rba RBA1882-100-Series Manual

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz 24
Trouble Shooting
Problem Probable Cause Solution
Water splashing out of WC
pan
Water supply issue
WC pan issue
WC pan ush volume
issue
Discuss with the WC pan
manufacturer
Discuss with the WC pan
manufacturer
Discuss with the WC pan
manufacturer
5.0 Maintenance
Spare Parts
RBA8012-999-003 T2 Controller
RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
RBA8010-999-003 Piezo (3m tail)
Note: This product should be installed, by suitably qualied persons, in a t for purpose application, to
suitable materials, using suitable xings and comply with any relevant codes. It should be inspected
periodically for signs of wear and tear that may affect performance or safety.
Dimensions are subject to manufacturer’s tolerance of +/-10mm. Rough-in should be completed with each
xture.
Important: Installation Instructions are subject to change without notice. Please visit www.rba.com.au for latest
revision.
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
RBA1882-100-Series ‘Nautilus’ WC Electronic Dual WC Flush Valve | Mains Pressure
RBA1882-100-001 Dual Flush Valve Incl Large Mounting Plate
RBA1882-100-002 Dual Flush Valve Incl Small Mounting Plate
RBA1882-100-003 Dual Flush Valve Incl Small White Mounting Plate
RBA1882-100-004 Dual Flush Valve Incl Indicator Rings, No Plate, Tile Fixed
RBA1882-100-005 Dual Flush Valve Incl Small Black Mounting Plate
RBA1882-100-007 Accessible Dual Flush Valve Incl Large Mounting Plate
Date
12/10/20
Model
'Nautilus' WC Electronic
Flush valve
Supercedes all previous
AS 1172.2
W/M-40239
Global-Mark.com.au Sourced/ Supplied under QMS
1

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
2
Table of Contents
1.0 Technical Requirements: Pg. 3
1.1 Hydraulic Requirements: Pg. 4
1.2 Electrical Requirements: Pg. 4
2.0 Components: Pg. 5
RBA1882-100-001 Pg. 5
RBA1882-100-002 Pg. 6
RBA1882-100-003 Pg. 7
RBA1882-100-005 Pg. 8
RBA1882-100-007 Pg. 9
RBA1882-100-008 Pg. 10
2.1 Installation of the Flush Valve Asseembly: Pg. 11
2.2 Installaing the controller Pg. 12
2.3 Setting the controller Pg. 13
3.0 Installation of the Flush Valve Pg. 14
RBA1882-100-001 Pg. 14-15
RBA1882-100-002 Pg. 16
RBA1882-100-003 Pg. 17
RBA1882-100-005 Pg. 17
RBA1882-100-008 Pg. 18
3.1 AS1428.1-2009 Installation: Pg. 19
4.0 Product Conguration Request: Pg. 20
5.0 Troubleshooting: Pg. 21- 24
6.0 Maintence: Pg. 24
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
Trouble Shooting
Problem Probable Cause Solution
Insufcient water
delivered to WC pan
Water supply pressure
issue
Incorrect water supply
pipe size
WC pan ush volume
issue
Check inlet water supply
pressure and that a
minimum of 250kPa and
a maximum of 500kPa is
available
Ensure that minimum
25mm water supply is
connected to the ush
valve
If multiple ush valves
are supplied off the
same service, refer to
the hydraulic design and
subsequent pipe sizing to
allow for probable
Ensure the WELS rating of
the WC pan is comparable
to the WELS rating of the
ush valve
Incorrect timing setting of
ush valve Master-Trol at
stated inlet pressure
23

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
22
Trouble Shooting
Problem Probable Cause Solution
Flush pattern not covering
the internal section of the
WC pan
Water supply pressure
issue
Incorrect water supply
pipe size
WC pan ush volume
issue
Check inlet water supply
pressure and that a
minimum of 250kPa and
a maximum of 500kPa is
available
Ensure that a minimum
25mm water supply is
connected to the ush
valve
If multiple ush valves
are supplied off the
same service, refer to
the hydraulic design and
subsequent pipe sizing
to allow for probable
simultaneous demand
Ensure the WELS rating of
the WC pan is comparable
to the WELS rating of the
ush valve
Incorrect timing setting of
ush valve at stated inlet
pressure
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz 3
1.0 Technical Requirements:
Installation must be undertaken in accordance with the PCA (Plumbing Code of
Australia) and AS/NZS3500.2, especially concerning probable simultaneous demand
and correct hydraulic water supply sizing where more than one ushing device is
serviced from that water supply. This product is factory set to the identied site
conditions to comply with WELS 3 Star 6/3 ush volume as the default.
• Minimum 25mm Cu or equivalent water supply line size.
• Minimum supply pressure of 300kPa. Note: This valve is pre-set to deliver ush
volumes of 6/3 L corresponding at 300 kPa. A product conguration sheet is
available for site specic setting
• 40mm ush pipe must be used. A 40mm loose nut and liner to suit PVC
is supplied with each assembly. Flush pipe is not supplied as a part of this
assembly.
• It is recommended that 2 x 45° bends may be installed in lieu of the 90° bend. For
different congurations consult with RBA Group for ush performance compatibility.
• The Pipe Interrupter (Vacuum Breaker) must be installed in the vertical position.
• Threaded brass to brass joints on this assembly have been made with Locseal.
• Water temperature range: 5 C - 35 C

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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4
1.1 Hydraulic Requirements
Inlet Connection: DN 25mm min.
Outlet Connection: DN 40 to suit DWV
Water Supply Pressure: 300kPa min – 500kPa max.
Flush Pipe: DN40 (Supplied by others)
Flush Volume: WELS 3 Star 6/3L or 4 Star 4.5/3L
Electrical: 24V AC
Flow Rate: 1.4 LPS
1.2 Electrical Requirements
Solenoid Cable: 2M x 32/0.20ELCF2810 1.00mm2
Piezo Button: Stainless Steel, 3m Cable
Transformer: 240VAC/24VAC, 2 AMP incl. 2M cable
Controller: 85mm [W] x 65mm [H] x 33mm [D]
Mains power Supply: By Others
Warranty: 1 year
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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4.0 Trouble Shooting
Problem Probable Cause Solution
Piezo button pressed – no
water ow
Loose connection on leads
connected to Master-Trol
Piezo switch not working
Filter blocked
Water supply pressure
issue
Reconnect lead
connections
Replace Piezo switch
Replace Piezo switch
Remove debris from ball
Remove debris from ball
valve lter
valve lter
C
Check that water is
available to the inlet of
the ush valve
Check inlet water supply
pressure and that a
minimum of 250kPa and
a maximum of 500kPa is
available
Water continues to run
from the ush valve
Solenoid seat possibly
fouled by debris or scale
Filter blocked
Water supply pressure
issue
Isolate the water supply
and remove the solenoid
valve. Take out the
plunger and spring
assembly and clean them
using a soft brush. Use
scale remover if required.
Reassemble components
ensuring the spring is in
the vertical position and
reinstall the solenoid
Remove debris from ball
valve lter
Check inlet water supply
pressure and that a
minimum of 250kPa and
a maximum of 500kPa is
available
21

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
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Has the product conguration sheet been submitted, if required?
Product Conguration Request:
Note: Default factory setting for the RBA1882-100 Series is as WELS 3 Star 6/3
ush volume at 300kPa inlet pressure. This product may be congured to suit water
supply pressures from 250 – 500kPa and WELS Star ratings of 3 Star and 4 Star to
suit comparable Watermark and WELS rated WC pans.
Please complete the following details for custom conguration of the
RBA1882-100 to suit site conditions and WC pan ush volume choice:
Customer Name: ………………………………………………………………………………
Customer Number: …………………………………………………………………………….
Delivery Address:
……………………………………………………………………………….
Project Name or Site Address of Installation:
……………………………………………………………………………..
…………………………………………………………………………………………………
Quantity of RBA1882-100 Required: ………………………………………………..
Water Supply Inlet Pressure on site: ………………………………………………….
WELS Rating Required to match WC pans: …………………………………………
I request that the RBA1882-100’s are congured for this project and to suit the site
information as stated above.
Name: ………………………………………………………………………………………
Email: ………………………………………………………………………………………
Mobile: ……………………………………………………………………………………
Signature
20
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SYDNEY |MELBOURNE | BRISBANE | PERTH | AUCKLAND
Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
2.0 Components
RBA1882-100-001 Dual Flush Valve Incl Large Mounting Plate
5
1x RBA1882-100 'Nautilus' Flush Valve Assembly
1x RBA8012-999-003 T2 Controller [2019 version]
1x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
2x RBA8010-999-003 Piezo (3m tail)
1x RBA1880-999-001 Large Flush Valve Plate
1 x RBA1880-999-002 Recess Kit for Large Flush Valve Plate
6 x RBA1880-999-011 Counter Sink Screws (90° angle m4x25 (0.7) Pitch
Post Torx, Bit Tx15 H:3.1

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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6
RBA1882-100-002 Dual Flush Valve Incl Small Mounting Plate
1x RBA1882-100 'Nautilus' Flush Valve Assembly
1x RBA8012-999-003 T2 Controller [2019 version]
1x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
2x RBA8010-999-003 Piezo (3m tail)
1x RBA1880-999-001 Large Flush Valve Plate
1 x RBA1880-999-002 Recess Kit for Large Flush Valve Plate
6 x RBA1880-999-011 Counter Sink Screws (90° angle m4x25 (0.7) Pitch
Post Torx, Bit Tx15 H:3.1
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
3.1 AS1428.1-2009 Installation
RBA1882-100-007
• Fit the ush valve in the required position maintaining a minimum 700mm
distance between the outlet of the vacuum breaker and the centre line of the ush
pipe connected to the WC pan inlet.
• Remove face plate from mounting bracket.
• Install mounting bracket into noggins. Ensure xing height allows direct access
to Flush Valve as shown in 4.1.1 above.
• Piezo buttons have been connected.
• Make electrical connections: Connect Full Flush piezo to Sensor A. Connect Half
Flush piezo to Sensor B. Connect Solenoid valve to Valve B. Connect the Power
Pack to Power 24V AC. Settings have been made in house to deliver 6/3L ush
volume.
• Secure plate to mounting bracket using screws provided.
425
275
60
980
600
1100 MAX.
C
L
500 MAX.
ALTERNATIVE
POSITION ON
CENTRE-LINE BACK WALL
ZONE POSITION
OF FLUSHING
CONTROL
1040
SIDE WALL
FFL
40mm FLUSH PIPE
(BY OTHERS)
MIN. 600
800
TYP. 390 - 410
600
1100 MAX.
C
L
300 MAX. 300 MAX.
SIDE WALL
ZONE POSITION
OF FLUSHING
CONTROL
335
73
Rough Wall Opening for plate:
19

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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RBA1882-100-008 Installation
Rough Wall Opening for button assembly: 23mm Dia
Note: When mounting ush valve assembly in the ceiling or restricted space, vacuum
breaker must be installed in the vertical plane and consult RBA or a qualied
hydraulic consultant for advice.
• Assemble Piezo button and Flush ring escutcheon on to Piezo. Ensure all
components are securely fastened.
• Pull Piezo cable through conduit from the bottom to the ceiling pace where
controller is to be mounted.
• Mount Piezo/Indicator ring assembly on the wall with silicone.
FFL
335Min. 700
184
FFL
40mm
FLUSH PIPE (Supplied by others)
23mmø PENETRATION
FOR PIEZO BUTTON
73
Min. 700 335
18
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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RBA1882-100-003 Dual Flush Valve Incl Small White Mounting Plate
1x RBA1882-100 'Nautilus' Flush Valve Assembly
1x RBA8012-999-003 T2 Controller [2019 version]
1x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
1 x RBA1880-999-005 Small White Acrylic Flush Valve Plate
2 x RBA8010-999-003 SS Piezo no etchings to chamfer
1x RBA7125-999-010 Figure 8 Security Cable 0.75mm2

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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8
RBA1882-100-005 Dual Flush Valve Incl Small Black Mounting Plate
1x RBA1882-100 'Nautilus' Flush Valve Assembly
1x RBA8012-999-003 T2 Controller [2019 version]
1x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
2x RBA8010-999-003 Piezo (3m tail)
1x RBA1880-999-001 Large Flush Valve Plate
1 x RBA1880-999-002 Recess Kit for Large Flush Valve Plate
6 x RBA1880-999-011 Counter Sink Screws (90° angle m4x25 (0.7) Pitch
Post Torx, Bit Tx15 H:3.1
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz
RBA1882-100-003 & -005 Installation
Rough Wall Opening for plate: 85mm W x 38mm H x 25mm D
Note: When mounting ush valve assembly in the ceiling or restricted space, vacuum
breaker must be installed in the vertical plane and consult RBA or a qualied
hydraulic consultant for advice.
• Fit the ush valve in the required position maintaining a minimum 700mm
distance between the outlet of the vacuum breaker and the centre line of the
ush pipe connected to the WC pan inlet.
• Assemble Piezo buttons on to mounting plate. Ensure all components are se-
curely fastened.
• Mount Piezo plate on the wall with silicone.
FFL
Min. 700 335
FFL
40mm
FLUSH PIPE
Min. 700 335
73
17

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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16
FFL
Min. 700 335
FFL
40mm
FLUSH PIPE
Min. 700 335
RBA1882-100-002 Installation
Rough Wall Opening for plate: 115mm W x 60mm H x 45mm D
Note: When mounting ush valve assembly in the ceiling or restricted space, vacuum
breaker must be installed in the vertical plane and consult RBA or a qualied hy-
draulic consultant for advice.
• Fit the ush valve in the required position maintaining a minimum 700mm
distance between the outlet of the vacuum breaker and the centre line of the
ush pipe connected to the WC pan inlet.
• Install mounting bracket into noggins.
• Fit piezo buttons to face plate and connect ½ ush lead to point 1 and full
ush lead to point #2.
• Secure plate to mounting bracket using screws provided.
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RBA1882-100-007 Accessible Dual Flush Valve Incl Large
Mounting Plate
1x RBA1883-100 'Nautilus' Flush Valve Assembly
1x RBA8012-999-003 T2 Controller [2019 version]
1x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
1 x RBA1880-99-025 Large SS Flush Valve Plate & Recess Kit to
AS1428.1
1 x RBA8010-999-10 Stainless Steel Piezo WC Full Flush with Large
Chamfer
1 x RBA8010-999-11 Stainless Steel Piezo WC Half Flush with Large
Chamfer
1 x RBA7125-999-010 Figure 8 Security Cable 0.75mm2, 3 meters

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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10
RBA1882-100-008 Nautilus Electronic Piezo Touch Activated Mains Pressure
Dual Flush Valve for WC’s, Incl Flush Indicator Rings, No
Plate
1 x RBA1882-100 'Nautilus' Flush Valve Assembly
1 x RBA8012-999-003 T2 Controller [2019 version] Programmed to suit Nautilus
RBA1882-100
1 x RBA8010-999-005 24V AC 2AMP Plug Pack Transformer
1 x RBA8012-999-002 Set Half/Full Flush Indicator Rings Kit
1 x RBA8010-999-003 SS Piezo no etchings no chamfer
1 x RBA7125-999-010 Figure 8 Security Cable 0.75mm2
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
• Fit the ush valve in the required position maintaining a minimum 700mm
distance between the outlet of the vacuum breaker and the centre line of the ush
pipe connected to the WC pan inlet.
• Remove face plate from mounting bracket.
• Install mounting bracket into noggins. Ensure xing height allows direct access
to Flush Valve as shown in 4.1.1 above.
• Piezo buttons have been connected.
• Make electrical connections: Connect Full Flush piezo to Sensor A. Connect Half
Flush piezo to Sensor B. Connect Solenoid valve to Valve B. Connect the Power
Pack to Power 24V AC. Settings have been made in house to deliver 6/3L ush
volume.
• Secure plate to mounting bracket using screws provided.
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Australia 1300 788 778 www.rba.com.au | New Zealand 0800 722 111 www.rbagroup.co.nz 15