater. Align the flue in an almost horizontal manner
in the desired direction of discharge (either left of right) with a 2° fall towards the flue terminal.
CAUTION
Ensure the flue components are positioned to have a minimum 25mm clearance from any
sensor wires at the rear of the heater.
6. Attach the appropriate side spacer panel from the back cover kit (ESBSK ~ A, B, C, D, E, F, G or H) to the rear
of the heater in accordance with the assembly Instructions supplied with the back cover kit.
7. Mark the location of the flue penetration through the side spacer panel.
8. Remove the side cover panel and cut or knock out an 85mm Ø hole for the flue pipe to pass through. Ensure
the hole edges are smooth.
9. Fit the protective plastic edge supplied with the back cover kit around the circumference of the hole in the
side spacer panel.
10. Fit a length of ESPIPE900 to ESDFK in accordance with "Component Assembly & Connection ~
ESROOFCOWL" on page 23.
CAUTION
The joint between ESDFK and ESPIPE900 MUST be secured by a pop rivet or screw through
the outer Co-Axial pipes and flue pipes are to be clipped to the wall using the stand off clips
supplied or other suitable method. ESDFK and ESPIPE900 DO NOT require cutting to be joined.
11. Re-attach the side spacer panel to the heater with the flue pipe passing through it.
12. Locate the heater in the desired position relative to the wall. DO NOT secure the heater at this stage.
13. Fit additional lengths of ESPIPE900 as required.
CAUTION
The joints between ESPIPE900 lengths MUST be secured by a pop rivet or screw through the
outer Co-Axial pipes and flue pipes are to be clipped to the wall using the stand off clips supplied
or other suitable method. ESDFK and ESPIPE900 DO NOT require cutting to be joined.
14. Create the wall penetration(s) in accordance with the section “WALL PENETRATIONS” refer to page 8.
The minimum diameter required for wall the penetration for ESPIPE900 is 80mm.
Allow for a continuous 2° fall from the heater connection point from to the wall penetration.
15. Slide the internal wall plate supplied with ESDFK over the length of ESPIPE900 penetrating the wall at the
internal wall end. Then pass the assembly through the internal wall penetration.
16. Fasten the internal wall plate to the internal wall.
17. Create the wall terminal in accordance with "Component Assembly & Connection ~ ESROOFCOWL" on
page 23. Make the heater exhaust and combustion air hose connections in accordance with the section
"Connecting Heater Exhaust" on page 28.
CAUTION
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.
18. Install the remaining parts of the back cover kit and fasten the heater and back cover kit to the internal wall
surface.
19. Commission the heater in accordance with the manufacturer instructions supplied with the heater.
14
Internal wall plate
16
Interio
r wall
15
Interio
r wall
Interio
r wall
INSTALLATION METHODS