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Rinnai 

10

 HW_CF_FFPP_FIM

COMBINED VERTICAL & HORIZONTAL FLUE

The Combined Vertical & Horizontal Flue option (Fig. 14, page 7) allows the water heater to be installed virtually 

anywhere using a wall (FFPPWALLKIT) or roof (FFPPROOFCOWL) terminal. Extension pieces (FFPPPIPE1000, 

FFPPBEND90 and FFPPBEND45) can be mounted horizontally or vertically as required.

Installation Method

IMPORTANT

Refer to "Flue Length, Bends & Appliance Settings" on page 6 for flue run length limitations.
All horizontal flue is to be installed with a 3° fall towards the water heater.

1.  Using a combination of the installation procedures covered in the “EXTENDED HORIZONTAL FLUE” on 

page  6  and  "Vertical  Flue"  on  page  9,  determine  and  install  the  required  components.  Note  that  PVC 

joints 

MUST

 be secured with the three (3) self tapping screws supplied with the component, refer to Fig. 13 

on page 9.

CONDENSATE DRAIN

The Rinnai range of condensing water heaters generate condensate continuously at a rate of up to 5 litres per hour 

as a by-product of highly efficient gas burner system. This condensate must be drained via a pipe to a suitable 

point of discharge (Fig. 15). Because the condensate is a by-product of gas combustion it is mildly acidic.
For this reason copper tube and fittings 

MUST NOT

 be used as it will corrode. Instead, Rinnai recommend 

plastic pipes and fittings such as Unplasticised Polyvinyl Chloride (UPVC) or Polyethylene (PE) which is commonly 

used for irrigation piping.

Important Considerations For Condensate Drain Pipe

NOTE

The content of AS/NZS 3500 ‘Temperature / Pressure Relief and Expansion Control Valve Drain 

Lines’ has been used as a guide in preparing these considerations.

Water  heater  drain  outlet  connection,  R½”  (15  mm)  BSP  male.  Condensate  drain  outlet  connection,  1/2” 

(15mm) BSP male nylon (Note: the black plastic shipping cap 

MUST

 be removed from the condensate drain 

outlet prior to water heater operation).
PE R½” BSP (15 mm) female to barbed irrigation system connector (13 – 19mm) or equivalent plastic fitting.
Drain pipe and fittings to match item 

B

.

Continuous fall (of at least 2°) from water heater to discharge point. Lengths and bends in accordance with 

‘Length & Changes Of Direction’ table below.
Suitable points of discharge are deemed to be drains, sewers or pits. 

DO NOT

 discharge onto electrical 

connections, earth stakes, copper pipes, concrete paths or into a pond.

Length & Changes Of Direction

Maximum length and changes of direction greater than 

45° for the drainage pipe to be in accordance with that 

described in the Table 2.

D

B

A

C

E

A

Remove cap from condensate drain outlet

NOTE

Condensate drain applies to 

both internal and external 

models, the external model 

is shown in this illustration.

Fig. 15

A

B

C

D

E

Table 2.

 Drainage lengths & changes of direction

Max length (Metres)

9

8

7

6

Max changes of direction >45°

3

4

5

6

INSTALLATION METHODS

Summary of Contents for HD210i

Page 1: ...uit Rinnai Water Heater Models HD210i REU N3237FFC AK The flue components described within these instructions are ONLY suitable for use with the model s that is listed above They are NOT suitable nor...

Page 2: ...This appliance must be installed in accordance with Manufacturer s Installation Instructions Current AS NZS 3000 AS NZS 3500 AS NZS 5601 Plumbing Code of Australia PCA Local Regulations and Municipal...

Page 3: ...ns 6 UV Roof Protectors 6 Installation methods 7 FFPP Flueing Options 7 Direct Horizontal Flue 8 Extended Horizontal Flue 8 Vertical Flue 9 Combined Vertical Horizontal Flue 10 Condensate Drain 10 Imp...

Page 4: ...m to local regulations All dimensions referred to in these instructions are in millimetres unless otherwise specified These instructions ONLY apply to the Rinnai FFPP water heater coaxial flueing syst...

Page 5: ...ght The ONLY COMPONENTS that can be cut are as follows FFPPWALLKIT pipe not bend FFPPPIPE1000 FFPPROOFCOWL and UVROOF PROTECTORS Ensure all ends are cut square the use of a mitre box will ensure a cle...

Page 6: ...he relevant spacing and clearance dimensions for both vertical and horizontal multiple terminal installations Multiple Roof Terminal Installations The minimum horizontal separation between terminal ce...

Page 7: ...same as Direct Horizontal flueing with additional pipe required due to the longer horizontal distance Refer Extended Horizontal Flue on page 8 for details of this installation method C Vertical Flue I...

Page 8: ...as required Fit the internal wall seal to the terminal pipe 6 Connect the terminal pipe to starter bend ensuring components are pushed fully home Secure the PVC joints of bend to the terminal pipe wit...

Page 9: ...cut to size as required see Fig 1 in section Cutting The Flue Components on page 5 5 Install decktite roof seal Not supplied 6 Ensure the flue is fully supported independently of the appliance by the...

Page 10: ...pipes and fittings such as Unplasticised Polyvinyl Chloride UPVC or Polyethylene PE which is commonly used for irrigation piping Important Considerations For Condensate Drain Pipe NOTE The content of...

Page 11: ...ers may be joined together provided they conform with the requirements of the Installation Method on page 11 Common Stack Discharge Where individual water heaters are installed in a multi storey build...

Page 12: ...URE 6 2 in part LOCATION OF FLUE TERMINALS OF BALANCED FLUE ROOM SEALED FAN ASSISTED OR OUTDOOR APPLIANCES n j Horizontally from an openable window door non mechanical air inlet or any other opening i...

Page 13: ...FPPROOFCOWL Includes Vertical Terminal Pipe UV Adaptor x1 UV Protector x2 Pipe Clip Wall Bracket x1 Installation Instruction FFPPBEND90 Includes 90 Bend FFPPWALLKIT Includes Starter Bend FFPPBEND90 Ho...

Page 14: ...Rinnai 14 HW_CF_FFPP_FIM NOTES...

Page 15: ...Rinnai 15 HW_CF_FFPP_FIM NOTES...

Page 16: ...nformation visit www rinnai com au or email enquiry rinnai com au Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai...

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