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Rinnai 13

Ducted Gas Heater IM

3. HEATER DIMENSIONS AND CLEARANCES

3.1 CLASSIC BX3C MODEL GUIDELINES

Install the heater in a position that allows adequate and safe access for service as per guidelines in this manual

and applicable standards. The cost of any equipment and additional labour involved in accessing such heater

installations will not be accepted by the manufacturer.

Diagram 1.

Dimension [mm]

BX315C

BX320C

BX326C

A

985

985

1120

B

852

852

1028

C

616

616

706

D

370

370

415

E

772

772

952

F

342

342

388

G

36

36

42

H

426

426

588

I

162

162

244

J

126

126

126

K

392

392

558

Base Box

Std

Std

XA

Std

XA

øSa

300

300

350

350

400

øRa

300

300

350

350

400

H

I

J

G

F

K

B

C

A

E

D

FLUE TERMINAL

GAS INLET

HEATER

END

øSa

øRa

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Summary of Contents for 2PWN Series

Page 1: ...Classic Ducted Gas Heater Installation Manual Models BX3C 2PWN ...

Page 2: ... 4254 HB 276 2004 Local Regulations and Municipal Building Codes including local OH S requirements This appliance must be installed maintained and removed only by an Authorised Person For continued safety of this appliance it must be installed and maintained in accordance with the manufacturer s instructions All Rinnai gas products sold in Australia are A G A certified ...

Page 3: ...2 8 Installation of External Heaters 10 2 9 Installation of Internal Heaters 11 2 10 Installation of Internal Heaters in a room enclosure residential garage or plant room 11 3 Heater Dimensions and Clearances 13 3 1 Classic BX3C Model Guidelines 13 3 2 Service Clearances 14 3 3 Flue Terminal Clearances 14 3 4 Orientation of Flue Terminal 15 3 5 Area to Cut in the Wall 16 3 6 Installation of Flashi...

Page 4: ...ermostat Add On Fan Only 26 9 Commissioning and Control Settings 27 9 1 Commissioning Instructions 27 9 2 Start Check Supply Pressure 27 9 3 Start Check Burner Pressure 27 9 4 Setting the Fan Speed 28 9 5 Final Checks 28 10 Bracket Positioning 29 10 1 Temperature limit positioning applicable to BX315C BX320C only 29 11 Technical Specifications 30 12 Contacts 32 ...

Page 5: ...lectricity Authorities SuperSizeGuide Building Code of Australia BCA including local OH S requirements Environment Authorities This appliance must be installed maintained and removed by an Authorised Person For continued safety of this appliance it must be installed and maintained in accordance with the manufacturers instructions This appliance is heavy use 2 people or mechanical lifting device Im...

Page 6: ...rranty purposes appliances that may be damaged or incorrect must not be installed or operated under any circumstances Installation of damaged or incorrect appliances may contravene local government regulations Rinnai disclaims any liability or responsibility whatsoever in relation to the installation or operation of damaged or incorrect appliances NOTE The manufacturer cannot guarantee compatibili...

Page 7: ...r Ratings which are accompanied by higher airflows Higher efficiency heaters with modulating gas valves also operate differently to non modulating units When doing a direct unit change over Do a comprehensive inspection of the entire existing system to ensure it is fit for purpose with the new heater Check existing items that are not being replaced i e ensure the soundness and suitability of all f...

Page 8: ... guide must be read in conjunction with and subject to all laws regulations and industry standards applicable in the State or Territory in which the products are installed You must ensure that the installation of the products will comply with those laws regulations and standards and that the products recommended to customers are fit for the purpose for which they are intended ...

Page 9: ...e upgrading of main burner injectors Please contact the Customer Service Centre for advice It is recommended the Product Sizing Guide is followed in estimating heating requirements and for system design that will result in efficient installation and provide a higher level of comfort and economical operation For the hourly input and the gas type to be used refer to the appliance data label located ...

Page 10: ... the manufacturer its service agents or an electrically qualified technician in order to avoid a hazard The electricity supply must be 220 240V at 50Hz and supplied by an authorised power supplier Generators should never be used to supply this system as their output may be incompatible with or prone to damage electronic components of the heater 2 6 INSTALLATION OF DUCT CONNECTION POPS The supply a...

Page 11: ...nimum clearance of 1 2m between the lowest part of the floor structure and ground level maintained from the access opening to the heater All under floor installations must be on a level concrete base 50mm thick and provision made to drain any seepage or ground water away from the heater Permanent artificial lighting must be provided at the heater with the switch located at the access opening Later...

Page 12: ...nted to outside or into a roof space vented to outside Installation of a gas appliance in a room or enclosure for properties approved for construction AFTER March 31st 2014 a Determine if the rating per cubic metre of the space is greater than 0 4 MJ hr per m Example Unit rating Ur 120MJ hr Room volume Rv 1m x 1m x 2 4m 2 4m3 Ur Rv 120 2 4 50 MJ hr per m3 As the result is greater than 0 4 MJ hr pe...

Page 13: ...equipment and additional labour involved in accessing such heater installations will not be accepted by the manufacturer Diagram 1 Dimension mm BX315C BX320C BX326C A 985 985 1120 B 852 852 1028 C 616 616 706 D 370 370 415 E 772 772 952 F 342 342 388 G 36 36 42 H 426 426 588 I 162 162 244 J 126 126 126 K 392 392 558 Base Box Std Std XA Std XA øSa 300 300 350 350 400 øRa 300 300 350 350 400 H I J G...

Page 14: ...ally from an openable window door non mechanical air inlet or any other opening into a building except sub floor ventilation 500mm From an electricity meter or fuse box prohibited area extends to ground level 1000mm Vertically below an openable window non mechanical air inlet or any other opening into a building except sub floor ventilation From a mechanical air inlet including a spa blower measur...

Page 15: ... heater as shown in Diagram 2 The flue terminal must be orientated correctly to ensure flue gases are expelled away from the building wall as shown Diagram 2 NOTE Open area of flue terminal MUST be discharging away from building FLASHING WALL LEVEL CONCRETE OPEN AREA OF FLUE TERMINAL BASE GROUND HEATER DIMENSIONS AND CLEARANCES ...

Page 16: ... suit the total pop width and height all the way to ground level refer Diagram 3 Diagram 3 NOTE Refer to the Base Box for required wall cut out dimensions 3 6 INSTALLATION OF FLASHING Flashing must be fitted to ensure the ductwork is adequately weather protected WALL CUT OUT AREA CONCRETE BASE GROUND HEATER DIMENSIONS AND CLEARANCES ...

Page 17: ... øSa 2PW15N 704 1147 412 723 115 160 385 491 200 269 747 791 1187 125 300 300 2PW20N 704 1147 412 723 115 160 385 491 200 269 747 791 1187 125 300 300 2PW20N XA 704 1147 412 723 115 160 385 491 200 269 747 791 1187 125 350 350 H A B C D J K G L E F øN I øRa øSa M Overheat Switch Flue Terminal Gas Inlet HEATER DIMENSIONS AND CLEARANCES ...

Page 18: ...ons Model Dimension mm A B C D E F G H I J K L M øN øRa øSa 2PW26N 704 1226 538 722 113 160 445 572 263 269 813 791 1266 125 350 350 2PW26N XA 704 1226 538 722 113 160 445 572 263 269 813 791 1266 125 400 400 øRa øSa C A B D E F G H I J L K øN M Overheat Switch Flue Terminal Gas Inlet HEATER DIMENSIONS AND CLEARANCES ...

Page 19: ...top of the fan cabinet compartment by removing the two screws Disconnect the fan motor loom active and neutral from the terminal block located inside the recess Remove the fan motor loom earth terminal secured to the fan motor cabinet inside the recess Remove the four screws two screws on each side of the heater fastening the fan cabinet to the heat exchanger cabinet The heater can now be split in...

Page 20: ...osive metal flue and shall be terminated with an approved 125mm round metal flue cowl All flues must have a bolted flue sleeve connection to allow for repairs and or removal of the appliance Twin wall flue maximum flue length of 6m Single wall flue maximum flue length of 2m Up to 4 x 90 elbows are permitted with the same length requirements specified above One x 45 bend is equivalent to 0 5 x 90 b...

Page 21: ...m 7 Diagram 7 4 Way Terminal Block Location To adjust the fan speed setting ensure the power supply to the unit is OFF at the fixed switched socket outlet adjacent to the heater Access controls and change as required For High fan speed do not adjust For Medium fan speed move terminal from HIGH to MED For Low fan speed move terminal from HIGH to LOW Turn the power back on once complete 2PWN Beneath...

Page 22: ...r may result in reduced performance NOTE It is important that the ducting should be well insulated It is mandatory under building codes to install insulated fire rated duct 6 2 RETURN AIR GRILLE If a filter is fitted to the return air grille make sure it is easily accessible for regular cleaning Table 4 gives the minimum recommended return air grille sizes for each model heater Table 4 Minimum Rec...

Page 23: ...imum ceiling outlet figures relate to fully open outlets However the system will operate efficiently with more outlets open if it has been properly balanced The outlet table has been divided into two columns as follows Table 5 Outlet table Model Airflow Rate l s A Maximum Outlets B Minimum Outlets A The maximum number of outlets that should remain fully open for a ceiling outlet system B The minim...

Page 24: ... dead spots Keep it away from areas of less than normal air circulation e g behind doors in alcoves or corners Interference from other electrical connections Ensure the Thermostat and wiring is kept away from other electrical data and antenna cables This includes keeping the Thermostat s wiring away from the spark igniter loom within the heater s cabinet Use the right cables Ensure the cable is 0 ...

Page 25: ...at Connection Diagram 9 2PWN Thermostat Connection W R Terminal Block W R T STAT Field Supplied Twin core Figure 8 0 75mm2 Cable 2PWN Illustrated THERMOSTAT INSTALLATION W R Terminal Block Grommet W R T STAT Field Supplied Twin core Figure 8 0 75mm2 Cable ...

Page 26: ... a BX3C or 2PWN unit for Fan Only operation refer to Diagram 10 and omit the Y connection For more information regarding connection of the Add On relay refer to the installation instructions supplied with ACC LOOM ADD ON RELAY CLASSIC Brivis Part No B063283 Diagram 10 BX3C 2PWN Brivis Ice Add On Schematic Typical NOTE For Brivis ICE Add On connection to a Brivis Classic heater CC3 2PWN or BX3C an ...

Page 27: ... ensuring the gas supply pressure does not fall to below 1 1kPa while other gas appliances are operating at their full capacity 10 If the reading is below 1 1kPa then the incoming gas supply is inadequate check supply pipe for blockage and check pipe sizing and gas meter sizing 11 Turn the unit OFF at the thermostat isolate the gas and the 240 Volt power supply adjacent to the unit 12 Remove and r...

Page 28: ... in operation 2 The burner pressure is as indicated on the appliance data label 3 The temperature of the warm air at any outlet is not more than 45º C above the return air temperature 4 The fan continues to run while the burners are operating Once Confirmed Turn the heater OFF at the thermostat Ensure that the burners and fan turn OFF then turn OFF the gas supply at the supply tap and remove the m...

Page 29: ...on purposes Please ensure the bracket is positioned as illustrated in Diagram 11 during installation commissioning Make sure that the overheat bracket is not bent past the angle stopper Diagram 11 Temperature limit sensor bracket position IMPORTANT Failure to comply may result in abnormal heater operations Bend overheat bracket down during installation 107 0 Do not bend overheat bracket past the a...

Page 30: ...m 87 20 300 0 22 0 32 581 561 541 521 49 425 2 5 4 n a BX320C 350mm 87 20 350 0 24 0 35 622 598 574 553 49 425 2 5 4 10 BX326C 350mm 120 28 350 0 32 0 46 896 873 849 819 72 600 6 6 5 13 BX326C 400mm 120 28 400 0 35 0 51 1012 985 957 921 72 600 6 6 5 15 2PWN Models 2PW15N 67 15 5 300 0 17 0 25 452 430 412 386 51 5 250 1 8 4 n a 2PW20N 92 21 300 0 20 0 29 527 511 487 460 54 6 315 2 5 4 n a 2PW20N XA...

Page 31: ...Rinnai 31 Ducted Gas Heater IM NOTES ...

Page 32: ...call higher from mobile or public phones For further information 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 appliance If your appliance requires service please call our National Help Line Rinnai recommends that this appliance be serviced every 2 years W...

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